CN212402421U - Bidirectional transportation, screening, crushing and transshipment system for crossheading - Google Patents
Bidirectional transportation, screening, crushing and transshipment system for crossheading Download PDFInfo
- Publication number
- CN212402421U CN212402421U CN202020866537.7U CN202020866537U CN212402421U CN 212402421 U CN212402421 U CN 212402421U CN 202020866537 U CN202020866537 U CN 202020866537U CN 212402421 U CN212402421 U CN 212402421U
- Authority
- CN
- China
- Prior art keywords
- screening
- crushing
- plate
- bottom plate
- chain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
A bidirectional transportation, screening, crushing and transshipping system for a crossheading relates to the technical field of transshipping machines and comprises a crushing device, a screening device and a bidirectional transportation device, wherein the crushing device and the screening device are arranged on a landing section and are connected with each other; the screening device is a screening groove and comprises a screening middle plate and a screening bottom plate, the screening middle plate is positioned at the upper part of the screening bottom plate, and screening holes are formed in the screening middle plate; the design of two-way direction of transportation of two-way conveyer cooperatees with breaker, screening plant's position that sets up, finally realizes transporting the raw coal on the crossheading elevating conveyor to the belt feeder after the screening earlier of this device is broken. When improving lump coal rate, the length of having reduced unsettled section greatly, and then reduced the length of belt feeder from moving the tail, the complex environment in the pit of being convenient for cooperate the colliery exploitation not only guarantees that this device moves the machine relatively smoothly in the pit, still can not produce because of the belt from moving a great deal of problems that the tail overlength produced, reduces the emergence of incident.
Description
Technical Field
The utility model relates to a reprinting machine technical field, concretely relates to crossheading is with broken reprinting system of two-way transportation screening.
Background
The transportation and crushing of raw coal are necessary procedures for processing raw coal in coal enterprises, the traditional raw coal is unloaded onto a crossheading transfer machine with a crusher (for convenience of description, the crushing crossheading transfer machine is called for short) through a scraper conveyor after being mined to be crushed and transferred, and then is unloaded onto a belt conveyor, and because the sizes of the mined raw coal are different, the raw coal is not subjected to screening and separation but is crushed by the crusher, and when large raw coal is changed into small blocks of coal, the small blocks of raw coal are also crushed into coal cinder or foam coal by the crusher, so that the lump coal rate is greatly reduced.
According to the problems, in order to improve the lump coal rate, part of coal enterprises improve the crushing crossheading transfer conveyor, the screening groove provided with the screening hole is additionally arranged at the suspended section of the traditional crushing crossheading transfer conveyor, the screening groove is arranged above the belt conveyor and is connected with the crusher, so that the raw coal on the crushing crossheading transfer conveyor is firstly screened and separated, the raw coal with the maximum sectional area smaller than the screening hole directly passes through the screening hole to be unloaded onto the belt conveyor to be transported away, and the raw coal with the maximum sectional area larger than the screening hole is transported to the crusher to be crushed and then unloaded onto the belt conveyor to be transported away. Compared with a crushing crossheading reversed loader without an additional screening groove, the mode obviously improves the lump coal rate.
However, the crusher and the screening groove which are arranged on the improved crushing gateway reversed loader with the screening function are both arranged on the suspended section, so that the length of the suspended section of the crushing gateway reversed loader is increased, the underground environment of coal mining is complex, the problem that the crushing gateway reversed loader is difficult to move due to the overlong suspended section is solved, and the tail of the belt conveyor which is matched with the underground belt conveyor is lengthened. Because of the tunnel fluctuation in the pit can't be controlled, the too long belt from moving the tail can lead to belt off tracking, scrape card, can't remove a great deal of problem such as, still can cause the incident when serious.
Disclosure of Invention
In view of the above, there is a need for a bi-directional transportation, screening, crushing and transshipping system for a gateway that does not require an increase in the length of the suspended section.
A bidirectional transportation, screening, crushing and transshipment system for a crossheading is divided into a landing section and a suspension section along the length direction, wherein the landing section is provided with a crossheading transshipment machine, the suspension section is provided with a belt conveyor, the bidirectional transportation, screening, crushing and transshipment system for the crossheading comprises a crushing device, a screening device and a bidirectional transportation device, and the crushing device and the screening device are arranged on the landing section and are connected with each other; the screening device is a screening groove and comprises a screening middle plate and a screening bottom plate, the screening middle plate is positioned at the upper part of the screening bottom plate, and screening holes are formed in the screening middle plate; the raw coal on the crossheading transloader is unloaded from the machine head of the transloader to a bidirectional transportation, screening, crushing and transloading system for crossheading, the raw coal is positively transported to the screening hole by a bidirectional transporting device, the raw coal with the maximum sectional area not smaller than the screening hole is continuously positively transported to the crushing device by the bidirectional transporting device for crushing, and the crushed raw coal is reversely transported to a belt conveyor by the bidirectional transporting device; the raw coal with the maximum sectional area smaller than the screening holes falls onto the screening bottom plate from the screening holes and is reversely conveyed to the belt conveyor by the bidirectional conveying device.
