Bituminous pavement in-situ regeneration admixture spreading device

Abstract

The invention relates to the related technical field of road maintenance devices, and discloses an asphalt pavement in-situ regeneration admixture spreading device which comprises a movable platform assembly, the movable platform assembly comprises a connecting plate, a connecting frame is fixedly mounted on the outer surface of the connecting plate, and a mounting plate is fixedly mounted at the bottom of the connecting frame; a pulley is rotatably mounted in the mounting plate, a protective pad is fixedly mounted on the inner wall of the connecting plate, a mounting box is fixedly mounted at the position, located on the top of the protective pad, of the inner wall of the connecting plate, and a heating module is fixedly mounted at the front end of the inner wall of the mounting box. Asphalt is conveyed to the treatment box through the conveying assembly, the asphalt and an additive in the treatment box are stirred through the stirring assembly, the asphalt and the additive can be driven to be mixed according to a proper proportion and state, and therefore the performance of recycled asphalt is optimized, and through operation of a multi-stage stirring structure of the stirring assembly, the recycling efficiency is improved. Therefore, the anti-fatigue performance of the recycled asphalt pavement is improved.

Description

Technical Field

[0001] The invention relates to the technical field related to road maintenance devices, and in particular to an asphalt pavement in-situ regeneration admixture spreading device. Background Art

[0002] With the continuous development of transportation infrastructure construction and the increase in the service life of roads, a large number of asphalt pavements are facing the need for maintenance and regeneration. This in-situ regeneration admixture spreading device will be used when regenerating old asphalt pavements, especially when it is necessary to improve the performance of asphalt pavements, extend their service life, and reduce maintenance costs. With the development of mechanical engineering technology and material science, this device can better meet the needs of asphalt pavement regeneration projects;

[0003] Among them, the "A spreading device for in-situ regeneration admixture of asphalt pavement and its use method" disclosed in the publication number "CN117822404A" has solved the problem that the existing in-situ regeneration admixture spreading device cannot spread the solid warm mix agent evenly on site due to the uncertainty of the rutting path when spreading the warm mix agent on the pavement, resulting in multiple disadvantages in that it is difficult to accurately cover the rutting path during the construction process. However, there are still many defects in the spreading device in actual use, such as: the existing device may have the problem of uneven stirring, and the material may not be smoothly fed or the material is easy to be blocked during the feeding process. At the same time, the existing spreading device may not be able to accurately control the spreading amount and spreading range when spreading the admixture, so it is necessary to design an in-situ regeneration admixture spreading device for asphalt pavement. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides an asphalt pavement in-situ regeneration admixture spreading device.

[0005] The present invention is implemented by the following technical scheme: an asphalt pavement in-situ regeneration admixture spreading device, comprising a mobile platform assembly, the mobile platform assembly comprising a connecting plate, a connecting frame is fixedly installed on the outer surface of the connecting plate, a mounting plate is fixedly installed on the bottom of the connecting frame, a pulley is rotatably installed inside the mounting plate, a protective pad is fixedly installed on the inner wall of the connecting plate, a mounting box is fixedly installed on the inner wall of the connecting plate at the top of the protective pad, a heating module is fixedly installed on the front end of the inner wall of the mounting box, and further comprises:

[0006] A spray assembly, the spray assembly comprising a sprayer fixedly mounted on the top of the installation box, and a spray port is provided at the bottom of the sprayer;

[0007] The feeding assembly includes a processing box fixedly mounted on the bottom of the installation box, the interior of the processing box is connected to a conveyor belt through a scraper drive, and the inner wall of the processing box is provided with a discharge trough

[0008] A stirring assembly, the stirring assembly comprising a first stirring rod, a second stirring rod and a third stirring rod rotatably mounted on the inner wall of the processing box;

[0009] The material pressing assembly comprises a mounting plate fixedly mounted on the inner wall of the mounting box, and a material pressing roller is arranged on one side of the mounting plate.

[0010] As a further improvement of the above scheme, a feeding trough is provided on the top of the installation box, a sprayer is fixedly installed on the top of the feeding trough, a mounting frame is fixedly installed on the bottom of the feeding trough, a storage box is fixedly installed on the top of the sprayer, a diversion pipe is fixedly installed on the bottom of the sprayer, and a plurality of spraying ports are provided on the outer surface of the diversion pipe.

