CN108915713B - Secondary crushing device of push bench - Google Patents
Secondary crushing device of push bench Download PDFInfo
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- CN108915713B CN108915713B CN201810844720.4A CN201810844720A CN108915713B CN 108915713 B CN108915713 B CN 108915713B CN 201810844720 A CN201810844720 A CN 201810844720A CN 108915713 B CN108915713 B CN 108915713B
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- 238000000429 assembly Methods 0.000 claims abstract description 38
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- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
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- 241001330002 Bambuseae Species 0.000 claims description 7
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- 239000011425 bamboo Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005755 formation reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
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- 230000009286 beneficial effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
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- Environmental & Geological Engineering (AREA)
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- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a secondary crushing device of a push bench, which comprises a push bench body, wherein the push bench body comprises a shell and a cabin barrel coaxially and fixedly arranged at the end part of the shell, and is characterized by comprising: the secondary crushing mechanism comprises a hollow truncated cone-shaped crushing bin with an opening at the large end, one end of the crushing bin is fixedly connected with the end part of the shell in a coaxial mode, the other end of the crushing bin is fixedly connected with the inner side wall of the cabin barrel, a plurality of groups of crushing assemblies are fixedly arranged on the lower portion of the side wall of the crushing bin at intervals, and each group of crushing assemblies comprises a plurality of first crushing tools welded at equal intervals; each group of crushing assemblies are positioned on different generatrices of the crushing bin, the central angle of the vertical section where the plurality of groups of crushing assemblies are positioned is 100-degree plus 120-degree, and the angular bisector of the central angle is positioned under the central axis of the crushing bin. The invention can carry out secondary crushing on the crushed objects entering the push bench body, reduce the particle size of the crushed objects, reduce the 'discharge stagnation' phenomenon caused by the blockage of the slurry discharge pipeline and realize the effect of continuous slurry discharge.
Description
Technical Field
The invention relates to the technical field of pipe jacking construction. More specifically, the invention relates to a secondary crushing device of a push bench.
Background
The jacking pipe is particularly important in engineering construction of water supply, drainage, electric power, comprehensive pipe galleries and the like, particularly in urban centers with dense population and heavy traffic. Nowadays, the concept of innovation and development along with the current times is deeply mastered. The development of the city can not leave the perfection of the underground comprehensive pipe gallery, the construction amount of underground pipelines can be greatly increased, and the application of the pipe jacking technology and the trenchless technology can be more and more extensive. Particularly, soft soil treatment in coastal cities such as long delta and bead delta adopts flexible materials such as plastic drainage plates in a large proportion, and planned underground pipe gallery lines inevitably pass through a reinforcing area and other barrier sections. The cutter head of the existing push bench cannot completely cut up the plastic drainage plate with good flexibility and the rock with high hardness, so that the plastic drainage plate and the hard rock block a slurry discharge channel, and the phenomenon of 'discharge stagnation' of the push bench is caused.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a secondary crushing device of the push bench, which can perform secondary crushing on crushed objects entering the push bench body, reduce the particle size of the crushed objects, reduce the 'discharge stagnation' phenomenon caused by blockage of a slurry discharge pipeline and realize the effect of continuous slurry discharge.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a secondary crushing device of a push bench, including a push bench body including a shell and a trunk coaxially fixed with an end of the shell, comprising:
the secondary crushing mechanism comprises a hollow round table-shaped crushing bin with an open large end, one end of the crushing bin is fixedly connected with the end part of the shell in a coaxial mode, the other end of the crushing bin is fixedly connected with the inner side wall of the cabin barrel, multiple groups of crushing assemblies are fixedly arranged on the lower portion of the side wall of the crushing bin at intervals, and each group of crushing assemblies comprises a plurality of first crushing tools welded at equal intervals.
Preferably, each group of crushing assemblies is located on different generatrices of the crushing bin, the central angle of the vertical section where the plurality of groups of crushing assemblies are located is 100-120 degrees, and the angular bisector of the central angle is located under the central axis of the crushing bin.
Preferably, when the pipe jacking machine body is used for a flexible barrier, the first crushing tool is a blade-shaped first crushing cutter, the first crushing cutter is perpendicular to a bus of the crushing bin where the first crushing cutter is located, and when the pipe jacking machine body is used for a hard rock stratum, the first crushing tool is a long-strip-shaped first wear-resistant strip.
