CN108855338B

CN108855338B - High-efficient pair roll-type breaker

Info

Publication number: CN108855338B
Application number: CN201810592697.4A
Authority: CN
Inventors: 温龙龙
Original assignee: Funan Fortune Househld Crafts Co ltd
Current assignee: Anhui Huifeng Handicraft Co.,Ltd.
Priority date: 2018-06-11
Filing date: 2018-06-11
Publication date: 2020-04-28
Anticipated expiration: 2038-06-11
Also published as: CN108855338A

Abstract

The invention discloses a high-efficiency double-roller crusher, which comprises a crusher shell, wherein a discharge hole is formed in the outer wall of one side of the crusher shell, second sliding grooves are formed in the inner walls of the two sides of the discharge hole, a guide plate is arranged on the inner wall of one side of the crusher shell, first sliding grooves are formed in the inner walls of the two sides of the guide plate, a discharge groove is connected to the inner part of the first sliding groove in a sliding mode through a first sliding block, a first sliding block and a second sliding block are arranged on the outer wall of one side of the discharge groove, the high-efficiency double-roller crusher is provided with a rotary seat, crushing teeth, a driving compression roller, a driven compression roller, a hydraulic telescopic rod, a discharge groove and a discharge baffle, when the crusher works, the two compression rollers rotate oppositely, materials are crushed under the extrusion of the compression rollers, the crushed materials fall into the discharge groove and are discharged to the discharge hole through the discharge groove, and the, the smaller the gap, the higher the degree of pulverization.

Description

High-efficient pair roll-type breaker

Technical Field

The invention belongs to the technical field of double-roller crushers, and particularly relates to a high-efficiency double-roller crusher.

Background

The double-roller crusher is mainly used for crushing ores, is suitable for industries such as coal, metallurgy, mines, chemical industry, building materials and the like, and is more suitable for crushing raw coal (containing gangue) in large-scale coal mines or coal preparation plants.

However, the existing roller type crusher crushes ores by the extrusion force of the rollers during working, the crushing quality is low, the crushing degree in the working process of the crusher is not convenient to control, in addition, the existing crusher comprises a compression roller gap adjusting device and a safety spring buffer device, the buffering effect of the safety spring buffer device is easily influenced in the process of adjusting the compression roller gap, and the discharging groove is easily moved in the discharging process of the crusher due to overlarge pressure, so that the internal crushing effect of the crusher is reduced.

Disclosure of Invention

The invention aims to provide a high-efficiency double-roller crusher to solve the problems that the crushing degree of the crusher in the working process is not convenient to control, the buffering effect of a safety spring buffering device is easily influenced when the gap between rollers is adjusted, and a discharge groove is easily moved due to overlarge pressure.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high-efficient to roll-type breaker, includes the breaker shell, the bin outlet has been seted up to one side outer wall of breaker shell, the second spout has all been seted up to the both sides inner wall of bin outlet, the baffle is installed to one side inner wall of breaker shell, first spout has all been seted up to the both sides inner wall of baffle, there is the row silo inside through first slider sliding connection of first spout, first slider and second slider are installed to one side outer wall of row silo, first slider is located one side of second slider, and just first slider and second slider are located the inside of first spout and second spout respectively, hydraulic telescoping rod, second safety spring and locating lever are installed to the bottom of row silo, second safety spring is located between hydraulic telescoping rod and the locating lever, the position department that the breaker shell is inside to be located row silo top installs the rotary seat, Initiative compression roller and driven compression roller, the initiative compression roller is located between gyration seat and the driven compression roller, the gyration seat is close to one side outer wall of initiative compression roller and installs broken tooth, and the gyration seat is close to one side outer wall of arranging the silo and installs row material baffle.

Preferably, isolator and locking valve are installed to the inside bottom of breaker shell, the locking valve is located isolator's one side, and the locking valve is connected with the locating lever, the locating lever is close to one side outer wall of locking valve and has seted up first tooth's socket, the internally mounted of locking valve has magnetic path and electrical coil, be connected with connecting spring between magnetic path and the electrical coil, and the magnetic path is kept away from one side of electrical coil and has been seted up the second tooth's socket.

