CN215197281U - Impact frame adjusting device and crusher - Google Patents

Abstract

The utility model belongs to the technical field of the broken processing technique of material and specifically relates to a counterattack frame adjusting device and breaker are related to. This impact frame adjusting device includes the alignment jig, compress tightly the subassembly, adjusting lever and adjusting nut subassembly, it is used for installing on the casing of breaker to compress tightly the subassembly, compress tightly subassembly and alignment jig looks butt, it is used for applying the packing force of being close to the casing direction motion to the alignment jig to compress tightly the subassembly, the one end butt alignment jig of adjusting nut subassembly, the other end butt casing of adjusting nut subassembly, the adjusting nut subassembly includes first nut, the one end and the first nut threaded connection of adjusting lever, the other end of adjusting lever is used for being connected with the impact frame of breaker. The utility model provides a counterattack frame adjusting device adopts the setting to compress tightly the packing force that the subassembly realized can the independent control alignment jig, adopts rotatory first nut to realize can the independent control ejection of compact granularity, solves the technical problem that current breaker can not the independent control packing force and ejection of compact granularity.

Description

Impact frame adjusting device and crusher

Technical Field

The utility model belongs to the technical field of the broken processing technique of material and specifically relates to a counterattack frame adjusting device and breaker are related to.

Background

A crusher is a crushing machine for crushing materials by impact, and is commonly used for crushing ores, coals, limes, and the like. The impact crusher is one kind of crusher, and its working principle is that the rotation of rotor makes stone collide with plate hammer, stone and impact plate at high speed to crush stone. The impact crusher is widely applied to material crushing treatment in various occasions such as mines, quarries, building garbage treatment and the like.

Referring to fig. 1, the conventional impact crusher comprises a frame 1 and a rotor 14, wherein a hook 2 with an anti-slip safety clamp 3 is welded on the frame 1, an impact frame 9 is hung on the hook 2 through a hanging shaft 4, an impact lining plate 10 is inlaid on the impact frame 9, the impact frame 9 is pulled against the frame 1 through a hanging adjusting bolt 6, an adjusting nut 5 and a spring 8, a safety limit pin 7 is installed on the hanging adjusting bolt 6, and a plate hammer 13 is installed on the outer edge of the rotor 14. The spring 8 exerts a pressing force on the reaction frame 9.

Meanwhile, the worker rotates the adjusting bolt 6 to move the impact frame 9 connected to the adjusting bolt 6, so that the gap between the impact liner 10 and the plate hammer 13 is changed, and the size of the discharged particle size is changed. Therefore, the existing crusher cannot adjust the pressing force and the discharging granularity independently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an impact frame adjusting device and breaker aims at solving the technical problem that current breaker can not independent adjustment packing force and ejection of compact granularity.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a counterattack frame adjusting device for breaker, including alignment jig, pressure subassembly, adjusting lever and adjusting nut subassembly, the pressure subassembly is used for installing on the casing of breaker, the pressure subassembly with alignment jig looks butt, the pressure subassembly is used for to the alignment jig applys towards the packing force that is close to the casing direction motion, the one end butt of adjusting nut subassembly the alignment jig, the other end butt of adjusting nut subassembly the casing, the adjusting nut subassembly includes first nut, the one end of adjusting lever with first nut threaded connection, the other end of adjusting lever is used for being connected with the counterattack frame of breaker.

In one embodiment, the pressing assembly comprises an installation rod, a pressing spring and a second nut, one end of the installation rod is fixedly installed on the casing, and the other end of the installation rod sequentially penetrates through the adjusting frame and the pressing spring in a movable mode and then is in threaded connection with the second nut.

In one embodiment, the pressing assembly further comprises a pressing auxiliary plate located between the second nut and the pressing spring, and the pressing auxiliary plate is in surface contact with the second nut and the pressing spring respectively.

In one embodiment, the hold-down assembly further comprises a spring protection sleeve that sleeves the hold-down spring.

In one embodiment, the impact frame adjustment apparatus further comprises a first bearing plate for mounting on the housing, the first bearing plate being located between the housing and the adjustment nut assembly.

