CN111701714A

CN111701714A - High-efficient portable jaw crushing screening machine

Info

Publication number: CN111701714A
Application number: CN202010665463.5A
Authority: CN
Inventors: 励仲威
Original assignee: Zhejiang Luzhiyou Construction Machinery Co ltd
Current assignee: Zhejiang Luzhiyou Construction Machinery Co ltd
Priority date: 2020-07-11
Filing date: 2020-07-11
Publication date: 2020-09-25
Anticipated expiration: 2040-07-11
Also published as: CN111701714B

Abstract

The utility model relates to a high-efficient portable jaw crushing screening machine, including locomotive, automobile body, the automobile body is improved level and is fixed with the mount table, the vertical mounting surface that is fixed with of mount table upper surface, be fixed with jaw breaker on the mount table, be fixed with the screening machine that is used for accepting the building stones on the mount table of jaw breaker below, the screening machine lower extreme is provided with out the feed cylinder, the mount table upper surface is provided with main high platform of filling up along length direction, main high platform afterbody integrated into one piece of filling up has the perpendicular to main vice high platform of filling up of high platform, main high bench of filling up is provided with loading attachment and drive loading attachment slides and makes loading attachment's both ends be located respectively at main high platform of filling up and vice high platform the drive arrangement of jaw breaker pan feeding mouth and building stones top. This application has the effect that makes go up unloading, breakage, screening integral type.

Description

High-efficient portable jaw crushing screening machine

Technical Field

The application relates to the field of engineering crushing machinery, in particular to a high-efficiency movable jaw crushing and screening machine.

Background

At present, the mobile crushing station is more and more popular in the aspect of small crushing requirements in recent years, the mobile crushing station can walk at any time according to working requirements, crushing work is convenient to carry out, and investment cost is saved. According to the construction requirement, the movable crushing station crushes the stone blocks into particles or powder, and the crushed stone blocks are classified by the screening machine so as to meet different requirements of engineering construction.

In chinese patent publication No. CN206454767U, a mobile crushing and recycling system for construction waste is disclosed, comprising a heavy vibrating screen classifier, a jaw crusher, a flotation machine, a feeder, an impact crusher, a circulating permanent magnet iron remover, and a multi-layer screening machine, wherein the heavy vibrating screen classifier is provided with a feed inlet and three discharge outlets, the discharge outlets are connected with the jaw crusher and the flotation machine, and the jaw crusher is connected with the flotation machine; the flotation machine is output to a feeder and is conveyed to a reaction crusher through the feeder; the output port of the impact crusher is connected with a multi-layer sieving machine through a belt I, a circulating permanent magnet iron remover is arranged on the belt I, the multi-layer sieving machine is provided with a multi-stage output port, and the heavy vibration sieving machine, the jaw crusher, the flotation machine, the impact crusher and the multi-layer sieving machine are movable.

In view of the above-mentioned related technologies, the inventor believes that the mobile crushing and recycling system is not only bulky, but also formed by combining an independently mobile heavy vibrating screen machine, a jaw crusher, a flotation machine, an impact crusher, a multi-layer screen machine and the like, and has the defects of requiring multiple persons to control and having complex combination.

Disclosure of Invention

In order to solve the problem that portable broken recovery system components of a whole that can function independently setting is unfavorable for the equipment, this application provides a high-efficient portable jaw crushing screening machine.

The application provides a pair of high-efficient portable jaw crushing screening machine adopts following technical scheme:

the utility model provides a high-efficient portable jaw crushing screening machine, includes locomotive, automobile body, the automobile body is improved level and is fixed with the mount table, the vertical mounting bracket that is fixed with of mount table upper surface, be fixed with jaw breaker on the mount bracket, be fixed with the screening machine that is used for accepting broken back building stones on the mount table of jaw breaker below, the screening machine lower extreme is provided with out the feed cylinder, the mount table upper surface is provided with main high platform of filling up along length direction, main high platform afterbody integrated into one piece that fills up has the perpendicular to main vice high platform of filling up of high platform, main high bench of filling up is provided with loading attachment and drive loading attachment slides and makes loading attachment's both ends be located respectively at main high platform of filling up and vice high platform the drive arrangement of jaw breaker pan feeding mouth and building stones top.

