CN111282703B

CN111282703B - Mobile crusher and installation method thereof

Info

Publication number: CN111282703B
Application number: CN202010237238.1A
Authority: CN
Inventors: 黄康华; 黄珠芹; 齐进
Original assignee: Guangxi Meista Engineering Machinery Equipment Co ltd
Current assignee: Guangxi Meista Engineering Machinery Equipment Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2024-02-27
Anticipated expiration: 2040-03-30
Also published as: CN111282703A

Abstract

The invention discloses a mobile crusher, which comprises a crushing system and a traveling system, wherein the traveling system consists of a front frame, a power driving assembly, a crawler traveling assembly, a conveying device and a lower end supporting frame, the crushing system consists of a rear frame, a crushing main machine, a feeding hopper and a damping device, the lower end supporting frame is fixed on the crawler traveling assembly through bolts, the bottom end of the rear frame and the bottom end of the front frame are fixed on the crawler traveling assembly through the lower end supporting frame, the crushing main machine is fixed on the rear frame, the feeding hopper is fixed at the rear end of the rear frame, the two side parts of the rear frame are fixed on the side parts of the lower end supporting frame through the damping device, one end of the conveying device is fixed below a discharge hole of the crushing main machine, and the other end of the conveying device obliquely extends to the outer side of the front end of the front frame from the lower direction of the discharge hole of the crushing main machine. The invention can effectively avoid the damage rate of disassembly and assembly and transportation, saves the transportation cost and improves the safety of transportation and installation.

Description

Mobile crusher and installation method thereof

Technical Field

The invention belongs to the technical field of crushing mechanical equipment, and particularly relates to a mobile crusher and an installation method thereof.

Background

The crushing and screening equipment is mainly divided into a fixed crusher and a movable crusher, is mainly used for the operation processing of mobile stones such as highways, railways, hydroelectric engineering and the like, and can be configured in various modes according to the types of processing raw materials, the scale and the requirements of finished products. At present, whether a fixed crusher or a mobile crusher is used in the market, in the stone processing operation process, a plurality of adverse effects are brought to construction units in the aspects of engineering progress, construction cost, equipment management and the like, and the main reasons are that: the investment construction period is long, the input auxiliary equipment is large, the equipment occupies a large area, the lifting equipment with certain capacity is required to carry, the equipment is difficult to transfer, besides the lifting equipment is required, a plurality of large-scale transportation equipment is required to be stored, a certain field is also required, the daily maintenance cost is high, the equipment is inconvenient to transfer, the equipment is required to be reinstalled after transfer, the installation and debugging period is long, the equipment disassembly and assembly and transportation damage rate is high, the daily maintenance cost is also high, the crushing and screening equipment structure is fixed and is not easy to adjust, the capacity and the efficiency of crushing and screening are seriously affected, and the equipment is difficult to adapt to the processing operation under the severe environment.

Disclosure of Invention

The invention aims to provide a movable crusher and an installation method thereof, and the movable jaw crusher can effectively avoid disassembly and assembly and transportation damage rate, save transportation cost, improve transportation and installation safety and can be suitable for crushing and processing operation in severe environments. In order to achieve the above purpose, the present invention adopts the following technical scheme:

according to one aspect of the invention, there is provided a mobile crusher comprising a crushing system and a travelling system, the travelling system comprising a front frame, a power drive assembly, a crawler travelling assembly, a conveyor and a lower end support frame, the crushing system comprising a rear frame, a crushing main frame, a hopper and a shock absorber, the lower end support frame being bolted to the crawler travelling assembly, the bottom end of the rear frame being detachably mounted to the lower end support frame by bolts, whereby the bottom end of the rear frame is mounted to the crawler travelling assembly by the lower end support frame, the front frame being fixedly mounted to the crawler travelling assembly by the lower end support frame such that the front frame and the rear frame are distributed on the same horizontal surface plane of the lower end support frame, the crushing main frame being fixedly mounted to the rear frame, the hopper being positioned above the rear of the crushing main frame, the discharge opening of the hopper being in communication with the inlet of the crushing main frame, the two side portions of the rear frame being fixedly mounted to the lower end support frame, the shock absorber being fixedly mounted to the lower end support frame from the lower end of the crawler travelling assembly, the conveyor being fixedly mounted to the other end of the crawler travelling assembly.

The above scheme is further preferable, the lower end supporting frame is formed by welding and superposing and fixing the edge of the upper layer supporting frame and the edge of the lower layer supporting frame, a conveying channel is formed between the upper layer supporting frame and the lower layer supporting frame, the feeding end of the conveying device penetrates from the front end of the conveying channel between the upper layer supporting frame and the lower layer supporting frame to be close to the rear end, the upper layer supporting frame comprises an upper horizontal supporting beam formed by two parallel H-shaped steel and a plurality of upper transverse supporting beams fixed between the two upper horizontal supporting beams, the lower layer supporting frame comprises a lower horizontal supporting beam formed by two parallel H-shaped steel and a plurality of lower transverse supporting beams fixed between the two lower horizontal supporting beams, the upper horizontal supporting beams and the lower horizontal supporting beams are mutually superposed and welded, the conveying channel for installing the conveying device is formed between the upper transverse supporting beams and the lower transverse supporting beams, two sides between the lower edges of the upper horizontal supporting beams and the lower edges of the lower horizontal supporting beams or the lower edges of the lower horizontal supporting beams outwards extend to be used for supporting the damping supporting tables of the damping device, the top ends of the damping device are respectively fixed at two sides of the rear end of the damping device and the upper supporting table is fixed at the upper end of the damping device.

In the above aspect, it is further preferable that a sliding support groove for placing the rear frame is provided on the surface of the upper horizontal support beam, and the sliding support groove is directly connected to the rear end of the rear frame along the surface of the upper horizontal support beam below the front end of the rear frame.

In the above scheme, it is further preferable that a detachable limit beam is arranged at the front end between the two lower horizontal support beams, and the feeding end of the conveying device gradually penetrates into the conveying channel from the upper surface of the limit beam, so that the feeding end of the conveying device is stopped at a position 0.8 m-1.5 m away from the rear end of the lower horizontal support beam; and conveying installation seats are arranged on the opposite inner sides of the two lower horizontal support beams, and the conveying device is fixed on the lower horizontal support beams through the conveying installation seats.

The above scheme is further preferable that the two sides of the rear frame are respectively provided with a supporting and fixing shell, the side parts of the supporting and fixing shell outwards extend out to form a plurality of fastening parts which are parallel to each other, the supporting and fixing shell is fixed on the two sides of the rear frame through the fastening parts, the top ends of the damping devices are respectively fixed on the two sides of the rear frame through the supporting and fixing shell, and the lower ends of the damping devices are fixed on the damping supporting table.

Above-mentioned scheme is further preferred, damping device includes shock attenuation base, shock attenuation back shaft and damping spring, the top of shock attenuation back shaft is vertical upwards to insert and supports fixed casing internal fixation, the lower extreme of shock attenuation back shaft is fixed on the shock attenuation base shock attenuation back shaft outer wall cover is established damping spring, the shock attenuation base is fixed on the shock attenuation supporting bench.

Above-mentioned scheme is further preferred the both sides edge of shock attenuation base is provided with the shock attenuation sideboard of upwarping be provided with two vertical ascending shock attenuation support otic placodes in the shock attenuation base and between the shock attenuation sideboard at both sides edge, the lower extreme of shock attenuation back shaft insert between two shock attenuation support otic placodes and with shock attenuation base's surface contact, the lower extreme of shock attenuation back shaft passes through the axis of rotation with two shock attenuation support otic placodes and rotates to be connected.