Preferably, the base is installed to the bottom of breaker shell, the internally mounted of base has the PLC controller and contracts the cover, it is located one side of PLC controller to contract the cover, and contracts the cover and be connected with one of them end of locating lever, the position department that the base top is located breaker shell one side installs the alignment jig fixing base.

Preferably, the internally mounted of alignment jig fixing base has the gear, and one side of alignment jig fixing base installs the second motor, the gear rotates through the pivot with the second motor to be connected, and one side of gear is connected with the alignment jig through the pinion rack meshing, the internally mounted of alignment jig has fixed plate and first safety spring, first safety spring is located one side of fixed plate, nut cover is all installed to the both sides outer wall of alignment jig, the intermediate position department of nut cover runs through there is spacing bolt, the one end of spacing bolt is connected with reset spring and spacer pin through the connecting plate, the spacer pin is located reset spring's intermediate position department.

Preferably, the outer walls of the two sides of the crusher shell are provided with slide rails, the inner portion of each slide rail is connected with a shaft end seat in a sliding mode, each shaft end seat is rotatably connected with a driven compression roller through a rotating shaft, the outer walls of the two sides of each shaft end seat are provided with moving blocks, the moving blocks are connected with the adjusting frames in a sliding mode through moving grooves, and the moving blocks are provided with limiting grooves.

Preferably, the top end of the crusher shell is provided with a first motor and a blanking hopper, the first motor is located on one side of the blanking hopper, one end of the first motor is connected with a reduction gearbox through a rotating shaft in a rotating mode, one side of the reduction gearbox is connected with a belt pulley box through a rotating shaft in a rotating mode, the belt pulley box is connected with the driving compression roller through a rotating shaft in a rotating mode, the hydraulic telescopic rod and the electrified coil are both electrically connected with the isolating switch, and the first motor, the isolating switch and the second motor are all electrically connected with the PLC.

Compared with the prior art, the invention has the following beneficial effects:

(1) the invention is provided with a rotary seat, crushing teeth, a driving compression roller, a driven compression roller, a hydraulic telescopic rod, a discharge groove and a discharge baffle plate, wherein when the crusher works, the two compression rollers rotate oppositely, materials are crushed under the extrusion of the compression rollers, the crushed materials fall into the discharge groove and are discharged from the discharge groove to a discharge opening, the size of a gap between the discharge groove and the discharge baffle plate determines the crushing degree of the discharged crushed materials, the smaller the gap is, the higher the crushing degree is, the gap between the discharge groove and the discharge baffle plate is adjustable, when the gap between the discharge groove and the discharge baffle plate is adjusted, a PLC controller controls the hydraulic telescopic rod to be started through an isolating switch, the upper position and the lower position of the discharge groove are changed through the expansion and contraction of the hydraulic telescopic rod, the discharge groove slides with a first chute and a second chute through a first slide block and a second slide block respectively during the moving process, and when the discharge groove, the clearance increase, on the contrary, when arranging the material groove and shifting up, the clearance reduces, the crushed aggregates that initiative compression roller and driven compression roller rolled in addition is greater than row material clearance, the crushed aggregates can't be got rid of, the initiative compression roller is brought this crushed aggregates into the clearance with the gyration seat at the pivoted in-process, carry out crushing operation once more to the crushed aggregates through broken tooth, and bring the crushed aggregates after the breakage into again between initiative compression roller and the driven compression roller, carry out third time crushing operation, so circulate, until all materials all are broken, arrange the material groove, improve holistic crushing quality of breaker and efficiency under mutually supporting of gyration seat and two compression rollers, make the material crushing degree of breaker controllable under hydraulic telescoping rod's regulation and control in addition, be convenient for different user demands.

