CN111266180A - Compact crossheading is with system of reprinting of plugging into - Google Patents

Abstract

A compact type connection transfer system for crossheading comprises a transfer machine, a crossheading transfer machine, a screening crusher, a first connecting piece, a second connecting piece, a screening belt conveyor and a supporting piece, wherein the transfer machine comprises a landing section and a bridge section, the landing section is horizontally arranged, the transfer machine is additionally arranged, the height of the transfer machine is greatly reduced compared with that of the belt conveyor, the design height of a crossheading roadway of a working face is reduced, the tunneling cost of the roadway is reduced, the crossheading transfer machine, the screening transfer machine and the screening crusher are movably arranged on the transfer machine, the screening transfer machine and the screening crusher are connected with the screening belt conveyor through the transfer machine, the tail of the screening belt conveyor is the same as that of a common belt conveyor, the screening transfer machine and the screening crusher can be detached near a stoping line of the working face, and then the crossheading transfer machine is connected with the tail of the screening belt conveyor, the length of the whole system is reduced, and the problem that the stoping line extends forwards due to the length of the equipment is avoided.

Description

Compact crossheading is with system of reprinting of plugging into

Technical Field

The invention relates to the technical field of coal mining and conveying devices, in particular to a compact type connection transfer system for a crossheading.

Background

The connection transfer system for the crossheading generally aims to realize the screening function of coal before passing through a crusher and avoid the problem that the lump coal rate is greatly reduced after the coal completely passes through the crusher, the traditional connection transfer system for the crossheading generally comprises a screening crossheading transfer machine, a screening crusher, a belt self-moving machine tail for screening and the like, and the belt self-moving machine tail is large in height and long in length, so that the height of the whole system is high, the roadway height needs to be increased when a crossheading roadway is designed for a coal mine, the roadway tunneling cost is increased, meanwhile, the particularity of the belt self-moving machine tail leads to the long length of the whole connection transfer system, the stoping line of a working face extends forwards, and the recovery rate of a coal field is reduced.

Disclosure of Invention

In view of the above, it is necessary to provide a compact gateway transfer system capable of reducing the height and length of the whole system.

A compact type connection transshipment system for crossheading comprises a transshipment machine, a crossheading machine, a screening transshipment machine, a screening crusher, a first connecting piece, a second connecting piece, a screening belt conveyor and a supporting piece, wherein the transshipment machine comprises a landing section and a bridge section, the landing section is horizontally arranged, the crossheading machine, the screening transshipment machine and the screening crusher are fixedly arranged right above the landing section of the transshipment machine, the first connecting piece comprises a first trolley and a first sliding frame, the second connecting piece comprises a second trolley and a second sliding frame, the first trolley is arranged at the bottom of the crossheading machine, the first sliding frame is arranged at the upper part of the landing section of the transshipment machine, the first sliding frame is in rolling connection with the transshipment machine, the first trolley is arranged on the first sliding frame, the first trolley is in rolling connection with the first sliding frame, the second trolley is arranged at the bottom of the screening crusher, the second sliding frame is arranged on the upper part of the landing section of the transfer reversed loader, the second sliding frame is in rolling connection with the transfer reversed loader, the second trolley is arranged on the second sliding frame, the second trolley is in rolling connection with the second sliding frame, the output end of the forward groove reversed loader is connected with the input end of the screening reversed loader, the screening reversed loader is used for separating a mixture of large screening materials and small screening materials, the screening reversed loader comprises a first output end and a second output end, the first output end of the screening reversed loader is just opposite to the landing section of the transfer reversed loader below so as to enable the separated small screening materials to fall into the landing section of the transfer reversed loader, the second output end of the screening reversed loader is connected with the input end of the screening crusher so as to input the separated large screening materials into the screening crusher, and the screening crusher is used for crushing the large screening materials, the output of screening breaker is just to the transportation elevating conveyor section of falling to the below to bold screening material after will smashing falls into the transportation elevating conveyor section of falling to the bridge section of transporting the elevating conveyor upwarps to pass through support piece with the tail of moving certainly of screening belt feeder and be connected, support piece and the bridge section swing joint of transporting the elevating conveyor, support piece and screening belt feeder swing joint.