Preferably, the crushing device comprises a crushing groove, a crusher power part and a crushing shaft group, the crushing groove is connected with the screening device, the crusher power part is fixed on the crushing groove, and the output end of the crusher power part is fixedly connected with the crushing shaft group to provide power for the crushing shaft group; the crushing groove comprises a crushing middle plate and a crushing bottom plate, the crushing middle plate is positioned on the upper portion of the crushing bottom plate, falling holes are formed in the crushing middle plate and are respectively positioned on two opposite sides of the crushing shaft group, so that the crushed raw coal is conveyed to the falling holes by the two-way conveying device, falls onto the crushing bottom plate from the falling holes and is conveyed to the belt conveyor by the two-way conveying device.
Preferably, the crossheading bidirectional transportation, screening, crushing and transshipment system further comprises a machine tail, a connecting groove group and a machine head, wherein the machine tail, the crushing groove, the screening device, the connecting groove group and the machine head are sequentially connected, the machine tail is arranged at the landing section, and the machine head is arranged at the suspension section.
Preferably, the connecting groove group comprises unloading port middle grooves, hinge grooves, first suspended section middle grooves, convex grooves and second suspended section middle grooves which are connected in sequence, the unloading port middle grooves and the grooves are located in the landing sections, the hinge grooves, the first suspended section middle grooves, the convex grooves and the second suspended section middle grooves are located in the suspended sections, the unloading ports of the crossheading reversed loader are located right above the unloading port middle grooves, so that raw coal on the crossheading reversed loader falls on the unloading port middle grooves from the machine head of the raw coal, the tail of the machine, the unloading port middle grooves, the hinge grooves, the first suspended section middle grooves, the convex grooves, the second suspended section middle grooves, the machine head of the machine head.
Preferably, the bidirectional transportation device comprises a chain, a scraper, a tail sprocket shaft group, a head sprocket shaft group and a power part, the tail sprocket shaft group and the head sprocket shaft group are respectively arranged at the tail and the head, the chain is meshed with the tail sprocket shaft group and the head sprocket shaft group, so that the chain passes through the tail sprocket shaft group, the head sprocket shaft group is arranged along the tail and the head to form a closed loop, the scraper is arranged in a predetermined number and is arranged on the chain at intervals, the power part is arranged at the head, the output end of the power part is fixedly connected with the head sprocket shaft group to drive the head sprocket shaft group to rotate, so as to drive the chain to move and further drive the scraper to move, the closed loop of the chain is provided with an upper chain and a lower chain with opposite moving directions, the upper chain moves along the direction close to the crushing device, the upper chain is positioned right above the sieving middle plate, the crushing middle plate and the middle plate, and the lower chain moves, the lower chain is positioned right above the screening bottom plate, the crushing bottom plate and the bottom plate; the raw coal on the crossheading transloader is unloaded from the machine head to the middle plate of the middle groove of the unloading port, the upper chain and the scraper connected with the upper chain scrape the middle plate of the middle groove of the unloading port to the screening middle plate, after the raw coal passes through the screening hole, the raw coal with the largest cross section area not smaller than the screening hole is continuously conveyed to the crushing device along the screening middle plate by the upper chain and the scraper connected with the upper chain to be crushed, the crushed raw coal is conveyed to the falling hole by the upper chain and the scraper connected with the upper chain, falls onto the crushing bottom plate from the falling hole, and is scraped to the belt conveyor from the crushing bottom plate through the screening bottom plate and the bottom plate by the lower chain and the; raw coal with the largest cross-sectional area smaller than the screening holes falls onto the screening bottom plate from the screening holes and is scraped to the belt conveyor from the screening bottom plate through the bottom plate by the lower chain and the scraper plates of the lower chain.
Preferably, the screening device further comprises a screening upper edge, a screening lower edge, a first screening vertical plate and a second screening vertical plate, the screening upper edge is located above the screening middle plate, the screening lower edge is located between the screening middle plate and the screening bottom plate, two sides of the screening upper edge, the screening middle plate, the screening lower edge and the screening bottom plate are respectively connected with the first screening vertical plate and the second screening vertical plate, the screening middle plate and the screening bottom plate are perpendicular to the first screening vertical plate and the second screening vertical plate, the screening middle plate is parallel to the screening bottom plate, and the first screening vertical plate is parallel to the second screening vertical plate;
the crushing groove also comprises a crushing upper edge, a crushing lower edge, a first crushing vertical plate and a second crushing vertical plate, wherein the crushing upper edge is positioned above the crushing middle plate, the crushing lower edge is positioned between the crushing middle plate and the crushing bottom plate, the two sides of the crushing upper edge, the crushing middle plate, the crushing lower edge and the crushing bottom plate are respectively connected with the first crushing vertical plate and the second crushing vertical plate, the crushing middle plate and the crushing bottom plate are respectively vertical to the first crushing vertical plate and the second crushing vertical plate, the crushing middle plate and the crushing bottom plate are parallel to each other, and the first crushing vertical plate and the second crushing vertical plate are parallel to each other;
the machine tail, the middle groove of the unloading port, the groove, the hinge groove, the middle groove of the first suspension section, the convex groove, the middle groove of the second suspension section and the machine head also comprise an upper edge, a lower edge, a first vertical plate and a second vertical plate, wherein the upper edge is positioned above the middle plate, the lower edge is positioned between the middle plate and the bottom plate, the two sides of the upper edge, the middle plate, the lower edge and the bottom plate are respectively connected with the first vertical plate and the second vertical plate, the middle plate and the bottom plate are both vertical to the first vertical plate and the second vertical plate, the middle plate and the bottom plate are parallel to each other, and the first vertical plate and the second vertical plate are parallel to;
the upper chain and the scraper connected with the upper chain are positioned between the upper edge of the screening and the screening middle plate, between the upper edge of the crushing and the crushing middle plate, and between the upper edge of the crushing and the middle plate, and the lower chain and the scraper connected with the lower chain are positioned between the lower edge of the screening and the screening bottom plate, between the lower edge of the crushing and the crushing bottom plate, and between the lower edge of the crushing and the bottom plate.
