CN219342724U - Backfill road bed with construction waste processing apparatus - Google Patents

Abstract

The utility model relates to the technical field of roadbed construction, in particular to a construction waste treatment device for backfilling roadbed, which comprises a movable main body, a storage shell, a paving assembly, a plough assembly and a stirring assembly, wherein the storage shell, the paving assembly, the plough assembly and the stirring assembly are sequentially connected to the movable main body; by adopting the technical scheme of the utility model, the problem of low efficiency in filling the construction waste into the roadbed in the prior art can be solved, and the speed of paving the road surface by the construction waste is improved.

Description

Backfill road bed with construction waste processing apparatus

Technical Field

The utility model relates to the technical field of roadbed construction, in particular to a construction waste treatment device for backfilling roadbed.

Background

The construction waste refers to residue soil, waste soil and other wastes generated in the construction or the construction process of a building, and along with the acceleration of industrialization and urban processes, the construction industry also rapidly develops at the same time, and along with the acceleration, how to treat the construction waste and utilize the construction waste is a problem to be solved urgently;

for example, china patent (patent publication No. CN 111632732A) discloses a construction waste crushing and separating device for road engineering, which comprises a primary crushing device, a secondary crushing device, a first transmission device and a secondary transmission device, so as to solve the problem of crushing the construction waste; also, for example, chinese patent (patent publication No. CN 108677638A) discloses a highway subgrade filling method based on construction waste, which utilizes the construction waste as a resource, not only can solve the problem of building waste accumulation to a great extent, but also saves a great amount of natural resources and slows down ecological pollution;

although the two patents solve the problem of crushing construction waste and the problem of how to fill roadbed after crushing, the process of filling the roadbed with the crushed construction waste needs to be treated by transferring, paving, stirring, rolling and the like, and various mechanical equipment and transportation tools are needed, so that the time, money and labor cost are increased, a multifunctional construction waste treatment device is developed, and the efficiency of filling the roadbed with the construction waste can be effectively improved.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a construction waste treatment device for backfilling roadbeds, which aims to solve the problem of low efficiency when the roadbeds are filled with construction waste in the prior art.

According to the embodiment of the utility model, the construction waste treatment device for backfill roadbed comprises a movable main body, a storage shell, a paving assembly, a plow assembly and a stirring assembly, wherein the storage shell, the paving assembly, the plow assembly and the stirring assembly are sequentially connected to the movable main body;

the storage shell is arranged on the surface of the mobile main body and is used for stacking the crushed construction wastes;

the paving assembly is arranged on one side of the movable main body far away from the storage shell; a transmission assembly for transmitting the construction waste is arranged between the paving assembly and the storage shell, and the paving assembly is communicated with the storage shell through the transmission assembly;

the plough assembly is arranged on one side of the paving assembly far away from the storage shell and comprises a support frame and a plurality of plough slices arranged on the surface of the support frame; the plough cutting sheets are uniformly arranged at intervals, the plough cutting range covers the paving range of the paving assembly and is used for overturning and spreading soil after construction waste;

the stirring assembly is arranged on one side of the plough assembly, which is far away from the paving assembly, and comprises a rotating rod and a plurality of rotating blades arranged on the surface of the rotating rod; the plurality of rotary blades are uniformly arranged at intervals, and the stirring range covers the overturning range of the plow assembly and is used for stirring the overturned soil and construction waste mixture.

The technical principle of the utility model is as follows: carrying the construction waste after crushing in advance to deposit the casing, when needing to spread construction waste to ground, moving the main part and driving simultaneously and depositing the casing, lay the subassembly, draw plough subassembly and stirring subassembly and move together, at the in-process of motion, the transmission subassembly is to deposit the construction waste in the casing and constantly carry to the subassembly that paves in, the subassembly that paves evenly spreads construction waste and spread subaerial, because the subassembly that paves, draw plough subassembly and stirring subassembly to set gradually, the construction waste and the lower floor of spreading on ground surface are turned over by drawing plough subassembly, the construction waste after the upset is stirred by stirring subassembly again and is mixed evenly, accomplish evenly spreading and stirring mixing to construction waste.

Preferably, a door plate is hinged to one side surface of the storage shell; the storage shell is obliquely arranged towards the mobile body, and two guide plates are symmetrically arranged in the storage shell; the two guide plates are obliquely arranged and used for guiding the crushed construction waste.