The above scheme is further preferable that a reinforcing rib plate is arranged between the outer side wall of the shock-absorbing support ear plate and the surface of the shock-absorbing base, and the shock-absorbing support shaft is a telescopic support shaft.

In the above scheme, preferably, the two side edges of the upper surface of the front frame and the two side edges of the upper surface of the rear frame are respectively provided with a fence; the upper end of the first crawling ladder is rotationally connected to the side walls of the two sides of the front frame, and the rear side of the lower end of the first crawling ladder is connected to the crawler travel assembly through the support connecting frame; the crawler belt walking device is characterized in that second crawling ladders are arranged on side walls of two sides of the rear rack, at least one connecting plate is arranged on the rear side of the second crawling ladder, the upper end of the second crawling ladder is rotationally connected to the side portions of two sides of the rear rack, and the rear side of the lower end of the second crawling ladder is connected to the crawler belt walking assembly through the connecting plate.

According to another aspect of the present invention, there is provided a method of installing a mobile crusher, comprising the steps of:

step 1: firstly, assembling a crawler traveling assembly, a lower end supporting frame, a front frame and a power driving assembly into a traveling system, assembling a rear frame, a crushing main machine, a feeding hopper and a damping device into a crushing system, transferring the traveling system and the crushing system to a construction operation site, installing and fixing the traveling system, and then controlling the front end of the rear frame of the crushing system to slowly slide to the front end along the rear end of the lower end supporting frame, so that the surface of the rear frame can be slidably fixed on the lower end supporting frame;

step 2: the method comprises the steps of putting a conveying device into a conveying channel formed in a lower end supporting frame from a front frame, fixing the conveying device into the lower end supporting frame, fixing the lower end of a damping device on a damping supporting table at the side part of the lower end supporting frame, fixedly connecting the damping device on the damping supporting table through bolts, adjusting the heights of the damping devices at two sides of a rear frame, enabling the rear frame to be firmly and fittingly placed on the lower end supporting frame to form a damping gap space, enabling the distance between the damping gap space to be not more than 0.6 mm-2 mm, forming damping acting force between the damping device and the rear frame, and performing crushing operation after installation and debugging are finished;

Step 3: after the crushing operation is finished, the height of the damping device is adjusted again, bolts connected between the rear frame and the lower end support frame are disassembled, the rear frame of the traveling system is controlled to slowly slide to the rear end along the lower end support frame, the crushing system is separated from the traveling system, the crushing system is lifted away from the traveling system, and finally the traveling system is operated and controlled to move.

In summary, the invention adopts the technical scheme, and has the following technical effects:

(1) The main structure of the whole machine is that the section bar is processed, and the whole machine is convenient to manufacture, process, install, disassemble, transport and maintain. Excessive vibration occurs between a crushing system and a traveling system in the crushing process through the damping device, the front frame is detachably matched with the crawler type moving and crushing station to be installed and transported and the front frame is transported and walked through the crawler assembly, the front frame is applicable to installation and crushing operation on severe road conditions and working sites, the front frame is convenient to transition, the transportation cost is greatly reduced during transportation, and a large amount of installation and debugging cost is saved when the front frame enters the crushing operation area.

(2) The crusher avoids the damage rate of disassembly and transportation, saves the transportation cost and improves the safety of transportation and installation; after transition, reinstallation is needed, so that the installation and debugging period is reduced, the productivity and efficiency of the crusher can be improved, and the crushing and processing operation under severe environments can be adapted.

Drawings

FIG. 1 is a schematic view of the general structure of a mobile crusher of the present invention;

FIG. 2 is a schematic general structure of a mobile crusher according to the present invention after separation;

FIG. 3 is a schematic view of the mounting structure of the front frame, rear frame and lower support frame of the present invention;

FIG. 4 is a schematic view of the structure of the lower end support frame of the present invention;

FIG. 5 is a schematic view of the structure of the H-shaped fastening support frame of the present invention;

FIG. 6 is a schematic view of the mounting structure of the support fixing housing and the shock absorbing device of the present invention;

FIG. 7 is a schematic general construction of the inventive conveyor;

FIG. 8 is a cross-sectional view of an inventive conveyor;

FIG. 9 is a schematic view of the structure of the inventive conveyor support frame;

FIG. 10 is an axial view of the inventive conveyor support frame;

fig. 11 is a schematic structural view of an inventive aligning idler assembly;

fig. 12 is an axial view of an inventive aligning idler assembly

Fig. 13 is a schematic view of the structure of the inventive upper rotating idler assembly;

fig. 14 is a schematic view of the structure of the inventive upper rotating idler assembly;

FIG. 15 is a schematic view of the structure of the first and second support webs of the invention;

FIG. 16 is a schematic view of the mounting structure of the L-shaped edge support plate of the invention;

in the drawing, a front frame 1, a rear frame 2, a crawler traveling assembly 3, a power driving assembly 4, a crushing main machine 5, a conveying device 6, a damping device 8, a feeding hopper 7, a lower end supporting frame 9, a first ladder stand 10, a supporting connecting frame 11, a second ladder stand 20, a connecting plate 21, a conveying channel 60, a conveying supporting frame 61, a driving belt 62, a reducing motor 63, a driving roller 64, a driven roller 65, a tensioning adjusting device 66, a connecting seat 67 and a material protection plate 68;

Gantry brace 601, upper rotating idler assembly 602, lower rotating idler 603, scraper 604, aligning idler assembly 605, lower joist 605a, upper adjusting joist 605b, aligning idler 605c, offset adjusting roller 605d, fixed support 605e, first rotary shaft 605f, idler bracket g, L-shaped support shaft 605h, tension spring 605i, L-shaped blocking block 605j; a carrier roller mounting support plate 6021, a carrier roller connecting plate assembly 6022, an l-shaped edge support plate 6023, a left carrier roller 6024, a middle carrier roller 6025, a right carrier roller 6026, a fixed support plate 60210, a second rotary shaft 60211, a limiting piece 60212, a carrier roller mounting bottom plate 60220, a first support connecting plate 60221, a second support connecting plate 60222, a fixed connecting part 60223, a clamping interface 60224, a screw hole 60225, a screw 60226, a support pallet 60227, and a guide roller 60231;

the shock-absorbing base 80, the shock-absorbing supporting shaft 81, the shock-absorbing spring 82, the shock-absorbing sideboard 83, the shock-absorbing supporting lug 84, the rotating shaft 85, the reinforcing rib plate 86, the upper horizontal supporting beam 90a, the lower horizontal supporting beam 91a, the limiting beam 91b, the conveying installation seat 91c, the shock-absorbing supporting table 92, the sliding supporting groove 93, the H-shaped buckling supporting frame 94 and the supporting groove plate 95.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below by referring to the accompanying drawings and by illustrating preferred embodiments. It should be noted, however, that many of the details set forth in the description are merely provided to provide a thorough understanding of one or more aspects of the invention, and that these aspects of the invention may be practiced without these specific details.