(2) The invention is provided with a second motor, a toothed plate, a gear, a limit bolt, a nut sleeve, a connecting plate, a limit pin and a limit groove, when the gap between the press rolls is adjusted, firstly, the relative position between the shaft end seat of the driven press roll and the adjusting bracket is limited by a limit device, then the second motor is started, the second motor drives the gear inside the fixing seat of the adjusting bracket to rotate through the rotating shaft, the gear is meshed with the toothed plate at the bottom end of the adjusting bracket to push the adjusting bracket to move, the adjusting bracket drives the shaft end seat to move inside the sliding rail, the shaft end seat drives the driven press roll to move through the rotating shaft, thereby realizing the intermittent adjustment of the press rolls, a limit mechanism formed by the limit bolt can effectively limit the relative position between the adjusting bracket and the shaft end seat, the intermittent adjustment of the press rolls is convenient to realize during the limitation, the shaft end seat is in a safe buffering state when the, overall structure makes the regulation of compression roller clearance and buffer's use each other not influence, the regulation in the clearance of being convenient for on the one hand, and on the other hand guarantees the safety in utilization of compression roller.

(3) The invention is provided with a locking valve, a positioning rod, a first tooth groove, a second tooth groove and a magnetic block, when the discharge chute moves to a proper position, the hydraulic telescopic rod is closed, the PLC controller controls the isolating switch to turn to the locking valve, the energizing coil is energized, repulsive force is generated between the energizing coil and the magnetic block after the energizing coil is energized, the magnetic block is pushed out of the locking valve, a second tooth groove on one side of the magnetic block is meshed with a first tooth groove on the positioning rod, thereby completing the position limitation of the positioning rod, the connecting spring is in an extension state when the locking valve is in a limited state, the locking valve is convenient to automatically unlock when the discharge groove moves, the position limitation of the positioning rod is realized through the clamping of the tooth grooves, thereby ensuring the stability of the discharge groove during positioning, avoiding the discharge groove moving caused by overlarge pressure during the working of the crusher, in addition, the isolating switch can effectively prevent the locking valve and the hydraulic telescopic rod from being electrified simultaneously, so that the phenomenon that the discharging groove is not unlocked when moving can be effectively avoided.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a rear view of the present invention;

FIG. 4 is a side view of the present invention;

FIG. 5 is a schematic view of the latching valve of the present invention;

FIG. 6 is an enlarged view of the invention at A;

FIG. 7 is a block circuit diagram of the present invention;