Preferably, a material guiding bin is formed between the crushing bin and the bin barrel, and a plurality of slurry discharging holes penetrate through the side wall of the crushing bin between any two adjacent groups of crushing assemblies at intervals so as to discharge crushed materials into the material guiding bin.
Preferably, be equipped with main top hydro-cylinder in the casing, the output shaft of main top hydro-cylinder is rotatable to be passed the casing tip is located in the cabin section of thick bamboo, main top hydro-cylinder is located the coaxial blade disc that can dismantle of output shaft in the cabin section of thick bamboo, the blade disc is close to the surface of casing tip sets firmly a plurality of brackets along its circumference interval, the bracket include one end with the rake of blade disc rigid coupling and with the perpendicular portion of rake other end rigid coupling, the perpendicular portion with the output shaft of main top hydro-cylinder can be dismantled perpendicularly and be connected, wherein, the rake broken storehouse generating line with the contained angle of main top hydro-cylinder output shaft equals.
Preferably, the slope portion welds a plurality of second crushing tools at equal intervals along its length direction, when the pipe pushing jack body during operation, a plurality of second crushing tools that are located on same slope portion one-to-one pass the space between two adjacent first crushing tools in same group's broken subassembly, work as when the pipe pushing jack body is used for flexible barrier, the second crushing tool is blade form second crushing sword, just the second crushing sword with the slope portion sets up perpendicularly, works as when the pipe pushing jack body is used for the hard rock stratum, second crushing tool is rectangular form second wear strip.
Preferably, the height of the first crushing knife and the height of the second crushing knife are both 35-45mm, the length of the first crushing knife and the length of the second crushing knife are both 55-65mm, and the thickness of the first crushing knife and the thickness of the second crushing knife are both 35-45 mm.
Preferably, the slope portion is followed the outer edge of blade disc sets up, the number of bracket is the even number, still includes:
the first smashing assembly comprises triangular first shearing plates which are arranged in one-to-one correspondence with the corbels, one edge of each first shearing plate is arranged along the length direction of the inclined portion and is equal to the length of the inclined portion, the other edge of each first shearing plate is arranged along the length direction of the vertical portion and is equal to the length of the vertical portion, the rest edge of each first shearing plate is of a blade-shaped structure, a plurality of third wear-resistant strips are fixedly arranged on two surfaces of each first shearing plate along the length direction of the inclined portion at intervals, one ends of the third wear-resistant strips are fixedly connected with the inclined portion, each third wear-resistant strip is perpendicular to the inclined portion, a plurality of through holes penetrate through the first shearing plates at even intervals, and the edges of the through holes are of the blade-shaped structures;
the second crushing assemblies comprise a plurality of rows of second shearing plates which are arranged at intervals along the circumferential direction of the main jacking oil cylinder output shaft, each row of second shearing plates comprise a plurality of isosceles triangle second shearing plates which are arranged at intervals along the length direction of the main jacking oil cylinder output shaft, the second shearing plates are arranged along the length direction of the main jacking oil cylinder output shaft, and each row of second shearing plates are positioned between any two adjacent groups of first crushing assemblies in a one-to-one correspondence manner;
the transition assembly comprises a transition plate clamped between every two adjacent brackets, the transition plate comprises an arc part and a triangular part, the arc part is arranged along the length direction of the inclined part, the triangular part is fixedly connected with the arc part and is arranged along the length direction of the vertical part, the circle center of the circle of the vertical section of the arc part is positioned on the central axis of the crushing bin, one of the arc parts of any two adjacent arc parts is uniformly provided with a plurality of first discharge ports, second discharge ports and third discharge ports in a penetrating way, the diameters of the first discharge ports, the second discharge ports and the third discharge ports are sequentially increased, the number of the first discharge ports, the second discharge ports and the third discharge ports is sequentially reduced, the surface of the other arc part close to the crushing bin is provided with a plurality of rows of wear-resistant assemblies at intervals along the width direction of the arc part, each row of wear-resistant assemblies comprises a plurality of fourth wear-resistant strips at intervals along the bus direction of the crushing bin, every fourth wear-resisting strip all follows the generating line direction setting in broken storehouse, push bench body during operation, a plurality of fourth wear-resisting strips one-to-one that are arranged in same row of wear-resisting subassembly pass the top of a plurality of first crushing tools in same group of broken subassembly, wherein, the diameter of first discharge gate with the diameter of through hole equals, the edge of first discharge gate, second discharge gate, third discharge gate is cutting edge column structure.