Preferably, the screening reversed loader comprises a machine body, a scraper chain is installed in the machine body, and scrapers are installed on the scraper chain, the machine body comprises a machine head, a first middle groove, a second middle groove, a third middle groove and a machine tail, the machine head, the third middle groove, the first middle groove, the second middle groove and the machine tail are sequentially connected end to end from left to right, the first middle groove is used for separating large screened materials from small screened materials, the third middle groove is used for conveying the large screened materials screened out by the first middle groove out of the machine head, the second middle groove comprises a second middle plate and a second bottom plate, the second middle plate is located above the second bottom plate, the second middle plate comprises a left plate and a right plate, the horizontal heights of the left plate and the right plate are the same, the opposite side edges of the left plate and the right plate are not in contact, so that a mixture of the large screened materials and the small screened materials falling from the output end of the reversed loader along the groove above the second middle plate passes through the second middle plate, fall on the second bottom plate, first middle part groove includes first medium plate and first bottom plate, and first medium plate is located the top of first bottom plate, first medium plate, second medium plate are for supporting the chain operation of scraping the board chain, first bottom plate, second bottom plate are for supporting the chain operation of scraping the board chain, scrape the chain on the board chain, scrape the chain operation opposite direction of board chain, are equipped with a plurality of screening holes on the working face of first bottom plate to make the fritter screening material pass the screening hole, fall to transporting the elevating conveyor section that falls on the first bottom plate, the screening hole is arranged along first bottom plate length direction, the aperture of a plurality of screening holes is crescent along the direction of motion of the chain of scraping the board chain.

Preferably, screening elevating conveyor still includes receiving device, receiving device's top is equipped with the pan feeding mouth, and the pan feeding mouth that receiving device top was equipped with is connected with the output of crossheading elevating conveyor, and the inboard diapire of receiving device sets up from the right side to left downward sloping, is provided with the discharge gate in the left end tip of the inboard diapire of receiving device, receiving device's discharge gate is located the centre top of the second medium plate in second middle part groove to make the mixture of bold screening material and fritter screening material fall down from receiving device's discharge gate, and pass the second medium plate in second middle part groove, fall to on the second bottom plate in second middle part groove.

Preferably, screening reprinter still includes the smooth material device of uninstallation, the smooth material device top of uninstallation is equipped with the pan feeding mouth, and the inboard diapire of the smooth material device of uninstallation sets up from the right side to left downward sloping, and the left end tip of the inboard diapire of the smooth material device of uninstallation is provided with the discharge gate, and the discharge gate of the smooth material device of uninstallation is just to the section setting that falls to the ground of the reprinter of transportation, the smooth material device pan feeding mouth of uninstallation is located under the screening hole that sets up on the first bottom plate in first middle part groove, so that smooth material device pan feeding mouth of uninstallation communicates with the screening.

Preferably, screening elevating conveyor still includes drive division, drive division includes drive sprocket, driven sprocket, drive sprocket installs aircraft nose department, and driven sprocket installs in tail department, the scraper blade chain loop is around on drive sprocket, driven sprocket, and the tail passes through telescopic cylinder with second middle part groove and is connected to horizontal distance between tail and the second middle part groove is adjusted through telescopic cylinder, and then the length of scraper blade chain is scraped in the adjustment.

Preferably, the screening elevating conveyor further comprises a controller and a tension sensor, wherein the tension sensor is used for detecting the tension of the scraper chain, the tension sensor is electrically connected with the controller, and the controller is electrically connected with the telescopic oil cylinder.