In one embodiment, the impact frame adjustment device further comprises an adjustment drive mounted to the adjustment frame, the adjustment drive having a telescoping drive shaft that telescopes into abutment with the housing.

In one embodiment, the impact frame adjusting device further includes a second bearing plate, the second bearing plate is configured to be mounted on the housing, the second bearing plate is located between the housing and the adjusting driving member, and the driving shaft is retractable to abut against the second bearing plate.

In one embodiment, the adjusting nut assembly further includes an adjusting shim detachably sleeved on the adjusting rod, and the adjusting shim is located between the casing and the first nut, or between the first nut and the adjusting bracket.

In one embodiment, the adjusting nut assembly further comprises an oil filling gasket and an oil cup, the oil filling gasket is sleeved on the adjusting rod and located on one side of the first nut, the oil filling gasket is provided with an oil filling opening, and the oil cup is installed at the oil filling opening.

The utility model also provides a crusher, which comprises a casing, a rotor part, an impact frame, an impact plate and the impact frame adjusting device, wherein the casing is provided with a crushing cavity, a feeding port, a discharging port and a mounting hole, and the feeding port and the discharging port are respectively communicated with the crushing cavity; the rotor part is rotatably arranged in the crushing cavity; the impact frame is positioned in the crushing cavity and can be rotatably arranged on the inner wall of the shell; the impact plate is arranged on the impact frame and is positioned on one side of the impact frame close to the rotor part, and a gap is formed between the impact plate and the rotor part; the pressing assembly is installed on the machine shell, and the other end of the adjusting rod penetrates through the installation hole and then is connected with the counterattack frame.

The utility model provides a counterattack frame adjusting device and breaker's beneficial effect is: the pressing force of the adjusting frame can be adjusted independently by arranging the pressing assembly, the discharging granularity can be adjusted independently by rotating the first nut, and the technical problem that the pressing force and the discharging granularity cannot be adjusted independently by an existing crusher is solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

FIG. 1 is a schematic view of a prior art impact crusher;

fig. 2 is a schematic structural diagram of a crusher according to an embodiment of the present invention;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a left side view of FIG. 3;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is an enlarged view of FIG. 5 at A;

FIG. 7 is a schematic view of the impact frame adjustment mechanism of the crusher of FIG. 2;

FIG. 8 is another perspective view of the recoil rack adjustment device of FIG. 7;

FIG. 9 is an enlarged view of FIG. 8 at B;

FIG. 10 is a schematic view of a positioning member of the impact frame adjustment apparatus of FIG. 7;

FIG. 11 is a schematic view of the attachment of the counterattack bracket adjustment assembly of FIG. 7;

FIG. 12 is a schematic view of the mounting of the counterattack bracket adjustment assembly of FIG. 7;

fig. 13 is a left side view of fig. 12.

Wherein, in the figures, the respective reference numerals:

1-a frame, 2-a hook, 3-an anti-slip safety clamp, 4-a hanging shaft, 5-an adjusting nut, 6-a hanging adjusting bolt, 7-a safety limit pin, 8-a spring, 9-a counterattack frame, 10-a counterattack lining plate, 13-a board hammer and 14-a rotor;

100-enclosure, 101-crushing chamber, 102-feeding port, 103-discharging port, 104-mounting hole, 107-lining plate;

200-rotor part, 210-rotor part, 220-plate hammer, 230-motor;

300-impact frame, 310-rib plate;

400-impact plate, 401-impact lining plate;

