CN115814912A - A crawler-type mobile crusher cutter head installation structure - Google Patents

Abstract

The invention relates to a cutter head mounting structure of a crawler-type mobile crusher, which comprises a crushing bin, a main cutter shaft and an auxiliary cutter shaft, wherein the main cutter shaft and the auxiliary cutter shaft are rotatably mounted in the crushing bin; a plurality of parallel crushing cutters and a plurality of parallel middle grinding pieces are respectively arranged on the main cutter shaft and the auxiliary cutter shaft, the middle grinding pieces arranged on the main cutter shaft are spaced through the crushing cutters, the crushing cutters arranged on the auxiliary cutter shaft are spaced through the middle grinding pieces, the crushing cutters between the adjacent main cutter shaft and the adjacent auxiliary cutter shaft are arranged in a staggered manner, and side grinding pieces are connected to two side walls of each crushing cutter; according to the invention, the side grinding pieces, the middle grinding pieces and the crushing knives are matched, and in the process of crushing materials by the crushing knives, the materials among the staggered crushing knives are further ground and crushed by the side grinding pieces, so that the materials entering the crushing bin are fully and thoroughly crushed.

Description

A crawler-type mobile crusher cutter head installation structure

technical field

The invention relates to the technical field of crushing equipment, in particular to a cutter head installation structure of a crawler-type mobile crusher.

Background technique

Commonly used equipment for crushing operations includes jaw crushers, impact crushers, impact crushers, compound crushers, single-stage hammer crushers, vertical crushers, gyratory crushers, cone crushers, and roll crushers. , double-roller crusher, two-in-one crusher, one-time molding crusher, etc.; the crushing equipment realizes coarse crushing, medium crushing and fine crushing of materials according to the designed feeding and discharging particle sizes.

The Chinese patent (publication number is CN108568343A) discloses a double cutter shaft structure of a mobile crusher, and specifically discloses the following technical features: the first cutter shaft and the second cutter shaft arranged parallel to the first cutter shaft, the first A plurality of cutter heads are arranged on the cutter shaft and the second cutter shaft, the cutter heads on the first cutter shaft and the second cutter shafts are arranged alternately, and the cutter heads are provided with several cutting knives and The hook knife, specifically, crushes and cuts the material through the cutting knife and the hook knife set on the cutter head.

In addition, a mobile grading crusher is also disclosed in the prior art, and the material is crushed by using the crusher to reduce the material. Specifically, this technology uses the drive shaft to drive the crushing drum to crush the materials entering the crusher. Each crushing drum is equipped with multiple drill bits, and the crushing drum drives the drill bits to rotate, and the drill bits crush the materials.

To sum up, the cutter head installation structure used in crushers in the prior art only cuts each other through the cutter teeth on the outer circle of the cutter head or directly sets the drill bit on the crushing drum to crush the material, resulting in the inability of the material to be crushed quickly and completely. , and because the position between the cutter heads or the position of the drill bit is fixed, it is impossible to distinguish and crush the material according to the size of the material and the required crushing specification, and only a single specification of crushing can be achieved. Therefore, in order to solve the above problems, a crawler-type mobile crusher cutterhead installation structure is proposed now.

Contents of the invention

The purpose of the present invention is to provide a crawler-type mobile crusher cutter head installation structure to solve the problem that the cutter head installation structure in the prior art cannot be crushed quickly and completely, and the material cannot be crushed according to the size of the material and the required crushing specifications. Distinguish between broken issues.