in the figure: 1-a first motor, 2-a rotary seat, 3-crushing teeth, 4-a driving press roller, 5-a crusher shell, 6-a blanking hopper, 7-a driven press roller, 8-a first safety spring, 9-a fixed plate, 10-an adjusting frame, 11-an adjusting frame fixed seat, 12-a machine base, 13-a guide plate, 14-a hydraulic telescopic rod, 15-an isolating switch, 16-a second safety spring, 17-a PLC (programmable logic controller), 18-a locking valve, 19-a retraction sleeve, 20-a positioning rod, 21-a discharge groove, 22-a second chute, 23-a second slide block, 24-a discharge port, 25-a discharge baffle, 26-a first tooth groove, 27-a first slide block, 28-a first chute, 29-a belt wheel box, 30-a slide rail, 31-shaft end seat, 32-second motor, 33-reduction box, 34-toothed plate, 35-gear, 36-moving groove, 37-moving block, 38-second tooth groove, 39-magnetic block, 40-connecting spring, 41-electrified coil, 42-limiting bolt, 43-nut sleeve, 44-connecting plate, 45-reset spring, 46-limiting pin and 47-limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides a high-efficient pair roller crusher, including crusher shell 5, bin outlet 24 has been seted up to one side outer wall of crusher shell 5, second spout 22 has all been seted up to the both sides inner wall of bin outlet 24, baffle 13 is installed to one side inner wall of crusher shell 5, first spout 28 has all been seted up to the both sides inner wall of baffle 13, there is the row of material groove 21 inside through first slider 27 sliding connection, first slider 27 and second slider 23 are installed to one side outer wall of row of material groove 21, first slider 27 is located one side of second slider 23, and first slider 27 and second slider 23 are located the inside of first spout 28 and second spout 22 respectively, hydraulic telescoping rod 14, second safety spring 16 and locating lever 20 are installed to the bottom of row of material groove 21, second safety spring 16 is located between hydraulic telescoping rod 14 and locating lever 20, revolving bed 2 is installed to the position department that crusher shell 5 is inside to be located row of material groove 21 top, The crusher comprises a driving compression roller 4 and a driven compression roller 7, wherein the driving compression roller 4 is positioned between a rotary seat 2 and the driven compression roller 7, crushing teeth 3 are arranged on the outer wall of one side, close to the driving compression roller 4, of the rotary seat 2, a discharge baffle 25 is arranged on the outer wall of one side, close to a discharge groove 21, of the rotary seat 2, when the crusher works, the two compression rollers rotate oppositely, materials are crushed under the extrusion of the compression rollers, the crushed materials fall into the discharge groove 21 and are discharged from the discharge groove 21 to a discharge opening 24, the size of a gap between the discharge groove 21 and the discharge baffle 25 determines the crushing degree of the discharged crushed materials, the smaller the gap is, the higher the crushing degree is, the gap between the discharge groove 21 and the discharge baffle 25 is adjustable, when the gap between the discharge groove 21 and the discharge baffle 25 is adjusted, the upper position and the lower position of the discharge groove 21 are changed through the extension and retraction of a hydraulic telescopic rod 14, and the discharge groove 21 slides with a first sliding chute 28 and a second, when arranging material groove 21 and shifting up, the clearance reduces, and the crushed aggregates that initiative compression roller 4 and driven compression roller 7 crushed are greater than when arranging the material clearance in addition, and the crushed aggregates can't be got rid of, and initiative compression roller 4 brings this crushed aggregates into the clearance with revolving bed 2 at the pivoted in-process, carries out crushing operation once more to the crushed aggregates through broken tooth 3 to bring the crushed aggregates into once more between initiative compression roller 4 and the driven compression roller 7, carry out the crushing operation of third time, so circulate, until all materials all are smashed.

In the present invention, it is preferable that the bottom end inside the crusher housing 5 is mounted with a disconnector 15 and a locking valve 18, the locking valve 18 being located at one side of the disconnector 15, the locking valve 18 is connected with the positioning rod 20, the outer wall of one side of the positioning rod 20 close to the locking valve 18 is provided with a first tooth slot 26, a magnet 39 and an electrified coil 41 are arranged inside the locking valve 18, a connecting spring 40 is connected between the magnet 39 and the electrified coil 41, and the side of the magnetic block 39 far away from the electrified coil 41 is provided with a second tooth groove 38, when the positioning rod 20 is locked, the PLC 17 controls the isolating switch 15 to rotate to the locking valve 18, so that the energizing coil 41 is energized, and after the energizing coil 41 is energized, repulsive force is generated between the energized coil and the magnetic blocks 39, the magnetic blocks 39 are pushed out of the locking valve 18, the second tooth slot 38 on one side of the magnetic block 39 is engaged with the first tooth slot 26 on the positioning rod 20, thereby completing the position limitation of the positioning rod 20.

In the invention, preferably, the base 12 is installed at the bottom of the crusher shell 5, the PLC controller 17 and the retraction sleeve 19 are installed inside the base 12, the retraction sleeve 19 is located on one side of the PLC controller 17, the retraction sleeve 19 is connected with one end of the positioning rod 20, the adjusting bracket fixing seat 11 is installed at the position, located on one side of the crusher shell 5, of the top end of the base 12, the retraction sleeve 19 is used for extending and shortening the positioning rod 20, and the PLC controller 17 is used for regulating and controlling the using state of the whole crusher in the using process.