Through adopting above-mentioned technical scheme, drive arrangement starts to drive the material loading and moves to vice pad high bench at main pad high bench to make loading attachment one end be located the top of waiting to transport the building stones, the other end is located jaw crusher pan feeding mouth department, and the building stones is sent to jaw crusher by loading attachment and is smashed in, and the building stones after smashing gets into the screening machine and sieves, and the granule after the screening is exported from play feed cylinder, and the manual work shifts to the assigned position.

Preferably, the upper surface of the main cushion elevation platform is provided with a main chute along the motion direction of the vehicle head, the upper surface of the auxiliary cushion elevation platform is provided with an auxiliary chute which is communicated with the main chute along the direction vertical to the motion direction of the vehicle head, the bottom of the main chute is provided with a main mounting groove which is parallel to the main chute and extends into the auxiliary chute, the bottom of the auxiliary chute is provided with an auxiliary mounting groove which is parallel to the auxiliary chute, the driving device comprises a main screw rod which is rotatably connected in the main mounting groove and a main motor which drives the main screw rod to rotate, an auxiliary screw rod which is rotatably connected in the auxiliary mounting groove and an auxiliary motor which drives the auxiliary screw rod to rotate, the main screw rod and the auxiliary screw rod are arranged in a staggered manner on a vertical plane, the main screw rod is in threaded connection with two main sliding blocks, the bottom of the main chute is provided with a connecting groove which is parallel to the main mounting groove and is communicated with the auxiliary, the mounting block lower fixed surface has the connecting block, the joint that slides of connecting block is in movable to vice spout in the spread groove, threaded connection has two and can be used to the centre gripping on the vice lead screw the vice slider of connecting block, the connecting block bottom is provided with prevents the mounting block breaks away from the spacing subassembly of main spout and vice spout.

Through adopting above-mentioned technical scheme, main motor drives main lead screw and rotates, threaded connection drives the installation piece and slides in main spout at the main slider on main lead screw, rotate the juncture of main spout and vice spout when the installation piece, the connecting block just in time is located between two vice sliders this moment, main motor stall, vice motor drives vice lead screw and rotates, drive the installation piece and move towards vice spout direction under the promotion of vice slider, tip when loading attachment is located jaw crusher pan feeding mouth department, vice motor stall.

Preferably, the main spacing groove that is on a parallel with the spread groove is seted up to the spread groove bottom, the perpendicular to has been seted up to vice mounting groove bottom main spacing groove and with the vice spacing groove of main spacing groove intercommunication, vice spacing groove in the vertical direction with vice mounting groove intercommunication, main spacing groove with vice spacing groove longitudinal section is for having the open-ended circle, spacing subassembly includes vertical the fixing the connecting rod of connecting block lower surface with fix the joint that just can slide of connecting rod lower extreme is in main spacing groove or the spacing ball of vice spacing inslot.

Through adopting above-mentioned technical scheme, the in-process that the installation piece slided in main spout, spacing ball joint that slides all the time is at main spacing inslot, prevents to lead to the installation piece to break away from main spout because of loading attachment rotates, and when the in-process that the installation piece slided in vice spout, spacing ball slides all the time at vice spacing inslot, prevents that the in-process that the installation piece slided in vice spout, and the installation piece breaks away from vice spout.

Preferably, a cylinder groove is vertically formed in the upper surface of the mounting block, a driving cylinder is fixed in the cylinder groove, a support is fixed on the upper surface of the driving cylinder, and the feeding device is rotatably connected to the support.

Through adopting above-mentioned technical scheme, the setting that drives actuating cylinder can drive loading attachment and move in vertical direction to satisfy the needs of different conditions.

Preferably, the loading attachment is connected including rotating the transportation frame of support top, transportation frame both ends are rotated and are connected with the live-rollers, be provided with on the live-rollers and encircle two the belt of live-rollers, be fixed with one of them drive on the transportation frame live-rollers pivoted material loading motor, be provided with on the transportation frame and be used for supporting the supporting component of transportation frame.

Through adopting above-mentioned technical scheme, the material loading motor starts, drives the live-rollers rotation, and the building stones that are located the belt top are shifted to in the jaw breaker under the effect of belt, realize whole material loading process.

Preferably, the supporting component comprises a supporting frame fixedly connected to two sides of the transportation frame and parallel to each other, a guide rod is fixed at the bottom of the supporting frame and convenient to slide on the upper surfaces of the main cushion high platform and the auxiliary cushion high platform, the guide rod is parallel to the main sliding groove, a plurality of guide rods are embedded on the lower surface of the guide rod, and the guide rods are convenient to move the rolling balls.

