High-chromium alloy wear-resistant plate hammer casting for impact crusher

Abstract

The utility model discloses a high-chromium alloy wear-resisting plate hammer casting for an impact crusher, which relates to the technical field of impact crushers and particularly comprises a first shell and a second shell, first hydraulic rods are fixedly connected to two sides of the first shell, and output shafts of the first hydraulic rods are fixedly connected with the second shell. Fixing discs are arranged on the two sides of the first shell correspondingly, and a main shaft is arranged between the two fixing discs. When the plate hammer is used, the plate hammer body and the plate hammer head can be exposed to the outside, a worker can replace the plate hammer head conveniently, the plate hammer can be used continuously only by replacing the plate hammer head which is in contact with materials for a long time, and the problem that the plate hammer is formed by integral casting, so that the plate hammer is inconvenient to use is effectively solved. When the plate hammer is damaged due to casting defects and non-crushed substances and the plate hammer is abraded unevenly, the whole plate hammer or the whole plate hammer needs to be replaced, the replacement cost is extremely high, and the material waste of the plate hammer is very large.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of impact crusher, concretely to high chromium alloy wear -resistant plate hammer casting for impact crusher. BACKGROUND

[0002] The impact crusher mainly utilizes the rotation of the plate hammer to cooperate with the reaction force of the counterattack plate to carry out material crushing operation, adopts the impact crushing technology, and the working principle is that after the material enters the crusher, it is first broken by high-speed impact, and then is thrown to the counterattack plate installed above the rotor to be broken again. The material is broken again from the counterattack plate to the plate hammer action area, and the process is repeated until the material is broken to the required particle size and discharged outside the machine.

[0003] When the impact crusher impacts the material through the plate hammer, the plate hammer is directly in contact with the ore at high speed, and the wear is fast due to the harsh use environment. The plate hammer needs to be replaced after a period of operation, and the plate hammer is generally made of high manganese steel and high chromium cast iron, and the plate hammer is integrally cast. When the plate hammer casting defect, non-breaking material causes the plate hammer damage and the plate hammer wear is uneven, the whole or the whole set of plate hammer needs to be replaced, the replacement cost is very high, and the plate hammer material is wasted very much.

[0004] In the utility model discloses a kind of high chromium alloy wear -resistant plate hammer castings for impact crusher in Chinese utility model patent application publication specification CN202020614057.1, comprising: body, the inside rotation of body is connected with main shaft, the one end of main shaft is installed with rotor holder, and plate hammer is installed on the week side of rotor holder;Fixed box is installed at the bottom of body, and partition is installed in the inside of fixed box. Although the high chromium alloy wear -resistant plate hammer castings for impact crusher can make the water in the water collecting tank dissolve dust, and the remaining gas is discharged from the exhaust pipe to the crusher, thereby completing the absorption and treatment of dust, but the high chromium alloy wear -resistant plate hammer castings for impact crusher, when the material is impacted and broken, the position of the crushing plate inside the crusher is relatively fixed, and it is inconvenient to adjust, cannot be applied to different sizes of material, and at the same time, the material is prone to be stuck, which reduces the application range and stability. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a high chromium alloy wear -resistant plate hammer casting for impact crusher, which solves the problems raised in the above background art.

[0007] (II) technical scheme

[0008] In order to achieve the above object, the utility model discloses the following technical scheme to realize: including first shell and second shell, both sides of first shell are fixedly connected with first hydraulic rod, the output shaft of first hydraulic rod is fixedly connected with second shell, both sides of first shell are equipped with fixed disc, the between two fixed disc is equipped with main shaft, the outside of main shaft is opened groove and is movably connected with a plurality of plate hammer body, both sides of plate hammer body are equipped with fixed plate, the fixed plate fixedly connected with main shaft, the side of one fixed disc is rotatably connected with drive wheel, the rotatable connection between the inner wall of both sides of second shell is equipped with two rotors, the outside of two rotors is fixedly connected with first counterattack frame and second counterattack frame respectively, the inside of first counterattack frame and second counterattack frame is fixedly connected with counterattack plate.

[0009] Optionally, the first shell outer wall is provided with a through hole matched with the fixed disc, and the inside of the fixed disc and the inside of the first shell are provided with threaded holes and are threadedly connected with bolts.

[0010] Optionally, the side of the fixed disc is rotatably connected with a limiting block, the inside of both ends of the main shaft is provided with a limiting groove matched with the limiting block, and the drive wheel is fixedly connected with the limiting block.

[0011] Optionally, the inside of the fixed plate and the inside of the plate hammer body are provided with threaded holes and are threadedly connected with bolts, the outside of the plate hammer body is provided with a plate hammer head, and the outside of the plate hammer head and the inside of the plate hammer body are provided with threaded holes and are threadedly connected with bolts.