500-impact frame adjusting device, 510-adjusting frame, 520-pressing component, 521-mounting rod, 522-pressing spring, 523-second nut, 524-spring protection sleeve component, 525-pressing auxiliary plate, 530-adjusting rod, 540-adjusting nut component, 541-first nut, 542-buffer gasket, 543-oiling gasket, 544-oil cup, 545-adjusting gasket, 550-positioning component, 551-vertical plate, 552-first horizontal plate, 5521-clamping groove, 553-second horizontal plate, 5531-connecting hole, 560-connecting component, 561-straight rod part, 562-curved rod part, 5621-concave part, 570-adjusting driving component, 571-driving shaft, 580-first bearing plate, 590-second bearing plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 2 to 5, a crusher comprises a casing 100, a rotor portion 200, an impact frame 300, an impact plate 400 and an impact frame adjusting device 500, wherein the casing 100 is provided with a crushing cavity 101, a feed opening 102, a discharge opening 103 and a mounting hole 104, and the feed opening 102 and the discharge opening 103 are respectively communicated with the crushing cavity 101. The rotor portion 200 is rotatably mounted in the crushing chamber 101. The impact frame 300 is located within the crushing chamber 101 and is rotatably mounted to the inner wall of the casing 100. The impact plate 400 is mounted to the impact frame 300 on the side of the impact frame 300 near the rotor portion 200. There is a gap between the reaction plate 400 and the rotor portion 200.

Referring to fig. 7 to 9 together, the backstroke frame adjustment mechanism 500 includes an adjusting frame 510, a pressing assembly 520, an adjusting rod 530 and an adjusting nut assembly 540. The adjusting frame 510 is located outside the casing 100, the pressing assembly 520 is mounted on the casing 100, the pressing assembly 520 abuts against the adjusting frame 510, the pressing assembly 520 is used for applying a pressing force to the adjusting frame 510, the pressing force moves towards the direction close to the casing 100, one end of the adjusting nut assembly 540 abuts against the adjusting frame 510, the other end of the adjusting nut assembly 540 abuts against the casing 100, the adjusting nut assembly 540 comprises a first nut 541, one end of the adjusting rod 530 is in threaded connection with the first nut 541, and the other end of the adjusting rod 530 is connected with the counterattack frame 300.

The utility model provides a breaker during operation, rotor portion 200 is high-speed rotatory, and the material gets into broken chamber 101 from feed inlet 102 to clearance along between impact plate 400 and the rotor portion 200 is removed towards bin outlet 103 direction. During the moving process, the materials are firstly crushed by the rotor part 200 in an impacting way, then thrown onto the impact plate 400 to be crushed again, then rebound from the impact plate 400 to the rotor part 200 to be crushed again, and simultaneously, the materials and the materials are crushed by mutual impacting, and the process is repeated until the materials are crushed to the required granularity and finally discharged from the discharge hole 103.

Wherein, the clearance between the impact plate 400 and the rotor part 200 is related to the discharge granularity of the materials. If the gap between the impact plate 400 and the rotor part 200 is large, the discharge granularity of the crusher is large; if the gap between the impact plate 400 and the rotor portion 200 is small, the crusher's discharge particle size is small.

In this embodiment, the operator can adjust the compression force of the compression assembly 520 individually without changing the gap between the impact plate 400 and the rotor portion 200 during the adjustment. Likewise, the operator adjusts the gap between impact plate 400 and rotor portion 200 by adjusting nut assembly 540 without changing the compressive force of compression assembly 520. Therefore, the utility model provides a counterattack frame adjusting device 500 adopts the setting to compress tightly the packing force that subassembly 520 realized can adjusting the alignment jig 510 alone, adopts rotatory first nut 541 to realize adjusting ejection of compact granularity alone, solves the technical problem that current breaker can not adjust packing force and ejection of compact granularity alone.

The phrase "the adjusting rod 530 is threadedly coupled to the first nut 541" in this embodiment means that the adjusting rod 530 has a thread on an outer surface thereof, which is engaged with the first nut 541, so that the adjusting rod 530 can be threadedly coupled to the first nut 541.

Specifically, the other end of adjusting rod 530 movably penetrates through mounting hole 104 and is connected to impact frame 300.

The phrase "the other end of the adjustment rod 530 movably penetrates the mounting hole 104" in the present embodiment means that the adjustment rod 530 is inserted into the mounting hole 104, but is not fixedly attached to the mounting hole 104, and is capable of reciprocating in the rod length direction of the adjustment rod 530.

