CN221052304U - Auxiliary device for widening road subgrade - Google Patents

Abstract

The utility model relates to a road subgrade widening auxiliary device, which comprises a shell, wherein the bottoms of the shell are close to the left side and the right side and are fixedly connected with fixing plates, the bottoms of the two fixing plates are fixedly connected with a movable seat, the bottoms of the movable seats are close to four corners and are fixedly connected with vertical plates, if the vertical plates are dry, one side of each vertical plate, which is close to the bottom center of the movable seat, is movably connected with a rotating shaft, the other end of each rotating shaft is fixedly connected with a roller, a cavity is formed in each movable seat, the middle position of the cavity is fixedly connected with a side plate, the left side and the right side of each side plate are fixedly connected with electric telescopic rods, the power ends of the two electric telescopic rods are fixedly connected with pushing plates, U-shaped plates are arranged below the left side and the right side of each movable seat, and the bottoms of the inner cavities of the U-shaped plates are movably connected with flattening rollers.

Description

Auxiliary device for widening road subgrade

Technical Field

The utility model relates to the technical field of road construction, in particular to a road subgrade widening auxiliary device.

Background

The urban road subgrade is a strip-shaped structure built according to the road plane position, design high-elevation and certain technical requirements, is a foundation for supporting a road surface, bears the dead weight of the road surface and the driving load transferred by the road surface, and bears the effects of natural factors such as temperature, humidity change and the like all the year round.

The auxiliary device is widened to current road subgrade, in the in-process of using, roadbed filling material can not obtain intensive mixing to the easy agglomeration piece then causes the putty, in addition, lacks the mechanism that prevents unloading pipe jam after the unloading is accomplished in the mixture, thereby leads to influencing the work effect of device.

Disclosure of utility model

The present utility model is directed to providing an auxiliary device for widening road bed to solve the above-mentioned problems in the background art.

The technical scheme of the utility model is that the road subgrade widening auxiliary device comprises a shell, wherein the bottom of the shell is fixedly connected with fixing plates near the left side and the right side, the bottoms of the two fixing plates are fixedly connected with a movable seat together, the bottoms of the movable seat are fixedly connected with vertical plates near the four corners, if the vertical plates are dry, one side of the vertical plates near the center of the bottom of the movable seat is movably connected with a rotating shaft, the other end of the rotating shaft is fixedly connected with a roller, a cavity is formed in the movable seat, the middle position of an inner cavity of the cavity is fixedly connected with a side plate, the left side and the right side of the side plate are fixedly connected with electric telescopic rods, the power ends of the two electric telescopic rods are fixedly connected with pushing plates, the lower parts of the left side and the right side of the movable seat are respectively provided with a U-shaped plate, the bottom of the inner cavity of the U-shaped plate is movably connected with a flattening roller, the two U-shaped plates are fixedly connected with L-shaped fixing rods at the top, moving holes are formed at the left side and the right side of the cavity inner cavity, one ends of the L-shaped fixing rods, which are longer, penetrate through the inner cavities of the adjacent moving holes respectively and are fixedly connected with adjacent pushing plates respectively, a feed hopper is inserted at the position, close to the top, of the right side of the shell, a stirring mechanism is arranged in the inner cavity of the shell, a conical guide block is fixedly connected at the bottom of the inner cavity of the shell, a water tank is fixedly connected at the position, close to the top, of the left side of the shell, a water injection pipe is inserted at the position, close to the left side, of the top of the water tank, a valve matched with the water injection pipe is arranged at the outer side of the water injection pipe, a water pump is fixedly connected at the position, close to the bottom of the water pump, a suction pipe is fixedly connected at the bottom of the water tank, and the bottom of the suction pipe penetrates through the top of the water tank, and extend to the inner chamber of water tank and be close to bottom department, the top fixedly connected with connecting pipe of water pump, just the other end grafting of connecting pipe is close to top department in the left side of shell, the bottom of removing the seat is close to the equal fixedly connected with fixed block of left and right sides department, just the top fixedly connected with unloading shell of fixed block, two the top of unloading shell is close to opposite one side department and all peg graft there is the unloading pipe, and two the other end of unloading pipe is pegged graft respectively in the left and right sides of shell and is close to bottom department, two the outside of unloading pipe all is equipped with the solenoid valve, two the outside of unloading pipe all is equipped with the knocking mechanism, and two the equal grafting of one side department opposite to unloading shell bottom has the unloading funnel, the intermediate position department fixedly connected with second servo motor at removal seat top, the output shaft fixedly connected with worm of second servo motor, just the front side meshing of worm has, the centre of a circle department all runs through and is equipped with the transfer line, and two on the fixed plate equal fixedly connected with first bearing, the left and right side of worm wheel respectively peg graft in the left and right sides of shell respectively in the inner chamber, two adjacent two spiral bearing shells respectively, two adjacent spiral bearing shells have two inner chambers respectively, two adjacent spiral bearing shells have the inner chamber respectively.