As shown in fig. 1, 2 and 3, according to the present invention, there is provided a mobile crusher including a crushing system composed of a front frame 1, a power driving assembly 4, a crawler travel assembly 3, a conveyor 6 and a lower support frame 9, and a traveling system composed of a rear frame 2, a crushing main frame 5, a loading hopper 7 and a shock absorber 8, the lower support frame 9 being fastened to the crawler travel assembly 3 by bolts, the bottom end of the rear frame 2 being detachably mounted to the lower support frame 9 by bolts, the bottom end of the rear frame 2 being mounted to the lower support frame 9 by detachable shock absorbing bolts, so that the bottom end of the rear frame 2 is mounted to the crawler travel assembly 3 by the lower support frame 9, the front frame 1 is fixedly arranged on the crawler traveling assembly 3 through a lower end supporting frame 9, so that the front frame 1 and the rear frame 2 are distributed on the same horizontal surface plane of the lower end supporting frame 9, the crushing main machine 5 is fixedly arranged on the rear frame 2, the feeding hopper 7 is fixedly arranged at the rear end of the rear frame 2, the feeding hopper 7 is positioned above the rear part of the crushing main machine 5, a discharge hole of the feeding hopper 7 is communicated with a feed hole of the crushing main machine 5, the bottom end of the feeding hopper 7 is fixed on the rear frame 2 through a supporting spring, and stone is gradually dropped into the crushing main machine 5 to be crushed in the vibration process by inertial vibration of the crushing main machine 5 in the processing operation process, so that the feeding convenience is realized, and the stone is continuously conveyed into a jaw crusher to be crushed; the damping devices 8 are fixedly arranged at the two side parts of the rear frame 2, the lower ends of the damping devices 8 are fixed on the side parts of the lower end supporting frame 9, when stones in the feeding hopper 7 fall into the crushing main machine 5 to be crushed, the crushing main machine 5 on the rear frame 2 is used for crushing, the lower surface of the rear frame 2 is contacted with the surface of the lower end supporting frame 9, and at the moment, the damping devices 8 on the side parts of the rear frame 2 play a role in buffering in the crushing process; one end of the conveying device 6 is fixed below the discharge port of the crushing main machine 5, the other end of the conveying device 6 extends obliquely to the outer side of the front end of the front frame 1 from the lower direction of the discharge port of the crushing main machine 5, and the power driving assembly 4 is in transmission connection with the crawler traveling assembly 3; the stone material in the feeding hopper 7 falls into the crushing host machine 5 for crushing, the stone material crushed by the crushing host machine 5 falls onto the conveying device 6, and the conveying device 6 transfers the crushed stone material to the front end of the front frame 1, so that the crusher is conveniently installed and the crushed stone material is conveniently transferred. In the invention, when crushing operation is carried out, the crawler traveling assembly 3, the lower end supporting frame 9, the front frame 1 and the power driving assembly 4 are assembled and formed into a crushing traveling system, the rear frame 2, the crushing main machine 5, the upper hopper 7 and the damping device 8 are assembled and formed into a crushing system, after the crushing traveling system and the crushing system are transported to a construction operation site, the crushing traveling system is controlled to move to the lower part of the rear frame 2, the lower end supporting frame 9 is positioned below the front end of the rear frame 2 and can be mutually matched and installed, then the front end of the rear frame 2 of the crushing system is controlled to slowly slide to the front end along the rear end of the lower end supporting frame 9, the rear frame 2 is completely placed on the lower end supporting frame 9, the conveying device 6 is inserted into a conveying channel 60 formed in the lower end supporting frame 9 from the front frame 1, the lower end of the damping device 8 is fixed on the side part of the lower end supporting frame 9 by adjusting the position height of the damping device 8, the rear frame 2 which is matched and placed on the lower end supporting frame 9 can be fixedly connected and fixed on the lower end supporting frame 9 through a bolt, and the lower end supporting frame 6 can be debugged; after the crushing operation is finished, the bolts connected between the rear frame 2 and the lower end supporting frame 9 are disassembled, the damping device 8 is adjusted to enable the damping device to slowly rise, a gap capable of sliding relatively is formed between the rear frame 2 and the lower end supporting frame 9, the rear frame 2 of the operation control crushing system slides towards the rear end on the lower end supporting frame 9, the crushing system and the traveling system can be separated, the crushing system can be transported through the transport trolley, the crushing system can be hoisted and transported to the transport trolley by using hoisting equipment or a traction device, excessive disassembly and transportation damage rate is avoided, transportation cost is saved, transportation installation safety is improved, the operation control crushing traveling system moves away from the crushing system, and the traveling system can be transported to the next operation site. After transition, reinstallation is needed, so that the installation and debugging period is reduced, the productivity and efficiency of the crushing screen can be improved, and the crushing screen can be suitable for crushing processing operation in severe environments.

Fence 12 is respectively arranged at two side edges of the upper surface of the front frame 1 and two side edges of the upper surface of the rear frame 2, so that operators can walk on the front frame 1 and the rear frame 2 conveniently; the front frame 1 is provided with first ladders 10 on the side walls at two sides, a supporting connecting frame 11 is arranged on the inner side of the first ladders 10, the upper ends of the first ladders 10 are rotatably connected to the side walls at two sides of the front frame 1, lifting hooks are arranged at the upper ends of the first ladders 10, the upper ends of the first ladders 10 are rotatably arranged on the side walls of the front frame 1 through the lifting hooks so as to be rotatably arranged up and down and detachably, the first ladders 10 are retracted to be convenient to transport when being rotated up, and the rear sides of the lower ends of the first ladders 10 are connected to the crawler travel assembly 3 through the supporting connecting frame 11; the rear frame 2 is provided with a second cat ladder 20 on the side walls of the two sides, the rear side of the second cat ladder 20 is at least provided with a connecting plate 21, the upper end of the second cat ladder 20 is rotationally connected to the side walls of the two sides of the rear frame 2, the rear side of the lower end of the second cat ladder 20 is connected to the crawler travel assembly 3 through the connecting plate 21, and the structure of the second cat ladder 20 is identical to that of the first cat ladder 10, so that the installation and the transportation are convenient.