[0012] Optionally, the inside of both ends of the main shaft is provided with a ring groove, the inside of the ring groove is provided with a fixed ring, and both ends of the plate hammer body are provided with a groove matched with the fixed ring.

[0013] Optionally, the top and the side of the second shell are provided with through holes, and the inside of the top through hole and the side through hole of the second shell is rotatably connected with a second hydraulic rod.

[0014] Optionally, the output shaft of the second hydraulic rod is rotatably connected with a movable block, and the two movable blocks are fixedly connected with the first counterattack frame and the second counterattack frame respectively.

[0015] Optionally, the outside of the second hydraulic rod is fixedly connected with a soft sleeve, and the soft sleeve is fixedly connected with the second shell.

[0016] (Three) beneficial effects

[0017] The utility model provides a kind of high-chromium alloy wear plate hammer casting for counterattack type crusher, with following beneficial effects:

[0018] 1. The high chromium alloy wear-resistant plate hammer casting for the impact crusher, through the setting of the main shaft, the fixing disc, the limiting block, the limiting groove, the plate hammer body, the fixing plate, the plate hammer head and the first hydraulic rod, the plate hammer body and the plate hammer head are exposed outside in use, the staff can replace conveniently, and only the plate hammer head in contact with the material for a long time needs to be replaced, the device can be used continuously, through the cooperation of the ring groove and the fixing ring, the position of the plate hammer body can be limited further in use, the connection of the plate hammer body and the main shaft is increased, the plate hammer body is prevented from shaking when the main shaft rotates, the material crushing is affected, the problem that the plate hammer is integrally cast, when the plate hammer is damaged due to casting defects, non-crushing substances and uneven wear, the whole or the whole set of plate hammer needs to be replaced, the replacement cost is extremely high, and the plate hammer material is wasted greatly.

[0019] 2. The high chromium alloy wear-resistant plate hammer casting for the impact crusher, through the setting of the rotating rod, the second hydraulic rod, the movable block and the soft sleeve, the angle of the first impact frame and the second impact frame can be adjusted in use, the distance between the first impact frame, the second impact frame and the main shaft changes, the problem that the position of the crushing plate in the impact crusher is fixed and inconvenient to adjust when the material is impacted and crushed is solved, the problem that the impact crusher cannot be applied to different sizes of materials and is prone to material jamming is solved, and the application range and stability are improved. DETAILED DESCRIPTION

[0020] Figure 1 It is a structure schematic view of the main shaft of the utility model from the shaft view;

[0021] Figure 2 It is a structure schematic view of the main shaft of the utility model from the shaft view;

[0022] Figure 3 It is a structure schematic view of the fixing disc of the utility model from the shaft view;

[0023] Figure 4 It is a structure schematic view of the plate hammer body of the utility model from the shaft view;

[0024] Figure 5 It is a structure schematic view of the utility model from the front view;

[0025] Figure 6 It is a structure schematic view of the utility model from the side shaft view.

[0026] In the figure: 1, the first shell; 2, the second shell; 3, the first hydraulic rod; 4, the fixed disc; 5, the main shaft; 6, the limiting block; 7, the limiting groove; 8, the plate hammer body; 9, the fixed plate; 10, the plate hammer head; 11, the ring groove; 12, the fixed ring; 13, the driving wheel; 14, the rotating rod; 15, the first counterattack frame; 16, the second counterattack frame; 17, the counterattack plate; 18, the second hydraulic rod; 19, the movable block; 20, the soft sleeve. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0028] Example 1