Through adopting above-mentioned technical scheme, the guide bar plays supporting role to the transportation frame, prevents to lead to the damage of belt because of belt direct action main high platform or vice high platform of filling up, and the setting up of spin is convenient for the guide bar and is filling up high platform and vice high bench motion at main.

Preferably, jaw breaker top opening part is fixed with the butt joint pole, offer on the butt joint pole and be used for the joint two joint grooves of guide bar rotate on the butt pole between two joint grooves and be connected with and be on a parallel with the live-rollers just prevents that the belt is in the guide roll of scraping on the butt joint pole.

Through adopting above-mentioned technical scheme, the guide bar joint is in the joint inslot, prevents to lead to the transportation frame to rotate along perpendicular to transportation frame length direction under the effect of external force in the transportation, leads to driving actuating cylinder to damage.

Preferably, the screening machine includes the screening machine body that plays the screening effect to building stones, fixes bracing piece, the drive in screening machine body below the vibrating motor of vibration from top to bottom of screening machine body, it is vertical to fix to go out the feed cylinder screening machine body below and to the separate transportation of the building stones of the different particle sizes of certain range class, the vertical installation section of thick bamboo that is fixed with of mount table upper surface the vertical installation section of thick bamboo of having seted up on the installation section of thick bamboo and run through a plurality of constant head tanks of installation section of thick bamboo lateral wall, be provided with vibrating spring in the installation section of thick bamboo, the vibrating spring lower extreme is fixed in the installation section of thick bamboo, the upper end is fixed terminal surface under the bracing piece, be fixed with the joint that slides on the bracing piece lateral wall and be in the.

Through adopting above-mentioned technical scheme, vibrating motor starts, and the bracing piece slides from top to bottom in the installation section of thick bamboo, makes the building stones that fall into the screening machine body divide the sieve.

Preferably, a material guide cylinder is fixed at the lower end of the discharge cylinder, and the material guide cylinder inclines downwards towards the central position far away from the mounting table.

Through adopting above-mentioned technical scheme, the setting of guide cylinder avoids the building stones directly to fall into on the mount table, leads to collecting the difficulty.

Preferably, the end part of the transportation frame, which is far away from the vehicle head, is fixed with a supporting leg which is used for abutting against the ground and has a supporting function, the supporting leg comprises a supporting leg rod which abuts against the ground and is H-shaped, a supporting leg cylinder which is H-shaped is sleeved outside the supporting leg rod, a telescopic cylinder which is connected with the supporting leg rod cross rod is fixed on the cross rod of the supporting leg cylinder, and a supporting ball which abuts against the ground is fixed at the lower end of the supporting leg rod.

By adopting the technical scheme, the telescopic cylinder is started to drive the supporting leg rods to slide in the supporting leg cylinders, so that the height of the tail of the transportation frame is adjusted, and the feeding is facilitated.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the mounting blocks slide in the main sliding groove and the auxiliary sliding groove, the transport frame is rotated in the vertical direction, one end of the transport frame is positioned at a feeding port of the jaw crusher, the other end of the transport frame is positioned above stone, the stone is crushed in the jaw crusher transported under the action of a belt, and the crushed stone is screened by a screening machine and discharged from a discharging barrel;

2. the setting in joint groove makes the guide bar joint in the joint inslot, prevents that the effect of external force from leading to the transportation frame to rotate along perpendicular to transportation frame length direction in the transportation, leads to driving actuating cylinder to damage.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a driving device according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a transportation rack according to an embodiment of the present application.

Figure 4 is the structural schematic diagram of screening machine of this application embodiment.