In order to achieve the above object, the present invention provides the following technical solutions: a crawler-type mobile crusher cutterhead installation structure, including a crushing bin and a main cutter shaft and an auxiliary cutter shaft rotatably installed in the crushing bin, the main cutter shaft and the auxiliary cutter shaft Arranged in parallel, the main cutter shaft is connected to and drives the auxiliary cutter shaft;

Several parallel crushing knives and several parallel intermediate grinding pieces are respectively arranged on the main knife shaft and the auxiliary knife shaft, the intermediate grinding pieces arranged on the main knife shaft are spaced by the crushing knives, The arranged crushing knives are separated by the middle grinding piece, and the crushing knives between the adjacent main knife shaft and the auxiliary knife shaft are arranged in a staggered manner. Both side walls of the crushing knives are connected with side grinding pieces. The side grinding piece between the crushing knives is connected with the middle grinding piece, and the crushing knife, the side grinding piece and the middle grinding piece rotate with the corresponding main cutter shaft or auxiliary cutter shaft;

Preferably, the crushing knife includes a cutter head connected to the main cutter shaft or the auxiliary cutter shaft, the outer wall of the cutter head is provided with several circularly distributed cutter teeth, and the working end of the cutter teeth is provided with a cutter;

Preferably, the side grinding member includes a disc body connected to the cutter head, a guide cavity is provided in the middle of the end surface of the disc body away from the cutter head, and side grinding teeth distributed on the end surface of the disc body are provided on the outside of the guide cavity. ;

Preferably, the intermediate grinding member includes a guide cylinder arranged between adjacent crushing knives, the outer wall of the guide cylinder is provided with intermediate grinding teeth, and the end of the guide cylinder passes through the middle grinding teeth and the side grinding member. The guide cavity is keyed, and the intermediate grinding teeth are matched with the corresponding cutters of the adjacent shafts.

Preferably, both end faces of the cutter head are provided with accommodating cavities, the accommodating cavities are telescopically matched with the disc body, and a distance is reserved between the inner end faces of the guide cavity and the end faces of the guide cylinder.

Preferably, both ends of the main cutter shaft and the auxiliary cutter shaft are rotatably connected to a drive assembly, the drive assembly is connected to the crushing bin, and the drive assembly is connected to and drives a push assembly that runs through the cutter head, the disc body and the guide cylinder , one of the pushing components is used to drive the side grinding piece on one side of the crushing knife to slide axially along the middle grinding piece, and the other said pushing component is used to drive the side grinding piece on the other side of the breaking knife to slide along the axis of the middle grinding piece to slip.

Preferably, the push assembly includes a push ring connected and driven by the drive assembly, the push ring is sleeved on the shaft end of the main cutter shaft or the auxiliary cutter shaft, and the end surface of the push ring near the cutter head is connected with The guide post is connected to the disc body through the cutter head and the guide cylinder, and the guide post is used to drive the disc body to slide along the guide cylinder.

Preferably, the drive assembly also includes a shaft housing connected to the crushing bin, a rotary chamber for accommodating the push ring is formed in the shaft housing, and one end of the rotary chamber is provided with a shaft that is rotationally connected with the main cutter shaft or the auxiliary cutter shaft. A cover plate, the end surface of the cover plate facing away from the shaft housing is provided with a telescopic piece, the telescoping piece is connected to and drives a contact plate accommodated in the rotary cavity, and the contact plate is rotatably connected with the push ring.

Preferably, it also includes an active box and a transmission box respectively arranged at both ends of the main knife shaft, the said active box and the transmission box are respectively connected to the end faces on both sides of the crushing bin, one end of the main knife shaft runs through the active box, and the main knife One end of the shaft and the auxiliary cutter shaft extending into the transmission box is connected in power through the transmission assembly.

The present invention at least has the following beneficial effects:

1. In the present invention, through the cooperation of the main cutter shaft and the auxiliary cutter shaft, the crushing knives arranged in a staggered manner crush the materials entering the crushing chamber, and the side grinding parts and the middle grinding parts are used to cooperate with the crushing knives, and the crushing knives crush the materials During the process, the materials between the staggered crushing knives are further ground and crushed by the side grinding parts, and the teeth of the outer circle of the crushing knives cooperate with the middle grinding parts, so as to fully crush the materials entering the crushing chamber. The traditional cutter head structure that is only crushed by staggered shearing has more excellent crushing effect and processing efficiency;

2. In the present invention, accommodating chambers are set up on both sides of the crushing knife to accommodate the side grinding parts. The side grinding parts are telescopically matched with the crushing knife, and the side grinding parts slide along the middle grinding part. Through the cooperation of the driving component and the pushing component, Adjust the distance between the side grinding parts protruding from the crushing knife, and then adjust the distance between the staggered corresponding side grinding parts to realize the adjustment of material crushing specifications, and solve the defect that the traditional cutter head structure can only carry out single-size crushing processing. Scope of application wider.