In one embodiment, the adjusting nut assembly 540 further includes a buffer washer 542, the buffer washer 542 is sleeved on the adjusting rod 530, and the buffer washer 542 is located between the first nut 541 and the casing 100. When the crusher works, the machine shell 100 vibrates, and the buffer gasket 542 has vibration isolation characteristics, so that the first nut 541 and the machine shell 100 can be prevented from resonating, the first nut 541 can be prevented from rotating due to the vibration of the machine shell 100, and the stability of the discharging particle size is ensured.

Specifically, the cushion pad 542 is a rubber pad, a foam pad, or a corrugated board.

In one embodiment, referring to fig. 8 and 9, the adjusting nut assembly 540 further includes a grease pad 543 and a grease cup 544, the grease pad 543 has a grease inlet, the grease cup 544 is installed in the grease inlet, and the grease pad 543 is sleeved on the adjusting rod 530 and located at one side of the first nut 541. The worker can provide lubricating oil for the first nut 541 through the oil cup 544 and the oil filling gasket 543, so as to prevent the first nut 541 from being locked, and ensure good connection between the first nut 541 and the adjusting rod 530.

In one embodiment, referring to fig. 8 and 9, the adjusting nut assembly 540 further includes an adjusting washer 545, the adjusting washer 545 is detachably sleeved on the adjusting rod 530, the adjusting washer 545 is located between the casing 100 and the first nut 541 or between the first nut 541 and the adjusting bracket 510, and the adjusting washer 545 can be used for fine adjustment of the distance between the first nut 541 and the casing 100. When the gap between the impact plate 400 and the rotor portion 200 is increased, the worker rotates the first nut 541 in the first direction, so that the distance between the first nut 541 and the casing 100 is increased, and the increased distance needs to be filled by adding the adjusting washer 545, so that the adjusting nut assembly 540 has a full structure and can provide a supporting force for the adjusting bracket 510 to resist the pressing force. Similarly, when reducing the gap between the impact plate 400 and the rotor portion 200, the worker removes one or more spacer shims 545 so that the first nut 541 can be rotated in a direction opposite to the first direction, gradually approaching the casing 100. Wherein the first direction is counterclockwise or clockwise.

In one embodiment, referring to fig. 7 and 8, the pressing assembly 520 includes an installation rod 521, a pressing spring 522 and a second nut 523, one end of the installation rod 521 is fixedly installed on the casing 100, and the other end of the installation rod 521 sequentially and movably penetrates through the adjusting frame 510 and the pressing spring 522 and then is in threaded connection with the second nut 523. One end of the pressing spring 522 abuts against the second nut 523, and the other end of the pressing spring 522 abuts against the adjusting bracket 510, so that pressing force is applied to the adjusting bracket 510, the overall position of the impact bracket adjusting device 500 is ensured to be stable, and the phenomenon that the gap between the impact plate 400 and the rotor part 200 is unstable due to the fact that the impact plate 400 retreats easily when materials are impacted is prevented. The staff rotates second nut 523 according to the material hardness difference, adjusts the packing force of pressure spring 522 alone to guarantee the ejection of compact granularity stability.

The threaded connection between the mounting rod 521 and the second nut 523 means that the outer surface of the mounting rod 521 has a thread matching with the second nut 523, so that the mounting rod 521 can be in threaded connection with the second nut 523. The mounting rod 521 movably penetrates through the adjusting bracket 510 and the pressing spring 522 respectively, which means that the mounting rod 521 is not fixedly connected with the adjusting bracket 510 and the pressing spring 522, and the adjusting bracket 510 and the pressing spring 522 can slide along the rod length direction of the mounting rod 521.

Specifically, referring to fig. 12 and 13, the pressing assembly 520 further includes a spring protection sleeve 524, and the spring protection sleeve 524 is sleeved on the pressing spring 522 to protect the pressing spring 522.

Optionally, the spring protective sleeve 524 is a folded or elastic tube.