[0011] Through the above technical solution, the admixture is stored in the storage box, and the storage and precise spraying of the admixture can be achieved by utilizing the structure of the sprayer, the diverter pipe and the spray port. The feeding trough provides an installation position for the sprayer, and the mounting frame lays the foundation for the subsequent structural installation, thereby achieving orderly storage, delivery and spraying of the admixture and ensuring smooth subsequent mixing operations with asphalt.

[0012] As a further improvement of the above solution, a processing box is fixedly installed at the bottom of the mounting frame, a driving roller is rotatably installed inside the processing box, and a servo motor fixedly installed on the outer surface of the connecting plate is provided on the outer surface of the processing box.

[0013] Through the above technical solution, the structure of the processing box is connected by the mounting frame to ensure the installation stability of the processing box. The setting of the servo motor and the drive roller provides a power source for subsequent operations such as material transmission and stirring, thereby providing power for the operation of the entire device and ensuring the stable operation of the processing box.

[0014] As a further improvement of the above solution, the output end of the servo motor is fixedly connected to a driving rod, the driving rod passes through the processing box and is fixedly connected to a driving roller, and the outer surface of the driving roller is sleeved with a first transmission chain.

[0015] Through the above technical solution, the power of the motor can be effectively transmitted to the drive roller through the connection structure of the servo motor, the drive rod and the drive roller, and the existence of the first transmission chain further improves the power transmission system.

[0016] As a further improvement of the above scheme, a transmission belt is sleeved on the side of the driving roller away from the first transmission chain at the central position of the top thereof, and the side of the transmission belt away from the driving roller is sleeved on the outer surface of the limiting roller, and the limiting roller is rotatably mounted on the inner wall of the processing box.

[0017] Through the above technical scheme, the material can be transmitted in the processing box through the structure of the driving roller, the conveyor belt and the limiting roller. The limiting roller plays a limiting and supporting role on the conveyor belt, thereby ensuring the stable operation of the conveyor belt and smooth material transmission.

[0018] As a further improvement of the above scheme, the top of the driving roller is rotatably mounted on a connecting roller on the inner wall of the processing box, the outer surface of the connecting roller is sleeved with a first transmission chain, the side of the first transmission chain away from the connecting roller is sleeved with the outer surface of the driving roller, the outer surface of the connecting roller is fixedly mounted with a first stirring rod, the side of the connecting roller away from the first stirring rod is sleeved with a second transmission chain, the side of the second transmission chain away from the connecting roller is sleeved with the outer surface of the first mounting rod.

[0019] Through the above technical scheme, the power is transmitted from the driving roller to the connecting roller through the connection structure of the driving roller and the connecting roller through the first transmission chain, thereby providing a power source for the stirring component, so that the stirring operation can be coordinated with the feeding operation. Multi-stage stirring can be achieved through the connection structure of the connecting roller and the first mounting rod through the second transmission chain, and the setting of the first stirring rod and the second stirring rod.

[0020] As a further improvement of the above scheme, a second stirring rod is fixedly installed on the outer surface of the first mounting rod, a third transmission chain is sleeved on the outer surface of the first mounting rod, a side of the third transmission chain away from the first mounting rod is sleeved on the outer surface of the second mounting rod, a third stirring rod is fixedly installed on the outer surface of the second mounting rod, and the outer surfaces of the connecting roller, the first mounting rod and the second mounting rod are provided with racks meshing with the first transmission chain, the second transmission chain and the third transmission chain.

[0021] Through the above technical scheme, the multi-stage stirring system is further improved through the connection structure of the first mounting rod and the second mounting rod through the third transmission chain and the setting of each stirring rod. The rack structure ensures the accuracy of transmission, thereby achieving the beneficial effect of further improving the sufficiency and uniformity of stirring and ensuring better material mixing effect.

[0022] As a further improvement of the above solution, a mounting plate is fixedly mounted on the inner wall of the mounting box, a third mounting rod is fixedly mounted on the inner wall of the mounting plate, and a pressing roller is sleeved on the outer surface of the third mounting rod.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] The present invention reduces the viscosity of asphalt by heating the asphalt pavement through the heating module, making it easier for the scraper to shovel it into the processing box. At the same time, the design of multi-stage transmission and multi-stirring rods in the stirring component ensures rapid and full mixing of asphalt and admixtures, thereby improving the efficiency of the entire device in treating asphalt. The spraying component can accurately spray the admixture on the asphalt surface, and the sufficient stirring of the stirring component makes the admixture evenly distributed in the asphalt. Combined with the compaction or finishing and squeezing effect of the pressing component on the discharged asphalt, the quality of the regenerated asphalt pavement can be significantly improved. The evenly distributed admixture can improve the performance of the asphalt, such as improving its anti-aging ability, crack resistance, etc., and the compacted asphalt pavement has better density and bearing capacity, thereby extending the service life of the pavement.