[0029] Please refer to Figures 1 to 5The utility model provides technical scheme: A high chromium alloy wear -resistant plate hammer casting for counterattack crusher, including first shell 1 and second shell 2, both sides of first shell 1 are fixedly connected with first hydraulic rod 3, and the output shaft of first hydraulic rod 3 is fixedly connected second shell 2, both sides of first shell 1 are equipped with fixed disc 4, and the outer wall of first shell 1 is equipped with the through -hole of being adapted to fixed disc 4, and the inside of fixed disc 4 and the inside of first shell 1 are equipped with threaded hole and are connected with bolt in screw thread, the main shaft 5 is equipped between two fixed discs 4, and the outside of main shaft 5 is equipped with recess and is movably connected with a plurality of plate hammer body 8, both sides of plate hammer body 8 are equipped with fixed plate 9, and fixed plate 9 is fixedly connected with main shaft 5, and the side of one of fixed disc 4 is rotatably connected with driving wheel 13, and the side of fixed disc 4 is rotatably connected with limit block 6, and the inside of both ends of main shaft 5 is equipped with the limiting slot 7 of being adapted to limit block 6, and driving wheel 13 is fixedly connected with limit block 6, and the inside of fixed plate 9 and the inside of plate hammer body 8 are equipped with threaded hole and are connected with bolt in screw thread, and the outside of plate hammer body 8 is equipped with plate hammer head 10, and the outside of plate hammer head 10 and the inside of plate hammer body 8 are equipped with threaded hole and are connected with bolt in screw thread, and the inside of both ends of main shaft 5 is equipped with ring groove 11, and fixed ring 12 is equipped in the inside of ring groove 11, and both ends of plate hammer body 8 are equipped with the recess of being adapted to fixed ring 12, and the outside of two rotating rods 14 is fixedly connected with first counterattack frame 15 and second counterattack frame 16 respectively, and the inside of first counterattack frame 15 and second counterattack frame 16 is fixedly connected with counterattack plate 17, through the setting of main shaft 5, fixed disc 4, limit block 6, limiting slot 7, plate hammer body 8, fixed plate 9, plate hammer head 10 and first hydraulic rod 3, make the device in use plate hammer body 8 and plate hammer head 10 expose in outside, convenient for staff replacement, and when replacing, only need to replace plate hammer head 10 that contact with material for a long time, can continue to use the device, through the cooperation of ring groove 11 and fixed ring 12, further limit the position of plate hammer body 8 in the process of use, make plate hammer body 8 increase the connection of main shaft 5, avoid when main shaft 5 rotates, plate hammer body 8 shakes, influence material crushing, effectively solve the plate hammer to adopt integral casting, when plate hammer casting defect, non - broken material cause plate hammer damage and plate hammer uneven wear need to replace whole or whole set of plate hammer, the replacement cost is extremely high, and plate hammer material waste is very big.

[0030] When in use, the driving wheel 13 is connected with the external driving device, and then the external driving device is started to drive the driving wheel 13 to rotate, so as to drive the limiting block 6 to rotate. Since the limiting block 6 is located in the limiting groove 7, the limiting block 6 drives the main shaft 5 to rotate after rotating, and the main shaft 5 drives the plate hammer body 8 to rotate after rotating, so as to drive the plate hammer head 10 to rotate. At this time, the material is placed in the first shell 1, and then the plate hammer head 10 contacts with the material, so as to impact the material, and the material contacts with the counterattack plate 17, so as to crush the material. When crushing, the plate hammer head 10 contacts with the material, so as to be abraded by the material. When the plate hammer head 10 is seriously abraded, the first hydraulic rod 3 is started to drive the second shell 2 to move, so that the main shaft 5 is exposed to the outside. Then the bolt screwing between the fixed disc 4 and the first shell 1 is rotated, the fixed disc 4 is disassembled, and then the bolt screwing between the fixed ring 12 and the ring groove 11 is rotated, and the fixed ring 12 is taken out, so as to cancel the limiting of the two ends of the plate hammer body 8. Then the bolt between the fixed plate 9 and the plate hammer body 8 is rotated, and the plate hammer body 8 is taken out. After taking out, the bolt in the plate hammer body 8 is rotated, so that the plate hammer body 8 is separated from the plate hammer head 10. Then the new plate hammer head 10 is placed outside the plate hammer body 8, so as to complete the replacement of the plate hammer body 8. Then the main shaft 5 is fixed with the first shell 1 again, so that the device can be continuously used. The problem that when the plate hammer is integrally cast, the whole or the whole set of plate hammer needs to be replaced when the plate hammer is cast defect, the plate hammer is damaged by non-crushing material, and the plate hammer is unevenly abraded is effectively solved. The replacement cost is extremely high, and the plate hammer material is wasted.

[0031] Embodiment 2

[0032] Please refer to Figures 5 to 6 The utility model provides technical scheme: a high chromium alloy wear -resisting plate hammer casting for counterattack type crusher, two rotating rods 14 are rotatably connected between the two side inner walls of the second shell 2, the top and the side of the second shell 2 are all provided with through holes, the top through hole and the side through hole of the second shell 2 are all rotatably connected with second hydraulic rod 18, the output shaft of second hydraulic rod 18 is rotatably connected with movable block 19, two movable blocks 19 are fixedly connected with first counterattack frame 15 and second counterattack frame 16 respectively, the outside of second hydraulic rod 18 is fixedly connected with soft sleeve 20, and soft sleeve 20 is fixedly connected with second shell 2. Through the arrangement of rotating rod 14, second hydraulic rod 18, movable block 19 and soft sleeve 20, the angle of first counterattack frame 15 and second counterattack frame 16 can be adjusted when the device is used, so that the distance between first counterattack frame 15 and second counterattack frame 16 and main shaft 5 changes. The problem that the position of the crushing plate in the crusher is fixed and cannot be adjusted when the material is crushed by counterattack, which cannot be applied to different sizes of materials and is prone to material jamming, reducing the application range and stability, is effectively solved.