The invention at least comprises the following beneficial effects:
according to the secondary crushing device of the push bench, the crushing bin and the crushing assembly are arranged, so that crushed objects entering the push bench body can be crushed secondarily, the particle size of the crushed objects is reduced, the phenomenon of 'stagnation discharge' caused by winding of a cutter head main shaft is prevented, the phenomenon of blockage of a slurry discharge pipeline is reduced, continuous slurry discharge is realized, and the working efficiency is improved.
Secondly, the crushing assemblies are arranged, and the central angles of the vertical sections of the groups of the crushing assemblies are 100 degrees and 120 degrees, so that the crushed objects can be crushed for the second time, the crushed materials are prevented from blocking a slurry discharge channel, the weight of a crushing bin can be reduced, and the service time of the crushing bin is prolonged; the arrangement of the first crushing cutter and the first wear-resistant strip enables the push bench body to be suitable for both flexible barriers and hard rock layers, and the application range of the push bench body is enlarged.
Thirdly, the bracket is arranged, and the crushed objects can be secondarily crushed by extrusion between the inclined part and the crushing bin, so that the crushed objects are prevented from being accumulated in the pulp discharge hole, the blocking frequency of the pulp discharge channel is reduced, the crushed objects are continuously discharged, the working efficiency is improved, and the workload is reduced; set up the broken instrument of second, on the one hand through set up the broken instrument of second on the rake, can improve the crushing effect of secondary crushing, reduce the particle diameter of broken thing, prevent that broken thing from blockking up row thick liquid pipeline, improve row's thick liquid efficiency, on the other hand smashes the sword through setting up the second and the wear-resisting strip of second realizes that the pipe push bench body is applicable in multiple stratum to enlarge the application range of pipe push bench body, prolong the live time of pipe push bench body.
The fourth, set up first crushing unit, set up the first shear plate of triangle-shaped just on the one hand an border of first shear plate the length direction of rake sets up, another border the length direction of vertical part sets up, this kind of setting has not only realized the further breakage to broken thing, and can increase the stability of first shear plate, the live time of the first shear plate of extension, on the other hand sets up the wear-resisting strip of third, not only improved the secondary crushing effect to broken thing, but also can increase the overall stability of first shear plate, reduce the change frequency of first shear plate, and simultaneously, set up the through hole, make broken thing wear out by the through hole at rotatory in-process, alleviate the bearing capacity of first shear plate, and then the live time of extension second shear plate.
Fifth, set up the crushing unit of second, this kind of setting can realize further breakage to broken thing, and the second clipboard is established to isosceles triangle and not only can increase the area of contact of second clipboard and broken thing simultaneously, improves crushing effect, can improve the stability of second clipboard moreover.
Sixthly, a transition component is arranged, on one hand, an arc-shaped part is arranged, and a first discharge hole, a second discharge hole and a third discharge hole are arranged on the arc-shaped part, the arrangement not only can increase the contact area of the crushed objects and the first crushing tool and the second crushing tool and improve the secondary crushing effect, and the crushed objects can gradually enter between the arc-shaped part and the crushing bin through the first discharge port, the second discharge port and the third discharge port, the blockage of the pulp discharge hole by the crushed objects is reduced, the continuous pulp discharge of the push bench body is realized, the working efficiency is improved, and on the other hand, the fourth wear-resistant strip is arranged, and a plurality of fourth wear strips positioned in the same row of wear-resistant assemblies correspondingly penetrate above a plurality of first crushing tools in the same group of crushing assemblies one by one, this kind of setting can be broken once more to the broken thing of card between adjacent two sets of broken subassemblies, avoids broken thing to block up row's thick liquid hole.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of a secondary crushing device of a push bench according to one embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a crushing bin according to one embodiment of the present invention;
FIG. 3 is an enlarged view of A in FIG. 1;
FIG. 4 is a schematic structural diagram of a secondary crushing device of a push bench according to one of the technical solutions of the present invention;
FIG. 5 is a schematic structural diagram of a transition assembly according to one embodiment of the present invention;
fig. 6 is a schematic structural diagram of the first pulverizing assembly according to one embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-6, the present invention provides a secondary crushing device for a push bench, which comprises a push bench body, wherein the push bench body comprises a shell 1 and a cabin barrel 3 coaxially and fixedly arranged at the end of the shell 1, and the secondary crushing device comprises:
the secondary crushing mechanism comprises a hollow truncated cone-shaped crushing bin 4 with an open large end, one end of the crushing bin 4 is fixedly connected with the end part of the shell 1 in a coaxial mode, the other end of the crushing bin is fixedly connected with the inner side wall of the cabin barrel 3, multiple groups of crushing assemblies are fixedly arranged on the lower portion of the side wall of the crushing bin 4 at intervals, and each group of crushing assemblies comprises a plurality of first crushing tools 401 welded at equal intervals.