Preferably, the distance between the screening middle plate and the crossheading transfer machine, the distance between the crushing middle plate and the crossheading transfer machine, and the distance between the middle plate of the middle groove of the unloading port and the crossheading transfer machine are not less than two times of the maximum cross-sectional area of raw coal, wherein the raw coal is the raw coal with the maximum cross-sectional area of the middle plates of the screening middle plate, the crushing middle plate and the middle groove of the unloading port; the distance between the screening middle plate and the screening bottom plate, the distance between the crushing middle plate and the crushing bottom plate and the distance between the middle plate and the bottom plate are not less than two times of the maximum sectional area of raw coal, and the raw coal is the raw coal with the maximum cross sectional area of the screening bottom plate, the crushing bottom plate and the bottom plate.
Preferably, the bottom plate of the machine head is provided with unloading holes, the unloading holes are located above the belt conveyor, the machine head is further provided with a buffering material guide plate, the buffering material guide plate is located right below the unloading holes, one end of the buffering material guide plate is connected with the bottom plate of the machine head, the other end of the buffering material guide plate is arranged close to an inlet of the belt conveyor, and the buffering material guide plate is provided with a preset inclination angle, so that raw coal on the bottom plate of the machine head is scraped to the buffering material guide plate through a scraper and slides to the inlet of the belt conveyor along the buffering material guide plate.
Preferably, the crossheading bidirectional transportation, screening, crushing and transshipment system further comprises a front support trolley and a rear support trolley, the crossheading transshipment machine is connected with the screening device through the front support trolley, and the machine head is connected with the belt conveyor through the rear support trolley.
The utility model adopts the above technical scheme, its beneficial effect lies in: crushing device and screening plant all set up in the section of falling to the ground, and the design of two-way direction of transportation of two-way conveyer cooperatees with crushing device, screening plant's the position that sets up, finally realizes transporting the belt feeder again after the earlier screening of this device with the raw coal on the crossheading elevating conveyor. The screening plant that not only will increase sets up in the section of falling to the ground, has still set up crushing device in the section of falling to the ground together, when improving lump coal rate, has shortened the length of unsettled section greatly, and then has shortened the length of belt feeder from moving the tail, is convenient for cooperate the complicated environment in colliery exploitation underground, not only guarantees that this device moves the machine in the pit relatively smoothly, still can not produce because of the belt from moving a great deal of problems that tail overlength produced, reduces the emergence of incident.
Drawings
Fig. 1 is a front view of a bi-directional transport screening crushing transshipment system for a gateway.
Fig. 2 is a partially enlarged view of a in fig. 1.
Fig. 3 is a top view of a bi-directional transport screening, crushing and transshipping system for a gateway.
Fig. 4 is a partially enlarged view of B in fig. 3.
Fig. 5 is a front view of the bidirectional transporting, screening, crushing and transshipping system for the crossheading, a crossheading transshipping machine and a belt conveyor.
FIG. 6 is a front view of a bi-directional transport screening crushing transshipment system for a gateway to increase the direction of movement of raw coal.
FIG. 7 is a longitudinal sectional view at the position of the connecting groove group.
Fig. 8 is a side view of a crushing tank.
Figure 9 is a side view of a screening device.
Fig. 10 is a top view of the crushing shoe.
FIG. 11 is a top view of the base plate of the handpiece.