[0025] The present invention conveys asphalt to the processing box through the feeding component, and the stirring component stirs the asphalt and the additive in the processing box, which can drive the asphalt and the additive to be mixed in a suitable proportion and state, thereby achieving the optimization of the regenerated asphalt performance. The scraper of the feeding component shovels the asphalt and the multi-stage stirring structure of the stirring component operates, which can drive the old asphalt and the newly added additive to be fully integrated, thereby achieving the improvement of the fatigue resistance of the regenerated asphalt pavement. After the feeding component inputs the asphalt into the processing box, the stirring component performs a full stirring structure operation, which can drive the internal structure of the asphalt to be reorganized, so that the additive is evenly distributed, thereby achieving the improvement of the resistance of the regenerated asphalt pavement to environmental erosion (such as rain erosion, temperature change, etc.). BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 This is a schematic diagram of the structure of the mobile platform components of the present invention;

[0028] Figure 3 It is a schematic diagram of the structure of the spray assembly of the present invention;

[0029] Figure 4 It is a schematic diagram of the internal structure of the overall structure of the present invention;

[0030] Figure 5 For the present invention Figure 4 A schematic diagram of the structure enlargement in the middle;

[0031] Figure 6 This is a schematic diagram of the structure of the processing box of the present invention;

[0032] Figure 7 For the present invention Figure 6 Enlarged schematic diagram of the structure at point B in the middle.

[0033] Description of main symbols:

[0034] 1. Mobile platform assembly; 101. Connecting plate; 102. Connecting frame; 103. Mounting plate; 104. Pulley; 105. Protective pad; 106. Mounting box; 107. Heating module; 2. Spraying assembly; 201. Storage box; 202. Sprayer; 203. Diverter pipe; 204. Spraying port; 3. Feeding assembly; 301. Mounting frame; 302. Processing box; 303. Scraper; 304. Servo motor; 305. Driving rod; 306. Driving Roller; 307, first transmission chain; 308, transmission belt; 309, limiting roller; 310, discharge trough; 4, stirring assembly; 401, connecting roller; 402, first stirring rod; 403, second transmission chain; 404, first mounting rod; 405, second stirring rod; 406, third transmission chain; 407, second mounting rod; 408, third stirring rod; 5, pressing assembly; 501, mounting plate; 502, third mounting rod; 503, pressing roller. DETAILED DESCRIPTION

[0035] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0036] Example:

[0037] Please combine Figure 1-7 The present embodiment is an asphalt pavement in-situ regeneration admixture spreading device, comprising a mobile platform assembly 1, the mobile platform assembly 1 comprising a connecting plate 101, a connecting frame 102 is fixedly mounted on the outer surface of the connecting plate 101, a mounting plate 103 is fixedly mounted on the bottom of the connecting frame 102, a pulley 104 is rotatably mounted inside the mounting plate 103, a protective pad 105 is fixedly mounted on the inner wall of the connecting plate 101, a mounting box 106 is fixedly mounted on the inner wall of the connecting plate 101 at the top of the protective pad 105, a heating module 107 is fixedly mounted on the front end of the inner wall of the mounting box 106, and further comprising:

[0038] The spray assembly 2 includes a sprayer 202 fixedly mounted on the top of the installation box 106, and a spray port 204 is provided at the bottom of the sprayer 202;

[0039] The feeding assembly 3 includes a processing box 302 fixedly mounted on the bottom of the installation box 106. The interior of the processing box 302 is connected to a conveyor belt 308 through a scraper 303. The inner wall of the processing box 302 is provided with a discharge trough 310.

[0040] A stirring assembly 4, the stirring assembly 4 comprises a first stirring rod 402, a second stirring rod 405 and a third stirring rod 408 rotatably mounted on the inner wall of the processing box 302;

[0041] The material pressing assembly 5 includes a mounting plate 501 fixedly mounted on the inner wall of the mounting box 106 , and a material pressing roller 503 is arranged on one side of the mounting plate 501 .