Through adopting above-mentioned technical scheme, the casing and the deflector of depositing of slope setting are convenient to be directed the construction waste who deposits, make it fall into in the transmission subassembly.

Preferably, the transmission assembly comprises a first support tube body and a first spiral pushing rod rotatably arranged inside the first support tube body; one side surface of the first support tube body is arranged inside the storage shell, and a feed inlet communicated with the storage shell is formed in the surface of the first support tube body; the feeding hole is arranged between the two guide plates; one end of the first spiral propelling rod penetrates out of the first supporting tube body and is connected with a power piece which enables the first spiral propelling rod to rotate in a transmission mode, and the first spiral propelling rod conveys construction waste falling into the feed inlet to the paving assembly.

Through adopting above-mentioned technical scheme, two deflector slopes can make building rubbish fall into the internal portion of first stay tube through the feed inlet, and rethread first screw propulsion pole carries building rubbish to the subassembly that paves.

Preferably, the paving assembly comprises a support shell, a second support tube body and a second spiral pushing rod; the second support pipe body is sunken on the surface of the support shell, and a transmission pipeline is communicated between the second support pipe body and the first support pipe body; the second spiral propelling rod is arranged in a double-rotation direction and is rotatably arranged in the second supporting tube body; the communication part of the transmission channel and the second supporting tube body is arranged at the opposite rotation direction of the second spiral pushing rod; and a plurality of evenly spaced discharging holes are formed in one side, close to the ground, of the second supporting tube body, and are all in the movement range of the second spiral pushing rod and used for evenly spreading the construction waste.

Through adopting above-mentioned technical scheme, the construction waste that gets into by transmission pipeline flows into in the second stay tube, and the second screw propulsion pole separately promotes construction waste, and the construction waste of promotion passes through the discharge opening and evenly spreads on ground.

Preferably, the transmission assembly, the second spiral pushing rod and the transmission pipeline are all provided with two pieces and are symmetrically arranged about the movable main body; one end of each of the two second spiral propelling rods, which is opposite to the other end of each of the two second spiral propelling rods, is meshed with a transmission shaft through a bevel gear set; the transmission shaft is rotatably connected with the support shell, and one end of the transmission shaft penetrates out of the support shell and is in transmission connection with the power piece.

By adopting the technical scheme, the spreading efficiency and the uniformity degree during spreading are improved.

Preferably, the plow assembly further comprises a fixed frame and a connecting block; the fixed frames are in one-to-one correspondence with the number of the plough slices, and are uniformly fixed on the surface of the support frame at intervals; the plow cutting piece is fixedly connected with the fixed frame through a connecting block, and the connecting block is rotationally connected with the fixed frame; racks are meshed above the connecting blocks together; the rack slides and sets up in the one side of fixed frame, and the one end fixedly connected with of rack promotes its first hydraulic telescoping rod of motion.

Through adopting above-mentioned technical scheme, drive the rack motion through the flexible end of first hydraulic telescoping rod, the rack drives the connecting block and the plough piece rotates, can adjust the height of plough piece and ground to can pack up the plough piece when not using, conveniently remove.

Preferably, the stirring assembly further comprises a support shell, a motor, a support plate and a second hydraulic telescopic rod; the rotating rod is rotatably arranged on the inner side of the supporting shell and is in transmission connection with the output end of the motor; the motor is fixedly arranged on the surface of the supporting plate; the two ends of the supporting shell are respectively provided with a supporting plate, and the surfaces of the supporting plates are respectively provided with a second hydraulic telescopic rod for adjusting the height of the supporting shell; the free ends of the second hydraulic telescopic rods are fixedly connected with the surface of the supporting shell, and the distance between the rotating blades and the ground is adjusted.

Through adopting above-mentioned technical scheme, drive the support shell through the second hydraulic telescoping rod and reciprocate to adjust the height between rotating vane and the ground, conveniently adjust the stirring degree of depth, and conveniently remove when not using.

Preferably, the movable body adopts a crawler-type transport vehicle; the bottom of the supporting plate and the bottom of the supporting shell are respectively provided with a roller which is contacted with the ground; the surface of the supporting frame is also provided with a roller wheel which is contacted with the ground.

Through adopting above-mentioned technical scheme, improve the stability when whole device operates, make things convenient for the removal main part to drive each subassembly and remove.