In one embodiment, the stirring mechanism comprises an L-shaped supporting rod, the L-shaped supporting rod is fixedly connected to the left side of the shell and is close to the top, the support plate is fixedly connected to one end of the L-shaped supporting rod, which is longer, of the L-shaped supporting rod, the first servo motor is fixedly connected to the top of the support plate, the transmission shaft is fixedly connected to the output shaft of the first servo motor, the right end of the transmission shaft is fixedly connected with a threaded rod, the right end of the threaded rod is movably connected with a rectangular plate, the bottom of the rectangular plate is fixedly connected with the shell, the outer side of the threaded rod is close to the left end, the threaded sleeve is movably connected with a guide plate, a guide hole is formed in the guide plate, the inner cavity of the guide hole is penetrated with a guide rod, and the right end of the guide rod is fixedly connected with the rectangular plate.

In one embodiment, the bottom of thread bush is equipped with two flat boards, and two the flat board sets up from top to bottom, the top of flat board and thread bush fixed connection, and two the relative one side of flat board is close to the common fixedly connected with connecting plate of left side department, fixedly connected with third bearing on the connecting plate, the inner chamber of third bearing runs through and is equipped with the side pipe, just the inner chamber of side pipe runs through and is equipped with square pole, the right-hand member and the rectangular plate swing joint of square pole, just the outside of square pole is close to left end department fixedly connected with first single sheave, the outside fixedly connected with second single sheave of transmission shaft, be connected through belt transmission between first single sheave and the second single sheave.

In one embodiment, the square tube drives the outside and is close to intermediate position department fixedly connected with transmission bevel gear, just transmission bevel gear's top and bottom department all mesh has rotation bevel gear, the top rotate bevel gear's top fixedly connected with axis of rotation, just the top of axis of rotation and the bottom swing joint of adjacent dull and stereotyped, below rotate bevel gear's bottom fixedly connected with (mixing) shaft, and below fixedly connected with fourth bearing on the dull and stereotyped, the top of shell has been seted up and has been moved the mouth, just the bottom of (mixing) shaft runs through fourth bearing in proper order and moves the inner chamber of mouth to extend to the inner chamber of shell, the outside of (mixing) shaft is close to bottom department fixedly connected with a plurality of puddler.

In one embodiment, the knocking mechanism comprises a driving conical gear, the driving conical gear is fixedly connected to the outer side of the transmission rod and is close to the left end, the top of the driving conical gear is meshed with a driven conical gear, the top of the driven conical gear is fixedly connected with a movable rod, the left side is provided with a transverse plate fixedly connected to the right side of the blanking shell and is close to the top, a fifth bearing is fixedly connected to the transverse plate, the top of the movable rod penetrates through an inner cavity of the fifth bearing and is fixedly connected with a rotating rod, the top of the rotating rod is close to the right end and is movably connected with a connecting shaft, the top of the connecting shaft is movably connected with a swinging rod, the left end of the swinging rod is movably connected with an L-shaped plate, a limiting plate is attached to the top of the L-shaped plate, and the right side of the limiting plate is fixedly connected with an adjacent fixing plate.

In one embodiment, the top of L shaped plate fixedly connected with slider, just the spout has been seted up to the bottom of limiting plate, slider swing joint is at the inner chamber of spout.

In one embodiment, the bottom of L shaped plate articulates there is the connecting rod, just the bottom of limiting plate is close to left side department swing joint has the arc pole, the other end of connecting rod and the right side swing joint of arc pole, just the other end fixedly connected with ball of arc pole.