In this kind of technical scheme, the small end of the broken storehouse 4 is with the tip rigid coupling of casing 1, the big end of broken storehouse 4 with the inside wall rigid coupling of cabin section of thick bamboo 3, in the use, broken thing gets into in broken storehouse 4, under the action of the gravity of broken thing, makes between broken thing and the first crushing unit extrude, carries out the secondary crushing to broken thing through first crushing unit. By adopting the technical scheme, the secondary crushing device of the push bench can perform secondary crushing on crushed objects entering the push bench body by arranging the crushing bin 4 and the crushing assembly, reduce the particle size of the crushed objects, prevent the main shaft of the cutter head 5 from being wound, reduce the 'discharge stagnation' phenomenon caused by the blockage of a slurry discharge pipeline, realize continuous slurry discharge and improve the working efficiency.
In another technical scheme, each group of crushing assemblies are located on different generatrices of the crushing bin 4, the central angle of the vertical section where the plurality of groups of crushing assemblies are located is 100-120 degrees, and the angular bisector of the central angle is located under the central axis of the crushing bin 4. Adopt this technical scheme, this kind of setting not only can realize and then the secondary crushing to broken thing, prevents that broken thing from blockking up the thick liquid passageway of row and can alleviate the weight in broken storehouse 4, prolongs the live time in broken storehouse 4.
In another technical scheme, when the pipe pushing jack body is used for a flexible barrier, the first crushing tool 401 is a blade-shaped first crushing cutter, the first crushing cutter is perpendicular to a bus of the crushing bin 4 where the first crushing cutter is located, and when the pipe pushing jack body is used for a hard rock stratum, the first crushing tool 401 is a long-strip-shaped first wear-resistant strip. By adopting the technical scheme, the push bench body is suitable for both flexible barriers and hard rock strata, and the application range of the push bench body is expanded.
In another kind of technical scheme, broken storehouse 4 with form the bin of leading between the cabin section of thick bamboo 3, broken storehouse 4 is located the equal interval of lateral wall between arbitrary adjacent two sets of broken subassemblies and runs through and be equipped with a plurality of row's thick liquid holes 402 to lead the bin with broken thing discharge, lead the leading-in row's thick liquid passageway of push bench of broken thing through leading the bin. By adopting the technical scheme, the arrangement not only meets the requirement of discharging the crushed materials into the pulp discharge channel, but also does not influence the overall strength of the crushing bin 4 due to the arrangement of the pulp discharge holes 402, so that the service life of the crushing bin 4 is prolonged.