Description of reference numerals: 1. a headstock; 2. a vehicle body; 3. an installation table; 4. a mounting frame; 5. a jaw crusher; 6. screening machine; 7. a discharging barrel; 8. a main padding high platform; 9. a sub-bed high platform; 10. a drive device; 11. a feeding device; 12. a main chute; 13. an auxiliary chute; 14. a main mounting groove; 15. an auxiliary mounting groove; 16. a main lead screw; 17. a main motor; 18. an auxiliary lead screw; 19. a secondary motor; 20. a main slider; 21. a sub slider; 22. connecting grooves; 23. mounting blocks; 24. a limiting component; 25. a primary limit groove; 26. a secondary limiting groove; 27. a connecting rod; 28. a limiting ball; 29. a driving cylinder; 30. a support; 31. a transport rack; 32. a rotating roller; 33. a belt; 34. a feeding motor; 35. a support assembly; 36. a support frame; 37. a guide bar; 38. rolling a ball; 39. a butting rod; 40. a clamping groove; 41. a guide roller; 42. a screening machine body; 43. a support bar; 44. a vibration motor; 45. mounting the cylinder; 46. positioning a groove; 47. a vibration spring; 48. positioning blocks; 49. an end cap; 50. a material guide cylinder; 51. supporting legs; 52. a supporting leg cylinder; 53. a support leg bar; 54. a telescopic cylinder; 55. a support ball; 56. and (4) connecting the blocks.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a high-efficient portable jaw crushing screening machine. Referring to fig. 1, a high-efficient portable jaw crushing screening machine, including locomotive 1 and dull and stereotyped automobile body 2, surface mounting has the mount table 3 that is the level setting at automobile body 2, the vertical mounting bracket 4 that is fixed with of 3 upper surfaces of mount table, 4 upper ends of mounting bracket are fixed with jaw crusher 5, surface mounting has the screening machine 6 that is used for accepting the building stones after jaw crusher 5 breaks at mount table 3, be fixed with a plurality of different building stones of confession size at screening machine 6 lower extreme and pass through play feed cylinder 7, be fixed with the guide cylinder 50 of keeping away from mount table 3 central point position downward sloping towards at play feed cylinder 7 lower extreme, so that the transfer of stone.

Referring to fig. 1 and 2, a main mat height table 8 is fixed to the upper surface of the mounting table 3 along the length direction, an auxiliary mat height table 9 perpendicular to the main mat height table 8 is integrally formed at the tail of the main mat height table 8, the jaw crusher 5 and the sieving machine 6 are surrounded by the main mat height table 8 and the auxiliary mat height table 9, and a feeding device 11 and a driving device 10 for driving the feeding device 11 to slide on the main mat height table 8 and the auxiliary mat height table 9 are provided on the main mat height table 8.

Referring to fig. 2, a main chute 12 is vertically formed in the upper surface of a main heightening table 8 along the vehicle body movement direction, an auxiliary chute 13 perpendicular to the main chute 12 is vertically formed in the upper surface of an auxiliary heightening table 9, the auxiliary chute 13 and the main chute 12 are connected to each other, the depth of the auxiliary chute 13 is greater than that of the main chute 12, a main mounting groove 14 parallel to the main chute 12 and extending into the auxiliary chute 13 is vertically formed in the main heightening table 8 at the bottom of the main chute 12, an auxiliary mounting groove 15 parallel to the auxiliary chute 13 is formed in the auxiliary heightening table 9 at the bottom of the auxiliary chute 13, a driving device 10 includes a main screw 16 rotatably connected in the main mounting groove 14, an auxiliary screw 18 rotatably connected in the auxiliary chute 13, the main screw 16 and the auxiliary screw 18 are perpendicular to each other, the main screw 16 is higher than the auxiliary screw 18 in the vertical direction, a main motor 17 for driving the main screw 16 to rotate and an auxiliary motor 19 for driving the auxiliary screw 18 to rotate are respectively fixed in the main mounting groove 14 and, two main sliders 20 are screwed to the main motor 17, and two sub sliders 21 that do not interfere with the main sliders 20 are screwed to the sub motor 19

Referring to fig. 2, a connecting groove 22 parallel to the main mounting groove 14 and communicating with the auxiliary mounting groove 15 at the end is vertically formed on the main heightening table 8 at the bottom of the main sliding groove 12, an installation block 23 is slidably disposed in the main sliding groove 12 between the two main sliding blocks 20, a connecting block 56 slidably engaged with the connecting groove 22 is vertically fixed on the lower surface of the installation block 23, and when the main sliding block 20 pushes the installation block 23 to be located at the junction of the main sliding groove 12 and the auxiliary sliding groove 13, the connecting block 56 is located between the two auxiliary sliding blocks 21.