Description of drawings

Fig. 1 is that the present invention is provided with the three-dimensional structure schematic diagram of one group of main cutter shaft and auxiliary cutter shaft;

Fig. 2 is a three-dimensional structural schematic view of multiple groups of auxiliary cutter shafts provided by the present invention;

Fig. 3 is a schematic diagram of an explosion structure in which multiple groups of auxiliary cutter shafts are arranged in the present invention;

Fig. 4 is a three-dimensional schematic diagram of the cooperation between the main knife shaft and the crushing knife;

Figure 5 is a schematic diagram of the explosion structure of the cooperation between the main knife shaft and the crushing knife;

Fig. 6 is a three-dimensional structural schematic diagram of the cooperation between the auxiliary knife shaft and the crushing knife;

Fig. 7 is a schematic diagram of the explosive structure of the cooperation of the auxiliary knife shaft and the crushing knife;

Fig. 8 is a three-dimensional structural schematic diagram of a crushing knife;

Fig. 9 is a schematic diagram of a three-dimensional structure of a side abrasive piece;

Fig. 10 is a schematic diagram of the three-dimensional structure of the intermediate grinding piece;

Fig. 11 is a three-dimensional structural schematic view of the push assembly;

Fig. 12 is a structural schematic diagram of the driving assembly.

Among the reference signs: 1, crushing bin; 2, main cutter shaft; 3, auxiliary cutter shaft;

4. Crushing knife; 41. Cutter disc; 42. Knife teeth; 43. Cutter; 44. First mounting hole; 45. Positioning hole; 46. Accommodating cavity;

5. Side grinding parts; 51. Disc body; 52. Guide cavity; 53. Second mounting hole; 54. Thrust hole; 55. Side grinding teeth;

6. Middle grinding piece; 61. Guide cylinder; 62. Reserved cavity; 63. Third installation hole; 64. Guide hole; 65. Middle grinding tooth

7. Push assembly; 71. Push ring; 72. Guide post; 73. Positioning ring; 74. Spring;

8. Drive assembly; 81. Shaft housing; 82. Rotary cavity; 83. Cover plate; 84. Telescopic member; 85. Contact plate;

9. Fixing hole; 10. Active box; 11. Transmission box; 12. Transmission component; 13. Guide platform.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

Please refer to Figures 1-10, the present invention provides a technical solution: a crawler-type mobile crusher cutter head installation structure, including a crushing bin 1 and a main cutter shaft 2 and an auxiliary cutter shaft 3 that are rotatably installed in the crushing bin 1. The main cutter shaft 2 and the auxiliary cutter shaft 3 are arranged in parallel, and the main cutter shaft 2 is connected to and drives the auxiliary cutter shaft 3. Specifically, the adjacent main cutter shaft 2 and the auxiliary cutter shaft 3 rotate in opposite directions, and the main cutter shaft 2 One end is used to connect the driving equipment, and the other end is power-linked with the auxiliary cutter shaft 3;