In another technical scheme, be equipped with main top hydro-cylinder 2 in casing 1, the output shaft of main top hydro-cylinder 2 is rotatable (rotatable implementation can be: the output shaft of main top hydro-cylinder with the tip of casing 1 passes through the bearing and connects) passes the casing 1 tip is located in a cabin section of thick bamboo 3, main top hydro-cylinder 2 is located the coaxial detachably connection of output shaft in a cabin section of thick bamboo 3 has blade disc 5 (the concrete implementation of detachable connection can be: the center of blade disc 5 runs through and is equipped with the fixed orifices, the inboard wall of fixed orifices with the output shaft butt of main top hydro-cylinder 2, the coaxial spiro union of free end of main top hydro-cylinder 2 output shaft has conical fixed block 7, the most advanced of fixed block 7 is kept away from blade disc 5 sets up, blade disc 5 with fixed block 7 is fixed through the mode of spiro union, blade disc 5 is close to the surface of casing 1 tip sets firmly a plurality of corbels along its, the bracket include one end with the rake 501 of 5 rigid couplings of blade disc and with the vertical portion 502 of the rigid coupling of the other end of rake 501, vertical portion 502 with the perpendicular connection of dismantling of the output shaft of main top hydro-cylinder 2 (can dismantle the concrete realization mode of connection can be: the coaxial locating piece that has set firmly of output shaft of main top hydro-cylinder 2, vertical portion 502 with the locating piece is fixed through the mode of spiro union), wherein, rake 501 the 4 generating line of broken storehouse (the broken storehouse 4 generating line specifically be with the generating line that the rake 501 is parallel) with the contained angle of main top hydro-cylinder 2 output shaft equals (the rake 501 with the contained angle of main top hydro-cylinder 2 output shaft with the contained angle of broken storehouse 4 generating line with the main top hydro-cylinder 2 output shaft equals). By adopting the technical scheme, the secondary crushing can be carried out on the crushed objects through the extrusion between the inclined part 501 and the crushing bin 4, the crushed objects are prevented from being accumulated in the pulp discharge hole 402 so as to reduce the blocking frequency of the pulp discharge channel, the continuous discharge of the crushed objects is realized, the working efficiency is improved, and the workload is reduced.
In another technical scheme, a plurality of second crushing tools 503 are welded to the inclined portion 501 at equal intervals along the length direction of the inclined portion 501, when the push bench body works, the plurality of second crushing tools 503 positioned on the same inclined portion 501 penetrate through a gap between two adjacent first crushing tools in the same group of crushing assemblies in a one-to-one correspondence manner, when the push bench body is used for a flexible obstacle, the second crushing tools 503 are blade-shaped second crushing cutters, the second crushing cutters are perpendicular to the inclined portion 501, and when the push bench body is used for a hard rock formation, the second crushing tools 503 are strip-shaped second wear-resistant strips. Adopt this technical scheme, on the one hand through set up second crushing tool 503 on the rake 501, can improve the crushing effect of secondary crushing, reduce the particle diameter of broken thing, prevent that broken thing from blockking up the thick liquid pipeline of arranging, improve and arrange thick liquid efficiency, on the other hand smashes the sword through setting up the second, and wear-resisting strip of second realizes that the pipe pushing jack body is applicable in multiple stratum to enlarge the application range of pipe pushing jack body, prolong the live time of pipe pushing jack body.
In another technical scheme, the height of the first crushing knife and the height of the second crushing knife are both 35-45mm, the length of the first crushing knife and the length of the second crushing knife are both 55-65mm, and the thickness of the first crushing knife and the thickness of the second crushing knife are both 35-45 mm. By adopting the technical scheme, the service life of the first crushing cutter and the second crushing cutter can be prolonged when the secondary material is satisfied by the arrangement, the phenomenon that the first crushing cutter and the second crushing cutter fall in the use process is avoided, and the working efficiency is improved.
In another technical scheme, slope 501 follows the outer edge setting of blade disc 5, the number of bracket is the even number, still includes:
a first crushing assembly, which includes triangular first shearing plates 504 arranged in one-to-one correspondence with the corbels, one of the first shearing plates 504 is arranged along the length direction of the inclined portion 501 and has the same length as the inclined portion 501, the other of the first shearing plates 504 is arranged along the length direction of the vertical portion 502 and has the same length as the vertical portion 502, the remaining one side is a blade-shaped structure, a plurality of third wear-resistant strips 505 are fixedly arranged on both surfaces of the first shearing plate 504 along the length direction of the inclined portion 501 at intervals, one end of each third wear-resistant strip 505 is fixedly connected with the inclined portion 501, and each third wear-resistant strip 505 is perpendicular to the inclined portion 501, wherein a plurality of through holes are uniformly arranged on the first shearing plate 504 at intervals in a penetrating manner, and the edges of the through holes are blade-shaped structures, so as to realize a re-crushing effect on the crushed objects;