Specifically, referring to fig. 7 and 8, the pressing assembly 520 further includes a pressing auxiliary plate 525, the pressing auxiliary plate 525 is located between the second nut 523 and the pressing spring 522, and the pressing auxiliary plate 525 is in surface contact with the second nut 523 and the pressing spring 522 respectively, so that the pressing limiting force of the second nut 523 can be effectively transmitted to the pressing spring 522.

In one embodiment, referring to fig. 7, 8 and 12, the impact frame adjustment device 500 further comprises an adjustment driving member 570 mounted to the adjustment frame 510, the adjustment driving member 570 having a retractable driving shaft 571, the driving shaft 571 being retractable to abut against the housing 100. When the gap between the impact plate 400 and the rotor portion 200 needs to be adjusted, the driving shaft 571 of the adjusting driving member 570 extends to abut against the casing 100, so that under the supporting force of the driving shaft 571, the adjusting bracket 510 does not move towards the casing 100 under the pressing force of the pressing assembly 520, the position of the adjusting bracket 510 is ensured to be stable, and a worker can operate the adjusting nut assembly 540 to change the gap between the impact plate 400 and the rotor portion 200, so as to obtain the required discharge granularity.

Optionally, the adjustment drive 570 is a hydraulic drive, a pneumatic drive, or an electric motor. For example, when the adjustment driving member 570 is a hydraulic driving member, the driving shaft 571 is a piston rod. When the worker needs to operate the adjusting nut assembly 540, the oil pump of the hydraulic station is started, the piston rod of the hydraulic driving member extends out and is supported in the machine shell 100 in an abutting mode, the adjusting frame 510 is supported, the adjusting frame 510 is prevented from moving towards the direction of the machine shell 100 under the pressing force of the pressing assembly 520, and therefore the worker can safely adjust the first nut 541, increase and decrease the adjusting gasket 545 and the like. When the adjustment is completed by the operator, the piston rod of the hydraulic drive member retracts and leaves the housing 100.

Specifically, referring to fig. 7 and 8, the impact frame adjusting device 500 further includes a first bearing plate 580, the first bearing plate 580 is fixedly installed on the casing 100, and the first bearing plate 580 is located between the casing 100 and the adjusting nut assembly 540. The adjusting nut assembly 540 indirectly abuts against the casing 100 through the first bearing plate 580, and the contact area between the first bearing plate 580 and the casing 100 is large, so that the acting force can be dispersed, and the casing 100 is prevented from being damaged due to the fact that the adjusting nut assembly 540 directly presses on the casing 100.

Specifically, referring to fig. 7 and 8, the impact frame adjusting device 500 further includes a second bearing plate 590, the second bearing plate 590 is fixedly mounted on the housing 100, the second bearing plate 590 is located between the housing 100 and the adjusting driving member 570, and the driving shaft is movably extended and retracted to abut against the second bearing plate 590. The contact area between the second bearing plate 590 and the casing 100 is large, so that the acting force can be dispersed, and the casing 100 can be prevented from being damaged due to the fact that the driving shaft directly presses on the casing 100.

In one embodiment, referring to fig. 7-9, the impact beam adjustment apparatus 500 further includes a positioning member 550. The positioning member 550 is mounted on the adjusting bracket 510, and the positioning member 550 is detachably connected to the first nut 541 to limit the rotation of the first nut 541.

In one embodiment, referring to FIG. 5, one end of impact frame 300 is rotatably coupled to the inner wall of housing 100, and the other end of impact frame 300 is coupled to adjustment rod 530.

Alternatively, referring to fig. 5, the impact frame 300 has a rib 310 on a side away from the rotor portion 200, and an end of the adjusting rod 530 is rotatably connected to the rib 310 through a shaft.

In one embodiment, referring to fig. 9 and 10, the positioning element 550 has a clamping groove 5521 for clamping the first nut 541, and the positioning element 550 clamps the first nut 541 through the clamping groove 5521, so as to prevent the first nut 541 from accidentally rotating, and ensure stable positions of the first nut 541 and the adjusting rod 530.