In the invention, referring to fig. 2, 3 and 4, the lower support frame 9 is formed by welding and overlapping and fixing the edge of the upper support frame and the edge of the lower support frame, a conveying channel 60 is formed between the upper support frame and the lower support frame, the feeding end of the conveying device 6 penetrates from the front end of the conveying channel 60 between the upper support frame and the lower support frame to the rear end, the upper support frame comprises an upper horizontal support beam 90 composed of two parallel H-shaped steel and a plurality of upper transverse support beams 90a fixed between the two upper horizontal support beams 90, the lower support frame comprises a lower horizontal support beam 91 composed of two parallel H-shaped steel and a plurality of lower transverse support beams 91a fixed between the two lower horizontal support beams 91, the upper horizontal support beam 90 and the lower horizontal support beam 91 are welded in an overlapping manner, a conveying channel 60 for installing the conveying device 6 is formed between the upper transverse support beam 90a and the lower transverse support beam 91a, a detachable upper horizontal support beam 90 b is arranged at the front end between the two lower horizontal support beams 91, the feeding end of the conveying device 6 is positioned at a limit position of the feeding end of the conveying device 6 m from the front end of the two lower horizontal support beams 91 to the position of the main frame 5m, and the feeding end of the conveying device is positioned at a position of the right distance of the position of the feeding end of the main frame 1 m from the front end of the lower end of the conveying device 1 to the lower end of the main frame; a conveying installation seat 91c is arranged on the opposite inner sides of the two lower horizontal support beams 91, the conveying device 6 is fixed on the lower horizontal support beams 91 through the conveying installation seat 91c, and after the conveying device 6 penetrates into the conveying channel 60, the conveying device 6 is fixed on two sides in the lower horizontal support beams 91 through the conveying installation seat 91 c; a shock absorbing support table 92 for supporting the shock absorbing device 8 is extended outwards at both sides between the lower edge of the upper horizontal support beam 90 and the lower edge of the lower horizontal support beam 91 or at the lower edge of the lower horizontal support beam 91, a sliding support groove 93 for placing the rear frame 2 is provided on the surface of the upper horizontal support beam 90, the sliding support groove 93 is extended straight to the rear end of the rear frame 2 along the surface of the upper horizontal support beam 90 below the front end of the rear frame 2, and the rear frame 2 is installed in a sliding manner along the sliding support groove 93 on the surface of the upper horizontal support beam 90; the side of the lower horizontal support beam 91 and the side of the upper horizontal support beam 90 are uniformly provided with a plurality of H-shaped fastening support frames 94 at intervals, as shown in fig. 5, the fastening support frames 94 are fastened and fixed (welded and fixed after fastening) in a vertical state on the side of the lower horizontal support beam 91 and the side of the upper horizontal support beam 90, the lower horizontal support beam 91 and the upper horizontal support beam 90 are further reinforced, support groove plates 95 which are outwards and obliquely bent and stretched downwards are arranged in the fastening support frames 94, the support groove plates 95 are downwards inclined and then horizontally bent and stretched along the outer sides of the lower end support frames 9 (the lower horizontal support beam 91 and the upper horizontal support beam 90), and the support groove plates 95 are used for fixedly connecting the shock absorbing support table 92, the climbing ladder and the edges of the crawler walking assembly 3, so that the lower end support frames 9 are further stably acted. The top ends of the damping devices 8 are respectively fixed at two side parts of the rear frame 2, the lower ends of the damping devices 8 are fixed on a damping support table 92, and after the rear frame 2 is installed along a support groove 93 on the surface of an upper horizontal support beam 90, the damping devices 8 are adjusted and fixed on the damping support table 92; when the conveyor 6 is inserted from the front end of the conveyor channel 60, the limit beam 91b is removed from the lower horizontal support beam 91 to prevent the conveyor 6 from being mounted when the conveyor 6 is placed in the conveyor channel 60 from the front end of the front frame 1, the conveyor 6 is fixed on the lower horizontal support beam 91a through the conveying mounting seats 91c, and when the conveyor 6 is placed in the conveyor channel 60 formed between the upper horizontal support beam 90a and the lower horizontal support beam 91a, the conveyor 6 passes under the discharge port of the crushing main machine 5 and extends to a distance of 0.8m to 1.5m from the rear end of the lower support frame 9 (lower horizontal support beam 91), namely, the distance from the rear end of the conveyor 6 to the rear end of the lower horizontal support beam 91 is 0.8m to 1.5m, so that the broken stone material falling from the crushing main machine 5 is reduced to be scattered, and the broken stone falls on the front side of the conveyor frame 1 immediately after the conveyor 6 is conveyed, and the crushed stone is accumulated in the conveyor 6 due to the fact that the stone is horizontally stacked in the conveyor 6.

In the invention, combining fig. 2, 3, 5 and 6, support fixing shell 200 is respectively arranged at two sides of rear frame 2, a plurality of fastening parts 201 parallel to each other extend outwards at the side part of support fixing shell 200, support fixing shell 200 is fixed at two sides of rear frame 2 through fastening parts 201, top ends of damping devices 8 are respectively fixed at two sides of rear frame 2 through support fixing shell 200, lower ends of damping devices 8 are fixed on damping support table 92, damping devices 8 comprise damping base 80, damping support shaft 81 and damping springs 82, top ends of damping support shaft 81 are vertically inserted into support fixing shell 200 and fixed, lower ends of damping support shaft 81 are fixed on damping base 80, damping springs 82 are sleeved on outer walls of damping support shaft 81, damping base 80 is fixed on damping support table 92, two side edges of damping base 80 are provided with up-turned damping side plates 83, damping ear blocks are arranged in damping base 80 and between two side edges of damping base 83 and two side edges are provided with damping ear blocks 84 which are connected with lower end supporting ear blocks 84 through vertical support plates, and the two damping blocks 84 can be connected with the lower end of supporting ear blocks 84 through the lower end of supporting shaft 84 which is connected with damping base 84, and the damping base 84 can be conveniently connected with the damping base 80 through the rotation angle adjusting plates 84; the damping support shaft 81 is a telescopic support shaft, the telescopic shaft is a hydraulic cylinder telescopic shaft, after the rear frame 2 is installed along the support groove 93 on the surface of the upper horizontal support beam 90, the extension length of the damping support shaft 81 is adjusted, so that the top end of the damping spring 82 sleeved on the outer wall of the damping support shaft 81 is contacted with the lower surface of the rear frame 2 to form elastic contact, and then the rear frame 2 is fixedly connected with the lower end support frame 9 through bolts; when the crushing main machine 5 on the rear frame 2 is crushed, vibration is generated to enable the whole rear frame 2 to vibrate with the lower end supporting frame 9, at the moment, elastic supporting acting force is generated between the damping springs 82 on the side parts of the rear frame 2 and the damping supporting table 92 at the edge of the lower end supporting frame 9, so that the effect of buffering is achieved in the crushing process, the crushing main machine is more convenient and quick to install through the fixing, maintenance is also convenient, balls or rollers can be arranged in the damping base 80 in an embedded mode, and the lower surface of the bottom of the damping base 80 is in contact with the damping supporting table 92 through the balls or rollers, so that the rear frame 2 of the crushing system can conveniently support to slowly slide on the damping supporting table 92 of the lower end supporting frame 9.