The invention adds the transfer conveyor, the height of the transfer conveyor is greatly reduced compared with that of a belt conveyor, the design height of a working face crossheading tunnel is reduced, the tunnel tunneling cost is reduced, the crossheading conveyor, the screening conveyor and the screening crusher are movably arranged on the transfer conveyor, the screening conveyor and the screening crusher are connected with the screening belt conveyor through the transfer conveyor, the self-moving tail of the screening belt conveyor is the same as the self-moving tail of a common belt conveyor, the screening conveyor and the screening crusher can be detached near a working face stoping line, and then the crossheading conveyor is connected with the self-moving tail of the screening belt conveyor, so that the length of the whole system is reduced, and the problem that the stoping line extends forwards due to the length of equipment is avoided.

Drawings

Fig. 1 is a schematic structural diagram of the compact gateway transfer system.

Fig. 2 is a schematic structural view of the screening reversed loader.

Figure 3 is a cross-sectional view of the screening reversed loader at a second midspan position.

FIG. 4 is a schematic view showing the structure of the first bottom plate of the first middle trough.

Fig. 5 is a schematic structural diagram of the first middle groove in the original design.

FIG. 6 is a sectional view of the first central groove of the original design taken along the direction A-A.

In the figure: the screening and transferring machine comprises a transferring and transferring machine 10, a landing section 11, a bridge section 12, a crossheading transferring machine 20, a screening and transferring machine 30, a machine body 31, a machine head 311, a first middle groove 312, a first bottom plate 3121, a screening hole 31211, a first middle plate 3122, a second middle groove 313, a second middle plate 3131, a left plate 31311, a right plate 31312, a second bottom plate 3132, a third middle groove 314, a machine tail 315, a material receiving device 32, an unloading sliding material device 33, a screening crusher 40, a first connecting piece 50, a second connecting piece 60, a screening belt conveyor 70 and a supporting piece 80.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed 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, an embodiment of the present invention provides a compact type connection and transshipment system for crossheading, including a transshipment transloader 10, a crossheading transloader 20, a screening transloader 30, a screening crusher 40, a first connecting member 50, a second connecting member 60, a screening belt conveyor 70, and a supporting member 80, wherein the transshipment transloader 10 includes a landing section 11 and a bridge section 12, the landing section 11 is horizontally disposed, the crossheading transloader 20, the screening transloader 30, and the screening crusher 40 are fixedly disposed right above the landing section 11 of the transshipment transloader 10, the first connecting member 50 includes a first trolley and a first carriage, the second connecting member 60 includes a second trolley and a second carriage, the first trolley is mounted at the bottom of the crossheading transloader 20, the first carriage is mounted at the upper portion of the landing section 11 of the transshipment transloader 10, the first carriage is connected with the transshipment transloader 10 in a rolling manner, the first trolley is mounted on the first carriage, the first trolley is connected with the first sliding frame in a rolling way, the second trolley is arranged at the bottom of the screening crusher 40, the second sliding frame is arranged at the upper part of the landing section 11 of the transfer reversed loader 10, the second sliding frame is connected with the transfer reversed loader 10 in a rolling way, the second trolley is arranged on the second sliding frame, the second trolley is connected with the second sliding frame in a rolling way, the output end of the forward-groove reversed loader 20 is connected with the input end of the screening reversed loader 30, the screening reversed loader 30 is used for separating the mixture of large screened materials and small screened materials, the screening reversed loader 30 comprises a first output end and a second output end, the first output end of the screening reversed loader 30 is just opposite to the landing section 11 of the transfer reversed loader 10 below so as to enable the separated small screened materials to fall into the landing section 11 of the transfer reversed loader 10, the second output end of the screening reversed loader 30 is connected with the input end of the screening crusher 40 so as to enable the separated large screened materials to be input into the screening crusher 40, screening breaker 40 is used for breaking bold screening material, and the output of screening breaker 40 is just to the transportation elevating conveyor 10 section of falling to the below 11 to bold screening material after will breaking falls into transportation elevating conveyor 10 section of falling to 11, and the bridge section 12 of transporting elevating conveyor 10 upwarps, and passes through support piece 80 with the tail of moving certainly of screening belt feeder 70 and be connected, support piece 80 and the bridge section 12 swing joint of transporting elevating conveyor 10, support piece 80 and screening belt feeder 70 swing joint.