Compared with the prior art, the utility model has the following beneficial effects:

1. through the cooperation of the storage shell, the paving assembly, the plough assembly and the stirring assembly, the construction waste after being crushed in advance is only required to be placed in the storage shell, the conveying assembly and the paving assembly can uniformly spread the construction waste on the ground surface, and the whole working process adopts automatic equipment, so that the loss of manpower and physics is greatly reduced, and the construction speed is improved;

2. the plough assembly and the stirring assembly are sequentially used for overturning and stirring the paved construction waste, so that the construction waste and other materials are fully mixed, and the construction quality is improved.

Drawings

FIG. 1 is a schematic diagram of a construction waste treatment device for backfill roadbed according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram II of a construction waste treatment device for backfill roadbed according to the present utility model;

FIG. 3 is a plan view of a construction waste disposal apparatus for backfill roadbed according to the present utility model;

FIG. 4 is an enlarged schematic view of FIG. 1 at A;

FIG. 5 is an enlarged schematic view of FIG. 1 at B;

FIG. 6 is a schematic view of a support frame according to the present utility model;

fig. 7 is a schematic view of a second support tube according to the present utility model.

In the above figures: the device comprises a moving body, a storage shell, a 3 paving component, a 4 plough component, a 5 stirring component, a 6 transmission component, a 7 support frame, an 8 plough piece, a 9 rotating rod, a 10 rotating blade, an 11 door plate, a 12 guide plate, a 13 first support tube body, a 14 first spiral pushing rod, a 15 feed inlet, a 16 support shell, a 17 second support tube body, a 18 second spiral pushing rod, a 19 transmission pipeline, a 20 discharge hole, a 21 transmission shaft, a 22 fixed frame, a 23 connecting block, a 24 rack, a 25 first hydraulic telescopic rod, a 26 support shell, a 27 motor, a 28 support plate, a 29 second hydraulic telescopic rod and a 30 roller.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 7, an embodiment of the present utility model proposes a construction waste treatment apparatus for backfill roadbed, comprising a moving body 1, and a storage housing 2, a paving assembly 3, a plow assembly 4 and a stirring assembly 5 which are sequentially connected to the moving body 1;

the storage shell 2 is arranged on the surface of the mobile body 1 and is used for stacking the crushed construction wastes;

the paving assembly 3 is arranged on one side of the movable body 1 away from the storage shell 2; a transmission assembly 6 for transmitting the construction waste is arranged between the paving assembly 3 and the storage shell 2, and the paving assembly 3 is communicated with the storage shell 2 through the transmission assembly 6;

the plough assembly 4 is arranged on one side of the paving assembly 3 far away from the storage shell 2 and comprises a support frame 7 and a plurality of plough strips 8 arranged on the surface of the support frame 7; the plough cutting sheets 8 are uniformly arranged at intervals, the plough cutting range covers the paving range of the paving assembly 3, and the plough cutting sheets are used for turning over soil after construction waste is paved;

the stirring assembly 5 is arranged on one side of the plow assembly 4 away from the paving assembly 3 and comprises a rotating rod 9 and a plurality of rotating blades 10 arranged on the surface of the rotating rod 9; the plurality of rotary blades 10 are uniformly arranged at intervals, and the stirring range covers the turning range of the plow assembly 4 and is used for stirring the turned soil and construction waste mixture.

When the construction waste is used for backfilling the roadbed, the construction waste is required to be crushed into fine particles in advance, and then the crushed construction waste is transported into the storage shell 2 through the transport means; the movable body 1 moves along the roadbed, the transmission assembly 6 continuously conveys the broken construction waste into the paving assembly 3, the paving assembly 3 uniformly spreads the construction waste on the road surface where the movable body 1 passes, the construction waste spread on the ground can be uniformly stirred by the plow assembly 4 and the stirring assembly 5 in sequence, and the broken construction waste and soil are fully and uniformly mixed.

Referring to fig. 1, the storage case 2 is disposed on the right side surface of the mobile body 1, for stacking the crushed construction waste, an opening is disposed on the right side of the storage case 2, and a door plate 11 hinged to the storage case 2 is disposed at the opening, and the door plate 11 is opened to facilitate the transportation vehicle to pour the crushed construction waste into the storage case 2; the storage shell 2 is obliquely arranged towards the mobile body 1, two guide plates 12 are symmetrically arranged in the storage shell 2, and the two guide plates 12 are obliquely arranged and used for guiding the crushed construction waste, so that the construction waste can fall down in a concentrated direction.