In the figure: the two-way transporting, screening, crushing and transshipping system 10 for the crossheading, the crossheading transshipping machine 20, the belt conveyor 30, the crushing device 11, the crushing groove 111, the crushing middle plate 1111, the crushing bottom plate 1112, the falling hole 11121, the crushing upper edge 1113, the crushing lower edge 1114, the first crushing vertical plate 1115, the second crushing vertical plate 1116, the crusher power part 112, the crushing shaft group 113, the screening device 12, the screening middle plate 121, the screening hole 1211, the screening bottom plate 122, the screening upper edge 123, the screening lower edge 124, the first screening vertical plate 125, the second screening vertical plate 126, the chain 131, the scraper 132, the tail sprocket shaft group 133, the head sprocket shaft group 134, the power part 135, the tail 14, the connecting groove group 15, the unloading opening middle groove 151, the groove 152, the hinge groove 153, the first suspending section middle groove 154, the convex groove 155, the second suspending section middle groove 156, the middle plate 1501, the bottom plate 1502, the upper edge 1504, the lower edge, the first vertical plate 1505, the second vertical plate 1506, the bottom, The machine head 16, the unloading hole 161, the buffer material guide plate 162, the front support trolley 17 and the rear support trolley 18.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 to 6, an embodiment of the present invention provides a bidirectional transporting, screening, crushing and transshipping system 10 for a crossheading, which is divided into a landing section and a suspension section along a length direction, wherein the landing section is provided with a crossheading transshipping machine 20, the suspension section is provided with a belt conveyor 30, the bidirectional transporting, screening, crushing and transshipping system 10 for a crossheading comprises a crushing device 11, a screening device 12 and a bidirectional transporting device, and the crushing device 11 and the screening device 12 are both arranged at the landing section and connected with each other; the screening device 12 is a screening groove, the screening device 12 comprises a screening middle plate 121 and a screening bottom plate 122, the screening middle plate 121 is positioned on the upper portion of the screening bottom plate 122, and screening holes 1211 are formed in the screening middle plate 121; the raw coal on the crossheading transloader 20 is unloaded from the machine head 16 to the bidirectional transportation screening, crushing and transloading system 10 for crossheading, the raw coal is positively transported to the screening holes 1211 by the bidirectional transportation device, the raw coal with the maximum cross section not smaller than the screening holes 1211 is continuously positively transported to the crushing device 11 by the bidirectional transportation device for crushing, and the crushed raw coal is reversely transported to the belt conveyer 30 by the bidirectional transportation device; raw coal having a maximum cross-sectional area smaller than the screen holes 1211 falls from the screen holes 1211 onto the screen floor 122 and is reversely conveyed to the belt conveyor 30 by the bidirectional conveying device.
Referring to fig. 1, 3, 5, 8 and 10, further, the crushing device 11 includes a crushing groove 111, a crusher power part 135112 and a crushing shaft group 113, the crushing groove 111 is connected with the sieving device 12, the crusher power part 135112 is fixed on the crushing groove 111, and an output end of the crusher power part 135112 is fixedly connected with the crushing shaft group 113 to provide power for the crushing shaft group 113; the crushing tank 111 includes a crushing middle plate 1111 and a crushing bottom plate 1112, the crushing middle plate 1111 is located on the upper portion of the crushing bottom plate 1112, a dropping hole 11121 is formed in the crushing middle plate 1111, and the dropping hole 11121 and the screening hole 1211 are respectively located on two opposite sides of the crushing shaft group 113, so that the crushed raw coal is transported to the dropping hole 11121 by the bidirectional transporting device, dropped onto the crushing bottom plate 1112 from the dropping hole 11121, and then transported to the belt conveyor 30 by the bidirectional transporting device.
Referring to fig. 1, 3 and 5, further, the bidirectional transporting, screening, crushing and transshipping system 10 for crossheading further includes a tail 14, a connecting trough group 15 and a head 16, wherein the tail 14, the crushing trough 111, the screening device 12, the connecting trough group 15 and the head 16 are sequentially connected, the tail 14 is arranged on the landing section, and the head 16 is arranged on the suspended section.
Referring to fig. 1, 3 and 5, further, the connecting slot group 15 includes a middle slot 151 of the unloading port, a groove 152, a hinge slot 153, a middle slot 154 of the first suspension section, a convex slot 155 and a middle slot 156 of the second suspension section, which are connected in sequence, the middle slot 151 of the unloading port and the groove 152 are located in the landing section, the hinge slot 153, the middle slot 154 of the first suspension section, the convex slot 155 and the middle slot 156 of the second suspension section are located in the suspension section, and the unloading port of the gateway loader 20 is located right above the middle slot 151 of the unloading port, so that the raw coal on the gateway loader 20 falls onto the middle slot 151 of the unloading port from the head 16 thereof, the tail 14, the middle slot 151 of the unloading port, the groove 152, the hinge slot 153, the middle slot 154 of the first suspension section, the convex slot 155, the middle slot 156 of the second suspension section, and the head 16 all include a middle plate 1501 and a bottom plate 1502, and the middle plate 1502 is located on the top of the.
Referring to fig. 1 to 5, further, the bidirectional transportation device includes a chain 131, a scraper 132, a tail sprocket shaft set 133, a head sprocket shaft set 134, and a power portion 135, the tail sprocket shaft set 133 and the head sprocket shaft set 134 are respectively disposed at the tail 14 and the head 16, the chain 131, the tail sprocket shaft set 133 and the head sprocket shaft set 134 are all engaged and connected, so that the chain 131 forms a closed loop along the tail 14 and the head 16 through the tail sprocket shaft set 133 and the head sprocket shaft set 134, the scrapers 132 are disposed in a predetermined number and are spaced on the chain 131, the power portion 135 is disposed at the head 16, and an output end of the power portion 135 is fixedly connected with the head sprocket shaft set 134 to drive the head sprocket shaft set 134 to rotate, thereby driving the chain 131 to move, further driving the scraper 132 to move, the closed loop of the chain 131 is disposed as an upper chain and a lower chain with opposite moving directions, the upper chain moves in a direction close to the crushing device 11, the upper chain is positioned right above the screening middle plate 121, the crushing middle plate 1111 and the middle plate 1501, the lower chain moves along the direction close to the belt conveyor 30, and the lower chain is positioned right above the screening bottom plate 122, the crushing bottom plate 1112 and the bottom plate 1502; the raw coal on the crossheading transloader 20 is unloaded from the machine head 16 to the middle plate 1501 of the unloading port middle groove 151, the upper chain and the scraper 132 connected with the upper chain scrape from the middle plate 1501 of the unloading port middle groove 151 to the screening middle plate 121, after the raw coal passes through the screening holes 1211, the raw coal with the largest cross section area not smaller than the screening holes 1211 continues to be conveyed to the crushing device 11 along the screening middle plate 121 by the upper chain and the scraper 132 connected with the upper chain to be crushed, the crushed raw coal is conveyed to the falling holes 11121 by the upper chain and the scraper 132 connected with the upper chain, the raw coal falls onto the crushing bottom plate 1112 from the falling holes 11121, and the raw coal passes through the screening bottom plate 122 and the bottom plate 1502 from the crushing bottom plate 1112 to be scraped to the belt conveyor 30 by the; raw coal having a maximum cross-sectional area smaller than the screen holes 1211 falls from the screen holes 1211 onto the screen floor 122 and is scraped by the lower chain and its scraper 132 from the screen floor 122 to the belt conveyor 30 through the floor 1502.