Compare with previous design, increased in this embodiment and transported elevating conveyor 10, the high greatly reduced of transporting elevating conveyor 10 comparison belt feeder reduces the design height in working face crossheading tunnel, has reduced the tunnelling cost.

In this embodiment, the crossheading reversed loader 20, the screening reversed loader 30 and the screening crusher 40 are movably mounted on the transfer reversed loader 10, the screening reversed loader 30 and the screening crusher 40 are connected with the screening belt conveyor 70 through the transfer reversed loader 10, the self-moving tail of the screening belt conveyor 70 is the same as the self-moving tail of a common belt conveyor, the screening reversed loader 30 and the screening crusher 40 can be dismounted near the stoping line of the working face, and then the crossheading reversed loader 20 is connected with the self-moving tail of the screening belt conveyor 70, so that the length of the whole system is reduced, and the problem that the stoping line extends forwards due to the length of equipment is avoided.

The section 11 of falling to the ground of the transfer elevating conveyor 10 is longer, satisfy the antedisplacement requirement of the connector of the crossheading elevating conveyor 20, the screening elevating conveyor 30, the screening breaker 40, and the connector of the crossheading elevating conveyor 20, the screening elevating conveyor 30, the screening breaker 40 passes through first dolly, second dolly and first carriage, second carriage roll connection, first carriage, the second carriage and the 11 roll connections of the section of falling to the ground of the transfer elevating conveyor 10, the effect of the big stroke self-moving of the connector of the crossheading elevating conveyor 20, the screening elevating conveyor 30, the screening breaker 40 has been reached.

The connectors of the crossheading reversed loader 20, the screening reversed loader 30 and the screening crusher 40 are movably connected with the landing section 11 of the transfer reversed loader 10 through a first connecting piece 50 and a second connecting piece 60, and the bridge section 12 of the transfer reversed loader 10 is movably connected with the screening belt conveyor 70 through the self-moving tail, so that six or more cutters on the working face can be used for moving the primary belt middle frame, and the effect of the large-stroke belt self-moving tail is achieved.

The invention adds the transfer reversed loader 10, the height of the transfer reversed loader 10 is greatly reduced compared with the height of a belt conveyor, the design height of a working face crossheading roadway is reduced, the roadway tunneling cost is reduced, the crossheading reversed loader 20, the screening reversed loader 30 and the screening crusher 40 are movably arranged on the transfer reversed loader 10, the screening reversed loader 30 and the screening crusher 40 are connected with the screening belt conveyor 70 through the transfer reversed loader 10, the self-moving tail of the screening belt conveyor 70 is the same as the self-moving tail of a common belt conveyor, the screening reversed loader 30 and the screening crusher 40 can be detached near a working face stoping line, and then the crossheading reversed loader 20 is connected with the self-moving tail of the screening belt conveyor 70, so that the length of the whole system is reduced, and the problem that the stoping line extends forwards due to the length of equipment is avoided.