As shown in fig. 1 and 7, according to another embodiment of the present utility model, the construction waste treatment apparatus for backfill roadbed, in which a paving assembly 3 is provided at the left side of a moving body 1; a transmission assembly 6 for transmitting the construction waste is arranged between the paving assembly 3 and the storage shell 2, and the paving assembly 3 is communicated with the storage shell 2 through the transmission assembly 6 and is used for uniformly spreading the construction waste;

in this embodiment, the conveying assembly 6 includes a first supporting tube 13 and a first spiral pushing rod 14 rotatably disposed inside the first supporting tube 13, the upper surface on the right side of the first supporting tube 13 penetrates out of the storage shell 2 and is disposed inside the storage shell 2, a feed inlet 15 communicated with the storage shell 2 is formed on the surface of the first supporting tube 13 disposed inside the storage shell 2, the feed inlet 15 is disposed between two inclined guide plates 12, and construction waste accumulated inside the storage shell 2 falls into the first supporting tube 13 through the feed inlet 15; the right end of the first spiral propulsion rod 14 penetrates out of the first supporting tube 13 and is in transmission connection with a power piece for rotating the first spiral propulsion rod; the power element can be driven by a driving motor or by a gear set or other conventional transmission connection with a power source in the mobile body 1, and will not be described in detail here; the pushing direction of the first screw pushing rod 14 is to convey the construction waste to the paving assembly 3; the two paving components 3 are symmetrically arranged about the movable main body 1, and the two first spiral propelling rods 14 are simultaneously connected with the power piece in a transmission way, so that the efficiency of conveying the construction waste is improved;

the paving assembly 3 comprises a support housing 16, a second support tube 17 and a second auger 18; as shown in fig. 1, the support housing 16 is fixedly connected with the moving body 1 through a plurality of connectors, and an opening for spreading construction waste is provided at the bottom end of the support housing 16; the second supporting tube 17 is sunken on the surface of the supporting shell 16, and a transmission pipeline 19 is communicated between the second supporting tube 17 and the first supporting tube 13; the second spiral pushing rod 18 is arranged in a double-rotation direction, two second spiral pushing rods 18 are symmetrically arranged about the moving body 1 and are rotatably arranged inside the second supporting tube 17; the opposite side surfaces of the two second spiral propulsion rods 18 are respectively meshed with a transmission shaft 21 through bevel gear sets, as shown in fig. 4, the transmission shafts 21 are rotatably connected with the support shell 16, and the free ends of the transmission shafts 21 penetrate through the support shell 16 and are in transmission connection with a power source through universal joints; the power source can be connected with the output shaft through a coupling in a transmission way, and the free end of the output shaft penetrates out of the movable body 1 and is connected with the transmission shaft 21 in a transmission way, wherein the description of the prior art is omitted; the communication part of the transmission pipeline 19 and the second supporting pipe body 17 is arranged at the position opposite to the rotation direction of the second spiral pushing rod 18; a plurality of evenly spaced discharge holes 20 are formed in one side, close to the ground, of the second support pipe body 17, and the discharge holes 20 are all in the movement range of the second spiral pushing rod 18 and are used for evenly spreading construction waste;

the plow assembly 4 is arranged at the left side of the paving group and comprises a supporting frame 7, a plurality of plow blades 8 arranged on the surface of the supporting frame 7, a fixed frame 22 and a connecting block 23; the support frame 7 is in a right triangle shape, a longer right-angle side of the support frame 7 is fixedly connected with the support shell 16, a plurality of plough blades 8 are uniformly arranged on the inclined side of the support frame 7 at intervals, and the plough range covers the paving range of the paving assembly 3 and is used for overturning and spreading soil after construction waste; the fixed frames 22 are in one-to-one correspondence with the number of the plough slices 8, the fixed frames 22 are uniformly fixed on the surface of the supporting frame 7 at intervals, the plough slices 8 are fixedly connected with the fixed frames 22 through connecting blocks 23, and the connecting blocks 23 are rotationally connected with the fixed frames 22;

in order to facilitate the transfer of the movable body 1, racks 24 are meshed with the upper parts of the plurality of connecting blocks 23, teeth are arranged on the surfaces of the connecting blocks 23 contacted with the racks 24, the racks 24 are arranged on one side of the fixed frame 22 in a sliding manner, and one end of each rack 24 is fixedly connected with a first hydraulic telescopic rod 25 for pushing the corresponding rack to move; the rack 24 can be driven to slide by controlling the first hydraulic telescopic rod 25, and the rack 24 can drive the connecting block 23 and the plough share 8 to rotate while sliding, so that the purposes of adjusting the height of the plough share 8 and retracting the plough share 8 are achieved; when the plow blade 8 is retracted, the traveling speed of the mobile body 1 can be increased;