the second crushing assemblies comprise a plurality of rows of second shearing plates 506 arranged at intervals along the circumferential direction of the output shaft of the main jacking cylinder 2, each row of second shearing plates 506 comprises a plurality of isosceles triangle second shearing plates 506 arranged at intervals along the length direction of the output shaft of the main jacking cylinder 2, the second shearing plates 506 are arranged along the length direction of the output shaft of the main jacking cylinder 2, and each row of second shearing plates 506 is positioned between any two adjacent groups of first crushing assemblies in a one-to-one correspondence manner;
the transition assembly comprises a transition plate clamped between every two adjacent brackets, the transition plate comprises an arc-shaped part 601 arranged along the length direction of the inclined part 501 and a triangular part 604 fixedly connected with the arc-shaped part 601 and arranged along the length direction of the vertical part 502, the circle center of the circle of the vertical section of the arc-shaped part is positioned on the central axis of the crushing bin 4, one arc-shaped part 601 of any two adjacent arc-shaped parts 601 is uniformly provided with a plurality of first discharge ports, second discharge ports 602 and third discharge ports 603 in a penetrating manner, the diameters of the first discharge ports, the second discharge ports 602 and the third discharge ports 603 are sequentially increased, the number of the first discharge ports, the second discharge ports 602 and the third discharge ports 603 is sequentially reduced, and the other arc-shaped part 601 is close to the surface of the crushing bin 4 (the surface fixedly connected with the inclined part 501) and fixedly provided with a plurality of rows of wear-resistant assemblies at intervals along the width direction of the arc-shaped part 601, each row of wear-resistant assemblies comprises a plurality of fourth wear-resistant strips 605 which are fixedly arranged along the bus direction of the crushing bin 4 at intervals, each fourth wear-resistant strip 605 is arranged along the bus direction of the crushing bin 4, when the tube push bench body works, the plurality of fourth wear-resistant strips 605 in the same row of wear-resistant assemblies correspondingly penetrate through the tops of a plurality of first crushing tools in the same group of crushing assemblies one by one (a certain gap is formed between the fourth wear-resistant strips 605 and the first crushing tools 401 during working), wherein the diameter of the first discharge hole is equal to that of the through hole, and the edges of the first discharge hole, the second discharge hole 602 and the third discharge hole 603 are all knife-edge-shaped structures so as to improve the crushing effect of crushed objects. By adopting the technical scheme, firstly, the first crushing assembly is arranged, on one hand, the triangular first shearing plate 504 is arranged, one edge of the first shearing plate 504 is arranged along the length direction of the inclined part 501, and the other edge of the first shearing plate 504 is arranged along the length direction of the vertical part 502, the arrangement not only realizes the further crushing of the crushed objects, but also can increase the stability of the first shearing plate 504 and prolong the service time of the first shearing plate 504, on the other hand, the third wear-resistant strip 505 is arranged, not only is the secondary crushing effect on the crushed objects improved, but also the overall stability of the first shearing plate 504 can be increased, the replacement frequency of the first shearing plate 504 is reduced, and meanwhile, the through holes are arranged, so that the crushed objects can penetrate through the through holes in the rotating process, the bearing capacity of the first shearing plate 504 is reduced, and the service time of the second shearing plate 506 is prolonged; secondly, the second crushing assembly is arranged, the crushed objects can be further crushed through the arrangement, and meanwhile the contact area between the second shearing plate 506 and the crushed objects can be increased due to the fact that the second shearing plate 506 is in an isosceles triangle shape, the crushing effect is improved, and the stability of the second shearing plate 506 can be improved; finally, a transition component is arranged, on one hand, an arc-shaped part 601 is arranged, and a first discharge hole, a second discharge hole 602 and a third discharge hole 603 are arranged on the arc-shaped part 601, so that the contact area between the crushed objects and the first crushing tool 401 and the second crushing tool 503 can be increased, the secondary crushing effect is improved, the crushed objects can gradually enter between the arc-shaped part 601 and the crushing bin 4 through the first discharge hole, the second discharge hole 602 and the third discharge hole 603, the blockage of the crushed objects on the pulp discharge hole 402 is reduced, the continuous pulp discharge of the tube push bench body is realized, the working efficiency is improved, on the other hand, a plurality of fourth wear-resistant strips 605 in the same row of wear-resistant components are arranged, and the plurality of fourth wear-resistant strips 605 in the same row of wear-resistant components correspondingly penetrate through the upper parts of the plurality of first crushing tools in the same group of crushing components one by one, and the arrangement can crush the, to avoid debris from clogging the discharge holes 402.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. The application, modification and variation of the secondary crushing device of the push bench of the invention are obvious to those skilled in the art.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (6)