[0042] A feeding trough is provided on the top of the installation box 106, a sprayer 202 is fixedly installed on the top of the feeding trough, a mounting frame 301 is fixedly installed on the bottom of the feeding trough, a storage box 201 is fixedly installed on the top of the sprayer 202, a diversion pipe 203 is fixedly installed on the bottom of the sprayer 202, and a plurality of spraying ports 204 are provided on the outer surface of the diversion pipe 203.

[0043] The storage box 201 in the spray assembly 2 is a storage place for the admixture. The admixture in the storage box 201 is transported through the sprayer 202. Specifically, the admixture will flow along the diverter pipe 203 at the bottom of the sprayer 202, and finally be evenly sprayed out from several spray ports 204 on the outer surface of the diverter pipe 203. The feeding trough opened on the top of the installation box 106 provides a convenient space for the installation of the storage box 201 and the sprayer 202, and also facilitates the operation of adding the admixture.

[0044] A processing box 302 is fixedly mounted at the bottom of the mounting frame 301 , a driving roller 306 is rotatably mounted inside the processing box 302 , and a servo motor 304 fixedly mounted on the outer surface of the connecting plate 101 is disposed on the outer surface of the processing box 302 .

[0045] The output end of the servo motor 304 is fixedly connected with a driving rod 305 . The driving rod 305 penetrates through the processing box 302 and is fixedly connected with a driving roller 306 . The outer surface of the driving roller 306 is sleeved with a first transmission chain 307 .

[0046] A transmission belt 308 is sleeved on the central position of the top of the driving roller 306 away from the first transmission chain 307 , and the side of the transmission belt 308 away from the driving roller 306 is sleeved on the outer surface of a limiting roller 309 , and the limiting roller 309 is rotatably installed on the inner wall of the processing box 302 .

[0047] The servo motor 304 is started, and the driving rod 305 at its output end drives the driving roller 306 to rotate. On the one hand, the driving roller 306 realizes a transmission relationship with the connecting roller 401 and other components through the first transmission chain 307. On the other hand, the top of the driving roller 306 is connected with a conveyor belt 308. The conveyor belt 308 rotates under the action of the driving roller 306 and the limiting roller 309. The scraper 303 in the processing box 302 can shovel the heated asphalt into the processing box 302, and spray the additive on the asphalt surface through the spraying port 204 through the spraying component 2 on the top, so as to facilitate the subsequent stirring component 4 to stir it.

[0048] The top of the driving roller 306 is rotatably mounted on the connecting roller 401 on the inner wall of the processing box 302, the outer surface of the connecting roller 401 is sleeved with the first transmission chain 307, the side of the first transmission chain 307 away from the connecting roller 401 is sleeved on the outer surface of the driving roller 306, the outer surface of the connecting roller 401 is fixedly mounted with the first stirring rod 402, the side of the connecting roller 401 away from the first stirring rod 402 is sleeved with the second transmission chain 403, the side of the second transmission chain 403 away from the connecting roller 401 is sleeved on the outer surface of the first mounting rod 404.

[0049] A second stirring rod 405 is fixedly mounted on the outer surface of the first mounting rod 404, a third transmission chain 406 is sleeved on the outer surface of the first mounting rod 404, a side of the third transmission chain 406 away from the first mounting rod 404 is sleeved on the outer surface of the second mounting rod 407, a third stirring rod 408 is fixedly mounted on the outer surface of the second mounting rod 407, and the outer surfaces of the connecting roller 401, the first mounting rod 404 and the second mounting rod 407 are provided with racks meshing with the first transmission chain 307, the second transmission chain 403 and the third transmission chain 406.

[0050] The rotation of the connecting roller 401 is driven by the driving roller 306 through the first transmission chain 307. When the connecting roller 401 rotates, the first stirring rod 402 on its outer surface rotates accordingly to perform a stirring operation. At the same time, the connecting roller 401 drives the first mounting rod 404 to rotate through the second transmission chain 403, and the second stirring rod 405 on the first mounting rod 404 performs stirring. The first mounting rod 404 drives the second mounting rod 407 to rotate through the third transmission chain 406, and the third stirring rod 408 on the second mounting rod 407 also participates in the stirring.