Referring to fig. 2 to 4, further, the screening transporter 30 includes a body 31, a scraper chain is installed in the body 31, and scrapers are installed on the scraper chain, the body 31 includes a head 311, a first middle groove 312, a second middle groove 313, a third middle groove 314, a tail 315, the head 311, the third middle groove 314, the first middle groove 312, the second middle groove 313, and the tail 315 are sequentially connected end to end from left to right, the first middle groove 312 is used for separating large screened materials from small screened materials, the third middle groove 314 is used for conveying large screened materials screened from the first middle groove 313 out of the head 311, the second middle groove 313 includes a second middle plate 3131 and a second bottom plate 3132, the second middle plate 3131 is located above the second bottom plate 3132, the second middle plate 3131 includes a left plate 31311, a right plate 31312, the left plate 31311 and the right plate 31312 have the same horizontal height, opposite side edges of the left plate 31311 and the right plate 31312 do not contact, so that the mixture of large and small sized screen material falling from the output end of the gateway loader 20 over the second middle plate 3131 passes through the second middle plate 3131 and falls onto the second bottom plate 3132, the first middle trough 312 comprises a first middle plate 3122 and a first bottom plate 3121, the first middle plate 3122 is located above the first bottom plate 3121, the first middle plate 3122 and the second middle plate 3131 are for supporting the upper chain run of the scraper chain, the first bottom plate 3121 and the second bottom plate 3132 are for supporting the lower chain run of the scraper chain, the upper chain run and the lower chain run of the scraper chain are in opposite directions, a plurality of screening holes 31211 are formed on the working surface of the first bottom plate 3121 so that the small pieces of screened material pass through the screening holes 31211 and fall from the first bottom plate 3121 to the falling section 11 of the transfer conveyor 10, the screening holes 31211 are arranged along the length direction of the first bottom plate 3121, and the hole diameters of the plurality of screening holes 31211 are gradually increased along the moving direction of the lower chain of the scraper chain.

Referring to fig. 5 and 6, in the original design, an upper chain is used for transporting materials, namely, a mixture of large-sized screened materials to be screened and small-sized screened materials is transported on the first middle plate 3122, wherein the small-sized materials fall from the screen holes on the first middle plate 3122, the first bottom plate 3121 of the original design is open, namely, the first bottom plate 3121 is hollow in the original design, when the small-sized materials fall from the screen holes on the first middle plate 3122, the small-sized materials are impacted by the scraper operated on the first bottom plate 3121 to be sheared and crushed, secondary crushing is caused, and the particle size damage rate of material screening is high.

Referring to fig. 2 and 4, in the present embodiment, the lower chain is used to transport the materials, that is, the second middle plate 3131 is hollow, that is, the mixture of the large sized material to be screened and the small sized material passes through the second middle plate 3131 and directly falls on the second bottom plate 3132, the screening holes 31211 are provided on the first bottom plate 3121, the mixture of the large sized material to be screened and the small sized material runs from the second bottom plate 3132 to the first bottom plate 3121 under the pushing of the scraper, and then the small sized material falls from the screening holes 31211 of the first bottom plate 3121, and there is no scraper running below the first bottom plate 3121, so that the small sized material is not crushed again by the scraper when falling from the screening holes 31211 on the first bottom plate 3121, and the secondary crushing is not caused by the shearing crushing, thereby effectively reducing the particle size damage rate of the material screening.

In this embodiment, the conventional design of the original upper chain transportation material is changed to the lower chain transportation, that is, the second middle plate 3131 of the second middle groove 313 is open, the material can directly fall onto the second bottom plate 3132 of the second middle groove 313 from above the second middle groove 313, and the material is transported by the lower chain, so that the material is prevented from being sheared and broken by the scraper when falling from the upper chain screening, and the particle size destruction rate of the material screening is effectively reduced.

Referring to fig. 2, further, the screening reversed loader 30 further includes a material receiving device 32, a material inlet is disposed at the top of the material receiving device 32, the material inlet disposed at the top of the material receiving device 32 is connected to the output end of the crossheading reversed loader 20, the inner side bottom wall of the material receiving device 32 is inclined downward from right to left, a material outlet is disposed at the left end of the inner side bottom wall of the material receiving device 32, and the material outlet of the material receiving device 32 is located above the center of the second middle plate 3131 of the second middle slot 313, so that the mixture of the large screened material and the small screened material falls from the material outlet of the material receiving device 32, passes through the second middle plate 3131 of the second middle slot 313, and falls onto the second bottom plate 3132 of the second middle slot 313.