In the invention, preferably, a gear 35 is installed inside the adjusting frame fixing seat 11, a second motor 32 is installed on one side of the adjusting frame fixing seat 11, the gear 35 is rotatably connected with the second motor 32 through a rotating shaft, an adjusting frame 10 is engaged and connected with one side of the gear 35 through a toothed plate 34, a fixing plate 9 and a first safety spring 8 are installed inside the adjusting frame 10, the first safety spring 8 is located on one side of the fixing plate 9, nut sleeves 43 are installed on outer walls of two sides of the adjusting frame 10, a limit bolt 42 penetrates through the middle position of the nut sleeve 43, one end of the limit bolt 42 is connected with a return spring 45 and a limit pin 46 through a connecting plate 44, the limit pin 46 is located at the middle position of the return spring 45, when the nip is adjusted, the relative position between the shaft end seat 31 of the driven press roll 7 and the adjusting frame 10 is firstly limited through a limit device, when the relative position, screw up the spacing bolt 42 of alignment jig 10 both sides, spacing bolt 42 produces the displacement with nut cover 43 when rotating, thereby promote spacer pin 46 through connecting plate 44 and remove to spacing groove 47, compress reset spring 45 simultaneously, when spacer pin 46 blocks into spacing groove 47 inside completely, accomplish the injecing between axle end seat 31 and the alignment jig 10, then start second motor 32, second motor 32 drives the inside gear 35 of alignment jig fixing base 11 through the pivot and rotates, and gear 35 and the pinion rack 34 intermeshing of alignment jig 10 bottom, thereby promote the alignment jig 10 and remove, alignment jig 10 drives axle end seat 31 again and removes inside slide rail 30, axle end seat 31 drives driven compression roller 7 through the pivot and removes, thereby realize the regulation of intermittent type compression roller.

In the invention, preferably, the outer walls of the two sides of the crusher housing 5 are both provided with a slide rail 30, the interior of the slide rail 30 is slidably connected with a shaft end seat 31, the shaft end seat 31 is rotatably connected with the driven compression roller 7 through a rotating shaft, the outer walls of the two sides of the shaft end seat 31 are both provided with a movable block 37, the movable block 37 is slidably connected with the adjusting frame 10 through a movable groove 36, the movable block 37 is provided with a limit groove 47, the shaft end seat 31 enables the driven compression roller 7 to move and effectively rotate, and the slide rail 30 is used for ensuring the stability of the shaft end seat 31 during movement.

In the invention, preferably, a first motor 1 and a blanking hopper 6 are installed at the top end of a crusher shell 5, the first motor 1 is located on one side of the blanking hopper 6, one end of the first motor 1 is rotatably connected with a reduction gearbox 33 through a rotating shaft, one side of the reduction gearbox 33 is rotatably connected with a pulley box 29 through a rotating shaft, the pulley box 29 is rotatably connected with a driving compression roller 4 through a rotating shaft, a hydraulic telescopic rod 14 and an electrified coil 41 are electrically connected with an isolating switch 15, the first motor 1, the isolating switch 15 and a second motor 32 are electrically connected with a PLC (programmable logic controller) 17, when the crusher works, materials are fed into the crusher from the blanking hopper 6, the reduction gearbox 33 and the pulley box 29 are driven by the first motor 1 to rotate, and therefore the driving compression roller 4 is driven to rotate.