[0051] A mounting plate 501 is fixedly mounted on the inner wall of the mounting box 106 , a third mounting rod 502 is fixedly mounted on the inner wall of the mounting plate 501 , and a pressing roller 503 is sleeved on the outer surface of the third mounting rod 502 .

[0052] The implementation principle of an asphalt pavement in-situ regeneration admixture spreading device in the embodiment of the present application is as follows: the mobile platform component 1 bears the key function of movement in the entire device, wherein the pulley 104 is stably mounted on the mounting plate 103, and the mounting plate 103 is closely connected to the connecting plate 101 by means of the connecting frame 102. This structural design enables the device to move flexibly on the road surface. The protective pad 105 on the inner wall of the connecting plate 101 is like a barrier, providing effective protection for the internal components to avoid damage due to vibration or collision during movement. The mounting box 106 is mounted on the inner wall of the connecting plate 101, and the heating module 107 at the front end thereof has the function of heating the entire asphalt pavement. In actual operation, the heating module 107 releases heat to increase the temperature of the asphalt pavement, which is helpful for subsequent processing of the asphalt, such as reducing the viscosity of the asphalt, making it easier to be shoveled and processed;

[0053] The storage box 201 in the spray assembly 2 is a storage place for the admixture. The admixture in the storage box 201 is transported through the sprayer 202. Specifically, the admixture flows along the shunt pipe 203 at the bottom of the sprayer 202, and finally is evenly sprayed out from the plurality of spray ports 204 on the outer surface of the shunt pipe 203. The feeding trough opened on the top of the installation box 106 provides a convenient space for the installation of the storage box 201 and the sprayer 202, and also facilitates the operation of feeding the admixture.

[0054] The servo motor 304 is started, and the driving rod 305 at its output end drives the driving roller 306 to rotate. On the one hand, the driving roller 306 realizes a transmission relationship with the connecting roller 401 and other components through the first transmission chain 307. On the other hand, the top of the driving roller 306 is connected with the transmission belt 308, and the transmission belt 308 rotates under the action of the driving roller 306 and the limiting roller 309. The scraper 303 in the processing box 302 can shovel the heated asphalt into the processing box 302, and spray the additive on the asphalt surface through the spraying port 204 through the spraying component 2 on the top of the asphalt, so as to facilitate the subsequent stirring component 4 to stir it. Finally, the asphalt with the additive added is output from the discharge trough 310 set in the feeding component 3, thereby realizing the feeding function, and the processing box 302 can be installed at the bottom of the feeding trough by using the mounting frame 301;

[0055] In the stirring assembly 4, the rotation of the connecting roller 401 is driven by the driving roller 306 through the first transmission chain 307. When the connecting roller 401 rotates, the first stirring rod 402 on its outer surface rotates accordingly to perform stirring operation. At the same time, the connecting roller 401 drives the first mounting rod 404 to rotate through the second transmission chain 403, and the second stirring rod 405 on the first mounting rod 404 performs stirring. The first mounting rod 404 drives the second mounting rod 407 to rotate through the third transmission chain 406, and the third stirring rod 408 on the second mounting rod 407 also participates in stirring. Through this multi-stage transmission and multi-stirring rod arrangement, the asphalt can be fully and evenly mixed with the admixture in the processing box 302.

[0056] In the press assembly 5, the mounting plate 501 is firmly fixed to the inner wall of the mounting box 106. The press roller 503 is sleeved on the outer surface of the third mounting rod 502. When the treated asphalt is discharged from the discharge trough 310, the press roller 503 can compact or perform a certain arrangement and extrusion on the discharged asphalt. This compaction or arrangement and extrusion effect helps to improve the density of the asphalt, making the regenerated asphalt pavement smoother and more solid, thereby improving the bearing capacity and durability of the asphalt pavement.