Referring to fig. 2, a main limiting groove 25 parallel to the connecting groove 22 is formed on the main heightening table 8 at the bottom of the connecting groove 22, an auxiliary limiting groove 26 perpendicular to the main limiting groove 25 and communicated with the main limiting groove 25 is formed on the auxiliary heightening table 9 at the bottom of the auxiliary mounting groove 15, the auxiliary limiting groove 26 is communicated with the auxiliary mounting groove 15 in the vertical direction, and the longitudinal sections of the main limiting groove 25 and the auxiliary limiting groove 26 are circles with openings. The connecting block 56 is provided with a limiting component 24 for preventing the mounting block 23 from separating from the main sliding groove 12 or the auxiliary sliding groove 13 in the moving process, the limiting component 24 comprises a connecting rod 27 vertically fixed on the lower surface of the connecting block 56, and a limiting ball 28 fixed at the lower end of the connecting rod 27, the limiting ball 28 can move and slide in the main limiting groove 25 and the auxiliary limiting groove 26, and when the mounting block 23 is located at the junction of the main sliding groove 12 and the auxiliary sliding groove 13, the limiting ball 28 is located at the joint of the ends of the main limiting groove 25 and the auxiliary limiting groove 26.

Referring to fig. 2 and 3, a cylinder groove is vertically formed in the upper surface of the mounting block 23, a driving cylinder 29 is fixed in the cylinder groove, a cylinder body of the driving cylinder 29 is fixed in the cylinder groove, a support 30 is fixed on a connecting rod of the driving cylinder 29, the feeding device 11 comprises a transport frame 31 rotatably connected above the support 30, the transport frame 31 is parallel to the moving direction of the vehicle body and can rotate in the vertical direction, rotating rollers 32 are rotatably connected to two ends of the transport frame 31, a belt 33 surrounding the two rotating rollers 32 and the transport frame 31 is arranged on the rotating rollers 32, and a feeding motor 34 for driving one of the rotating rollers 32 to rotate is fixed on the transport frame 31.

Referring to fig. 1 and 3, a supporting assembly 35 for supporting the transportation frame 31 is arranged on the transportation frame 31, the supporting assembly 35 comprises supporting frames 36 fixedly connected to two sides of the transportation frame 31 and parallel to each other, guide rods 37 parallel to each other are fixed at the bottoms of the supporting frames 36, the guide rods 37 are parallel to the moving direction of the vehicle body and abut against the upper surfaces of the main heightening table 8 or the auxiliary heightening table 9, the belt 33 is prevented from abutting against the main heightening table 8 or the auxiliary heightening table 9, damage to the belt 33 is avoided, and a plurality of rolling balls 38 convenient to move by the guide rods 37 are embedded in the lower surface of the guide rods 37. The mounting block 23 slides in the main chute 12 and the auxiliary chute 13 to drive the transportation frame 31 to move on the elevating platform or the auxiliary elevating platform 9, and when the mounting block 23 moves to a proper position in the auxiliary chute 13, the transportation frame 31 is rotated to enable one end of the transportation frame 31 to be at a material inlet of the jaw crusher 5.

Referring to fig. 1 and 3, an abutting rod 39 is fixed at an opening above the jaw crusher 5, two clamping grooves 40 used for clamping the guide rod 37 are formed in the abutting rod 39, the transportation frame 31 is prevented from sliding on the abutting rod 39 under the action of external force, the support 30 is damaged, and a guide roller 41 which is parallel to the rotating roller 32 and prevents the belt 33 from being scratched on the abutting rod 39 is rotatably connected to the abutting rod 39 between the clamping grooves 40.

Referring to fig. 1 and 4, screening machine 6 includes screening machine body 42 that plays the screening effect to building stones and fixes vibrating motor 44 in screening machine body 42 bottom and drive screening machine body 42 vibration from top to bottom, vertical a plurality of installation section of thick bamboo 45 of being fixed with of upper surface at mount table 3, vertical bracing piece 43 of wearing to establish in corresponding installation section of thick bamboo 45 of being fixed with of screening machine body 42 lower surface, vertically set up a plurality of constant head tanks 46 that run through installation section of thick bamboo 45 lateral wall on installation section of thick bamboo 45 outer wall, be provided with vibrating spring 47 in installation section of thick bamboo 45, vibrating spring 47 lower extreme is fixed in installation section of thick bamboo 45, the terminal surface under bracing piece 43 is fixed to the upper end, be fixed with the locating piece 48 of joint in constant head tank 46 that slides on bracing piece 43 outer wall, threaded connection has the end.