Specifically, referring to fig. 9 and 10, the positioning member 550 includes a vertical plate 551, a first horizontal plate 552 and a second horizontal plate 553, the vertical plate 551 is located at one side of the adjusting frame 510, the first horizontal plate 552 and the second horizontal plate 553 are respectively connected to two ends of the vertical plate 551, the first horizontal plate 552 is detachably connected to the first nut 541, and the second horizontal plate 553 is detachably connected to the adjusting frame 510. After the worker detaches the first horizontal plate 552 from the first nut 541 and detaches the second horizontal plate 553 from the adjustment bracket 510, the worker can conveniently remove the spacer 550 from one side of the adjustment bracket 510. Similarly, the positioning member 550 can be conveniently installed by the worker due to the structural design of the positioning member 550.

Optionally, referring to fig. 9 and 10, a clamping groove 5521 is formed at an end of the first horizontal plate 552 away from the vertical plate 551, so that a worker can detach the first horizontal plate 552 from the first nut 541 by only forcibly pulling the first horizontal plate 552.

Specifically, referring to fig. 9 and 11, the adjusting device 500 further includes a connector 560, an end of the second horizontal plate 553 away from the vertical plate 551 has a connecting hole 5531, and the connector 560 is detachably mounted in the connecting hole 5531. When the spacer 550 is installed, the second horizontal plate 553 is placed on the top of the adjustment bracket 510. The connecting member 560 and the vertical plate 551 are respectively located at two ends of the second horizontal plate 553, and together clamp the whole or partial structure of the adjusting bracket 510, so that the second horizontal plate 553 is mounted on the adjusting bracket 510. Moreover, the connecting hole 5531 is designed to facilitate the assembly and disassembly of the connecting member 560.

Specifically, referring to fig. 9 and 11, the connecting member 560 includes a straight rod portion 561 and a curved rod portion 562, the straight rod portion 561 is detachably inserted into the connecting hole 5531, one end of the curved rod portion 562 is rotatably connected to the straight rod portion 561, and the other end of the curved rod portion 562 extends downward. The connecting member 560 is straightly inserted into the connecting hole 5531 through the straight rod portion 561, thereby achieving quick assembly and disassembly. The curved rod 562 abuts, clamps or clamps the second horizontal plate 553 using its own curved shape, preventing the connection member 560 from falling off due to vibration of the casing 100, and ensuring connection stability of the connection member 560.

Referring to fig. 9 and 11, the rotatable connection form of the curved rod portion 562 and the straight rod portion 561 includes that the curved rod portion 562 and the straight rod portion 561 are rotatably connected through a rotating structure, for example, the curved rod portion 562 and the straight rod portion 561 are hinged; the curved rod part 562 and the straight rod part 561 are also included to achieve a rotatable connection by using ductility or elasticity of materials, for example, the connecting member 560 is a metal strip capable of bending and deforming, so that the curved rod part 562 can rotate relative to the straight rod part 561.

Referring to fig. 9 and 11, the curved rod 562 is a concave portion 5621 capable of accommodating a portion of the second horizontal plate 553, in the connected state, the concave portion 5621 accommodates a portion of the second horizontal plate 553, and blocks the straight rod 561 from being quickly inserted and removed, and in the detached state, the worker rotates the curved rod 562 to separate the curved rod 562 from the second horizontal plate 553, so that the straight rod 561 can be quickly inserted and removed without the curved rod 562 interfering with the second horizontal plate 553. Optionally, the curved rod portion 562 is wavy in shape.

In the present embodiment, referring to fig. 5, the feeding port 102 is located at one side of the upper portion of the casing 100, and the discharging port 103 is located at the other side of the bottom of the casing 100. Three impact frames 300 are provided, and the three impact frames 300 are installed inside the casing 100 from top to bottom along the direction from the feeding port 102 to the discharging port 103. The impact plate 400 and the impact frame adjusting means 500 are respectively in one-to-one correspondence with the impact frames 300, so that each impact frame 300 is provided with a dedicated impact frame adjusting means 500 for adjusting the gap between the corresponding impact plate 400 and the rotor portion 200.

In one embodiment, referring to fig. 5 and 6, rotor portion 200 includes a rotor member 210 and a plate hammer 220, rotor member 210 is rotatably mounted within crushing chamber 101, and plate hammer 220 is vertically mounted to rotor member 210.