In the present invention, as shown in fig. 7, 8, 9 and 10, the conveying device 6 includes a conveying support 61, a belt 62, a gear motor 63, and a driving roller 64 rotatably connected to the front end of the conveying support 61, a driven roller 65 rotatably connected to the rear end of the conveying support 61, the belt 62 is wound around the upper and lower surfaces of the conveying support 61 along the space between the driving roller 64 and the driven roller 65, the gear motor 63 is disposed at the front end side of the conveying support 61, the output shaft of the gear motor 63 is in driving connection with the driving roller 64, a tensioning adjustment device 66 for adjusting the tension of the belt 62 is disposed at the side of the conveying support 61 and at the rear side of the gear motor 63, the gear motor 63 is slidably disposed at both sides of the front end of the conveying support 61, and the gear motor 63 is pushed to slide on both sides of the front end of the conveying support 61 by the tensioning adjustment device 66, so that the gear motor 63 is driven to move toward the front end or the rear end of the conveying support 61, and the driving roller 64 is pushed to move toward the front end or the rear end of the conveying support 61, thereby achieving a stable effect of tensioning the belt 62. A connecting seat 67 is arranged at the edge of the bottom surface of the conveying support frame 61, and the conveying support frame 61 is fixedly connected with a conveying installation seat 91c through the connecting seat 67 by bolts, so that the conveying support frame 61 is fixed in the lower end support frame 9; around the rear edge of the conveyor support frame 61 is provided an outwardly inclined upwardly projecting guard plate 68 which increases the amount of sand and gravel material stored by the belt 62. The two sides of the upper edge of the conveying support frame 61 are fixedly connected through a gantry-shaped brace 601, and the height of the gantry-shaped brace 601 is level with the lower edge of the material protection plate 68 or lower than the upper edge of the material protection plate 68; when sand falls on the transmission belt 62, the sand and stone materials higher than the material protection plate 68 are smoothed through the gantry-shaped brace 601, so that the sand and stone materials are flattened, the sand and stone materials are not easy to scatter in the transmission process, an upper rotating carrier roller assembly 602 which is folded into an arc shape is transversely arranged between two sides of the upper edge in the transmission support frame 61, so that the transmission belt 62 is arranged along the transmission support frame 61 in a groove shape, the crushed stone materials with jaws fall into the groove-shaped transmission belt 62 to be transmitted, more crushed stone materials can be conveyed, meanwhile, the sand and stone with jaws can be reduced to scatter from the transmission belt 62 at will, a lower rotating carrier roller 603 is transversely fixed below the two sides of the lower edge in the transmission support frame 61, the lower rotating carrier roller 603 transversely spans the transmission support frame 61, when the transmission belt 62 moves on the lower rotating carrier roller, a better supporting and pushing effect is achieved on the transmission belt 2, friction force of the transmission belt 62 is reduced, the transmission belt 62 is arranged along the roller driving motor 63, the lower rotating carrier roller assembly and the upper rotating carrier roller assembly 602 are fixed on the upper side of the transmission support frame 61 and the front side of the transmission support frame 61, and the tension device 66 is fixed on the transmission support frame 61. A scraper 604 is transversely arranged at the front end of the conveying support frame 61 and positioned below the rear of the driving roller, the upper surface of the scraper 604 is in contact with the lower surface of the driving belt 62, the scraper 604 spans the lower surface of the driving belt 62, the scraper 604 is in compressed contact with the lower surface of the driving belt 62, the scraper 604 is in upward arch transition, the driving belt is prevented from loosening in the conveying process, when the driving belt 62 is horizontally placed, the scraper 604 and the lower rotating carrier roller 603 are at the same position or higher than the lower rotating carrier roller 603, the scraper 604 and the lower rotating carrier roller 603 simultaneously support the driving belt 62, and soil adhered on the surface of the driving belt 62 is scraped away by the scraper 604; the crushed stone materials often contain soil or water and often adhere to the surface of the driving belt 62, and when the crushed stone materials are transferred by the driving belt 62 and returned to the rear end to run and rotate, the mud scraping plate 604 contacts with the surface of the driving belt 62 to scrape the adhered soil or sand powder away.

In the invention, as shown in fig. 11 and 12, at least one group of aligning roller assemblies 605 are transversely arranged below the conveying support frame 61, the aligning roller assemblies 605 are arranged between adjacent lower rotating rollers 603 at intervals, when the length of a transmission belt exceeds 15m, one group of aligning roller assemblies 605 are additionally arranged every 8-12 m, the aligning roller assemblies 605 comprise a lower supporting beam 605a, an upper adjusting supporting beam 605b, aligning rollers 605c and a deflection adjusting roller 605d, two ends of the lower supporting beam 605a are transversely fixed below the conveying support frame 61 through a vertically arranged fixed support frame 605e, a first rotating shaft 605f is arranged in the center of the lower supporting beam 605a, the lower end of the first rotating shaft 605f is fixed on the lower supporting beam 605a, the upper end of the first rotating shaft 605f is connected with the center of the upper adjusting supporting beam 605b, thereby the upper adjusting supporting beam 605b is rotatably arranged on the lower supporting beam 605a between the two fixed support frames e through the first rotating shaft 605f, the two ends of the aligning idler 605c are horizontally connected and fixed at the two ends of the upper adjusting joist 605b through the idler brackets 605g which are vertically arranged, when the transmission belt 62 deflects in the forward transmission process, the first rotary shaft 605f drives the upper adjusting joist 605b to deflect and rotate, the deflection adjusting roller 605d is arranged in front of the two ends of the aligning idler 605c through the L-shaped supporting shaft 605h, the fixed end of the L-shaped supporting shaft 605h is hinged with the fixed supporting frame 605e, the deflection adjusting roller 605d is sleeved on the outer wall of the free end of the L-shaped supporting shaft 605h, the L-shaped supporting shaft 605h and the deflection adjusting roller 605d are arranged at the front side position of the lower joist 605a, the free end of the L-shaped supporting shaft 605h is provided with a tension spring 605i, the tension spring 605i is connected between the fixed supporting frame 605e and the free end of the L-shaped supporting shaft 605h, an L-shaped blocking block 605j is arranged at the rear side of the lower joist 605a and positioned at two sides of the first rotary shaft 605f, the fixed end of the L-shaped blocking block 605j is slidably arranged on the lower joist 605a, one end of the L-shaped blocking block 605j extends upwards to be at least flush with the height of the aligning idler 605c, when the driving belt 62 is pressed on the surface of the aligning idler assembly 605 to run, the edge of the driving belt 62 presses on the offset adjusting roller 605d, if the driving belt 62 deflects during the conveying running process, the L-shaped supporting shaft 605h drives the offset adjusting roller 605d to horizontally swing back and forth at the outer side of the upper adjusting idler 605b, and simultaneously, the upper adjusting idler 605b is caused to rotate by an offset angle by taking the aligning idler 605c as the center, during the rotation, the aligning idler 605c on the upper adjusting idler 605b is contacted with the L-shaped blocking block 605j, the aligning idler 605c is prevented from further offset rotation, at this time, the edge of the driving belt 62 will exert a thrust force on the offset adjusting roller 605d, at this time, the L-shaped supporting shaft 605h horizontally rotates by an offset angle with the fixed supporting frame 605e as the center, the L-shaped supporting shaft 605h is gradually rotated to the original position under the elastic force of the extension spring 605i, the aligning idler 605c is driven by the aligning idler 605c to drive the driving belt 62 to be automatically returned to the original position after being offset, so as to realize automatic offset correction of the offset, and the driving belt 62 spans from one end close to the driving roller 64 or the driven roller 65 and is arranged below the conveying supporting frame 61 to adjust the driving belt 62, so that the offset of the driving belt 62 is prevented, and the running reliability of the driving belt is greatly improved; when the aligning roller assembly 605 is installed, a fixed supporting frame 605e is vertically welded at two ends of an L-shaped supporting shaft 605h, a deflection adjusting roller 605d is respectively installed on the fixed supporting frame 605e through the L-shaped supporting shaft 605h on one side of the front side of a lower supporting frame 605a, the deflection adjusting roller 605d is vertical to the lower supporting frame 605a and a transmission belt 62, an L-shaped blocking block 605j is horizontally and vertically arranged on the lower supporting frame 605a on one side of the rear side of the lower supporting frame 605a in a sliding manner, the free end of the L-shaped blocking block 605j extends upwards towards the rear side of the aligning roller 605c, the degree of freedom of the L-shaped blocking block 605j is level with the height of the aligning roller 605c, then the aligning roller 605c is arranged on the rotary shaft 605f through an upper adjusting supporting frame 605b, the aligning roller 605c, the upper adjusting supporting frame 605b and the lower supporting frame 605a are kept parallel from top to bottom and are arranged on the same vertical surface in an installation manner, and then a spring i is installed between the top end of the fixed supporting frame 605e and the free end of the L-shaped supporting frame 605 h; the L-shaped blocking blocks 605j on both sides of the L-shaped support shaft 605h are adjusted so that the L-shaped blocking blocks 605j and the L-shaped support shaft 605h are installed within a desired prescribed distance, thereby defining the position of the rotational offset of the upper adjustment joist 605 b.