The main cutter shaft 2 and the auxiliary cutter shaft 3 are respectively arranged with several parallel crushing knives 4 and several parallel intermediate grinding parts 6, and the intermediate grinding parts 6 arranged on the main cutter shaft 2 are separated by the crushing knives 4. , the crushing knives 4 arranged on the auxiliary cutter shaft 3 are separated by the intermediate grinding parts 6, specifically, the difference in the number of arrangement of the intermediate grinding parts 6 and the crushing knives 4 on the main cutter shaft 2 or the auxiliary cutter shaft 3 is 1. The crushing knives 4 between adjacent main cutter shafts 2 and auxiliary cutter shafts 3 are arranged in a staggered manner. Specifically, the crushing knives 4 of the main cutter shaft 2 correspond to the intermediate grinding parts 6 of the auxiliary cutter shaft 3, so The middle grinding part 6 of the main cutter shaft 2 corresponds to the crushing knife 4 of the auxiliary cutter shaft 3, and the side walls of the crushing knife 4 are connected with side grinding parts 5, and the side grinding parts 5 between adjacent crushing knives 4 The piece 5 is connected with the middle grinding piece 6, and the crushing knife 4, the side grinding piece 5 and the middle grinding piece 6 rotate with the corresponding main cutter shaft 2 or auxiliary cutter shaft 3;

The crushing knife 4 includes a cutter head 41 connected to the main cutter shaft 2 or the auxiliary cutter shaft 3, the outer wall of the cutter head 41 is provided with several circularly distributed cutter teeth 42, and the active end of the cutter teeth 42 is provided with Cutter 43;

The side grinding member 5 includes a disc body 51 connected to the cutter head 41, a guide cavity 52 is provided in the middle of the end surface of the disc body 51 away from the cutter disc 41, and a guide cavity 52 is arranged on the outside of the guide cavity 52. The side grinding teeth 55 on the end face, specifically, there are several side grinding teeth 55, and the several side grinding teeth 55 are distributed in a ring on the side of the disc body 51 away from the cutter head 41 with the axis center of the guide cavity 52 end face;

The intermediate grinding member 6 includes a guide cylinder 61 arranged between adjacent crushing knives 4, the outer wall of the guide cylinder 61 is provided with intermediate grinding teeth 65, specifically, the intermediate grinding teeth 65 are provided with several, And distributed in the outer wall of the guide cylinder 61 in a ring shape, the end of the guide cylinder 61 is keyed to the guide cavity 52 of the side grinding member 5 through the middle grinding teeth 65, specifically, the middle grinding teeth 65 are used as splines, so The inner wall of the guide cavity 52 is processed with a spline groove that cooperates with the middle grinding tooth 65, and the middle grinding tooth 65 is matched with the cutter 43 corresponding to the adjacent shaft;

As shown in Figures 2 and 3, further, the auxiliary cutter shaft 3 is provided with several, and several of the auxiliary cutter shafts 3 are arranged on both sides of the main cutter shaft 2, specifically, the main cutter shaft 2 and the auxiliary cutter shaft 3 Enclosing a crushing area with an upward opening, the crushing knives 4 between the adjacent auxiliary cutter shafts 3 are arranged in a staggered manner, and the adjacent auxiliary cutter shafts 3 rotate in reverse, so that multiple auxiliary cutter shafts 3 can pass through Cooperating with the main cutter shaft 2, the cutter head 41, the side grinding parts 5 and the middle grinding part 6 are set up to crush the materials entering the crushing chamber 1.

In this embodiment, through the cooperation of the main cutter shaft 2 and the auxiliary cutter shaft 3, the crushing knives 4 arranged in a staggered manner crush the materials entering the crushing bin 1. During the process of crushing the materials by the crushing knives 4, the staggered crushing knives The materials between 4 are further ground and crushed by the side grinding parts 5, and the teeth 42 of the outer circle of the crushing knife 4 cooperate with the middle grinding part 6, so as to fully crush the materials entering the crushing bin 1, compared with only The traditional cutter head structure with staggered shearing and crushing has more excellent crushing effect and processing efficiency.