1. Push bench secondary crushing device, including the push bench body, the push bench body include the casing, and with the cabin section of thick bamboo that the tip of casing is coaxial to set firmly, its characterized in that includes:
the secondary crushing mechanism comprises a hollow truncated cone-shaped crushing bin with an opening at the large end, one end of the crushing bin is fixedly connected with the end part of the shell in a coaxial mode, the other end of the crushing bin is fixedly connected with the inner side wall of the cabin barrel, a plurality of groups of crushing assemblies are fixedly arranged on the lower portion of the side wall of the crushing bin at intervals, and each group of crushing assemblies comprises a plurality of first crushing tools welded at equal intervals;
the shell is internally provided with a main jacking oil cylinder, an output shaft of the main jacking oil cylinder can rotatably penetrate through the end part of the shell to be positioned in the cabin barrel, the main jacking oil cylinder is positioned on the coaxial detachable connection of the output shaft in the cabin barrel, the surface of the cutter head close to the end part of the shell is fixedly provided with a plurality of corbels along the circumferential interval of the cutter head, each corbel comprises an inclined part with one end fixedly connected with the cutter head and a vertical part fixedly connected with the other end of the inclined part, the vertical part is vertically detachably connected with the output shaft of the main jacking oil cylinder, and the inclined part, the crushing bin bus and the included angle of the output shaft of the main jacking oil cylinder;
slope follows the outer edge of blade disc sets up, the number of bracket is the even number, still includes:
the first smashing assembly comprises triangular first shearing plates which are arranged in one-to-one correspondence with the corbels, one edge of each first shearing plate is arranged along the length direction of the inclined portion and is equal to the length of the inclined portion, the other edge of each first shearing plate is arranged along the length direction of the vertical portion and is equal to the length of the vertical portion, the rest edge of each first shearing plate is of a blade-shaped structure, a plurality of third wear-resistant strips are fixedly arranged on two surfaces of each first shearing plate along the length direction of the inclined portion at intervals, one ends of the third wear-resistant strips are fixedly connected with the inclined portion, each third wear-resistant strip is perpendicular to the inclined portion, a plurality of through holes penetrate through the first shearing plates at even intervals, and the edges of the through holes are of the blade-shaped structures;
the second crushing assemblies comprise a plurality of rows of second shearing plates which are arranged at intervals along the circumferential direction of the main jacking oil cylinder output shaft, each row of second shearing plates comprise a plurality of isosceles triangle second shearing plates which are arranged at intervals along the length direction of the main jacking oil cylinder output shaft, the second shearing plates are arranged along the length direction of the main jacking oil cylinder output shaft, and each row of second shearing plates are positioned between any two adjacent groups of first crushing assemblies in a one-to-one correspondence manner;
the transition assembly comprises a transition plate clamped between every two adjacent brackets, the transition plate comprises an arc part and a triangular part, the arc part is arranged along the length direction of the inclined part, the triangular part is fixedly connected with the arc part and is arranged along the length direction of the vertical part, the circle center of the circle of the vertical section of the arc part is positioned on the central axis of the crushing bin, one of the arc parts of any two adjacent arc parts is uniformly provided with a plurality of first discharge ports, second discharge ports and third discharge ports in a penetrating way, the diameters of the first discharge ports, the second discharge ports and the third discharge ports are sequentially increased, the number of the first discharge ports, the second discharge ports and the third discharge ports is sequentially reduced, the surface of the other arc part close to the crushing bin is provided with a plurality of rows of wear-resistant assemblies at intervals along the width direction of the arc part, each row of wear-resistant assemblies comprises a plurality of fourth wear-resistant strips at intervals along the bus direction of the crushing bin, every fourth wear-resisting strip all follows the generating line direction setting in broken storehouse, push bench body during operation, a plurality of fourth wear-resisting strips one-to-one that are arranged in same row of wear-resisting subassembly pass the top of a plurality of first crushing tools in same group of broken subassembly, wherein, the diameter of first discharge gate with the diameter of through hole equals, the edge of first discharge gate, second discharge gate, third discharge gate is cutting edge column structure.
2. The secondary crushing device of the push bench as claimed in claim 1, wherein each group of crushing assemblies is located on different generatrices of the crushing bin, the central angle of the vertical section where the plurality of groups of crushing assemblies are located is 100-120 degrees, and the angular bisector of the central angle is located right below the central axis of the crushing bin.