the stirring assembly 5 is arranged at the left side of the plough assembly 4 and comprises a rotating rod 9, a plurality of rotating blades 10 arranged on the surface of the rotating rod 9, a supporting shell 26, a motor 27, a supporting plate 28 and a second hydraulic telescopic rod 29; as can be seen from fig. 1, the support housing 26 is connected and fixed to the support frame 7 by means of a connecting rod; the rotating rod 9 is rotatably arranged on the inner side of the supporting shell 26, and the rotating rod 9 is in transmission connection with the output end of the motor 27; the two motors 27 are respectively and fixedly arranged on the outer side surfaces of the supporting plates 28; the bottoms of the two ends of the supporting shell 26 are respectively provided with a supporting plate 28, and the upper surfaces of the supporting plates 28 are respectively provided with a second hydraulic telescopic rod 29 for adjusting the height of the supporting shell 26; the free ends of the second hydraulic telescopic rods 29 are fixedly connected with the surface of the support shell 26, so that the support shell 26 can be lifted, and the distance between the rotary blade 10 and the ground can be adjusted; the plurality of rotary blades 10 are uniformly arranged at intervals, and the stirring range covers the turning range of the plow assembly 4 and is used for stirring the turned soil and construction waste mixture;

the supporting plate 28 and the bottom of the supporting shell 16 are respectively provided with a roller 30 contacted with the ground, and the surface of the inclined edge of the supporting frame 7 is also provided with the roller 30 contacted with the ground, so that the stability of the supporting frame in running can be improved in the moving process.

The implementation principle of the embodiment of the application is as follows:

crushing the construction waste in advance to ensure that the maximum grain diameter of the construction waste is not more than one third of the thickness of the structural layer, controlling the solid grain diameter to be below 2cm, and transporting the crushed construction waste into the storage shell 2 through a truck; the construction waste after being crushed in advance is conveyed into the paving assembly 3 through the conveying assembly 6, the construction waste is evenly paved on the ground surface through the paving assembly 3, and the ground surface after being paved is fully and evenly mixed through the plough assembly 4 and the stirring assembly 5; dividing the ground surface after spreading and stirring, and calculating HEC consumption of each mixture according to HEC and fly ash consumption designed by the design proportion; calculating the amount of the mixture in the square grid by measuring the square grid drawn by paying off, so as to control the mixing amount of HEC and fly ash during spreading; placing HEC and fly ash into a storage shell 2, and uniformly spreading and stirring HEC and fly ash on the ground which is driven by the HEC and fly ash; after spreading HEC and fly ash, mixing the mixture which is mixed in the earlier stage again, repeatedly mixing for many times, and ensuring uniformity of HEC and fly ash without dead angle; and finally, carrying out fine leveling compaction on the surface after being spread by using a land leveler.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (8)

1. The utility model provides a backfill road bed with construction waste processing apparatus which characterized in that: comprises a moving body (1), a storage shell (2), a paving component (3), a plough component (4) and a stirring component (5) which are sequentially connected to the moving body (1);

the storage shell (2) is arranged on the surface of the mobile body (1) and is used for stacking the crushed construction wastes;

the paving assembly (3) is arranged on one side of the movable main body (1) far away from the storage shell (2); a transmission assembly (6) for transmitting construction waste is arranged between the paving assembly (3) and the storage shell (2), and the paving assembly (3) is communicated with the storage shell (2) through the transmission assembly (6);

the plough assembly (4) is arranged on one side of the paving assembly (3) far away from the storage shell (2) and comprises a support frame (7) and a plurality of plough blades (8) arranged on the surface of the support frame (7); the plough cutting sheets (8) are uniformly arranged at intervals, and the plough cutting range covers the paving range of the paving assembly (3) and is used for turning over soil after construction waste is sprayed;

the stirring assembly (5) is arranged on one side of the plough assembly (4) away from the paving assembly (3), and comprises a rotating rod (9) and a plurality of rotating blades (10) arranged on the surface of the rotating rod (9); the plurality of rotary blades (10) are uniformly arranged at intervals, and the stirring range covers the overturning range of the plow assembly (4) and is used for stirring the overturned soil and construction waste mixture.