Referring to fig. 9, further, the screening device 12 further includes a screening upper edge 123, a screening lower edge 124, a first screening vertical plate 125, and a second screening vertical plate 126, the screening upper edge 123 is located above the screening middle plate 121, the screening lower edge 124 is located between the screening middle plate 121 and the screening bottom plate 122, both sides of the screening upper edge 123, the screening middle plate 121, the screening lower edge 124, and the screening bottom plate 122 are respectively connected to the first screening vertical plate 125 and the second screening vertical plate 126, the screening middle plate 121 and the screening bottom plate 122 are both perpendicular to the first screening vertical plate 125 and the second screening vertical plate 126, the screening middle plate 121 and the screening bottom plate 122 are parallel to each other, and the first screening vertical plate 125 and the second screening vertical plate 126 are parallel to each other;
referring to fig. 8, the crushing slot 111 further includes a crushing upper edge 1113, a crushing lower edge 1114, a first crushing vertical plate 1115 and a second crushing vertical plate 1116, the crushing upper edge 1113 is located above the crushing middle plate 1111, the crushing lower edge 1114 is located between the crushing middle plate 1111 and the crushing bottom plate 1112, two sides of the crushing upper edge 1113, the crushing middle plate 1111, the crushing lower edge 1114 and the crushing bottom plate 1112 are respectively connected to the first crushing vertical plate 1115 and the second crushing vertical plate 1116, the crushing 1111 middle plate and the crushing bottom plate 1112 are perpendicular to the first crushing vertical plate 1115 and the second crushing vertical plate 1116, the crushing middle plate 1111 and the crushing bottom plate 1112 are parallel to each other, and the first crushing vertical plate 1115 and the second crushing vertical plate 1116 are parallel to each other;
referring to fig. 7, the tail 14, the unloading opening middle slot 151, the groove 152, the hinge slot 153, the first hanging section middle slot 154, the convex slot 155, the second hanging section middle slot 156, and the machine head 16 further include an upper edge 1503, a lower edge 1504, a first vertical plate 1505 and a second vertical plate 1506, the upper edge 1503 is located above the middle plate 1501, the lower edge 1504 is located between the middle plate 1501 and the bottom plate 1502, both sides of the upper edge 1503, the middle plate 1501, the lower edge 1504 and the bottom plate 1502 are respectively connected with the first vertical plate 1505 and the second vertical plate 1506, the middle plate 1501 and the bottom plate 1502 are perpendicular to the first vertical plate 1505 and the second vertical plate 1506, the middle plate 1501 is parallel to the bottom plate 1502, and the first vertical plate is parallel to the second vertical plate 1505;
referring to fig. 7, the upper chain and its connected scrapers 132 are located between the screening upper edge 123 and the screening middle plate 121, between the crushing upper edge 1113 and the crushing middle plate 1111, between the upper edge 1503 and the middle plate 1501, and the lower chain and its connected scrapers 132 are located between the screening lower edge 124 and the screening bottom plate 122, between the crushing lower edge 1114 and the crushing bottom plate 1112, and between the lower edge 1504 and the bottom plate 1502.
Referring to fig. 7 to 9, further, the distance between the screening middle plate 121 and the crossheading transfer machine 20, the distance between the crushing middle plate 1111 and the crossheading transfer machine 20, and the distance between the middle plate 1501 of the discharge opening middle groove 151 and the crossheading transfer machine 20 are not less than twice the maximum cross-sectional area of the raw coal, which is the raw coal with the maximum cross-sectional area on the middle plate 1501 of the screening middle plate 121, the crushing middle plate 1111, and the discharge opening middle groove 151; the distance between the screening middle plate 121 and the screening bottom plate 122, the distance between the crushing middle plate 1111 and the crushing bottom plate 1112, and the distance between the middle plate 1501 and the bottom plate 1502 are not less than twice of the maximum cross-sectional area of raw coal, and the raw coal is the raw coal with the maximum cross-sectional area on the screening bottom plate 122, the crushing bottom plate 1112 and the bottom plate 1502.