Example 2

Please refer to Fig. 3-12, the present invention also provides a technical solution: on the basis of Embodiment 1, the difference is that: the two sides of the cutter head 41 are provided with accommodating cavities 46, the accommodating The cavity 46 is telescopically matched with the disc body 51. Specifically, the disc body 51 cooperates with the shaft hole of the accommodating cavity 46, so that the cutter head 41 can be guided and installed through the first installation hole 44, and the cutter head 41 can be guided and installed through the two sides of the cutter head 41. The accommodating chamber 46 guides and installs the side grinding parts 5, and a distance is reserved between the inner end surface of the guide chamber 52 and the end surface of the guide cylinder 61. Specifically, the distance ranges from 10 to 30 mm, and the disc body 51 protrudes At the end of the stroke, the disc body 51 can be accommodated and guided through the accommodating cavity 46 without breaking away from the accommodating cavity 46, and cooperate with the middle grinding teeth 65 on the outer wall of the guiding cylinder 61 through the guiding cavity 52, and the guide The cylinder 61 is further guided to the disc body 51, and the structural strength is higher.

As shown in Figure 3-7, further, both ends of the main cutter shaft 2 and the auxiliary cutter shaft 3 are rotatably connected with a drive assembly 8, the drive assembly 8 is connected with the crushing bin 1, and the drive assembly 8 is connected and drives a The push assembly 7 that runs through the cutter head 41, the disc body 51 and the guide cylinder 61, one of the push assemblies 7 is used to drive the side abrasive piece 5 on one side of the crushing knife 4 to slide axially along the middle abrasive piece 6, and the other push assembly 7 The pushing assembly 7 is used to drive the side grinding piece 5 on the other side of the crushing knife 4 to slide axially along the middle grinding piece 6, that is, the driving assembly 8 can drive the pushing assembly 7 to drive the side grinding piece 5 on one side of the crushing knife 4 to move along the middle grinding piece 6. The middle grinding piece 6 slides axially, and then adjusts the distance between the side grinding pieces 5 according to the crushing specification, so that the application range is wider.

As shown in Figures 5, 7, and 11, further, the push assembly 7 includes a push ring 71 connected and driven by the drive assembly 8, and the push ring 71 is sleeved on the shaft end on one side of the main cutter shaft 2 or the auxiliary cutter shaft 3 The end surface of the push ring 71 close to the cutter head 41 is connected with a guide post 72. Specifically, the outer side of the main cutter shaft 2 or the auxiliary cutter shaft 3 is circularly distributed with several guide posts 72, and the main cutter shaft 2 or several guide posts 72 on the outside of the auxiliary cutter shaft 3 are divided into two groups, which are respectively connected with the push rings 71 at both ends of the main cutter shaft 2 or the auxiliary cutter shaft 3. The guide posts 72 pass through the cutter head 41 and the guide cylinder 61 and The disc body 51 is connected, and the guide post 72 is used to drive the disc body 51 to slide along the guide cylinder 61, so that the guide post 72 can be erected through the push ring 71, and the drive assembly 8 drives the push ring 71 to slide axially , and then push the disc body 51 to slide along the guide cylinder 61 through the guide post 72, so as to adjust the distance between the side grinding parts 5 according to the crushing requirements, and realize the adjustment of the crushing specification.

As shown in Figures 5, 7, and 11, wherein, the end surface of the disc body 51 close to the cutter head 41 is provided with a positioning ring 73 connected to the guide post 72, specifically, the positioning ring 73 is sleeved on the guide post 72 The outer side, and the positioning ring 73 and the guide post 72 are detachably connected by screws. The positioning ring 73 is used for the guide post 72 to push the disc body 51 out of the accommodating cavity 46, and can cooperate with the guide post 72 through the thrust hole 54. The guide post 72 guides the disc body 51, and at the same time, the guide post 72 pushes the disc body 51 out of the accommodating cavity 46 through the positioning ring 73, thereby adjusting the grinding specification of the crushed material.