The working principle and the using process of the invention are as follows: when the crusher is used, the gap between the driving compression roller 4 and the driven compression roller 7 is adjusted according to an actual crushing ratio, when the compression roller gap is adjusted, firstly, the relative position between the shaft end seat 31 of the driven compression roller 7 and the adjusting frame 10 is limited through the limiting device, when the relative position is limited, the limiting bolts 42 on two sides of the adjusting frame 10 are screwed, when the limiting bolts 42 rotate, the limiting bolts and the nut sleeves 43 generate displacement, so that the limiting pins 46 are pushed to move into the limiting grooves 47 through the connecting plates 44, meanwhile, the return springs 45 are compressed, when the limiting pins 46 are completely clamped into the limiting grooves 47, the limitation between the shaft end seat 31 and the adjusting frame 10 is completed, then, the second motor 32 is started, the second motor 32 drives the gear 35 inside the adjusting frame fixing seat 11 to rotate through the rotating shaft, the gear 35 is mutually meshed with the toothed plate 34 at the bottom end of the adjusting frame 10, the adjusting frame 10 drives the shaft end seat 31 to move inside the sliding, the shaft end seat 31 drives the driven compression roller 7 to move through the rotating shaft, thereby realizing intermittent adjustment of the compression roller, after gap adjustment is completed, limitation of a limit bolt 42 is loosened, at the moment, the shaft end seat 31 and the adjusting frame 10 are in a relative movement state, the shaft end seat 31, a first safety spring 8 and a fixing plate 9 in the adjusting frame 10 form a safety spring buffer device so as to ensure that the compression roller can move away when a particularly hard material falls in the crushing process, ensure normal work of the compression roller and prolong the service life of the compression roller, when the crusher works, the material is fed into the crusher from the blanking hopper 6, the driving compression roller 4 is driven by the first motor 1 to rotate, the two compression rollers rotate oppositely under the action of friction force, the material is crushed under the extrusion of the compression roller, the crushed material falls into the discharge groove 21 and is discharged from the discharge groove 21 to the discharge opening 24, and the gap between the discharge groove 21 and the discharge baffle 25 determines the crushing degree of the discharged crushed material, the smaller the gap is, the higher the crushing degree is, the gap between the discharge groove 21 and the discharge baffle 25 is adjustable, when the gap between the discharge groove 21 and the discharge baffle 25 is adjusted, the PLC 17 controls the hydraulic telescopic rod 14 to start through the isolating switch 15, the upper and lower positions of the discharge groove 21 are changed through the expansion and contraction of the hydraulic telescopic rod 14, the discharge groove 21 slides with the first sliding groove 28 and the second sliding groove 22 through the first sliding block 27 and the second sliding block 23 respectively in the moving process, when the discharge groove 21 moves downwards, the gap is increased, otherwise, when the discharge groove 21 moves upwards, the gap is reduced, when the crushed material crushed by the driving compression roller 4 and the driven compression roller 7 is larger than the gap, the crushed material cannot be discharged, the driving compression roller 4 brings the crushed material into the gap with the rotary base 2 in the rotating process, the crushed material is crushed by the crushing teeth 3 again, and the crushed material is brought into the gap between the driving compression roller 4 and the driven compression roller 7 again, and performing a third crushing operation, circulating the operation until all the materials are crushed, and in addition, in the moving process of the discharge groove 21, in order to ensure the fixed position of the discharge groove 21 to be stable, locking the positioning rod 20 at the bottom end of the discharge groove 21 by using the locking valve 18, for example, when the discharge groove 21 moves to a proper position, closing the hydraulic telescopic rod 14, controlling the isolating switch 15 by using the PLC 17 to rotate to the locking valve 18, so that the energizing coil 41 is energized, repulsive force is generated between the energized energizing coil 41 and the magnetic block 39, the magnetic block 39 is pushed out of the locking valve 18, the second tooth socket 38 on one side of the magnetic block 39 is meshed with the first tooth socket 26 on the positioning rod 20, the position of the positioning rod 20 is limited, when the locking valve 18 is in a limited state, the connecting spring 40 is in an extended state, and the automatic unlocking of the locking valve.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-efficiency pair-roller crusher, comprising a crusher housing (5), characterized in that: a discharge hole (24) is formed in the outer wall of one side of the crusher shell (5), second sliding grooves (22) are formed in the inner walls of two sides of the discharge hole (24), a guide plate (13) is installed on the inner wall of one side of the crusher shell (5), first sliding grooves (28) are formed in the inner walls of two sides of the guide plate (13), a discharge groove (21) is connected to the inner portion of each first sliding groove (28) in a sliding mode through a first sliding block (27), a first sliding block (27) and a second sliding block (23) are installed on the outer wall of one side of the discharge groove (21), the first sliding block (27) is located on one side of the second sliding block (23), the first sliding block (27) and the second sliding block (23) are located inside the first sliding groove (28) and the second sliding groove (22) respectively, a hydraulic telescopic rod (14), a second safety spring (16) and a positioning rod (20) are installed at the bottom end of, the second safety spring (16) is positioned between the hydraulic telescopic rod (14) and the positioning rod (20), a rotary seat (2), a driving compression roller (4) and a driven compression roller (7) are installed at a position, which is positioned above the discharging groove (21), in the crusher shell (5), the driving compression roller (4) is positioned between the rotary seat (2) and the driven compression roller (7), crushing teeth (3) are installed on the outer wall of one side, which is close to the driving compression roller (4), of the rotary seat (2), and a discharging baffle plate (25) is installed on the outer wall of one side, which is close to the discharging groove (21), of the rotary seat (2); isolator (15) and locking valve (18) are installed to inside bottom of breaker shell (5), locking valve (18) are located one side of isolator (15), and locking valve (18) are connected with locating lever (20), first tooth's socket (26) have been seted up to one side outer wall that locating lever (20) are close to locking valve (18), the internally mounted of locking valve (18) has magnetic block (39) and circular telegram coil (41), be connected with between magnetic block (39) and circular telegram coil (41) connecting spring (40), and second tooth's socket (38) have been seted up to one side that circular telegram coil (41) were kept away from in magnetic block (39).