Referring to fig. 11, further, a bottom plate 1502 of the machine head 16 is provided with unloading holes 161, the unloading holes 161 are located above the belt conveyor 30, the machine head 16 is further provided with a buffer material guide plate 162, the buffer material guide plate 162 is located right below the unloading holes 161, one end of the buffer material guide plate 162 is connected to the bottom plate 1502 of the machine head 16, the other end of the buffer material guide plate 162 is disposed near an inlet of the belt conveyor 30, and the buffer material guide plate 162 is provided with a predetermined inclination angle, so that raw coal on the bottom plate 1502 of the machine head 16 is scraped to the buffer material guide plate 162 by the scraper 132 and slides to the inlet of the belt conveyor 30 along the buffer material guide plate 162. The inclination angle of the buffer material guide plate 162 is 30-60 degrees.
Referring to fig. 1 and 5, further, the crossheading bidirectional transportation, screening, crushing and transshipping system 10 further includes a front support trolley 17 and a rear support trolley 18, the crossheading transshipping machine 20 is connected with the screening device 12 through the front support trolley 17, and the machine head 16 is connected with the belt conveyor 30 through the rear support trolley 18.
Referring to fig. 1, 2 and 4, further, the screening device 12 is two in a continuous detachable connection.
Further, the size of the sieving aperture 1211 is designed according to actual requirements.
Further, the raw coal passing through the crushing shaft group 113 falls on the crushing bottom plate 1112 from the falling hole 11121 and is transported to the sieving bottom plate 122, the raw coal falling through the sieving hole 1211 falls on the raw coal falling from the falling hole 11121 instead of directly falling on the scraper 132, the impact force between the raw coal and the scraper 132 is reduced, the situation that the scraper 132 breaks the raw coal is reduced, and the lump coal rate is improved again; compared with the traditional crushing and transferring machine, the distance between the scraper 132 and the crossheading transferring machine 20 is reduced, so that the free falling distance of the raw coal on the crossheading transferring machine 20 is reduced, the generated gravity acceleration is relatively small, the condition that the raw coal is broken is reduced, and the lump coal rate is improved again; the arrangement of the buffering material guide plate 162 enables the raw coal conveyed to the machine head 16 to slowly slide onto the belt conveyor 30, the situation that the raw coal is broken is also reduced, and the lump coal rate is increased again.
When the device is used specifically, raw coal mined underground is conveyed to the crossheading transfer conveyor 20 by the scraper conveyor, the raw coal falls onto the middle plate 1501 of the middle groove 151 of the unloading port through the unloading port of the crossheading transfer conveyor 20 and is scraped onto the screening middle plate 121 by the upper chain and the scraper 132 connected with the upper chain, after the raw coal passes through the screening hole 1211, the raw coal with the largest cross section area not smaller than that of the screening hole 1211 is conveyed to the crushing device 11 along the screening middle plate 121 by the upper chain and the scraper 132 connected with the upper chain continuously and is crushed, the crushed raw coal is conveyed to the falling hole 11121 by the upper chain and the scraper 132 connected with the upper chain, the raw coal falls onto the crushing bottom plate 1112 from the falling hole 11121, and the raw coal sequentially passes through the screening bottom plate 122 and the bottom plate 1502 and is scraped onto the belt conveyor 30 from the crushing bottom plate 1112 by the lower chain; raw coal having a maximum cross-sectional area smaller than the screen holes 1211 falls from the screen holes 1211 onto the screen floor 122 and is scraped by the lower chain and its scraper 132 from the screen floor 122 to the belt conveyor 30 through the floor 1502.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a broken reprint system of bidirectional transport screening for crossheading, its divide into the section of falling to the ground and unsettled section along length direction, and the section of falling to the ground is provided with crossheading reprinter, and unsettled section is provided with belt feeder, its characterized in that: the device comprises a crushing device, a screening device and a bidirectional conveying device, wherein the crushing device and the screening device are arranged on a landing section and are connected with each other; the screening device is a screening groove and comprises a screening middle plate and a screening bottom plate, the screening middle plate is positioned at the upper part of the screening bottom plate, and screening holes are formed in the screening middle plate; the raw coal on the crossheading transloader is unloaded from the machine head of the transloader to a bidirectional transportation, screening, crushing and transloading system for crossheading, the raw coal is positively transported to the screening hole by a bidirectional transporting device, the raw coal with the maximum sectional area not smaller than the screening hole is continuously positively transported to the crushing device by the bidirectional transporting device for crushing, and the crushed raw coal is reversely transported to a belt conveyor by the bidirectional transporting device; the raw coal with the maximum sectional area smaller than the screening holes falls onto the screening bottom plate from the screening holes and is reversely conveyed to the belt conveyor by the bidirectional conveying device.
2. The crossheading, bi-directional transport, screening, crushing, transshipping system of claim 1 wherein: the crushing device comprises a crushing groove, a crusher power part and a crushing shaft group, wherein the crushing groove is connected with the screening device, the crusher power part is fixed on the crushing groove, and the output end of the crusher power part is fixedly connected with the crushing shaft group to provide power for the crushing shaft group; the crushing groove comprises a crushing middle plate and a crushing bottom plate, the crushing middle plate is positioned on the upper portion of the crushing bottom plate, falling holes are formed in the crushing middle plate and are respectively positioned on two opposite sides of the crushing shaft group, so that the crushed raw coal is conveyed to the falling holes by the two-way conveying device, falls onto the crushing bottom plate from the falling holes and is conveyed to the belt conveyor by the two-way conveying device.