3. The secondary crushing device of the push bench as claimed in claim 1, wherein when the push bench body is used for flexible obstacles, the first crushing tool is a blade-shaped first crushing cutter, the first crushing cutter is arranged perpendicular to a bus of the crushing bin where the first crushing cutter is located, and when the push bench body is used for hard rock formations, the first crushing tool is a long-strip-shaped first wear-resistant strip.
4. The secondary crushing device of the push bench as claimed in claim 1, wherein a material guiding bin is formed between the crushing bin and the cabin, and a plurality of slurry discharging holes are formed at intervals on the side wall of the crushing bin between any two adjacent groups of crushing assemblies so as to discharge crushed materials into the material guiding bin.
5. The secondary crushing device of the pipe pushing jack of claim 3, wherein a plurality of second crushing tools are welded at equal intervals along the length direction of the inclined portion, when the pipe pushing jack body works, the plurality of second crushing tools on the same inclined portion penetrate through gaps between two adjacent first crushing tools in the same group of crushing assemblies in a one-to-one correspondence mode, when the pipe pushing jack body is used for a flexible obstacle, the second crushing tools are blade-shaped second crushing cutters, the second crushing cutters are arranged perpendicular to the inclined portion, and when the pipe pushing jack body is used for a hard rock stratum, the second crushing tools are second wear-resistant strips in a strip shape.
6. The secondary crushing device of the push bench of claim 5, wherein the first crushing cutter and the second crushing cutter are 35-45mm in height, 55-65mm in length and 35-45mm in thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810844720.4A CN108915713B (en) | 2018-07-27 | 2018-07-27 | Secondary crushing device of push bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810844720.4A CN108915713B (en) | 2018-07-27 | 2018-07-27 | Secondary crushing device of push bench |
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| Publication Number | Publication Date |
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| CN108915713A CN108915713A (en) | 2018-11-30 |
| CN108915713B true CN108915713B (en) | 2020-05-12 |
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| CN201810844720.4A Active CN108915713B (en) | 2018-07-27 | 2018-07-27 | Secondary crushing device of push bench |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110295916B (en) * | 2019-07-09 | 2024-05-17 | 中亿丰建设集团股份有限公司 | Rock push bench |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2611712Y (en) * | 2003-03-24 | 2004-04-14 | 余彬泉 | Multi-edge crushed slurry push bench |
| CN202597899U (en) * | 2012-01-09 | 2012-12-12 | 江苏广泓重工设备有限公司 | Slurry pipe push bench with secondary crushing function |
| CN206513376U (en) * | 2017-01-10 | 2017-09-22 | 佛山市康思达液压机械有限公司 | A kind of hard rock push-bench with second-time breakage function |
| CN206860187U (en) * | 2017-06-19 | 2018-01-09 | 安徽唐兴机械装备有限公司 | A kind of adjustable second-time breakage structure of rock push-bench |
| CN206823958U (en) * | 2017-06-23 | 2018-01-02 | 成都金玉雄辉建筑工程有限公司 | Push-bench with crusher chamber |
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Address after: No. 29 Park Avenue XiXiangTang District, Nanning city 530007 the Guangxi Zhuang Autonomous Region Applicant after: China Railway Tunnel Bureau Group Construction Co., Ltd. Address before: No. 29 Park Avenue XiXiangTang District, Nanning city 530007 the Guangxi Zhuang Autonomous Region Applicant before: SICHU CO., LTD. OF CHINA RAILWAY TUNNEL Group |
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Inventor after: Jiao Yi Inventor after: Zhang Quanchao Inventor after: Zheng Qingban Inventor after: Mo Zhibiao Inventor after: Jiao Xumeng Inventor after: Yong Jie Qin Inventor after: Zhang Yulong Inventor after: Feng Jinyong Inventor after: Huang Weihua Inventor after: Chen Shikai Inventor before: Zheng Qingban Inventor before: Zhang Quanchao Inventor before: Jiao Yi Inventor before: Mo Zhibiao Inventor before: Jiao Xumeng Inventor before: Yong Jie Qin Inventor before: Zhang Yulong Inventor before: Feng Jinyong Inventor before: Huang Weihua Inventor before: Chen Shikai |
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