2. A high-efficiency pair roller crusher according to claim 1, wherein: frame (12) are installed to the bottom of breaker shell (5), the internally mounted of frame (12) has PLC controller (17) and contracts cover (19), it is located one side of PLC controller (17) to contract cover (19), and contracts cover (19) and be connected with one of them end of locating lever (20), position department that frame (12) top is located breaker shell (5) one side installs alignment jig fixing base (11).

3. A high-efficiency pair roller crusher according to claim 2, wherein: a gear (35) is arranged inside the adjusting frame fixing seat (11), a second motor (32) is arranged on one side of the adjusting frame fixing seat (11), the gear (35) is rotatably connected with the second motor (32) through a rotating shaft, and one side of the gear (35) is engaged and connected with an adjusting frame (10) through a toothed plate (34), a fixing plate (9) and a first safety spring (8) are arranged in the adjusting frame (10), the first safety spring (8) is positioned at one side of the fixed plate (9), the outer walls at two sides of the adjusting frame (10) are respectively provided with a nut sleeve (43), a limit bolt (42) penetrates through the middle position of the nut sleeve (43), one end of the limiting bolt (42) is connected with a return spring (45) and a limiting pin (46) through a connecting plate (44), the limiting pin (46) is positioned in the middle of the return spring (45).

4. A high-efficiency pair roller crusher according to claim 2, wherein: slide rails (30) are installed on the outer walls of the two sides of the crusher shell (5), a shaft end seat (31) is connected to the inner portion of each slide rail (30) in a sliding mode, the shaft end seat (31) is rotatably connected with the driven compression roller (7) through a rotating shaft, moving blocks (37) are installed on the outer walls of the two sides of the shaft end seat (31), the moving blocks (37) are slidably connected with the adjusting frame (10) through moving grooves (36), and limiting grooves (47) are formed in the moving blocks (37).

5. A high-efficiency pair roller crusher according to claim 4, characterized in that: first motor (1) and lower hopper (6) are installed on the top of breaker shell (5), first motor (1) is located one side of hopper (6) down, and the one end of first motor (1) is rotated through the pivot and is connected with reducing gear box (33), one side of reducing gear box (33) is rotated through the pivot and is connected with pulley case (29), pulley case (29) is rotated through the pivot with initiative compression roller (4) and is connected, hydraulic telescoping rod (14) and circular telegram coil (41) all with isolator (15) electric connection, first motor (1), isolator (15) and second motor (32) all with PLC controller (17) electric connection.