[0033] When in use, the two second hydraulic rods 18 are respectively started, the second hydraulic rods 18 are started to move the movable blocks 19, the two movable blocks 19 are moved to respectively push the first counterattack frame 15 and the second counterattack frame 16, since the inside of the first counterattack frame 15 and the second counterattack frame 16 are fixedly connected with the rotating rod 14, so the first counterattack frame 15 and the second counterattack frame 16 start to rotate around the rotating rod 14, and then the distance between the end of the first counterattack frame 15 and the second counterattack frame 16 away from the rotating rod 14 and the main shaft 5 starts to change, so the position adjustment of the first counterattack frame 15 and the second counterattack frame 16 is completed, the problem that the position of the crushing plate in the crusher is relatively fixed and inconvenient to adjust when the material is crushed by the counterattack, the crusher cannot be applied to different sizes of materials, and the material is easy to be blocked, the application range and stability are reduced is effectively solved.

[0034] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A high-chromium alloy wear plate hammer casting for an impact crusher, comprising a first shell (1) and a second shell (2), characterized in that: Both sides of the first shell (1) are fixedly connected with first hydraulic rods (3), output shafts of the first hydraulic rods (3) are fixedly connected with second shells (2), both sides of the first shell (1) are provided with fixed discs (4), a main shaft (5) is arranged between the two fixed discs (4), a groove is formed in the outer side of the main shaft (5) and a plurality of plate hammer bodies (8) are movably connected with the groove, both sides of the plate hammer body (8) are provided with fixed plates (9), the fixed plates (9) are fixedly connected with the main shaft (5), the side surface of one of the fixed discs (4) is rotatably connected with a driving wheel (13), two rotating rods (14) are rotatably connected between the inner walls of both sides of the second shell (2), the outer sides of the two rotating rods (14) are fixedly connected with a first counterattack frame (15) and a second counterattack frame (16) respectively, the inner sides of the first counterattack frame (15) and the second counterattack frame (16) are fixedly connected with counterattack plates (17).

2. A high chromium alloy wear plate hammer casting for use in an impact crusher as claimed in claim 1, characterized in that: The outer wall of the first shell (1) is provided with a through hole matched with the fixed disc (4), and the inner part of the fixed disc (4) and the inner part of the first shell (1) are both provided with threaded holes and are threadedly connected with bolts.

3. A high chromium alloy wear plate hammer casting for use in an impact crusher as claimed in claim 1, characterized in that: The side surface of the fixed disc (4) is rotatably connected with a limiting block (6), the inner parts of both ends of the main shaft (5) are both provided with limiting grooves (7) matched with the limiting block (6), and the driving wheel (13) is fixedly connected with the limiting block (6).

4. A high chromium alloy wear plate hammer casting for use in an impact crusher as claimed in claim 1, characterized in that: The inner part of the fixed plate (9) and the inner part of the plate hammer body (8) are both provided with threaded holes and are threadedly connected with bolts, the outer side of the plate hammer body (8) is provided with a plate hammer head (10), the outer side of the plate hammer head (10) and the inner side of the plate hammer body (8) are both provided with threaded holes and are threadedly connected with bolts.

5. A high chromium alloy wear plate hammer casting for use in an impact crusher as claimed in claim 1, characterized in that: The inner parts of both ends of the main shaft (5) are both provided with ring grooves (11), the inner part of the ring groove (11) is provided with a fixed ring (12), and both ends of the plate hammer body (8) are provided with grooves matched with the fixed ring (12).

6. A high chromium alloy wear plate hammer casting for use in an impact crusher as claimed in claim 1, characterized in that: The top and the side surface of the second shell (2) are both provided with through holes, and the inner parts of the top through hole and the side surface through hole of the second shell (2) are both rotatably connected with second hydraulic rods (18).

7. A high chromium alloy wear plate hammer casting for use in an impact crusher as claimed in claim 6, characterized in that: The output shafts of the second hydraulic rods (18) are rotatably connected with movable blocks (19), and the two movable blocks (19) are fixedly connected with the first counterattack frame (15) and the second counterattack frame (16) respectively.

8. A high chromium alloy wear plate hammer casting for use in an impact crusher as claimed in claim 7, characterized in that: The outer side of the second hydraulic rod (18) is fixedly connected with a soft sleeve (20), and the soft sleeve (20) is fixedly connected with the second shell (2).

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