The beneficial effects provided by the utility model are as follows:

1. Through mutually supporting between puddler, first servo motor, belt, thread bush, threaded rod, rotation conical gear, square pole and these parts of side's pipe, still can control the removal when being convenient for drive a plurality of puddler pivoted to improve the effect to raw materials stirring mix, excellent in use effect.

2. Through the mutual cooperation between these parts of arc pole, L shaped plate, swinging arms, dwang, initiative conical gear, driven conical gear and ball, be convenient for drive the ball and make a round trip constantly strike the unloading pipe to accelerate the speed of unloading, also can avoid the jam simultaneously, the expansion of convenient widening work.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

Fig. 4 is an enlarged view of fig. 1 at C.

In the attached drawings, 1, a shell; 2. a feed hopper; 3. a water pump; 4. a water tank; 5. a stirring rod; 6. blanking a shell; 7. a roller; 8. a first servo motor; 9. a belt; 10. a thread sleeve; 11. a threaded rod; 12. rotating the bevel gear; 13. square rods; 14. square tubes; 15. an arc-shaped rod; 16. an L-shaped plate; 17. a swinging rod; 18. a rotating lever; 19. a driving bevel gear; 20. a driven bevel gear; 21. a connecting rod; 22. a helical blade; 23. a ball; 24. a worm; 25. a worm wheel; 26. an electric telescopic rod; 27. and a second servo motor.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The technical solution of the present utility model will be further described below with reference to the accompanying drawings of the embodiments of the present utility model, and the present utility model is not limited to the following specific embodiments.

It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., that indicate an azimuth or a positional relationship based on the directions or the positional relationships shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but not for indicating or suggesting that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limitations of the present patent, and that the specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

In one embodiment, as shown in fig. 1, 2, 3 and 4, the road subgrade widening auxiliary device comprises a housing 1, wherein the positions, close to the left side and the right side, of the bottom of the housing 1 are fixedly connected with fixing plates, the bottoms of the two fixing plates are fixedly connected with a movable seat together, the bottoms of the movable seat are fixedly connected with vertical plates close to four corners, if the positions, close to the center of the bottom of the movable seat, of the dry vertical plates are movably connected with rotating shafts, the other ends of the rotating shafts are fixedly connected with idler wheels 7, cavities are formed in the movable seat, side plates are fixedly connected to the middle positions of inner cavities of the cavities, electric telescopic rods 26 are fixedly connected to the positions of the left side and the right side of the side plates, pushing plates are fixedly connected to the power ends of the two electric telescopic rods 26, U-shaped plates are arranged below the left side and the right side of the movable seat, leveling rollers are movably connected to the bottoms of the inner cavities of the U-shaped plates, the top of the two U-shaped plates is fixedly connected with L-shaped fixing rods, the left side and the right side of the cavity inner cavity are respectively provided with moving holes, one ends of the two L-shaped fixing rods, which are longer, penetrate through the inner cavities of the adjacent moving holes respectively and are fixedly connected with the adjacent pushing plates respectively, the right side of the shell 1 is inserted with a feed hopper 2 near the top, the inner cavity of the shell 1 is provided with a stirring mechanism, the bottom of the inner cavity of the shell 1 is fixedly connected with a conical guide block, the left side of the shell 1 is fixedly connected with a water tank 4 near the top, the top of the water tank 4 is inserted with a water injection pipe, the outer side of the water injection pipe is provided with a valve matched with the water injection pipe, the top of the water tank 4 is fixedly connected with a water pump 3 near the right side, the bottom of the water pump 3 is fixedly connected with a suction pipe, the bottom of the suction pipe penetrates through the top of the water tank 4 and extends to the inner cavity of the water tank 4 near the bottom, the top fixedly connected with connecting pipe of water pump 3, and the other end grafting of connecting pipe is close to top department in the left side of shell 1, the bottom of removal seat is close to the equal fixedly connected with fixed block of left and right sides department, and the top fixedly connected with unloading shell 6 of fixed block, the equal grafting of one side department that is close to relative of top of two unloading shells 6 has the unloading pipe, and the other end of two unloading pipes is pegged graft respectively in the left and right sides of shell 1 and is close to bottom department, the outside of two unloading pipes all is equipped with the solenoid valve, the outside of two unloading pipes all is equipped with the knocking mechanism, and the equal grafting of one side opposite in bottom of two unloading shells 6 has the unloading funnel, the intermediate position department fixedly connected with second servo motor 27 at removal seat top, the output shaft fixedly connected with worm 24 of second servo motor 27, and the front side meshing of worm 24 has 25, centre of a circle department all runs through and is equipped with the transfer line on the worm wheel 25, and equal fixedly connected with first bearing on two fixed plates, the inner chamber of adjacent first bearing is run through respectively to both ends of transfer line, and equal fixedly connected with bull stick, and two opposite spiral vane 22 are located the two adjacent bearing inner chamber of two opposite sides 6 inner chamber respectively, two opposite spiral vane 22 are connected respectively.