In one embodiment, referring to fig. 3, the crusher further includes a motor 230, the motor 230 is connected to the rotor portion 200, and the motor 230 is used for driving the rotor portion 200 to rotate.

Specifically, the impact plate 400 is mounted with an impact liner 401 for crushing material.

In particular, an inner lining plate 107 for crushing material is mounted on the wall of the crushing chamber 101.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a counterattack frame adjusting device for breaker, its characterized in that: the pressing assembly is used for being installed on a shell of the crusher, the pressing assembly is abutted to the adjusting frame, the pressing assembly is used for applying pressing force towards the direction close to the shell to the adjusting frame, one end of the adjusting nut assembly is abutted to the adjusting frame, the other end of the adjusting nut assembly is abutted to the shell, the adjusting nut assembly comprises a first nut, one end of the adjusting rod is in threaded connection with the first nut, and the other end of the adjusting rod is used for being connected with a counterattack frame of the crusher.

2. The impact frame adjustment device of claim 1, wherein: the pressing assembly comprises an installation rod, a pressing spring and a second nut, one end of the installation rod is fixedly installed on the casing, and the other end of the installation rod sequentially penetrates through the adjusting frame and the pressing spring and then is in threaded connection with the second nut.

3. The impact frame adjustment device of claim 2, wherein: the pressing assembly further comprises a pressing auxiliary plate, the pressing auxiliary plate is located between the second nut and the pressing spring, and the pressing auxiliary plate is in surface contact with the second nut and the pressing spring respectively.

4. The impact frame adjustment device of claim 2, wherein: the pressing assembly further comprises a spring protection sleeve, and the spring protection sleeve is sleeved on the pressing spring.

5. The impact frame adjustment device of claim 1, wherein: the adjusting device of the impact frame further comprises a first bearing plate, the first bearing plate is used for being installed on the machine shell, and the first bearing plate is located between the machine shell and the adjusting nut assembly.

6. The impact frame adjustment device of claim 1, wherein: the adjusting device of the impact frame further comprises an adjusting driving piece arranged on the adjusting frame, the adjusting driving piece is provided with a telescopic driving shaft, and the driving shaft can stretch to abut against the machine shell.

7. The impact frame adjustment device of claim 6, wherein: the adjusting device of the impact frame further comprises a second bearing plate, the second bearing plate is used for being installed on the machine shell, the second bearing plate is located between the machine shell and the adjusting driving piece, and the driving shaft can stretch to abut against the second bearing plate.

8. The impact frame adjustment device of claim 1, wherein: the adjusting nut component further comprises an adjusting gasket, the adjusting rod is detachably sleeved with the adjusting gasket, the adjusting gasket is located between the machine shell and the first nut, or the adjusting gasket is located between the first nut and the adjusting frame.

9. The impact frame adjusting apparatus according to any one of claims 1 to 8, wherein: the adjusting nut assembly further comprises an oil injection gasket and an oil cup, the oil injection gasket is sleeved on the adjusting rod and located on one side of the first nut, the oil injection gasket is provided with an oil injection port, and the oil cup is installed at the oil injection port.

10. A crusher, characterized by: the impact-resistance frame adjusting device comprises a machine shell, a rotor part, an impact-resistance frame, an impact-resistance plate and the impact-resistance frame adjusting device as claimed in any one of claims 1 to 9, wherein the machine shell is provided with a crushing cavity, a feeding port, a discharging port and a mounting hole, and the feeding port and the discharging port are respectively communicated with the crushing cavity; the rotor part is rotatably arranged in the crushing cavity; the impact frame is positioned in the crushing cavity and can be rotatably arranged on the inner wall of the shell; the impact plate is arranged on the impact frame and is positioned on one side of the impact frame close to the rotor part, and a gap is formed between the impact plate and the rotor part; the pressing assembly is installed on the machine shell, and the other end of the adjusting rod penetrates through the installation hole and then is connected with the counterattack frame.

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