3. The bi-directional transport screening crushing transshipment system for a gate roadway of claim 2, wherein: the machine tail, the crushing groove, the screening device, the connecting groove group and the machine head are sequentially connected, the machine tail is arranged at the ground falling section, and the machine head is arranged at the suspension section.
4. The bi-directional transport screening crushing transshipment system for a gate roadway of claim 3, wherein: the connecting groove group comprises unloading port middle grooves, hinge grooves, first suspended section middle grooves, convex grooves and second suspended section middle grooves which are sequentially connected, the unloading port middle grooves and the grooves are all located in the landing section, the hinge grooves, the first suspended section middle grooves, the convex grooves and the second suspended section middle grooves are all located in the suspended section, the unloading port of the crossheading reversed loader is located right above the unloading port middle grooves, so that raw coal on the crossheading reversed loader falls on the unloading port middle grooves from the machine head of the raw coal, the machine tail, the unloading port middle grooves, the hinge grooves, the first suspended section middle grooves, the convex grooves, the second suspended section middle grooves, the machine head of the raw coal comprises a middle plate and a bottom plate, and the middle plate is located on the upper portion of the bottom plate.
5. The bi-directional transport screening crushing transshipment system for a gate roadway of claim 4, wherein: the bidirectional conveying device comprises a chain, a scraper, a tail chain sprocket shaft group, a head chain sprocket shaft group and a power part, wherein the tail chain sprocket shaft group and the head chain sprocket shaft group are respectively arranged at a tail and a head, the chain is meshed with the tail chain sprocket shaft group and the head chain sprocket shaft group, so that the chain passes through the tail chain sprocket shaft group, the head chain sprocket shaft group and the head chain sprocket shaft group to form a closed loop along the tail and the head, the scraper is provided with a preset number of scrapers and is arranged on the chain at intervals, the power part is arranged at the head, the output end of the power part is fixedly connected with the head chain sprocket shaft group to drive the head chain sprocket shaft group to rotate, so as to drive the chain to move and further drive the scraper to move, the closed loop of the chain is provided with an upper chain and a lower chain with opposite moving directions, the upper chain moves along the direction close to the crushing device, the upper chain is positioned right above, the lower chain is positioned right above the screening bottom plate, the crushing bottom plate and the bottom plate; the raw coal on the crossheading transloader is unloaded from the machine head to the middle plate of the middle groove of the unloading port, the upper chain and the scraper connected with the upper chain scrape the middle plate of the middle groove of the unloading port to the screening middle plate, after the raw coal passes through the screening hole, the raw coal with the largest cross section area not smaller than the screening hole is continuously conveyed to the crushing device along the screening middle plate by the upper chain and the scraper connected with the upper chain to be crushed, the crushed raw coal is conveyed to the falling hole by the upper chain and the scraper connected with the upper chain, falls onto the crushing bottom plate from the falling hole, and is scraped to the belt conveyor from the crushing bottom plate through the screening bottom plate and the bottom plate by the lower chain and the; raw coal with the largest cross-sectional area smaller than the screening holes falls onto the screening bottom plate from the screening holes and is scraped to the belt conveyor from the screening bottom plate through the bottom plate by the lower chain and the scraper plates of the lower chain.
6. The crossheading, bi-directional transport, screening, crushing, transshipping system of claim 5, wherein: the screening device further comprises a screening upper edge, a screening lower edge, a first screening vertical plate and a second screening vertical plate, wherein the screening upper edge is positioned above the screening middle plate, the screening lower edge is positioned between the screening middle plate and the screening bottom plate, the two sides of the screening upper edge, the screening middle plate, the screening lower edge and the screening bottom plate are respectively connected with the first screening vertical plate and the second screening vertical plate, the screening middle plate and the screening bottom plate are perpendicular to the first screening vertical plate and the second screening vertical plate, the screening middle plate is parallel to the screening bottom plate, and the first screening vertical plate is parallel to the second screening vertical plate;
the crushing groove also comprises a crushing upper edge, a crushing lower edge, a first crushing vertical plate and a second crushing vertical plate, wherein the crushing upper edge is positioned above the crushing middle plate, the crushing lower edge is positioned between the crushing middle plate and the crushing bottom plate, the two sides of the crushing upper edge, the crushing middle plate, the crushing lower edge and the crushing bottom plate are respectively connected with the first crushing vertical plate and the second crushing vertical plate, the crushing middle plate and the crushing bottom plate are respectively vertical to the first crushing vertical plate and the second crushing vertical plate, the crushing middle plate and the crushing bottom plate are parallel to each other, and the first crushing vertical plate and the second crushing vertical plate are parallel to each other;
the machine tail, the middle groove of the unloading port, the groove, the hinge groove, the middle groove of the first suspension section, the convex groove, the middle groove of the second suspension section and the machine head also comprise an upper edge, a lower edge, a first vertical plate and a second vertical plate, wherein the upper edge is positioned above the middle plate, the lower edge is positioned between the middle plate and the bottom plate, the two sides of the upper edge, the middle plate, the lower edge and the bottom plate are respectively connected with the first vertical plate and the second vertical plate, the middle plate and the bottom plate are both vertical to the first vertical plate and the second vertical plate, the middle plate and the bottom plate are parallel to each other, and the first vertical plate and the second vertical plate are parallel to;
the upper chain and the scraper connected with the upper chain are positioned between the upper edge of the screening and the screening middle plate, between the upper edge of the crushing and the crushing middle plate, and between the upper edge of the crushing and the middle plate, and the lower chain and the scraper connected with the lower chain are positioned between the lower edge of the screening and the screening bottom plate, between the lower edge of the crushing and the crushing bottom plate, and between the lower edge of the crushing and the bottom plate.