In this embodiment, increase receiving device 32 and avoid the material to fall to strike the breakage, effectively reduce the granularity spoilage that the material sieved.

Referring to fig. 2, further, the screening and reloading machine 30 further includes an unloading and sliding device 33, a feeding port is disposed at the top of the unloading and sliding device 33, the inner bottom wall of the unloading and sliding device 33 is inclined downwards from right to left, a discharging port is disposed at the left end of the inner bottom wall of the unloading and sliding device 33, the discharging port of the unloading and sliding device 33 is disposed opposite to the landing section 11 of the reloading machine 10, and the feeding port of the unloading and sliding device 33 is located right below the screening hole 31211 disposed on the first bottom plate 3121 of the first middle groove 312, so that the feeding port of the unloading and sliding device 33 is communicated with the screening hole 31211.

In this embodiment, increase smooth material device 33 of uninstallation and avoid the material to fall to strike the breakage, effectively reduce the granularity spoilage that the material sieved.

The receiving device 32 and the unloading sliding device 33 both ensure that the material fall is not more than 1000mm, reduce the falling impact force of the material and reduce the material crushing rate.

Further, screening elevating conveyor 30 still includes the drive division, and the drive division includes drive sprocket, driven sprocket, and aircraft nose 311 department is installed to drive sprocket, and driven sprocket installs in tail 315 department, and the scraper chain loop is around on drive sprocket, driven sprocket, and tail 315 is connected through flexible hydro-cylinder with second middle part groove 313 to adjust the horizontal distance between tail 315 and second middle part groove 313 through flexible hydro-cylinder, and then the length of adjustment scraper chain.

Further, the screening reversed loader 30 further comprises a controller and a tension sensor, wherein the tension sensor is used for detecting the tension of the scraper chain, the tension sensor is electrically connected with the controller, and the controller is electrically connected with the telescopic oil cylinder.

The modules or units in the device of the embodiment of the invention can be combined, divided and deleted according to actual needs.

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 detail may be made therein without departing from the spirit and scope of the invention.

Claims (6)

1. A compact crossheading is with system of transferring of plugging into characterized by: comprises a transfer reversed loader, a crossheading reversed loader, a screening crusher, a first connecting piece, a second connecting piece, a screening belt conveyor and a supporting piece, wherein the transfer reversed loader comprises a landing section and a bridge section, the landing section is horizontally arranged, the crossheading reversed loader, the screening reversed loader and the screening crusher are fixedly arranged right above the landing section of the transfer reversed loader, the first connecting piece comprises a first trolley and a first sliding frame, the second connecting piece comprises a second trolley and a second sliding frame, the first trolley is arranged at the bottom of the crossheading reversed loader, the first sliding frame is arranged at the upper part of the landing section of the transfer reversed loader, the first sliding frame is connected with the transfer reversed loader in a rolling manner, the first trolley is arranged on the first sliding frame, the first trolley is connected with the first sliding frame in a rolling manner, the second trolley is arranged at the bottom of the screening crusher, the second trolley is arranged at the upper part of the landing section of the transfer reversed loader, the second carriage is connected with the transfer conveyor in a rolling way, the second trolley is arranged on the second carriage, the second trolley is connected with the second carriage in a rolling way, the output end of the crossheading conveyor is connected with the input end of the screening conveyor, the screening conveyor is used for separating the mixture of large screening materials and small screening materials, the screening conveyor comprises a first output end and a second output end, the first output end of the screening conveyor is just opposite to the landing section of the transfer conveyor below so as to separate the small screening materials into the landing section of the transfer conveyor, the second output end of the screening conveyor is connected with the input end of the screening crusher so as to input the separated large screening materials into the screening crusher, the screening crusher is used for crushing the large screening materials, the output end of the screening crusher is just opposite to the landing section of the transfer conveyor below, in order to fall into the bold screening material after the breakage and transport elevating conveyor section of falling to ground, the bridge section of transporting elevating conveyor upwarps to pass through support piece with the tail of moving certainly of screening belt feeder and be connected, support piece and the bridge section swing joint of transporting elevating conveyor, support piece and screening belt feeder swing joint.