As shown in Figures 5, 7, 8, and 11, wherein, the middle part of the cutter head 41 is provided with a first mounting hole 44 for connecting the main cutter shaft 2 or the auxiliary cutter shaft 3, specifically, the main cutter shaft 2 or the auxiliary cutter shaft 3 The outer wall is distributed with a guide platform 13 in a ring, and the guide platform 13 is slidably connected with the first installation hole 44, and the cutter head 41 is connected with the guide platform 13 by bolts, and the outer side of the first installation hole 44 is provided with the guide platform. The positioning hole 45 that is slidably connected to the post 72, specifically, the positioning hole 45 is used for the lateral sliding of the positioning ring 73 on the outside of the guide post 72, that is, the positioning hole 45 can be used as a passage for the positioning ring 73 to pass through the cutter head 41, and The positioning hole 45 cooperates with the positioning ring 73 to further guide the guide post 72, and the structure is more stable.

As shown in Fig. 5, 7, 9, 11, wherein, the second installation hole 53 which is slidingly connected with the main cutter shaft 2 or the auxiliary cutter shaft 3 is opened in the guide cavity 52, specifically, the second installation of the disc body 51 The hole 53 cooperates with the main cutter shaft 2 or the auxiliary cutter shaft 3 hole shafts, and the disc body 51 cooperates with the guide table 13 through the second mounting hole 53, and rotates with the main cutter shaft 2 or the auxiliary cutter shaft 3, and the inner end surface of the guide cavity 52 is opened. There are thrust holes 54 annularly distributed on the outside of the second mounting hole 53, and the thrust holes 54 are connected with the corresponding guide posts 72. Specifically, the guide posts 72 are matched with the shaft holes of the thrust holes 54, and the guide posts 72 are connected with the corresponding guide posts 72. The driven disc body 51 is connected to the thrust hole 54 through the positioning ring 73 and is detachably connected, so that the thrust hole 54 can be matched with the guide post 72, and then the symmetrical distribution of the main cutter shaft 2 or the auxiliary cutter shaft 3 can be realized. The two groups of pushing components 7 can respectively push the side grinding parts 5 on both sides of the crushing knife 4 to slide synchronously, and the structure is more stable.

As shown in Figures 5, 7, 10, and 11, wherein, the intermediate grinding member 6 also includes a third installation hole 63 arranged in the middle of the inner cavity of the guide cylinder 61, and the third installation hole 63 is connected to the main cutter shaft 2 or the auxiliary cutter shaft. 3 Sliding connection, specifically, the third installation hole 63 is matched with the axis hole of the main cutter shaft 2 or the auxiliary cutter shaft 3, and through the sliding fit between the third installation hole 63 and the guide table 13, the intermediate grinding part 6 follows the main cutter shaft 2 Or the auxiliary cutter shaft 3 rotates, and the outer side of the third installation hole 63 is provided with annularly distributed guide holes 64, the guide holes 64 are slidably connected with the guide posts 72, and the two sides of the third installation hole 63 form a communication guide The reserved cavity 62 of the cavity 52, the spring 74 sleeved on the outside of the guide post 72 is housed in the reserved cavity 62, and the disc body 51 and the guide cylinder 61 are slidably fitted under the elastic action of the spring 74, so that the guide post 72 pushes the disk body 51 out of the accommodating cavity 46 through the positioning ring 73, and at the same time the disk body 51 cooperates with the guide cylinder 61 to compress the spring 74, and the spring 74 can provide a reverse elastic force to the extension of the disk body 51, thereby effectively The stability of the disc body 51 is improved.