[0057] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. An asphalt pavement in-situ regeneration admixture spreading device, comprising a mobile platform assembly (1), the mobile platform assembly (1) comprising a connecting plate (101), a connecting frame (102) being fixedly mounted on the outer surface of the connecting plate (101), a mounting plate (103) being fixedly mounted on the bottom of the connecting frame (102), a pulley (104) being rotatably mounted inside the mounting plate (103), a protective pad (105) being fixedly mounted on the inner wall of the connecting plate (101), a mounting box (106) being fixedly mounted on the inner wall of the connecting plate (101) at the top of the protective pad (105), a heating module (107) being fixedly mounted on the front end of the inner wall of the mounting box (106), characterized in that: Also includes: A spray assembly (2), the spray assembly (2) comprising a sprayer (202) fixedly mounted on the top of the installation box (106), and a spray port (204) is provided at the bottom of the sprayer (202); A material conveying assembly (3), the material conveying assembly (3) comprising a processing box (302) fixedly mounted on the bottom of the installation box (106), the interior of the processing box (302) being connected to a conveyor belt (308) via a scraper (303), and an inner wall of the processing box (302) being provided with a material discharge trough (310); A stirring assembly (4), the stirring assembly (4) comprising a first stirring rod (402), a second stirring rod (405) and a third stirring rod (408) rotatably mounted on the inner wall of the processing box (302); A material pressing assembly (5), the material pressing assembly (5) comprising a mounting plate (501) fixedly mounted on the inner wall of the mounting box (106), a material pressing roller (503) being arranged on one side of the mounting plate (501).

2. The asphalt pavement in-situ regeneration admixture spreading device as claimed in claim 1, characterized in that: A feeding trough is provided on the top of the installation box (106), a sprayer (202) is fixedly installed on the top of the feeding trough, a mounting frame (301) is fixedly installed on the bottom of the feeding trough, a storage box (201) is fixedly installed on the top of the sprayer (202), a diversion pipe (203) is fixedly installed on the bottom of the sprayer (202), and a plurality of spraying ports (204) are provided on the outer surface of the diversion pipe (203).

3. The asphalt pavement in-situ regeneration admixture spreading device as claimed in claim 2, characterized in that: A processing box (302) is fixedly mounted at the bottom of the mounting frame (301), a driving roller (306) is rotatably mounted inside the processing box (302), and a servo motor (304) fixedly mounted on the outer surface of the connecting plate (101) is provided on the outer surface of the processing box (302).

4. The asphalt pavement in-situ regeneration admixture spreading device as claimed in claim 3, characterized in that: The output end of the servo motor (304) is fixedly connected to a driving rod (305), and the driving rod (305) passes through the processing box (302) and is fixedly connected to a driving roller (306), and the outer surface of the driving roller (306) is sleeved with a first transmission chain (307).

5. The asphalt pavement in-situ regeneration admixture spreading device as claimed in claim 4, characterized in that: A transmission belt (308) is sleeved on the central position of the top of the driving roller (306) away from the first transmission chain (307), and a side of the transmission belt (308) away from the driving roller (306) is sleeved on the outer surface of a limiting roller (309), and the limiting roller (309) is rotatably mounted on the inner wall of the processing box (302).

6. The asphalt pavement in-situ regeneration admixture spreading device as claimed in claim 5, characterized in that: The top of the driving roller (306) is rotatably mounted on a connecting roller (401) on the inner wall of the processing box (302); the outer surface of the connecting roller (401) is sleeved with a first transmission chain (307); the side of the first transmission chain (307) away from the connecting roller (401) is sleeved with the outer surface of the driving roller (306); the outer surface of the connecting roller (401) is fixedly mounted with a first stirring rod (402); the side of the connecting roller (401) away from the first stirring rod (402) is sleeved with a second transmission chain (403); the side of the second transmission chain (403) away from the connecting roller (401) is sleeved with the outer surface of the first mounting rod (404).

7. The asphalt pavement in-situ regeneration admixture spreading device as claimed in claim 6, characterized in that: A second stirring rod (405) is fixedly mounted on the outer surface of the first mounting rod (404); a third transmission chain (406) is sleeved on the outer surface of the first mounting rod (404); a side of the third transmission chain (406) away from the first mounting rod (404) is sleeved on the outer surface of the second mounting rod (407); a third stirring rod (408) is fixedly mounted on the outer surface of the second mounting rod (407); and racks meshing with the first transmission chain (307), the second transmission chain (403) and the third transmission chain (406) are arranged on the outer surfaces of the connecting roller (401), the first mounting rod (404) and the second mounting rod (407).

8. The asphalt pavement in-situ regeneration admixture spreading device as claimed in claim 1, characterized in that: A mounting plate (501) is fixedly mounted on the inner wall of the mounting box (106), a third mounting rod (502) is fixedly mounted on the inner wall of the mounting plate (501), and a pressing roller (503) is sleeved on the outer surface of the third mounting rod (502).

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