In the present invention, as shown in fig. 13, 14, 15 and 16, the upper rotating idler assembly 602 includes an idler mounting support plate 6021, an idler connecting plate assembly 6022, an L-shaped edge support plate 6023, and a left idler 6024, a middle idler 6025 and a right idler 6026 respectively mounted on the idler mounting support plate 6021, wherein the left idler 6024, the middle idler 6025 and the right idler 6026 form an arc concave section on the idler mounting support plate 6021, one end of the left idler 6024, one end of the right idler 6026 and two ends of the middle idler 6025 are respectively detachably connected on the idler mounting support plate 6021 through the idler connecting plate assembly 6022, the L-shaped edge support plates 6023 are arranged at two ends of the roller mounting support plates 6021, the other end of the left support roller 6024 and the other end of the right support roller 6026 are detachably connected at two ends of the roller mounting support plates 6021 through the L-shaped edge support plates 6023 respectively, so that the transmission belt 62 is flatly laid in an arc concave section, after the upper rotating support roller assembly 602 is arranged on the transmission support frame 61, the transmission belt 62 is arranged in the arc concave section to form a groove-shaped conveying space, and when the transmission belt 62 runs, the transmission belt 62 can flexibly rotate with the left support roller 6024, the middle support roller 6025 and the right support roller 6026 under small friction force, so that the deviation transmission belt 62 can be flexibly adjusted in time; the short side end of the L-shaped edge support plate 6023 is provided with the guide roller 60231, the guide roller 60231 extrudes the edge of the driving belt 62 to prevent the driving belt 62 from shifting in the conveying process, so that the abrasion between the edge of the driving belt 62 and the conveying frame is reduced, the conveying is convenient, the stability of the driving belt is ensured, the used carrier roller can be made of a smooth nylon material, and when the driving belt 62 inclines to one direction in the running process, the driving belt 62 is limited to deviate.

In the invention, as shown in fig. 13, 14, 15 and 16, the carrier roller connection plate assembly 6022 comprises a carrier roller mounting base plate 60220, a first support connection plate 60221 fixed at one end of the carrier roller mounting base plate 60220, and a second support connection plate 60222, wherein the first support connection plate 60221 is vertically fixed on one end surface of the carrier roller mounting base plate 60220, a fixed connection part 60223 is arranged along the top end side wall of the second support connection plate 60222, the top end of the second support connection plate 60222 is fixedly connected with the first support connection plate 60221 through the fixed connection part 60223, the lower end of the second support connection plate 60222 is downward and inclined along the other end direction of the carrier roller mounting base plate 60220, so that the lower end of the second support connection plate 60222 is obliquely fixed on the carrier roller mounting base plate 60220, the second support connection plate 60222 is obliquely fixed between the carrier roller mounting base plate 60220 and the fixed connection part 60223, the lower end of the second support connection plate 60222 is far away from one side of the first support connection plate 60220 and is in transition angle of the top end of the first support connection plate 6035 to the top end of the second support connection plate 6028 (the upper end of the second support connection plate 6035 is not in transition angle of the first connection plate 6035 to the top end of the first support connection plate 6028); the two ends of the middle carrier roller 6025 are respectively fixed on a carrier roller mounting bottom plate 60220 through a first support connecting plate 60221, one end of the left carrier roller 6024 and one end of the right carrier roller 6026 are respectively detachably connected and fixed on the carrier roller mounting bottom plate 60220 through a second support connecting plate 60222, the lower surface of the long side of the L-shaped edge support plate 6023 is obliquely fixed on the carrier roller mounting support plate 6021 through the carrier roller mounting bottom plate 60220, the end part of the long side of the L-shaped edge support plate 6023 is connected with the bottom end of the second support connecting plate 60222, and the other end of the left carrier roller 6024 and the other end of the right carrier roller 6026 are respectively detachably connected with the end part of the short side of the L-shaped edge support plate 6023; in the invention, clamping ports 60224 which are mutually and symmetrically communicated are arranged among the top end of the first support connecting plate 60221, the top end of the second support connecting plate 60222 and the fixed connecting part 60223, screw holes 60225 which are arranged in the fixed connecting part 60223 and are along the width direction of the carrier roller mounting bottom plate 60220, the horizontal height of the lowest part of the clamping ports 60224 is positioned below the screw holes 60225, two ends of the middle carrier roller 6025 are fixedly clamped on the first support connecting plate 60221 through the clamping ports 60224, and one ends of the left carrier roller 6024 are fixedly clamped on the second support connecting plate 60222 through the clamping ports 60224; in the invention, bolts 60226 are arranged in screw holes 60225, one end of a left carrier roller 6024, one end of a right carrier roller 6026 and two ends of a middle carrier roller 6025 are respectively clamped in clamping interfaces 60224 on the corresponding sides by inserting the bolts 60226 into the screw holes 60225, and in the invention, the two ends of the middle carrier roller 6025 are fixed on a carrier roller installation support plate 6021 through carrier roller connecting plate assemblies 6022 which are mirror symmetry, more specifically, the two ends of a central support shaft in the middle carrier roller 6025 are arranged in clamping interfaces 60224 on a first support connecting plate 60221, so that when the transmission belt is driven on the middle carrier roller 6025, the two ends of the middle carrier roller 6025 are supported and fixed through the clamping interfaces 6024 on the first support connecting plate 60221; an L-shaped edge support plate 6023 is obliquely arranged at the left end and the right end of the carrier roller mounting support plate 6021 respectively, one end central support shaft in the left carrier roller 6024 is inserted into a surface of the short side of the L-shaped edge support plate 6023 from the surface of the short side of the L-shaped edge support plate 6023 or is clamped on a notch (not shown) of the short side of the L-shaped edge support plate 6023, the other end central support shaft in the left carrier roller 6024 is arranged on a second support connecting plate 60222 arranged at the other end of the carrier roller mounting support plate 6021 and is supported and fixed through a clamping interface 60224 on the second support connecting plate 60222 at the side; on the right side of the carrier roller mounting support plate 6021 (on the right end of the intermediate carrier roller 6025), one end center support shaft in the right carrier roller 6026 is inserted into a shaft hole formed in the surface or a notch (not shown) formed in the short side of the L-shaped edge support plate 6023 from the surface corresponding to the short side of the L-shaped edge support plate 6023, the other end center support shaft in the right carrier roller 6026 is placed on a second support connection plate 60222 formed on the other end of the carrier roller mounting support plate 6021 and is supported and fixed by a clamping interface 60224 on a second support connection plate 60222 on the side, after the left carrier roller 6024, the intermediate carrier roller 6025 and the right carrier roller 6026 are respectively placed on the corresponding side of the clamping interface 204 formed between the top end of the L-shaped edge support plate 6023 and the top end of the second support connection plate 60222 and the fixed connection portion 60223, a screw rod 60226 is inserted into the screw hole 60225 in the fixed connection portion 60223, the screw 60226 is penetrated from one end to the other end of the fixed connecting part 60223, the screw 60226 can be screwed and fastened on the side walls of the two ends of the fixed connecting part 60223 through nuts at the two ends of the screw 60226, at the moment, in the clamping interfaces 60224 which form transition on the first support connecting plate 60221, the second support connecting plate 60222 and the fixed connecting part 60223, the central support shaft of the left support roller 6024, the central support shaft of the middle support roller 6025 and the central support shaft of the right support roller 6026 are respectively positioned below the screw holes 60225, the central support shaft of the support roller is blocked and limited through the screw 60226, the support roller is prevented from falling off from the first support connecting plate 60221 and the second support connecting plate 60222, the left support roller 6024, the middle support roller 6025 and the right support roller 6026 are clamped on the support roller connecting plate assembly and the L-shaped edge support plate, the upper rotating support roller assembly 602 is installed and formed, and is not easy to fall off in the transportation process, the installation and the disassembly are convenient, and even if the carrier roller falls off or is damaged, the installation is also convenient; during assembly, a carrier roller mounting support plate 6021 on the upper rotating carrier roller assembly 602 is fixed on a conveying support frame 61, then a carrier roller connecting plate assembly 6022 and an L-shaped edge support plate 6023 are assembled on the carrier roller mounting support plate 6021, and then a left carrier roller 6024, a middle carrier roller 6025 and a right carrier roller 6026 are mounted on the carrier roller connecting plate assembly 6022 to form an upper rotating carrier roller assembly 602 and are mounted on the conveying support frame 61 through the carrier roller mounting support plate 6021; the support plate 60227 for supporting the lower surface of the long side of the L-shaped edge support plate 6023 is vertically arranged on the support roller mounting bottom plate 60220, the support plate 60227 is positioned between the middle part and the lower end part of the lower surface of the long side of the L-shaped edge support plate 3, and the support plate 60227 and the axis of the corresponding side left support roller 6024 and the axis of the right support roller 6026 are on the same vertical plane, so that the support strength between the L-shaped edge support plate 6023 and the support roller mounting bottom plate 60220 is enhanced, and the mounting stability of the middle support roller 6025 and the right support roller 6026 is improved.