As shown in Figures 3, 11, and 12, further, the drive assembly 8 also includes a shaft housing 81 connected to the crushing bin 1. Specifically, the side wall of the crushing bin 1 is provided with a fixing hole 9, and the shaft housing 81 Cooperate with the shaft hole of the fixed hole 9, and the shaft housing 81 is connected with the crushing bin 1 through bolts. The shaft housing 81 is formed with a rotary cavity 82 for accommodating the push ring 71. Specifically, the rotary cavity 82 is stepped Through the inner cavity, the push assembly 7 is located at the end of the push ring 71 and extends into the rotary cavity 82. One end of the rotary cavity 82 is provided with a cover plate 83 that is rotatably connected with the main cutter shaft 2 or the auxiliary cutter shaft 3. Specifically, the The cover plate 83 is connected to the shaft housing 81 by bolts, the end of the main cutter shaft 2 or the auxiliary cutter shaft 3 runs through the cover plate 83 and is matched with a bearing, and the end surface of the cover plate 83 away from the shaft housing 81 is provided with a telescopic part 84, the telescoping part 84 is connected to and drives a contact plate 85 accommodated in the rotary cavity 82, the contact plate 85 is rotatably connected with the push ring 71, specifically, the push ring 71 is under the action of the spring 74 contact with the contact disk 85, and the relative rotation between the push ring 71 and the contact disk 85, the shaft end of the main cutter shaft 2 or the auxiliary cutter shaft 3 can be rotated and installed through the cooperation of the shaft housing 81 and the cover plate 83, and through the shaft The rotary cavity 82 in the shell 81 accommodates the end of the pushing assembly 7 , and then the contact plate 85 is driven by the telescopic piece 84 to drive the pushing ring 71 , thereby adjusting the grinding distance of the side grinding pieces 5 through the pushing assembly 7 .

In this embodiment, the contact disc 85 is driven by the telescopic member 84 to drive the push ring 71, so that the push ring 71 drives the guide post 72 to slide axially along the main cutter shaft 2 or the auxiliary cutter shaft 3, and the guide post 72 passes through the positioning hole 45 and the guide hole 64, through the positioning ring 73 to push the side grinding piece 5 to compress the spring 74, and at the same time, the side grinding piece 5 slides along the guide cylinder 61 and protrudes out of the accommodating cavity 46, so that the distance between the side grinding pieces 5 can be adjusted according to the crushing specification The material sheared and crushed by the crushing knife 4 is further ground and crushed by the cooperation of the adjacent side grinding parts 5 and the blade teeth 42 and the middle grinding part 6, which can more quickly and fully and completely carry out material crushing treatment, and has a wider application range.

Example 3

Please refer to Figures 1-3, on the basis of Embodiment 2, it also includes an active box 10 and a transmission box 11 respectively arranged at both ends of the main knife shaft 2, and the active box 10 and the transmission box 11 are connected to the two sides of the crushing bin 1 respectively. End face connection, one end of the main cutter shaft 2 runs through the active box 10, specifically, the main cutter shaft 2 protrudes from the shaft end of the active box 10 for connecting power equipment, the main cutter shaft 2 and the auxiliary cutter shaft 3 extend One end of the input transmission box 11 is power-linked through the transmission assembly 12. Specifically, the transmission assembly 12 can be a synchronous sprocket and a chain, and the synchronous sprocket is arranged on the shaft ends of the main cutter shaft 2 and the auxiliary cutter shaft 3, so The above-mentioned synchronous sprockets are connected by a chain, so that the outer extension ends of the main cutter shaft 2 and the auxiliary cutter shaft 3 can be packaged and protected through the active box 10 and the transmission box 11, which is more convenient for disassembly and maintenance.

In this embodiment, the transmission assembly 12 may also be a gear, and the main cutter shaft 2 and the auxiliary cutter shaft 3 are dynamically connected through gear transmission.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or basic principles of the present invention. The present invention can be implemented in other specific forms without any specific features. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (8)