Referring to fig. 1 and 3, a supporting leg 51 capable of contacting with the ground is fixed at the end of the transportation frame 31 far away from the vehicle head 1, the supporting leg 51 comprises a supporting leg cylinder 52 fixed on the transportation frame 31 and in an "H" shape and a supporting leg 53 sleeved outside the H-shaped supporting leg 53 and in an "H" shape, a telescopic cylinder 54 connected with the cross bar of the supporting leg 53 is fixed on the cross bar of the supporting leg cylinder 52, the driving cylinder 29 is started to drive the supporting leg 53 to slide in the supporting leg cylinder 52, so as to adjust the height of the end of the transportation frame 31, and a supporting ball 55 abutted to the ground and having a supporting function is fixed at the lower end of the supporting leg 53.

The implementation principle of this application embodiment a high-efficient portable jaw crushing screening machine does: the main motor 17 is started to drive the main sliding blocks 20 to move, the mounting block 23 arranged between the two main sliding blocks 20 in a sliding mode moves to the junction of the main sliding groove 12 and the auxiliary sliding groove 13 along with the main sliding blocks 20, at the moment, the connecting block 56 is located between the two auxiliary sliding blocks 21, the main motor 17 stops rotating, the auxiliary motor 19 is started to drive the auxiliary sliding blocks 21 to slide, the mounting block 23 slides in the auxiliary sliding groove 13 under the pushing of the auxiliary sliding blocks 21, in the process, the conveying frame 31 is rotated, when the mounting block 23 moves to a specified position, the auxiliary motor 19 stops rotating, the guide rods 37 are clamped into the clamping grooves 40, the feeding motor 34 is started to drive the belt 33 to rotate, stone materials are conveyed into the jaw crusher 5 under the action of the belt 33 to be crushed, and are guided out from different guide cylinders 50 under the separation of the sieving machine 6.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high-efficient portable jaw crushing screening machine which characterized in that: including locomotive (1), automobile body (2) are improved level and are fixed with mount table (3), vertical surface is fixed with mounting bracket (4) on mount table (3), be fixed with jaw breaker (5) on mounting bracket (4), be fixed with screening machine (6) that are used for accepting broken back building stones on mount table (3) of jaw breaker (5) below, screening machine (6) lower extreme is provided with out feed cylinder (7), mount table (3) upper surface is provided with main high platform (8) of filling up along length direction, main high platform (8) afterbody integrated into one piece of filling up has the perpendicular to vice high platform (9) of filling up high platform (8), be provided with loading attachment (11) and drive on main high platform (8) of filling up and vice high platform (9) of filling up of loading attachment (11) slide and make the both ends of loading attachment (11) be located respectively the drive of jaw breaker (5) pan feeding mouth and building stones top is located respectively A motive device (10).

2. A high efficiency mobile jaw crushing and screening machine according to claim 1 wherein: the upper surface of the main cushion elevation platform (8) is provided with a main sliding groove (12) along the motion direction of the vehicle head (1), the upper surface of the auxiliary cushion elevation platform (9) is provided with an auxiliary sliding groove (13) communicated with the main sliding groove (12) along the motion direction vertical to the vehicle head (1), the bottom of the main sliding groove (12) is provided with a main mounting groove (14) parallel to the main sliding groove (12) and extending to the auxiliary sliding groove (13), the bottom of the auxiliary sliding groove (13) is provided with an auxiliary mounting groove (15) parallel to the auxiliary sliding groove (13), the driving device (10) comprises a main lead screw (16) rotatably connected in the main mounting groove (14), a main motor (17) driving the main lead screw (16) to rotate and an auxiliary lead screw (18) rotatably connected in the auxiliary mounting groove (15) and an auxiliary motor (19) driving the auxiliary lead screw (18) to rotate, and the main lead screw (16) and the auxiliary lead screw (18) are arranged in a staggered mode on a vertical plane, threaded connection has two main slider (20) on main lead screw (16), main spout (12) bottom seted up be on a parallel with main mounting groove (14) and at the tip with spread groove (22) of vice mounting groove (15) intercommunication, two main spout (12) internal slipping between main slider (20) is provided with installation piece (23), installation piece (23) lower fixed surface has connecting block (56), connecting block (56) joint that slides is in movable to vice spout (13) in spread groove (22), threaded connection has two to be used to the centre gripping on vice lead screw (18) vice slider (21) of connecting block (56), connecting block (56) bottom is provided with prevents installation piece (23) break away from spacing subassembly (24) of main spout (12) and vice spout (13).

