Crushing device for mechanical engineering

Abstract

The invention discloses a smashing device for mechanical engineering, and particularly relates to the technical field of smashing, the smashing device comprises a shell, a transfer assembly is fixedly connected to the right side of the upper end of the shell, a smashing assembly is fixedly connected to the front end of the transfer assembly, moving assemblies are fixedly connected to the left side and the right side of the shell, and a screening assembly is fixedly connected to an inner cavity of the shell. A conveying assembly is fixedly connected to the bottom of the right side of the screening assembly. According to the smashing device for mechanical engineering, the screening assembly is arranged to be matched with the moving assembly, so that concrete can rapidly slide on the screening assembly through vibration, the situation that fine particles or wet materials adhere to a screen is reduced, and the possibility of blockage is reduced; and through the arrangement of the transfer assembly, the screened materials can be transported, so that the screened materials are put into the crushing assembly again, large concrete blocks can be crushed again, the concrete recycling quality is further improved, and different particle size requirements are met.

Description

Technical Field

[0001] The present invention relates to the field of pulverizing technology, in particular to a pulverizing device for mechanical engineering. Background Art

[0002] With the increasing demand for modern engineering construction, concrete, as a widely used building material, has played an important role in the construction of infrastructure such as bridges, roads, buildings, tunnels, etc. However, as the service life increases, concrete structures will age, break, be demolished or renovated, resulting in a large amount of waste concrete materials. If these waste concretes are not handled, they will not only occupy a large amount of land resources, but also may pollute the environment.

[0003] Chinese patent announcement number CN110918166B discloses a concrete crushing device for construction engineering, including a crushing box, a support leg is arranged at the lower end of the crushing box, a support column is arranged at the upper end of the crushing box, a feed box is arranged at the upper end of the support column, a feed pipe connected to the crushing box is arranged at the lower end of the feed box, a lifting mechanism is arranged at the upper end of the feed box, a lifting plate is arranged at the upper end of the lifting mechanism, a reciprocating lifting mechanism is installed on the lifting plate, a crushing plate is connected to the lower end of the reciprocating lifting mechanism, a plurality of crushing teeth are arranged on the lower side of the crushing plate, an elastic mechanism is arranged symmetrically inside the feed box, a mounting frame is arranged at the upper end of the elastic mechanism, and a screening net is arranged on the mounting frame. The structural setting of this device realizes the crushing and screening of concrete, and then enters the crushing box for crushing, so that the concrete is easy to enter the crushing box, saving time and labor, and improving the efficiency of crushing and reducing the difficulty of work; but the following defects still exist in the implementation process:

[0004] During the implementation of the above patent document, although a screening net is set inside the feed box, the screening effect may be limited for concrete fragments of different particle sizes and shapes. The screening net may not be able to efficiently separate materials of different particle sizes, resulting in uneven particle size of the crushed material, affecting subsequent use. Summary of the invention

[0005] The main purpose of the present invention is to provide a pulverizing device for mechanical engineering, which can effectively solve the problem that the screening net cannot make the screened materials uneven.

[0006] To achieve the above object, the technical solution adopted by the present invention is:

[0007] A crushing device for mechanical engineering comprises a shell, a transfer assembly is fixedly connected to the right side of the upper end of the shell, a crushing assembly is fixedly connected to the front end of the transfer assembly, moving assemblies are fixedly connected to the left and right sides of the shell, a screening assembly is fixedly connected to the inner cavity of the shell, and a transmission assembly is fixedly connected to the bottom right side of the screening assembly.

[0008] Preferably, the transfer component includes an outer shell 1, the bottom end of the outer shell 1 is fixedly connected to the right side of the upper end of the shell, the upper left part of the outer shell 1 is fixedly connected to a blocking component, the upper and lower sides of the inner cavity of the outer shell 1 are rotatably connected to transmission columns, the outer surfaces of the two transmission columns are fixedly connected to matching wheels, the outer surfaces of the two matching wheels are commonly wound and connected to a conveyor belt 1, and the outer surface of the conveyor belt 1 is fixedly connected to a plurality of loading plates.