2. A construction waste disposal apparatus for backfill roadbed as claimed in claim 1, wherein: a door plate (11) is hinged to one side surface of the storage shell (2); the storage shell (2) is obliquely arranged towards the mobile body (1), and two guide plates (12) are symmetrically arranged in the storage shell (2); the two guide plates (12) are obliquely arranged and used for guiding the crushed construction waste.

3. A construction waste disposal apparatus for backfill roadbed as claimed in claim 1, wherein: the transmission assembly (6) comprises a first support tube body (13) and a first spiral pushing rod (14) rotatably arranged inside the first support tube body (13); one side surface of the first support tube body (13) is arranged inside the storage shell (2), and a feed inlet (15) communicated with the storage shell (2) is formed in the surface of the first support tube body (13); the feeding hole (15) is arranged between the two guide plates (12); one end of the first spiral propelling rod (14) penetrates out of the first supporting tube body (13) and is connected with a power piece which enables the first spiral propelling rod to rotate in a transmission mode, and the first spiral propelling rod (14) conveys construction waste falling into the feeding hole (15) to the paving assembly (3).

4. A construction waste disposal apparatus for backfill roadbed as claimed in claim 3, wherein: the paving assembly (3) comprises a support shell (16), a second support tube body (17) and a second spiral propelling rod (18); the second support pipe body (17) is sunken on the surface of the support shell (16), and a transmission pipeline (19) is communicated between the second support pipe body (17) and the first support pipe body (13); the second spiral propelling rod (18) is arranged in a double-rotation direction and is rotatably arranged in the second supporting tube body (17); the communication part of the transmission pipeline (19) and the second supporting pipe body (17) is arranged at the opposite rotation position of the second spiral pushing rod (18); and a plurality of evenly spaced discharging holes (20) are formed in one side, close to the ground, of the second supporting pipe body (17), and the discharging holes (20) are all in the movement range of the second spiral propelling rod (18) and are used for evenly spreading the construction waste.

5. A construction waste disposal apparatus for backfill roadbed as claimed in claim 4, wherein: the transmission assembly (6), the second spiral pushing rod (18) and the transmission pipeline (19) are respectively provided with two parts and are symmetrically arranged relative to the movable main body (1); one opposite ends of the two second spiral propelling rods (18) are respectively meshed with a transmission shaft (21) through bevel gear sets; the transmission shaft (21) is rotatably connected with the support shell (16), and one end of the transmission shaft penetrates out of the support shell (16) and is in transmission connection with the power piece.

6. A construction waste disposal apparatus for backfill roadbed as claimed in claim 1, wherein: the plough assembly (4) further comprises a fixed frame (22) and a connecting block (23); the fixed frames (22) are in one-to-one correspondence with the number of the plough blades (8), and the fixed frames (22) are uniformly fixed on the surface of the supporting frame (7) at intervals; the plow cutting piece (8) is fixedly connected with the fixed frame (22) through a connecting block (23), and the connecting block (23) is rotationally connected with the fixed frame (22); racks (24) are meshed with the upper parts of the connecting blocks (23); the rack (24) is arranged on one side of the fixed frame (22) in a sliding mode, and one end of the rack (24) is fixedly connected with a first hydraulic telescopic rod (25) which pushes the rack to move.

7. A construction waste disposal apparatus for backfill roadbed as claimed in claim 1, wherein: the stirring assembly (5) further comprises a supporting shell (26), a motor (27), a supporting plate (28) and a second hydraulic telescopic rod (29); the rotating rod (9) is rotatably arranged on the inner side of the supporting shell (26), and the rotating rod (9) is in transmission connection with the output end of the motor (27); the motor (27) is fixedly arranged on the surface of the supporting plate (28); the two ends of the supporting shell (26) are respectively provided with a supporting plate (28), and the surfaces of the supporting plates (28) are respectively provided with a second hydraulic telescopic rod (29) for adjusting the height of the supporting shell (26); the free ends of the second hydraulic telescopic rods (29) are fixedly connected with the surface of the supporting shell (26) and adjust the distance between the rotating blades (10) and the ground.

8. A construction waste disposal apparatus for backfill roadbed as claimed in claim 7, wherein: the movable main body (1) adopts a crawler-type transport vehicle; the bottom of the supporting plate (28) and the bottom of the supporting shell (16) are respectively provided with a roller (30) which is contacted with the ground; the surface of the supporting frame (7) is also provided with a roller (30) which is contacted with the ground.

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