3. A high efficiency mobile jaw crushing and screening machine according to claim 2 wherein: the utility model discloses a spacing assembly, including connecting block (56), connecting groove (22), vice mounting groove (15), main spacing groove (25) of being on a parallel with connecting groove (22) are seted up to connecting groove (22) bottom, perpendicular to has been seted up to vice mounting groove (15) bottom main spacing groove (25) and with vice spacing groove (26) of main spacing groove (25) intercommunication, vice spacing groove (26) in the vertical direction with vice mounting groove (15) intercommunication, main spacing groove (25) with vice spacing groove (26) longitudinal section is for having the open-ended circle, spacing subassembly (24) are including vertical the fixing connecting rod (27) of connecting block (56) lower surface with fix connecting rod (27) lower extreme and the joint that can slide are in spacing ball (28) in main spacing groove (25) or vice spacing groove (26).

4. A high efficiency mobile jaw crushing and screening machine according to claim 2 wherein: the feeding device is characterized in that a cylinder groove is vertically formed in the upper surface of the mounting block (23), a driving cylinder (29) is fixed in the cylinder groove, a support (30) is fixed on the upper surface of the driving cylinder (29), and the feeding device (11) is rotatably connected to the support (30).

5. A high efficiency mobile jaw crushing and screening machine according to claim 4 wherein: loading attachment (11) are connected including rotating transportation frame (31) of support (30) top, transportation frame (31) both ends are rotated and are connected with live-rollers (32), be provided with on live-rollers (32) and encircle two belt (33) of live-rollers (32), be fixed with one of them of drive on transportation frame (31) live-rollers (32) pivoted material loading motor (34), be provided with on transportation frame (31) and be used for supporting component (35) of transportation frame (31).

6. A high efficiency mobile jaw crushing and screening machine according to claim 5 wherein: supporting component (35) are including fixed connection transportation frame (31) both sides and support frame (36) that are parallel to each other, support frame (36) bottom is fixed with and is convenient for transportation frame (31) is at guide bar (37) that main bed of a high platform (8) and vice bed of a high platform (9) upper surface slided, guide bar (37) are on a parallel with main spout (12), guide bar (37) lower surface inlays and is equipped with a plurality of being convenient for guide bar (37) removal spin (38).

7. A high efficiency mobile jaw crushing and screening machine according to claim 6 wherein: jaw breaker (5) top opening part is fixed with and connects pole (39), offer on connecting pole (39) and be used for the joint two joint grooves (40), two of guide bar (37) it is parallel to rotate on connecting pole (39) between joint groove (40) and be connected with rotating roller (32) and prevent that belt (33) are in guide roll (41) of scraping on connecting pole (39).

8. A high efficiency mobile jaw crushing and screening machine according to claim 1 wherein: the screening machine (6) comprises a screening machine body (42) playing a screening role on stone materials, a supporting rod (43) fixed below the screening machine body (42) and a vibration motor (44) driving the screening machine body (42) to vibrate up and down, a discharge barrel (7) is vertically fixed below the screening machine body (42) and separately transports the stone materials with different particle sizes in a certain range, an installation barrel (45) is vertically fixed on the upper surface of the installation table (3), a plurality of positioning grooves (46) penetrating through the side wall of the installation barrel (45) are vertically formed in the installation barrel (45), a vibration spring (47) is arranged in the installation barrel (45), the lower end of the vibration spring (47) is fixed in the installation barrel (45), the upper end of the vibration spring is fixed on the lower end face of the supporting rod (43), and a positioning block (48) which is slidably clamped in the positioning grooves (46) is fixed on the side wall of the supporting rod, the upper end of the mounting cylinder (45) is in threaded connection with an end cover (49) which prevents the support rod (43) from being separated from the mounting cylinder (45).

9. A high efficiency mobile jaw crushing and screening machine according to claim 1 wherein: a material guide barrel (50) is fixed at the lower end of the discharging barrel (7), and the material guide barrel (50) is inclined downwards towards the central position far away from the mounting table (3).

10. A high efficiency mobile jaw crushing and screening machine according to claim 5 wherein: transport frame (31) are kept away from the end fixing of locomotive (1) has supporting legs (51) that are used for with ground butt and play supporting role, supporting legs (51) include with ground butt and be "H" shape supporting leg pole (53), supporting leg pole (53) overcoat connect with supporting leg section of thick bamboo (52) that are "H" shape together, be fixed with on the horizontal pole of supporting leg section of thick bamboo (52) connect telescopic cylinder (54) of supporting leg pole (53) horizontal pole, supporting leg pole (53) lower extreme is fixed with support ball (55) with ground butt.