[0009] Preferably, the blocking assembly includes a blocking plate, the right side of the blocking plate is fixedly connected to an upper portion of the outer shell, and two connecting rods arranged in pairs are fixedly connected to the front and rear sides of the bottom of the blocking plate, and the ends of the two connecting rods away from each other are fixedly connected to the crushing assembly.

[0010] Preferably, the crushing assembly includes a fixed table, the rear end of the fixed table is fixedly connected to a shell 2, the upper end of the fixed table is fixedly connected to a motor 1, the outer surface of the motor 1 is wrapped with a belt, the output end of the motor 1 is fixedly connected to a gear 1, the rear part of the gear 1 is fixedly connected to a crushing wheel 1, the left side of the gear 1 is meshed with a gear 2, and the rear part of the gear 2 is fixedly connected to a crushing wheel 2.

[0011] Preferably, the moving component includes a power wheel, the power wheel, a two-way hydraulic rod 2 is fixedly connected on the right side of the power wheel, the two-way hydraulic rod 2 is rotatably connected to a rotating wheel on the right side, the two-way hydraulic rod 2 is fixedly connected to an adjusting column at the bottom end of the two-way hydraulic rod 2, the other end of the adjusting column is rotatably connected to moving wheel 2, the moving wheel 2 is fixedly connected to a two-way hydraulic rod 1 on the left side, the two-way hydraulic rod 1 is rotatably connected to a smoothing plate at the bottom end, the two-way hydraulic rod 1 is rotatably connected to moving wheel 1 on the left side, and the outer surfaces of the power wheel, moving wheel 1, moving wheel 2 and rotating wheel are commonly wound and connected with tracks.

[0012] Preferably, the transmission component includes two fixed blocks 1, the upper end arches of the two fixed blocks 1 are commonly fixedly connected to the screening component, the sides of the two fixed blocks 1 close to each other are commonly rotatably connected to a matching rod, the outer surface of the matching rod is slidably connected to a supporting block, and the left side of the supporting block is rotatably connected to a rotating rod 1.

[0013] Preferably, the right side of the support block is rotatably connected to a transmission rod 1, the rear part of the outer surface of the transmission rod 1 is fixedly connected to a motor 2 via a coupling, the front part of the transmission rod 1 is rotatably connected to a fixed block 2, the upper end of the fixed block 2 and the upper end of the motor 2 are both fixedly connected to a telescopic rod, and the matching rod, the rotating rod 1 and the front and rear sides of the outer surface of the transmission rod 1 are commonly wound and connected with a conveyor belt 2.

[0014] Preferably, the screening assembly includes a connecting platform, the connecting platform, the middle part of which is actively connected to a second transmission rod, the outer surface of the second transmission rod is fixedly connected to an elliptical cylinder, the left and right sides of the connecting platform are slidably connected to vibration assemblies, and the right side of the bottom end of the connecting platform is fixedly connected to two telescopic rods.

[0015] Preferably, the vibration assembly includes two brackets, two sliding blocks are fixedly connected to the bottom of the two brackets, the bottom ends of the four sliding blocks are fixedly connected to springs, and a W-shaped plate is fixedly connected to one side of the upper part of the two brackets close to each other, and a plurality of leakage holes are opened on the surface of the W-shaped plate.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. By setting up the screening component and the moving component to cooperate, the concrete can slide quickly on the screening component through vibration, reducing the adhesion of fine particles or wet materials on the screen and the possibility of blockage. By setting up the transfer component, the screened materials can be transported and put into the crushing component again, so that larger concrete blocks can be crushed again, further improving the quality of concrete recycling and meeting the requirements of different particle sizes.

[0018] 2. By setting up a crushing component and a screening component to cooperate with each other, the material that has reached the required particle size can be separated from the material that does not meet the particle size requirement, thereby avoiding unnecessary further crushing. By setting up a plurality of leakage holes on the surface of the W-shaped plate 644, the crushed concrete blocks can be sorted to ensure that the concrete blocks that meet the standards are directly collected, so that the concrete that does not meet the standards can be guided for secondary crushing until it meets the standards, thereby reducing the overall waste of materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is another perspective overall structural schematic diagram of the present invention;

[0021] Figure 3 It is a schematic diagram of the overall structure of the crushing assembly of the present invention;

[0022] Figure 4 It is a schematic diagram of the overall structure of the transfer assembly of the present invention;

[0023] Figure 5 It is a schematic diagram of the overall structure of the barrier assembly of the present invention;

[0024] Figure 6 It is a schematic diagram of the overall structure of the mobile assembly of the present invention;

[0025] Figure 7 It is a schematic diagram of the connection between the transmission component and the screening component of the present invention;

[0026] Figure 8 It is a schematic diagram of the overall structure of the transmission component of the present invention;

[0027] Fig. 9 It is a schematic diagram of the overall structure of the screening assembly of the present invention;

[0028] Fig.10 It is a schematic diagram of the overall structure of the vibration component of the present invention.

[0029] In the figure: 1, shell; 2, transfer assembly; 21, shell 1; 22, matching wheel; 23, transmission column; 24, conveyor belt 1; 25, loading plate; 26, blocking assembly; 261, blocking plate; 262, connecting rod; 3, crushing assembly; 31, fixed table; 32, motor 1; 33, gear 1; 34, crushing wheel 1; 35, shell 2; 36, crushing wheel 2; 37, gear 2; 38, belt; 4, transmission assembly; 41, fixed block 1; 42, matching rod; 43, support block; 44, rotating rod 1; 45, fixed block 2 ;46. Telescopic rod;47. Transmission rod one;48. Motor two;49. Conveyor belt two;5. Moving assembly;51. Power wheel;52. Moving wheel one;53. Two-way hydraulic rod one;54. Smoothing plate;55. Moving wheel two;56. Adjusting column;57. Track;58. Rotating wheel;59. Two-way hydraulic rod two;6. Screening assembly;61. Connecting table;62. Transmission rod two;63. Elliptical column;64. Vibration assembly;641. Bracket;642. Sliding block;643. Spring;644. W-shaped plate;645. Leakage hole. DETAILED DESCRIPTION

[0030] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0031] For example, see Figure 1 , Figure 2 and Figure 3 As shown, a crushing device for mechanical engineering includes a shell 1, a transfer component 2 is fixedly connected to the right side of the upper end of the shell 1, a crushing component 3 is fixedly connected to the front end of the transfer component 2, moving components 5 are fixedly connected to the left and right sides of the shell 1, a screening component 6 is fixedly connected to the inner cavity of the shell 1, and a transmission component 4 is fixedly connected to the bottom right side of the screening component 6.

[0032] In the present implementation process, the parameters need to be adjusted through the controller first, and the device is further moved to the position where the crushing is required through the moving components 5 on the left and right sides, and the power source inside the crushing component 3 is further turned on through the controller. When the power source inside the crushing component 3 is started, the internal components will be driven to crush the concrete to be crushed, and the crushed concrete will be screened by the screening component 6 in the crushing zone, so that the larger concrete will be transported by the transfer component 2 to the inner cavity of the crushing component 3 for crushing again, so that the larger concrete blocks are broken into small concrete blocks, and the uniformity of concrete crushing is further improved. The initially crushed concrete will be transported by the transmission component 4, and then piled up for subsequent processing by the operator, and the concrete blocks after the second crushing will be screened and transported again through the cooperation with the screening component 6 until the concrete blocks meet the size required by the operator.

[0033] It should be further explained that the controller in this solution is a very mature prior art. In this solution, only its control function is used, and its working principle and line connection are not further elaborated.

[0034] Furthermore, by setting the crushing component 3 to cooperate with the screening component 6, the material that has reached the required particle size can be separated from the material that does not reach the particle size requirement, thereby avoiding unnecessary continued crushing. Further, by setting the screening component 6 to cooperate with the moving component 5, the concrete blocks can be helped to slide quickly on the screen through vibration, thereby reducing the adhesion of fine particles or wet materials to the screen and reducing the possibility of blockage. Further, by setting the transfer component 2, the screened material can be transported and then put into the crushing component 3 again, so that the larger concrete blocks can be crushed again, further improving the quality of concrete recycling and meeting different particle size requirements.

[0035] Embodiment 2: This embodiment achieves the purpose of transporting larger concrete blocks based on embodiment 1. For details, please refer to Figure 3 , Figure 4 and Figure 5As shown, the transfer component 2 includes a shell 21, the bottom end of the shell 21 is fixedly connected to the right side of the upper end of the shell 1, the upper left part of the shell 21 is fixedly connected to a blocking component 26, the upper and lower sides of the inner cavity of the shell 21 are rotatably connected to transmission columns 23, the outer surfaces of the two transmission columns 23 are fixedly connected to matching wheels 22, the outer surfaces of the two matching wheels 22 are commonly wound and connected to a conveyor belt 24, the outer surface of the conveyor belt 24 is fixedly connected to a plurality of loading plates 25, the crushing component 3 includes a fixed platform 31, the rear end of the fixed platform 31 is fixedly connected to a shell 25, and the upper end of the fixed platform 31 is fixedly connected to an electric Machine 1 32, a belt 38 is wound around the outer surface of the motor 1 32, a gear 1 33 is fixedly connected to the output end of the motor 1 32, a crushing wheel 1 34 is fixedly connected to the rear of the gear 1 33, a gear 2 37 is meshed with the left side of the gear 1 33, a crushing wheel 2 36 is fixedly connected to the rear of the gear 2 37, and the blocking assembly 26 includes a blocking plate 261, the right side of the blocking plate 261 is fixedly connected to the upper part of the housing 1 21, and two connecting rods 262 arranged in pairs are fixedly connected to the front and rear sides of the bottom of the blocking plate 261, and the ends of the two connecting rods 262 away from each other are fixedly connected to the crushing assembly 3.

[0036] Specifically, in the specific implementation process of this scheme, when the concrete block is dropped from the upper end of the shell 2 35, the operator can use the controller to make the motor 1 32 rotate, so that when the motor 1 32 is rotating, it can drive the gear 1 33 to rotate, so that when the gear 1 33 is rotating, it can drive the gear 2 37 meshing on the left to rotate, so that when the gear 1 33 and the gear 2 37 are rotating, they can drive the crushing wheel 1 34 and the crushing wheel 2 36 fixedly connected at the rear to crush the concrete block, so that the larger concrete block after crushing will be sent to the bottom of the left side of the shell 1 by the vibration of the screening component 6, because the inner surface of the belt 38 is wrapped around the bottom transmission of the bottom The outer surface of the column 23 can drive the transmission column 23 to rotate, and further in the process of the transmission column 23 rotating, the matching wheel 22 fixedly connected to the outer surface can drive the conveyor belt 24 to move, and then in the process of the conveyor belt 24 moving, the larger stones at the bottom right side of the shell 1 will be transported, so that when the matching wheel 22 transports the stones to the upper part, the larger stones carried will be thrown out and then blocked by the blocking plate 261, so that the larger concrete blocks will enter the inner cavity of the crushing wheel 2 36 again, and at this time, the crushing wheel 2 36 and the shell 2 35 will crush the concrete stones again, so that the larger concrete will be crushed until it meets the standards recognized by the operator.

[0037] It should be further explained that: when the plurality of conveyor belts 1 24 transport larger concrete blocks to the top, the larger concrete blocks will be thrown out, so that the thrown out concrete blocks will be blocked by the blocking plate 261, and then fall into the inner cavity of the second crushing wheel 36 again, and the concrete blocks that are not thrown out will fall to the back of the loading plate 25 at the bottom of the same side, and then roll into the inner cavity of the second crushing wheel 36, so as to perform secondary crushing on the larger concrete blocks to make them meet the standards;

[0038] Furthermore, by setting a plurality of loading plates 25 to cooperate with the blocking plate 261, larger concrete blocks will not be thrown off to other locations during transportation, thereby avoiding serious injury to operators. Furthermore, by setting a plurality of loading plates 25 to cooperate with each other, the concrete blocks that have not been thrown off can enter the middle of the crushing wheel 1 34 and the crushing wheel 2 36 through the back of the loading plates 25 on the same side, thereby crushing them again and improving their crushing quality.

[0039] For further information, see Figure 6 As shown, the moving assembly 5 includes a power wheel 51, a power wheel 51, a two-way hydraulic rod 2 59 is fixedly connected on the right side of the power wheel 51, a rotating wheel 58 is rotatably connected on the right side of the two-way hydraulic rod 2 59, an adjusting column 56 is fixedly connected to the bottom end of the two-way hydraulic rod 2 59, and a moving wheel 2 55 is rotatably connected to the other end of the adjusting column 56, a two-way hydraulic rod 1 53 is fixedly connected to the left side of the moving wheel 2 55, a smoothing plate 54 is rotatably connected to the bottom end of the two-way hydraulic rod 1 53, and a moving wheel 1 52 is rotatably connected to the left side of the two-way hydraulic rod 1 53, and the outer surfaces of the power wheel 51, the moving wheel 1 52, the moving wheel 2 55 and the rotating wheel 58 are commonly wound with a crawler track 57.

[0040] It should be further explained that: a transmission motor is provided on the side where the two power wheels 51 are close to each other and the two transmission motors are fixedly connected to the shell 1. In this solution, the two transmission motors only need to drive the power wheels 51 on the same side to rotate. Furthermore, the two bidirectional hydraulic rods 2 59 are fixedly connected to the shell 1 on the side where they are close to each other, so as to support the entire device. When the transmission motor drives the power wheels 51 on the same side to rotate, the two power wheels 51 will drive the crawler tracks 57 on the same side to move. Furthermore, the operator can also adjust the distance between the moving wheel 1 52, the moving wheel 2 55 and the rotating wheel 58 through the controller, so that the device can adapt to more terrains.

[0041] Embodiment 3: This embodiment achieves the purpose of screening and transporting concrete blocks based on embodiment 2. Figure 7 and Figure 8As shown, the transmission component 4 includes two fixed blocks 41, the upper end arches of the two fixed blocks 41 are commonly fixedly connected to the screening component 6, the two fixed blocks 41 are rotatably connected to the matching rod 42 on the side close to each other, the outer surface of the matching rod 42 is slidably connected to the support block 43, the left side of the support block 43 is rotatably connected to the rotating rod 44, the right side of the support block 43 is rotatably connected to the transmission rod 47, the rear part of the outer surface of the transmission rod 47 is fixedly connected to the motor 2 48 through a coupling, the front part of the transmission rod 47 is rotatably connected to the fixed block 2 45, the upper end of the fixed block 2 45 and the upper end of the motor 2 48 are both fixedly connected to the telescopic rod 46, the front and rear sides of the outer surfaces of the matching rod 42, the rotating rod 1 44 and the transmission rod 1 47 A conveyor belt 49 is connected to the two ends of the connecting platform 61, and the screening component 6 includes a connecting platform 61. The connecting platform 61 has a transmission rod 62 actively connected to the middle of the connecting platform 61, and an elliptical cylinder 63 is fixedly connected to the outer surface of the transmission rod 62. The left and right sides of the connecting platform 61 are slidably connected to vibration components 64. The right side of the bottom end of the connecting platform 61 is fixedly connected to the two telescopic rods 46. The vibration component 64 includes two brackets 641. Two sliding blocks 642 are fixedly connected to the bottom of the two brackets 641. The bottom ends of the four sliding blocks 642 are fixedly connected to springs 643. The upper sides of the two brackets 641 are fixedly connected to a W-shaped plate 644, and a plurality of leakage holes 645 are provided on the surface of the W-shaped plate 644.

[0042] In this embodiment, when the crushed concrete block falls to the upper surface of the leakage hole 645, because the two ends of the transmission rod 62 are wound together with the belt 38 on the same side, the elliptical cylinder 63 can be driven to rotate. During the rotation of the elliptical cylinder 63, the bracket 641 will be driven to rise. Since the bottom ends of the two brackets 641 are fixedly connected with the sliding block 642, at this time, the sliding block 642 will pull the sliding block 642 through its own resilience, further making the sliding block 642 slide and connect the inner cavity of the platform 61, further driving the W-shaped plate 644 to move up and down, and the crushed concrete block that meets the standards will pass through the several leakage holes 645 opened on the surface of the W-shaped plate 644, and then fall to the upper surface of the conveyor belt 2 49. When the transmission rod 47 is turned, the operator can open the transmission rod 47, so that the transmission rod 47 rotates. When the transmission rod 47 rotates, the transmission rod 47 can be driven to rotate. When the transmission rod 47 rotates, the conveyor belt 49 will be driven to rotate, so that the conveyor belt 49 can move and stack the concrete blocks that meet the crushing standards. In addition, the operator can also adjust the extension distance of the two telescopic rods 46 through the controller, so that the conveyor belt 49 can stack the concrete blocks higher. The concrete blocks that do not meet the standards will enter the right side of the shell 1 due to the shaking of the W-shaped plate 644, and then be transported by a number of carrier plates 25 to be crushed again until they meet the standards.

[0043] It should be further explained that: the W-shaped plate 644 mentioned above is arranged in a W shape by providing a plurality of leakage holes 645 on the surface, so that the crushed concrete blocks can be sorted, which can ensure that the concrete blocks that meet the standards are directly collected, reducing the dependence on manual operation, so that the equipment can operate efficiently for a long time, saving labor costs and labor. In addition, the concrete blocks that do not meet the standards will be guided by the W-shaped plate 644 to the inner cavity at the bottom right side of the shell 1, and then crushed again until they meet the standards, ensuring that each piece of concrete has the possibility of being reprocessed and reused, reducing the overall waste of materials.

[0044] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A pulverizing device for mechanical engineering, comprising a housing (1), characterized in that: A transfer component (2) is fixedly connected to the right side of the upper end of the shell (1), a crushing component (3) is fixedly connected to the front end of the transfer component (2), a moving component (5) is fixedly connected to both the left and right sides of the shell (1), a screening component (6) is fixedly connected to the inner cavity of the shell (1), and a transmission component (4) is fixedly connected to the bottom of the right side of the screening component (6).

2. A mechanical engineering pulverizing device according to claim 1, characterized in that: The transfer assembly (2) comprises a shell (21), the bottom end of which is fixedly connected to the right side of the upper end of the shell (1), a blocking assembly (26) is fixedly connected to the upper left side of the shell (21), transmission columns (23) are rotatably connected to the upper and lower sides of the inner cavity of the shell (21), the outer surfaces of the two transmission columns (23) are fixedly connected to matching wheels (22), the outer surfaces of the two matching wheels (22) are commonly wound and connected to a conveyor belt (24), and the outer surface of the conveyor belt (24) is fixedly connected to a plurality of material loading plates (25).

3. A mechanical engineering pulverizing device according to claim 2, characterized in that: The blocking assembly (26) comprises a blocking plate (261), the right side of the blocking plate (261) being fixedly connected to the upper portion of the housing (21), and the front and rear sides of the bottom of the blocking plate (261) being fixedly connected to two stacked connecting rods (262), and the ends of the two connecting rods (262) that are away from each other are fixedly connected to the crushing assembly (3).

4. A mechanical engineering pulverizing device according to claim 3, characterized in that: The crushing assembly (3) comprises a fixed platform (31), the rear end of the fixed platform (31) is fixedly connected to a second housing (35), the upper end of the fixed platform (31) is fixedly connected to a first motor (32), the outer surface of the first motor (32) is connected with a belt (38) wrapped around it, the output end of the first motor (32) is fixedly connected to a first gear (33), the rear part of the first gear (33) is fixedly connected to a first crushing wheel (34), the left side of the first gear (33) is meshed with a second gear (37), and the rear part of the second gear (37) is fixedly connected to a second crushing wheel (36).

5. A mechanical engineering pulverizing device according to claim 1, characterized in that: The moving assembly (5) comprises a power wheel (51), wherein the right side of the power wheel (51) is fixedly connected to a two-way hydraulic rod (59), the right side of the two-way hydraulic rod (59) is rotatably connected to a rotating wheel (58), the bottom end of the two-way hydraulic rod (59) is fixedly connected to an adjusting column (56), the other end of the adjusting column (56) is rotatably connected to a moving wheel (55), the left side of the moving wheel (55) is fixedly connected to a two-way hydraulic rod (53), the bottom end of the two-way hydraulic rod (53) is rotatably connected to a smoothing plate (54), the left side of the two-way hydraulic rod (53) is rotatably connected to a moving wheel (52), and the outer surfaces of the power wheel (51), the moving wheel (52), the moving wheel (55) and the rotating wheel (58) are commonly wound and connected with a crawler track (57).

6. A mechanical engineering pulverizing device according to claim 1, characterized in that: The transmission component (4) comprises two fixed blocks (41), the upper ends of the two fixed blocks (41) are commonly fixedly connected to the screening component (6), the sides of the two fixed blocks (41) close to each other are commonly rotatably connected to a matching rod (42), the outer surface of the matching rod (42) is slidably connected to a supporting block (43), and the left side of the supporting block (43) is rotatably connected to a rotating rod (44).

7. A pulverizing device for mechanical engineering according to claim 6, characterized in that: The right side of the support block (43) is rotatably connected to a transmission rod 1 (47); the rear portion of the outer surface of the transmission rod 1 (47) is fixedly connected to a motor 2 (48) via a coupling; the front portion of the transmission rod 1 (47) is rotatably connected to a fixed block 2 (45); the upper ends of the fixed block 2 (45) and the upper ends of the motor 2 (48) are both fixedly connected to a telescopic rod (46); and the outer surfaces of the matching rod (42), the rotating rod 1 (44) and the transmission rod 1 (47) are commonly wound and connected to a conveyor belt 2 (49) at both the front and rear sides.

8. A pulverizing device for mechanical engineering according to claim 7, characterized in that: The screening assembly (6) comprises a connecting platform (61), wherein the middle part of the connecting platform (61) is actively connected to a second transmission rod (62), an outer surface of the second transmission rod (62) is fixedly connected to an elliptical column (63), the left and right sides of the connecting platform (61) are both slidably connected to vibration assemblies (64), and the right side of the bottom end of the connecting platform (61) is fixedly connected to two telescopic rods (46).

9. A mechanical engineering pulverizing device according to claim 8, characterized in that: The vibration component (64) comprises two brackets (641), the bottoms of the two brackets (641) are fixedly connected to two sliding blocks (642), the bottoms of the four sliding blocks (642) are fixedly connected to springs (643), and the upper sides of the two brackets (641) close to each other are fixedly connected to a W-shaped plate (644), and the surface of the W-shaped plate (644) is provided with a plurality of leakage holes (645).

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