As another embodiment of the invention, as shown in fig. 13, a fixed support plate 60210 is horizontally arranged below the carrier roller mounting support plate 6021, a second rotating shaft 60211 is arranged in the center of the fixed support plate 60210, the bottom end of the carrier roller mounting support plate 6021 is fixed on the fixed support plate 60210 through a second rotating shaft 60211, and the second rotating shaft 60211 is used for controlling the swing amplitude of the carrier roller mounting support plate 6021; when the transmission belt 62 is inclined and deviated in the running process, the transmission belt 62 contacts with the guide roller 60231, the guide roller 60231 is stressed by the lateral force of the deviation of the transmission belt 62 to enable the two sides of the transmission roller on the transmission roller mounting support plate 6021 to be unbalanced, the transmission roller mounting support plate 6021 is deflected towards the front of the deviation of the transmission belt 62 by taking the rotary shaft 60211 as the center of a circle, after deflection, the transmission roller mounting support plate 6021 has a rotary acting force under the action of the rotary shaft 60211, when the transmission roller rotates, the transmission belt 62 is reset by friction force generated by relative speed deviation of the running speed of the transmission belt 62, and along with the reset of the transmission belt 62, the transmission roller is restored to a position perpendicular to the transmission belt 62, so that the transmission belt 62 runs in a state without deviation, and thus the phenomenon of inflexible rotation or blocking in the running process of the transmission belt 62 is avoided, and the two ends of the transmission roller mounting support plate 6021 are outwards extended with limiting pieces 60212, the limiting pieces 60212 are springs or rigid rod bodies for preventing the transmission roller mounting support plate 6021 from rotating too much, and the transmission belt 6021 is pulled back to the mounting support plate 6021 under the action of elasticity of the springs.

According to another aspect of the present invention, as shown in fig. 1 to 13, a method of installing a mobile crusher of the present invention is performed as follows:

step 1: firstly, assembling a crawler traveling assembly 3, a lower end supporting frame 9, a front frame 1 and a power driving assembly 4 to form a traveling system, assembling a rear frame 2, a crushing main machine 5, a feeding hopper 7 and a damping device 8 to form a crushing system, transferring the traveling system and the crushing system to a construction operation site, installing and fixing the traveling system, and then controlling the front end of the rear frame 2 of the crushing system to slowly slide to the front end along the rear end of the lower end supporting frame 9, so that the surface of the rear frame 2 can be slidably fixed on the lower end supporting frame 9; the rear frame 2 (crushing system) slides along the supporting groove 93 on the surface of the upper horizontal supporting beam 90 through hoisting equipment or traction equipment, and the gap spacing between the two side edges in the supporting groove 93 and the two side edges of the rear frame 2 embedded in the supporting groove is not more than 0.6 mm-2 mm; the rear frame 2 is firmly and fittingly placed in the supporting groove 93, and dislocation movement between the lower end supporting frame 9 and the rear frame 2 due to unstable fixation can be prevented in the crushing operation process;

step 2: inserting the conveying device 6 into a conveying channel 60 formed in a lower end support frame 9 from a front frame 1, fixing the conveying device 6 into the lower end support frame 9, relatively and stably installing the left and right sides of the conveying device 6 into the conveying channel 60 in the lower end support frame 9, fixing the lower end of the damping device 8 on the damping support table 92 at the side part of the lower end support frame 9, fixedly connecting the damping device 8 on the damping support table 92 through bolts, adjusting the heights of the damping devices 8 at the two sides of a rear frame 2, enabling the rear frame 2 to be firmly matched and placed on the lower end support frame 9 to form a damping gap space, forming damping acting force between the damping device 8 and the rear frame 2, extending out from both sides between the lower edge of an upper horizontal support beam 90 and the lower edge of a lower horizontal support beam 91 or from the lower edge of the lower horizontal support beam 91 to support the damping support table 92 for supporting the damping device 8, sleeving damping springs 82 on the outer walls of damping support shafts 81 in the damping device 8, enabling the damping support shafts 81 to be hydraulic cylinder telescopic shafts, gradually shortening the adjusting the support shafts 81, enabling the damping support shafts 81 to be in contact with the damping bases 80 fixedly arranged on the upper support bases 80 of the lower support shafts through the upper and lower support shafts, and enabling the damping bases 80 to be in contact with the damping supports 80; in the invention, after the conveying device 6 is fixed in the lower end supporting frame 9, the tension adjusting device 66 arranged on the conveying device 6 is adjusted, and the gear motor 63 is pushed to slide on two sides of the front end of the conveying supporting frame 61, so that the movable driving roller 64 on the conveying device 6 is pushed to drive the driven roller 65 to move towards the front end or the rear end of the conveying supporting frame 61, the aim of adjusting the tension of the driving belt 62 is fulfilled, then the aligning roller assembly 605 is installed and adjusted to enable the driving belt 62 to be arranged on the conveying supporting frame 61 in a proper tightness, and crushing operation can be carried out after installation and debugging are finished,

Step 3: after the crushing operation is finished, disassembling bolts connected between the rear frame 2 and the lower end support frame 9, adjusting the height of the damping device 8 (adjusting the extension of the damping support shaft 81 to separate the top end of the damping spring 82 from the lower surface of the rear frame 2), controlling the rear frame 2 of the traveling system to slowly slide to the rear end along the lower end support frame 9 to separate the crushing system from the traveling system, hanging the crushing system away from the traveling system, and controlling the traveling system to move; or the rear frame 2 (the crushing system) is lifted off the lower end supporting frame 9 through lifting equipment (or traction equipment), and the running system is controlled to gradually move towards the front end through control operation, so that the crushing system is separated from the running system; the crusher is easy to disassemble and transport, so that the transportation cost is saved and the transportation and installation safety is improved; after transition, reinstallation is needed, so that the installation and debugging period is reduced, and the productivity and efficiency of the crusher can be improved.