7. The bi-directional transport screening crushing transshipment system for a gate roadway of claim 6, wherein: the distance between the screening middle plate and the crossheading reversed loader, the distance between the crushing middle plate and the crossheading reversed loader and the distance between the middle plate of the middle groove of the unloading port and the crossheading reversed loader are not less than two times of the maximum sectional area of raw coal, and the raw coal is the raw coal with the maximum transverse sectional area of the middle plates of the screening middle plate, the crushing middle plate and the middle groove of the unloading port; the distance between the screening middle plate and the screening bottom plate, the distance between the crushing middle plate and the crushing bottom plate and the distance between the middle plate and the bottom plate are not less than two times of the maximum sectional area of raw coal, and the raw coal is the raw coal with the maximum cross sectional area of the screening bottom plate, the crushing bottom plate and the bottom plate.
8. The bi-directional transport screening crushing transshipment system for a gate roadway of claim 7, wherein: the unloading hole is formed in the bottom plate of the machine head, the unloading hole is located above the belt conveyor, a buffering guide plate is further arranged on the machine head and located right below the unloading hole, one end of the buffering guide plate is connected with the bottom plate of the machine head, the other end of the buffering guide plate is arranged close to an inlet of the belt conveyor, and the buffering guide plate is provided with a preset inclination angle, so that raw coal on the bottom plate of the machine head is scraped to the buffering guide plate through a scraper and slides to the inlet of the belt conveyor along the buffering guide plate.
9. The crossheading, bi-directional transport, screening, crushing, transshipping system of claim 8, wherein: the screening machine is characterized by further comprising a front support trolley and a rear support trolley, wherein the crossheading reversed loader is connected with the screening device through the front support trolley, and the machine head is connected with the belt conveyor through the rear support trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020866537.7U CN212402421U (en) | 2020-05-21 | 2020-05-21 | Bidirectional transportation, screening, crushing and transshipment system for crossheading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020866537.7U CN212402421U (en) | 2020-05-21 | 2020-05-21 | Bidirectional transportation, screening, crushing and transshipment system for crossheading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212402421U true CN212402421U (en) | 2021-01-26 |
Family
ID=74402653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020866537.7U Active CN212402421U (en) | 2020-05-21 | 2020-05-21 | Bidirectional transportation, screening, crushing and transshipment system for crossheading |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212402421U (en) |
-
2020
- 2020-05-21 CN CN202020866537.7U patent/CN212402421U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104533429B (en) | Double-roadway combined rapid tunneling gangue discharge system and method | |
| CN111841857B (en) | Crushing system of mine building stones | |
| CN102704975A (en) | Coal-dressing hydraulic bracket for caving coal working face | |
| CN105107603A (en) | Screening, crushing, conveying and connecting device for gate roadway | |
| CN209889549U (en) | Waste rock transfer device in coal mine underground mining | |
| CN212402421U (en) | Bidirectional transportation, screening, crushing and transshipment system for crossheading | |
| CN111591680A (en) | Bidirectional transportation, screening, crushing and transshipment system for crossheading | |
| CN201534712U (en) | Coal and waste rock separation device | |
| CN105151757A (en) | System for increasing rate of downhole lump coal output | |
| CN212396967U (en) | Screening, transferring and crushing system for underground belt conveying section | |
| CN111252462A (en) | Novel screening scraper elevating conveyor | |
| CN105858189A (en) | Vertical claw elevating type mechanical cleaning leak coal system | |
| CN211282747U (en) | Crossheading changes to elevating gear | |
| SE449122B (en) | SET AND DEVICE FOR UNDERGRADUATE | |
| CN204996539U (en) | Crossheading is with broken device of plugging into that transports of screening | |
| CN212396988U (en) | Compact crossheading is with system of reprinting of plugging into | |
| CN207229102U (en) | A kind of semicontinuous mining system of opencut | |
| CN212402419U (en) | Novel screening scraper elevating conveyor | |
| CN104722471B (en) | A kind of bastard coal sorter exploiting thick dirt band coal seam | |
| CN102991949B (en) | Chain feeding device and scraper conveyor | |
| CN106311389A (en) | Gate roadway loader raw coal transporting and crushing system for underground coal mining | |
| CN111266180A (en) | Compact crossheading is with system of reprinting of plugging into | |
| RU2748875C1 (en) | Method for the development of solid mineral deposits | |
| CN2913281Y (en) | Whole sealing multiple points discharging belt conveyer | |
| CN111570052A (en) | Screening, transferring and crushing system for underground belt conveying section |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |