A construction waste crushing equipment

Abstract

The present invention provides a construction waste crushing device, comprising: a housing; a motor disposed on one side of the housing; a feed inlet disposed above the housing and connected to the housing; a crushing device disposed inside the housing, the crushing device being provided with a central rotating shaft; a spacing adjusting device for adjusting the distance between two crushing devices; characterized in that the first crushing device further comprises a limiting component, a disc, a hammering block, a limiting rod and a first rotating shaft; the first crushing device is provided with a plurality of discs, the middle part of the disc is provided with an opening, and the disc is fixedly connected to the central rotating shaft passing through the opening; a first opening and an arc-shaped hole are provided at the edge of the disc; the hammering block is disposed at the edge between two adjacent discs, and a second opening and a third opening are provided on the hammering block, and the first rotating shaft passes through the second opening and the first opening on the disc. By providing a spacing adjusting device and a crushing device, a construction waste crushing device that can adapt to different particle sizes and combines the advantages of extrusion crushing and hammering crushing can be obtained.

Description

Technical Field

[0001] The present invention belongs to the field of resource recovery equipment, and particularly relates to a construction waste crushing equipment. Background Art

[0002] Construction waste refers to the general term of muck, waste concrete, waste bricks and stones and other wastes generated in the production activities of the construction industry such as demolition, construction, decoration, and repair. Classified by production source, construction waste can be divided into engineering muck, decoration waste, demolition waste, engineering slurry, etc. Classified by composition, construction waste can be divided into muck, concrete blocks, crushed stones, brick and tile fragments, waste mortar, slurry, asphalt blocks, waste plastics, waste metals, waste bamboo and wood, etc.

[0003] In the prior art, due to the complexity and diversity of the sources of construction waste, the current construction waste crushing equipment often has a single function and cannot be adjusted specifically for construction waste of different particle sizes. On the other hand, using extrusion crushing equipment, the crushing efficiency is high, but the crushing particle size is large; using hammer crushing, the crushing particle size is small, which is convenient for recycling, and the equipment maintenance cost is also low, but the adaptability of this equipment is insufficient.

[0004] Therefore, how to provide a construction waste crushing equipment that can adapt to different particle sizes and combines the advantages of extrusion crushing and hammer crushing has become a technical problem that needs to be solved urgently in this field. Summary of the Invention

[0005] In order to solve the above problems, based on the principle of traditional crushers, the present invention aims to provide a construction waste crushing equipment, which realizes a construction waste crushing equipment that can adapt to different particle sizes and combines the advantages of extrusion crushing and hammer crushing by setting a spacing adjustment device and a crushing device.

[0006] The present invention provides a construction waste crushing equipment, including:

[0007] A housing;

[0008] A motor, arranged on one side of the housing;

[0009] A feed inlet, arranged above the housing and fixedly connected to the housing;

[0010] A first crushing device and a second crushing device, arranged inside the housing, the first crushing device and the second crushing device are provided with central rotating shafts, and the central rotating shafts are connected to the output shaft of the motor;

[0011] A spacing adjustment device, arranged on the other side of the housing, for adjusting the distance between the two crushing devices;

[0012] It is characterized in that the first crushing device and the second crushing device have the same structure. The first crushing device includes a limiting component, a disc, a hammering block, a limiting rod and a first rotating shaft. The first crushing device is provided with a plurality of discs. An opening is formed in the middle part of the disc, and the diameter of the opening is adapted to the central rotating shaft. The disc is fixedly connected to the central rotating shaft passing through the opening. A first opening and an arc-shaped hole are provided at the edge of the disc. The hammering block is arranged at the edge between two adjacent discs. A second opening and a third opening are provided on the hammering block. The diameter of the second opening is adapted to the first rotating shaft. The first rotating shaft passes through the second opening and the first opening on the disc, and the first rotating shaft is fixedly connected to the disc.

[0013] Furthermore, the limiting rod is arranged in the arc-shaped hole and the third opening, and is fixedly connected to the hammering block. The limiting rod can move along the arc direction in the arc-shaped hole.

[0014] Furthermore, the spacing adjusting device includes a support bearing, a backing plate, a base, a slider, a first support member, a second support member and a lead screw.

[0015] Among them, the base, the first support member and the second support member are all fixedly arranged on the side plate and fixedly connected to the side plate. A slide rail is arranged on the base.

[0016] Furthermore, an opening is provided on the first support member, and a bearing is installed in the opening. The second support member is arranged at the left end of the base and fixedly connected to the base. An opening is provided on the second support member, and a bearing is installed in the opening. Both ends of the lead screw are smooth, and one end is rotatably installed in the bearing of the first support member, and the other end is rotatably installed in the bearing of the second support member.

[0017] Furthermore, the support bearing is arranged at the protruding part of the central rotating shaft extending out of the side plate and is coaxially connected to the central rotating shaft. A backing plate is arranged below the support bearing and fixedly connected to the backing plate. Among them, the backing plate at the left central rotating shaft is fixedly connected to the slider, and the backing plate at the right central rotating shaft is fixedly connected to the side plate. An adjusting handle is also arranged at one end of the lead screw extending out of the second support member.

[0018] Furthermore, the housing includes a front housing plate, a rear housing plate, a left arc-shaped plate, a right arc-shaped plate, side plates and a bottom plate. The front housing plate, the rear housing plate, the left arc-shaped plate, the right arc-shaped plate, the side plates and the bottom plate jointly enclose the housing of this crushing equipment. Positioning holes and rectangular adjusting holes are provided on the side plates.

[0019] Furthermore, the limiting component includes a limiting column, a limiting groove and a cylinder. The limiting column is arranged at one end of the limiting rod and fixedly connected to the limiting rod. The cylinder is arranged on the side of the disc and fixedly connected to the disc. The limiting groove is arranged at the end of the telescopic rod at the front of the cylinder and fixedly connected to the cylinder. The width of the groove of the limiting groove is slightly larger than the diameter of the limiting column.

[0020] Further, the feed inlet includes a crank, side plates of the feed inlet, a first guide plate, a second guide plate, and a second rotating shaft;

[0021] The side plates of the feed inlet are provided with openings, the lower ends of the first guide plate and the second guide plate are provided with transverse openings, the second rotating shaft passes through the openings in the side plates of the feed inlet and the transverse openings at the lower ends of the first guide plate and the second guide plate, the diameter of the opening is adapted to the diameter of the second rotating shaft, and the two second rotating shafts are respectively fixedly connected to the first guide plate and the second guide plate. The second rotating shaft can rotate in the opening of the side plates of the feed inlet, a crank is arranged at one end of the second rotating shaft, and the crank is fixedly connected to the second rotating shaft.

[0022] Further, the construction waste crushing equipment includes a first arc-shaped partition plate and a second arc-shaped partition plate; the first arc-shaped partition plate is arranged inside the left arc-shaped plate, the second arc-shaped partition plate is arranged inside the right arc-shaped plate, and slide rails are arranged between the first arc-shaped partition plate and the left arc-shaped plate, and between the second arc-shaped partition plate and the right arc-shaped plate along the arc direction.

[0023] The beneficial effects of the present invention are as follows:

[0024] (1) The construction waste crushing equipment of the present invention can provide two different crushing functions. One is for construction waste with various diameters and relatively large hardness. The extrusion crushing function can be used. The hammer blocks are fixed to the edge of the disc through the limiting assembly, and the distance between the crushing devices is adjusted according to the diameter of the construction waste. The left crushing device is set to rotate clockwise, and the right crushing device is set to rotate counterclockwise, improving the adaptability of the construction waste crushing equipment and the crushing efficiency is higher than that of the hammer crusher at this time.

[0025] (2) When the hardness of the construction waste is relatively low and a smaller particle size is required, at this time, the left crushing device is set to rotate counterclockwise, and the right crushing device is set to rotate clockwise. The limiting mechanism releases the limit on the hammer blocks. At this time, the construction waste is crushed by the hammering method, and the particle size of the crushed construction waste is smaller, which can effectively reduce the maintenance cost of the crushing equipment and extend the service life of the equipment.

[0026] (3) When the extrusion crushing function is used, according to different particle size crushing requirements, the distance between the crushing devices can be slightly adjusted by using the spacing adjusting device; when the hammering crushing function is used, at this time, the spacing adjusting device is used to greatly adjust the distance between the crushing devices, increasing the distance between the crushing devices, and the two crushing devices enter the hammering crushing state, and both can independently complete the construction waste crushing work completely.

[0027] (4) When the construction waste crushing equipment is performing crushing work, the positions of the first guide plate and the second guide plate can be adjusted by the crank according to different working states of the construction waste crushing equipment, and different working states can be achieved in cooperation with the crushing equipment, further realizing the functions of extrusion crushing and hammering crushing of the construction waste crushing equipment, and adjusting different feeding directions.

[0028] (5) When using the hammering crushing function, it slides to the position between the two crushing devices through the slide rail, increasing the counterattack area of the hammering block hammering the construction waste. The counterattacked construction waste further hits the hammering block and is hammered again, making the crushed particle size of the construction waste smaller and finer, so as to facilitate recycling and making various bricks.

[0029] Description of the drawings

[0030] Figure 1 Is the overall view of the construction waste crushing equipment;

[0031] Figure 2 Is the internal structure diagram of the construction waste crushing equipment;

[0032] Figure 3 Is Figure 1 The partial enlarged view at A in

[0033] Figure 4 Is Figure 2 The partial enlarged view at B in

[0034] Figure 5 Is the three-dimensional structure diagram of the hammering device;

[0035] Figure 6 Is the explosion diagram of the hammering device;

[0036] Figure 7 Is the three-dimensional view of the feeding state on both sides of the feeding port;

[0037] Figure 8 Is the three-dimensional view of the feeding state in the middle of the feeding port;

[0038] Figure 9 Is the perspective view of the feeding port;

[0039] Figure 10 Is the extrusion working state diagram;

[0040] Figure 11 Is the hammering working state diagram.

[0041] Motor 1, housing 2, front housing plate 21, rear housing plate 22, left arc plate 23, right arc plate 24, side plate 25, rectangular adjustment hole 29, feed inlet 3, crank 31, spacing adjustment device 4, first crushing device 5, second crushing device 8, limit assembly 51, central rotating shaft 52, support bearing 41, backing plate 42, base 43, slider 44, first support member 45, second support member 46, lead screw 47, adjustment handle 48, hammer block 55, limit rod 56, first rotating shaft 57, second opening 58, third opening 59, feed inlet side plate 32, first guide plate 33, second guide plate 34, second rotating shaft 35, bottom plate 26, first arc partition plate 27, second arc partition plate 28. Detailed implementation manner

[0042] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0043] Refer to Figure 1-2 As shown, this embodiment provides a construction waste crushing device, including a motor 1, a housing 2, a feed inlet 3, a spacing adjustment device 4, a first crushing device 5, and a second crushing device 8; the motor 1 is arranged on one side of the housing 2, and the two motors 1 are drivingly connected to the first crushing device 5 and the second crushing device 8 through output shafts; the spacing adjustment device 4 is arranged on the other side of the housing 2 and is used to adjust the distance between the first crushing device 5 and the second crushing device 8; the first crushing device 5 and the second crushing device 8 are arranged inside the housing 2, and the first crushing device 5 and the second crushing device 8 are provided with a central rotating shaft 52.

[0044] Among them, the housing 2 includes a front housing plate 21, a rear housing plate 22, a left arc plate 23, a right arc plate 24, a side plate 25, and a bottom plate 26; the front housing plate 21, the rear housing plate 22, the left arc plate 23, the right arc plate 24, the side plate 25, and the bottom plate 26 jointly enclose the housing 2 of this crushing device, and positioning holes (not shown) and rectangular adjustment holes 29 are provided on the side plate 25.

[0045] It can be understood that one end of the central rotating shaft 52 of the second crushing device 8 extends out of the positioning hole (not shown) on the side plate 25 and is connected to the output shaft of the motor 1, and the other end of the central rotating shaft 52 extends out of the positioning hole (not shown) of the side plate 25. A bearing is installed in the positioning hole so that the central rotating shaft 52 can rotate in the positioning hole (not shown); one end of the central rotating shaft 52 of the first crushing device 5 extends out of the rectangular adjusting hole 29 and is connected to the output shaft of the motor 1, and the other end of the central rotating shaft 52 extends out of the rectangular adjusting hole 29 and is connected to the spacing adjusting device 4.

[0046] Refer to Figure 3 , the spacing adjusting device 4 includes a support bearing 41, a backing plate 42, a base 43, a slider 44, a first support member 45, a second support member 46 and a lead screw 47; the base 43, the first support member 45 and the second support member 46 are all fixedly arranged on the side plate 25, and a slide rail is arranged on the base 43; the first support member 45 is arranged at the right end of the base 43 and is fixedly connected to the base 43, and an opening is arranged on the first support member 45, and a bearing is installed in the opening; the second support member 46 is arranged at the left end of the base 43 and is fixedly connected to the base 43, and an opening is arranged on the second support member 46, and a bearing is installed in the opening; both ends of the lead screw 47 are smooth, one end is rotatably installed in the bearing of the first support member 45, and the other end is rotatably installed in the bearing of the second support member 46, and the slider 44 is arranged on the lead screw 47 between the first support member 45 and the second support member 46; a threaded hole is arranged on the slider 44 and is adapted to the thread of the lead screw 47; the support bearing 41 is arranged at the protruding part of the central rotating shaft 52 extending out of the side plate 25 and is coaxially connected to the central rotating shaft 52; a backing plate 42 is arranged below the support bearing and is fixedly connected to the backing plate 42; wherein the backing plate 42 at the left central rotating shaft 52 is fixedly connected to the slider 44, and the backing plate 42 at the right central rotating shaft 52 is fixedly connected to the side plate 25; an adjusting handle 48 is further arranged at one end of the lead screw 47 extending out of the second support member 46.

[0047] With the above settings, the motor 1 provides power, and the first crushing device 5 and the second crushing device 8 can respectively rotate around the central rotating shaft 52; when the distance between the first crushing device 5 and the second crushing device 8 is required, rotate the adjusting handle 48, drive the slider 44 to slide on the slide rail of the base 43 through the rotation of the lead screw 47, and then drive the central rotating shaft 52 to move horizontally through the backing plate 42 and the support bearing 41, so as to realize the adjustment of the spacing between the first crushing device 5 and the second crushing device 8.

[0048] Refer to Figures 4-6, the crushing device of the construction waste crushing equipment in this embodiment includes two first crushing devices 5 and a second crushing device 8 with the same structure. The first crushing device 5 includes a limiting component 51, a disc 54, a hammer block 55, a limiting rod 56, and a first rotating shaft 57. A plurality of discs 54 are provided in the first crushing device 5. The middle part of the disc 54 is provided with an opening, and the diameter of the opening is adapted to the central rotating shaft 52. The disc 54 is fixedly connected to the central rotating shaft 52 passing through the opening. A first opening 53 and an arc-shaped hole 511 are provided at the edge of the disc 54. The hammer block 55 is arranged at the edge between two adjacent discs 54. A second opening 58 and a third opening 59 are provided on the hammer block 55. The diameter of the second opening 58 is adapted to the first rotating shaft 57. The first rotating shaft 57 passes through the second opening 58 and the first opening 53 on the disc 54, and the first rotating shaft 57 is fixedly connected to the disc 54. The hammer block 55 can rotate around the first rotating shaft 57. The limiting rod 56 is arranged in the arc-shaped hole 511 and the third opening 59, and the limiting rod 56 is fixedly connected to the hammer block 55. The limiting rod 56 can move along the arc direction in the arc-shaped hole 511.

[0049] The limiting component 51 in this embodiment includes a limiting column 512, a limiting groove 513, and a cylinder 514. The limiting column 512 is arranged at one end of the limiting rod 56 and is fixedly connected to the limiting rod 56. The cylinder 514 is arranged on the side of the disc 54 and is fixedly connected to the disc 54. The limiting groove 513 is arranged at the end of the telescopic rod at the front of the cylinder 514 and is fixedly connected to the cylinder 514. The width of the groove of the limiting groove 513 is slightly larger than the diameter of the limiting column 512.

[0050] Thus, when the cylinder 514 is adjusted to shorten its telescopic rod, the limiting groove 513 is driven to move away from the limiting column 512. At this time, the limiting rod 56 can move along the arc direction in the arc-shaped hole 511, and the hammer block 55 rotates around the first rotating shaft 57 within the range of the arc-shaped hole 511. When the cylinder 514 is adjusted to extend its telescopic rod, the limiting groove 513 is driven to approach the limiting column 512, and the limiting column 512 is restricted in the groove. At this time, the limiting rod 56 cannot move within the range of the arc-shaped hole 511, so that the hammer block 55 is fixed to the edge of the disc 54.

[0051] With the above settings, a construction waste crushing device of the present invention can provide two different crushing functions. One is for construction waste with various diameters and relatively large hardness. The extrusion crushing function can be used. The hammer blocks 55 are fixed to the edge of the disc 54 by the limiting component 51, and the distance between the crushing devices (including the first crushing device 5 and the second crushing device 8) is adjusted according to the diameter of the construction waste. The first crushing device 5 is set to rotate clockwise, and the second crushing device 8 is set to rotate counterclockwise, improving the adaptability of the construction waste crushing device and the crushing efficiency at this time is higher than that of the hammer crusher. The other is when the hardness of the construction waste is relatively low and a smaller particle size is required. At this time, the first crushing device 5 is set to rotate counterclockwise, and the second crushing device 8 is set to rotate clockwise. The limiting mechanism 51 releases the limit on the hammer blocks 55. At this time, the construction waste is crushed by the hammering method, and the particle size of the crushed construction waste is smaller, which can effectively reduce the maintenance cost of the crushing device and extend the service life of the device.

[0052] It should be noted that when using the extrusion crushing function, according to different particle size crushing requirements, the distance between the crushing devices can be adjusted slightly by the spacing adjustment device; when using the hammering crushing function, at this time, the spacing adjustment device is used to adjust the distance between the crushing devices greatly, increasing the distance between the crushing devices, and the two crushing devices enter the hammering crushing state, and both can complete the construction waste crushing work independently and completely.

[0053] Refer to Figures 7-9 , the feed inlet 3 of this embodiment includes a crank 31, feed inlet side plates 32, a first guide plate 33, a second guide plate 34 and a second rotating shaft 35; the feed inlet side plates 32 are provided with holes, and the lower ends of the first guide plate 33 and the second guide plate 34 are provided with transverse holes. The second rotating shaft 35 passes through the holes in the feed inlet side plates 32 and the transverse holes at the lower ends of the first guide plate 33 and the second guide plate 34. The hole diameter is adapted to the diameter of the second rotating shaft 35, and the two second rotating shafts 35 are respectively fixedly connected to the first guide plate 33 and the second guide plate 34. The second rotating shaft 35 can rotate in the holes of the feed inlet side plates 32. One end of the second rotating shaft 35 is provided with a crank 31, and the crank 31 is fixedly connected to the second rotating shaft 35.

[0054] With the above settings, when the construction waste crushing device is performing crushing work, the position of the first guide plate 33 and the second guide plate 34 can be adjusted by adjusting the crank according to different working states of the construction waste crushing device, and different working states can be realized in cooperation with the crushing device; when using the extrusion crushing function, the first crushing device is set to rotate clockwise, and the second crushing device 8 is set to rotate counterclockwise. At this time, the construction waste to be crushed needs to be put into the part between the two crushing devices. Therefore, the first guide plate 33 and the second guide plate 34 in the feed inlet 3 can be adjusted to Figure 8Status; when using the hammer crushing function, at this time, the first crushing device 5 is set to rotate counterclockwise, and the second crushing device 8 is set to rotate clockwise. The construction waste needs to be respectively put above each crushing device. Therefore, the first guide plate 33 and the second guide plate 34 in the feed inlet 3 can be adjusted to Figure 7 Status; by adjusting the feed inlet 3, the functions of extrusion crushing and hammer crushing of the construction waste crushing equipment are further realized, and different feeding directions are adjusted.

[0055] A construction waste crushing equipment of this embodiment further includes a first arc-shaped partition plate 27 and a second arc-shaped partition plate 28; the first arc-shaped partition plate 27 is arranged inside the left arc-shaped plate 23, and the second arc-shaped partition plate 28 is arranged inside the right arc-shaped plate 24. Slide rails (not shown) are arranged between the first arc-shaped partition plate and the left arc-shaped plate 23, and between the second arc-shaped partition plate 28 and the right arc-shaped plate 24 along the arc direction.

[0056] Thus, the first arc-shaped partition plate 27 and the second arc-shaped partition plate 28 can be inside the left arc-shaped plate 23 and the right arc-shaped plate 24, or can slide to the position between the two crushing devices through the slide rails.

[0057] Through the above settings, when the construction waste crushing equipment uses the extrusion crushing function, the first arc-shaped partition plate 27 and the second arc-shaped partition plate 28 are inside the left arc-shaped plate 23 and the right arc-shaped plate 24; when using the hammer crushing function, they slide to the position between the two crushing devices through the slide rails, increasing the counterattack area of the hammer block 55 hitting the construction waste. The counterattacked construction waste further hits the hammer block 55 and is hammered again, making the crushed particle size of the construction waste smaller and finer, so as to facilitate recycling and making various bricks.

[0058] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights. In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A construction waste crushing device, comprising: The housing, the housing includes a front housing plate, a rear housing plate, a left arc plate, a right arc plate, side plates and a bottom plate; the front housing plate, the rear housing plate, the left arc plate, the right arc plate, the side plates and the bottom plate jointly enclose the housing of this crushing equipment, and positioning holes and rectangular adjustment holes are provided on the side plates; The motor is arranged on one side of the housing; The feed inlet is arranged above the housing and is fixedly connected to the housing; The first crushing device and the second crushing device are arranged inside the housing. The first crushing device and the second crushing device are provided with a central rotating shaft, and the central rotating shaft is connected to the output shaft of the motor; The spacing adjustment device is arranged on the other side of the housing and is used to adjust the distance between the two crushing devices; It is characterized in that the first crushing device and the second crushing device have the same structure. The first crushing device includes a limiting component, a disc, a hammering block, a limiting rod and a first rotating shaft; the first crushing device is provided with a plurality of discs, with holes opened in the middle part of the discs, and the diameter of the opened holes is adapted to the central rotating shaft. The discs are fixedly connected to the central rotating shaft passing through the opened holes; first openings and arc-shaped holes are provided at the edges of the discs; the hammering blocks are arranged at the edges between adjacent two discs. Second openings and third openings are provided on the hammering blocks. The diameter of the second openings is adapted to the first rotating shaft. The first rotating shaft passes through the second openings and the first openings on the discs, and the first rotating shaft is fixedly connected to the discs; The limiting rod is arranged in the arc-shaped holes and the third openings, and the limiting rod is fixedly connected to the hammering block. The limiting rod can move along the arc direction in the arc-shaped holes; The limiting component includes a limiting column, a limiting groove and a cylinder. The limiting column is arranged at one end of the limiting rod and is fixedly connected to the limiting rod; the cylinder is arranged on the side of the disc and is fixedly connected to the disc; the limiting groove is arranged at the end of the telescopic rod at the front of the cylinder and is fixedly connected to the cylinder. The width of the limiting groove is slightly larger than the diameter of the limiting column; Among them, when the construction waste has high hardness and large particle size, the cylinder is adjusted to extend its telescopic rod, driving the limiting groove to approach the limiting column and restricting the limiting column in the groove. The limiting rod cannot move within the range of the arc-shaped holes. The hammering block is fixed to the edge of the disc. The first crushing device is set to rotate clockwise, and the second crushing device is set to rotate counterclockwise; When the construction waste has low hardness and small particle size, the cylinder is adjusted to shorten its telescopic rod, driving the limiting groove to move away from the limiting column. The limiting rod can move along the arc direction within the arc-shaped holes. The hammering block rotates around the first rotating shaft within the range of the arc-shaped holes. The limiting component releases the limit on the hammering block, and the first crushing device is set to rotate counterclockwise, and the second crushing device is set to rotate clockwise.

2. The construction waste crushing device according to claim 1, characterized in that The spacing adjustment device includes a pedestal bearing, a backing plate, a base, a slider, a first support, a second support and a lead screw; Among them, the base, the first support and the second support are all fixedly arranged on the side plate and are fixedly connected to the side plate. A slide rail is arranged on the base.

3. The construction waste crushing device according to claim 2, characterized in that An opening is provided on the first support member, and a bearing is installed in the opening; the second support member is arranged at the left end of the base and is fixedly connected to the base. The second support member is provided with an opening, and a bearing is installed in the opening; both ends of the lead screw are smooth, one end is rotatably installed in the bearing of the first support member, and the other end is rotatably installed in the bearing of the second support member.

4. The construction waste crushing device according to claim 3, characterized in that The support bearing is arranged at the protruding part of the central shaft extending out of the side plate and is coaxially connected to the central shaft; a backing plate is arranged below the support bearing and is fixedly connected to the backing plate; among them, the backing plate at the left central shaft is fixedly connected to the slider, and the backing plate at the right central shaft is fixedly connected to the side plate; an adjusting handle is further arranged at one end of the lead screw extending out of the second support member.

5. The construction waste crushing device according to claim 4, characterized in that The feed inlet includes a crank, feed inlet side plates, a first guide plate, a second guide plate, and a second rotating shaft. The feed inlet side plates are provided with openings, and the lower ends of the first guide plate and the second guide plate are provided with transverse openings. The second rotating shaft passes through the openings of the feed inlet side plates and the transverse openings at the lower ends of the first guide plate and the second guide plate. The diameter of the openings is adapted to the diameter of the second rotating shaft, and the two second rotating shafts are respectively fixedly connected to the first guide plate and the second guide plate. The second rotating shaft can rotate in the openings of the feed inlet side plates. A crank is arranged at one end of the second rotating shaft, and the crank is fixedly connected to the second rotating shaft.

6. The construction waste crushing device according to claim 1, characterized in that The construction waste crushing device includes a first arc-shaped partition plate and a second arc-shaped partition plate; the first arc-shaped partition plate is arranged inside the left arc-shaped plate, and the second arc-shaped partition plate is arranged inside the right arc-shaped plate. Slide rails are arranged between the first arc-shaped partition plate and the left arc-shaped plate, and between the second arc-shaped partition plate and the right arc-shaped plate along the arc direction.

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