2. The compact gateway transfer system of claim 1, further comprising: the screening reversed loader comprises a machine body, a scraper chain is installed in the machine body, scrapers are installed on the scraper chain, the machine body comprises a machine head, a first middle groove, a second middle groove, a third middle groove and a machine tail, the machine head, the third middle groove, the first middle groove, the second middle groove and the machine tail are sequentially connected end to end from left to right, the first middle groove is used for separating large screening materials from small screening materials, the third middle groove is used for conveying the large screening materials screened out from the first middle groove out of the machine head, the second middle groove comprises a second middle plate and a second bottom plate, the second middle plate is located above the second bottom plate, the second middle plate comprises a left plate and a right plate, the horizontal heights of the left plate and the right plate are the same, opposite side edges of the left plate and the right plate are not in contact, and therefore a mixture of the large screening materials and the small screening materials falling from an output end of the reversed loader along the groove passes through the second middle plate, fall on the second bottom plate, first middle part groove includes first medium plate and first bottom plate, and first medium plate is located the top of first bottom plate, first medium plate, second medium plate are for supporting the chain operation of scraping the board chain, first bottom plate, second bottom plate are for supporting the chain operation of scraping the board chain, scrape the chain on the board chain, scrape the chain operation opposite direction of board chain, are equipped with a plurality of screening holes on the working face of first bottom plate to make the fritter screening material pass the screening hole, fall to transporting the elevating conveyor section that falls on the first bottom plate, the screening hole is arranged along first bottom plate length direction, the aperture of a plurality of screening holes is crescent along the direction of motion of the chain of scraping the board chain.

3. The compact gateway transfer system of claim 2, further comprising: screening elevating conveyor still includes receiving device, receiving device's top is equipped with the pan feeding mouth, and the pan feeding mouth that receiving device top was equipped with is connected with the output of crossheading elevating conveyor, and the inboard diapire of receiving device sets up from the right side to left downward sloping, is provided with the discharge gate in the left end tip of the inboard diapire of receiving device, receiving device's discharge gate is located the positive top of the second medium plate in second middle part groove to make the mixture of bold screening material and fritter screening material fall from receiving device's discharge gate, and pass the second medium plate in second middle part groove, fall to on the second bottom plate in second middle part groove.

4. The compact gateway transfer system of claim 2, further comprising: screening reprinter still includes the smooth material device of uninstallation, the smooth material device top of uninstallation is equipped with the pan feeding mouth, and the inboard diapire of the smooth material device of uninstallation is from the right side to left downward sloping setting, and the left end tip of the inboard diapire of the smooth material device of uninstallation is provided with the discharge gate, and the discharge gate of the smooth material device of uninstallation is just to the section setting that falls to the ground of the reprinter, the smooth material device pan feeding mouth of uninstallation is located under the screening hole that sets up on the first bottom plate in first middle part groove, so that smooth material device pan feeding mouth of uninstallation and screening hole intercommunication.

5. The compact gateway transfer system of claim 2, further comprising: screening elevating conveyor still includes drive division, drive division includes drive sprocket, driven sprocket, drive sprocket installs aircraft nose department, and driven sprocket installs in tail department, the scraper blade chain loop is around on drive sprocket, driven sprocket, and the tail passes through flexible hydro-cylinder with second middle part groove and is connected to horizontal distance between tail and the second middle part groove is adjusted through flexible hydro-cylinder, and then the length of scraper blade chain is scraped in the adjustment.

6. The compact gateway transfer system of claim 2, further comprising: the screening elevating conveyor further comprises a controller and a tension sensor, wherein the tension sensor is used for detecting the tension of the scraper chain, the tension sensor is electrically connected with the controller, and the controller is electrically connected with the telescopic oil cylinder.

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