The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims

1. A mobile crusher, characterized by: the crusher comprises a crushing system and a traveling system, wherein the traveling system consists of a front frame, a power driving assembly, a crawler traveling assembly, a conveying device and a lower end supporting frame, the crushing system consists of a rear frame, a crushing main machine, an upper hopper and a damping device, the lower end supporting frame is fixed on the crawler traveling assembly through bolts, the bottom end of the rear frame is detachably arranged on the lower end supporting frame through bolts, so that the bottom end of the rear frame is arranged on the crawler traveling assembly through the lower end supporting frame, the front frame is fixedly arranged on the crawler traveling assembly through the lower end supporting frame, the front frame and the rear frame are distributed on the same horizontal surface plane of the lower end supporting frame, the crushing main machine is fixedly arranged on the rear frame, the upper hopper is fixedly arranged on the rear end of the rear frame, the upper hopper is positioned on the rear upper part of the crushing main machine, the bottom end of the upper hopper is fixedly arranged on the rear frame through a supporting spring, the discharge port of the upper hopper is communicated with the feed inlet of the crushing main machine, two side parts of the rear frame are fixedly arranged on the crawler traveling assembly, the conveying device is fixedly arranged on the lower end supporting frame and extends to the other end of the crawler traveling assembly, and the conveying device extends from the lower end of the front end of the crawler traveling assembly to the other end of the crawler traveling assembly;

The installation method of the mobile crusher comprises the following steps:

step 2: inserting a conveying device into a conveying channel formed in a lower end supporting frame from a front frame, fixing the conveying device into the lower end supporting frame, fixing the lower end of a damping device on a damping supporting table at the side part of the lower end supporting frame, fixedly connecting the damping device on the damping supporting table through bolts, adjusting the heights of the damping devices at two sides of a rear frame, enabling the rear frame to be firmly matched with the lower end supporting frame to form a damping gap space, enabling the distance between the damping gap space to be not more than 0.6 mm-2 mm, forming damping acting force between the damping device and the rear frame, and performing crushing operation after installation and debugging are finished;

2. A mobile crusher according to claim 1, characterized in that: the lower end support frame is formed by welding and overlapping the edges of the upper layer support frame and the edges of the lower layer support frame, a conveying channel is formed between the upper layer support frame and the lower layer support frame, the feeding end of the conveying device penetrates from the front end of the conveying channel between the upper layer support frame and the lower layer support frame to be close to the rear end, the upper layer support frame comprises an upper horizontal support beam formed by two parallel H-shaped steel and a plurality of upper transverse support beams fixed between the two upper horizontal support beams, the lower layer support frame comprises a lower horizontal support beam formed by two parallel H-shaped steel and a plurality of lower transverse support beams fixed between the two lower horizontal support beams, the upper horizontal support beam and the lower horizontal support beam are mutually overlapped and welded, the conveying channel for installing the conveying device is formed between the upper transverse support beam and the lower transverse support beam, shock absorption support tables for supporting the shock absorption device are outwards extended from the two sides between the lower edge of the upper horizontal support beam and the lower edge of the lower horizontal support beam or the lower edge of the lower horizontal support beam, the top ends of the shock absorption device are respectively fixed on the two sides of the rear frame, and the upper end of the shock absorption device is fixed on the shock absorption table; a sliding support groove for placing the rear frame is arranged on the surface of the upper horizontal support beam, and the sliding support groove is communicated to the rear end of the rear frame along the surface of the upper horizontal support beam below the front end of the rear frame.

3. A mobile crusher according to claim 2, characterized in that: the side of the lower horizontal supporting beam and the side of the upper horizontal supporting beam are uniformly provided with a plurality of H-shaped buckling supporting frames at intervals, the H-shaped buckling supporting frames are vertically buckled and fixed on the side of the lower horizontal supporting beam and the side of the upper horizontal supporting beam, supporting groove plates which are outwards and obliquely bent downwards and extend are arranged in the H-shaped buckling supporting frames, and the supporting groove plates are horizontally bent and extend after being inclined downwards along the outer side of the lower end supporting frame.

4. A mobile crusher according to claim 3, characterized in that: a detachable limit beam is arranged at the front end between the two lower horizontal support beams, and the feeding end of the conveying device gradually penetrates into the conveying channel from the upper surface of the limit beam, so that the feeding end of the conveying device is stopped at a position 0.8 m-1.5 m away from the rear end of the lower horizontal support beam; and conveying installation seats are arranged on the opposite inner sides of the two lower horizontal support beams, and the conveying device is fixed on the lower horizontal support beams through the conveying installation seats.

5. A mobile crusher as claimed in claim 4, wherein: the support fixing device comprises a rear frame, a plurality of fastening parts which are parallel to each other, wherein the two sides of the rear frame are respectively provided with a support fixing shell, the side parts of the support fixing shells outwards extend out, the support fixing shells are fixed on the two sides of the rear frame through the fastening parts, the top ends of the damping devices are respectively fixed on the two sides of the rear frame through the support fixing shells, and the lower ends of the damping devices are fixed on the damping supporting table.

6. A mobile crusher according to claim 5, characterized in that: the damping device comprises a damping base, a damping supporting shaft and a damping spring, wherein the top end of the damping supporting shaft is vertically inserted upwards into a supporting and fixing shell to be fixed, the lower end of the damping supporting shaft is fixed on the damping base, the damping spring is sleeved on the outer wall of the damping supporting shaft, and the damping base is fixed on a damping supporting table.

7. A mobile crusher as claimed in claim 6, wherein: the shock-absorbing base is characterized in that two side edges of the shock-absorbing base are provided with shock-absorbing side plates which tilt upwards, two vertical and upward shock-absorbing support ear plates are arranged in the shock-absorbing base and between the shock-absorbing side plates at the two side edges, the lower end of the shock-absorbing support shaft is inserted between the two shock-absorbing support ear plates and is in contact with the surface of the shock-absorbing base, and the lower end of the shock-absorbing support shaft is rotationally connected with the two shock-absorbing support ear plates through a rotating shaft.

8. A mobile crusher according to claim 7, characterized in that: a reinforcing rib plate is arranged between the outer side wall of the shock-absorbing support ear plate and the surface of the shock-absorbing base, and the shock-absorbing support shaft is a telescopic support shaft.

9. A mobile crusher according to claim 1, characterized in that: the two side edges of the upper surface of the front frame and the two side edges of the upper surface of the rear frame are respectively provided with a fence; the upper end of the first crawling ladder is rotationally connected to the side walls of the two sides of the front frame, and the inner side of the lower end of the first crawling ladder is connected to the crawler travel assembly through the support connecting frame; the crawler belt walking device is characterized in that second crawling ladders are arranged on the side walls of the two sides of the rear rack, at least one connecting plate is arranged on the inner side of each second crawling ladder, the upper ends of the second crawling ladders are rotationally connected to the side parts of the two sides of the rear rack, and the inner side of the lower ends of the second crawling ladders are connected to the crawler belt walking assembly through the connecting plates.