1. A crawler-type mobile crusher cutter head installation structure, including a crushing bin (1) and a main cutter shaft (2) and an auxiliary cutter shaft (3) rotatably installed in the crushing bin (1), the main cutter shaft (2 ) and the auxiliary cutter shaft (3) are arranged in parallel, and the main cutter shaft (2) is connected to and drives the auxiliary cutter shaft (3), which is characterized in that: The main cutter shaft (2) and the auxiliary cutter shaft (3) are respectively arranged with several parallel crushing knives (4) and several parallel intermediate grinding parts (6), and the main cutter shaft (2) is arranged The intermediate grinding pieces (6) are spaced by the crushing knife (4), the crushing knives (4) arranged on the auxiliary knife shaft (3) are spaced by the middle grinding piece (6), and the adjacent main knife shaft (2 ) and the auxiliary knife shaft (3) and the crushing knives (4) are staggered. ) between the side grinding piece (5) and the middle grinding piece (6), the crushing knife (4), the side grinding piece (5) and the middle grinding piece (6) are connected with the corresponding main knife shaft (2) or auxiliary The cutter shaft (3) rotates; 2. A crawler-type mobile crusher cutter head installation structure according to claim 1, characterized in that: the crushing knife (4) includes a cutter head connected to the main cutter shaft (2) or the auxiliary cutter shaft (3) (41), the outer wall of the cutter head (41) is provided with several circularly distributed cutter teeth (42), and the working end of the cutter teeth (42) is provided with a cutter (43). 3. A crawler-type mobile crusher cutter head installation structure according to claim 1, characterized in that: the side grinding member (5) includes a disc body (51) connected with the cutter head (41), and the A guide cavity (52) is provided in the middle of the end surface of the disc body (51) facing away from the cutter head (41), and side grinding teeth (55) distributed on the end surface of the disc body (51) are provided outside the guide cavity (52). 4. A crawler-type mobile crusher cutter head installation structure according to claim 1, characterized in that: the intermediate grinding member (6) includes a guide cylinder ( 61), the outer wall of the guide cylinder (61) is provided with intermediate grinding teeth (65), and the end of the guide cylinder (61) passes through the guide cavity (52) of the intermediate grinding teeth (65) and the side grinding piece (5). ) key connection, the middle grinding teeth (65) cooperate with the cutters (43) corresponding to the adjacent shafts. 5. The cutter head installation structure of a crawler-type mobile crusher according to claim 2, characterized in that: the end faces of both sides of the cutter head (41) are provided with accommodating cavities (46), and the accommodating The cavity (46) is telescopically matched with the disc body (51), and a distance is reserved between the inner end surface of the guide cavity (52) and the end surface of the guide cylinder (61). 6. A crawler-type mobile crusher cutter head installation structure according to claim 2, characterized in that: both ends of the main cutter shaft (2) and the auxiliary cutter shaft (3) are rotatably connected with a drive assembly (8 ), the driving assembly (8) is connected with the crushing bin (1), and the driving assembly (8) is connected and drives a pushing assembly ( 7), one of the pushing components (7) is used to drive the side grinding piece (5) on one side of the crushing knife (4) to slide axially along the middle grinding piece (6), and the other pushing component (7) The side grinder (5) for driving the other side of the crushing knife (4) slides axially along the middle grinder (6). 7. A crawler-type mobile crusher cutter head installation structure according to claim 6, characterized in that: the push assembly (7) includes a push ring (71) connected and driven by the drive assembly (8), the The push ring (71) is sleeved on the shaft end of the main cutter shaft (2) or the auxiliary cutter shaft (3), and the end surface of the push ring (71) close to the cutter head (41) is connected with a guide post (72 ), the guide post (72) is connected to the disc body (51) through the cutter head (41) and the guide cylinder (61), and the guide post (72) is used to drive the disc body (51) along the guide cylinder (61 ) slip. 8. A crawler-type mobile crusher cutter head installation structure according to claim 7, characterized in that: the drive assembly (8) also includes a shaft housing (81) connected to the crushing bin (1), the A rotary cavity (82) for accommodating the push ring (71) is formed in the shaft housing (81), and one end of the rotary cavity (82) is provided with a cover that is rotatably connected with the main cutter shaft (2) or the auxiliary cutter shaft (3) plate (83), the end surface of the cover plate (83) facing away from the shaft housing (81) is provided with a telescopic piece (84), and the telescopic piece (84) is connected and driven to be accommodated in the rotary chamber (82) The contact disc (85) is rotatably connected with the push ring (71).

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