In this embodiment, as shown in fig. 1 and 2, the stirring mechanism comprises an L-shaped supporting rod, the L-shaped supporting rod is fixedly connected to the left side of the casing 1 near the top, one end of the L-shaped supporting rod, which is longer, is fixedly connected with a supporting plate, the top of the supporting plate is fixedly connected with a first servo motor 8, an output shaft of the first servo motor 8 is fixedly connected with a transmission shaft, the right end of the transmission shaft is fixedly connected with a threaded rod 11, the right end of the threaded rod 11 is movably connected with a rectangular plate, the bottom of the rectangular plate is fixedly connected with the casing 1, the outside of the threaded rod 11 is movably connected with a threaded sleeve 10 near the left end, the bottom of the threaded sleeve 10 is provided with two flat plates, the two flat plates are arranged up and down, the top of the upper flat plate is fixedly connected with the threaded sleeve 10, one side of the two flat plates is near the left side, a joint fixedly connected with a connecting plate, a third bearing is fixedly connected to the connecting plate, an inner cavity of the third bearing is penetratingly arranged in the connecting plate, the square tube 14 is arranged, the outer side of the square tube 14 is driven near the middle position, a transmission conical gear is fixedly connected with the right end of the transmission conical gear, the top and the bottom of the transmission conical gear is meshed with the conical gear 12, the upper end of the transmission conical gear is movably connected with the rectangular shaft 12, the upper end is movably connected with the rotating shaft 12, the rotating shaft is movably connected with the rotating shaft 13 near the top of the square shaft, the upper end of the square shaft is movably connected with the square shaft, the inner cavity is fixedly connected with the inner cavity 13, the upper end of the stirring shaft is fixedly connected with the upper end of the stirring shaft, the upper end of the stirring shaft is fixedly connected with the stirring shaft, and the stirring shaft is fixedly connected with the upper end 13, and the upper end of the stirring shaft is fixedly connected with the stirring shaft, and the stirring top and the stirring device is connected with the stirring device is the stirring top and the stirring well, and the stirring device and the stirring. And the outside of square pole 13 is close to left end department fixedly connected with first single sheave, and the outside fixedly connected with second single sheave of transmission shaft is connected through belt 9 transmission between first single sheave and the second single sheave, and the top fixedly connected with deflector of thread bush 10, and has seted up the guiding hole on the deflector, and the inner chamber in guiding hole runs through and is equipped with the guide bar, and the right-hand member and the rectangular plate fixed connection of guide bar.

The speed of unloading is improved, avoid its jam, in an embodiment, as shown in fig. 1, 3 and 4, knocking mechanism includes initiative conical gear 19, initiative conical gear 19 fixed connection is close to left end department in the outside of transfer line, and the top meshing of initiative conical gear 19 has driven conical gear 20, the top fixedly connected with movable rod of driven conical gear 20, and the right side department fixedly connected with diaphragm near top of left side blanking shell 6, fixedly connected with fifth bearing on the diaphragm, and the top of movable rod runs through the inner chamber of fifth bearing, and fixedly connected with dwang 18, the top of dwang 18 is close to right-hand member department swing joint and is connected with the axle, and the top swing joint of axle has swinging arms 17, the left end swing joint of swinging arms 17 has L shaped plate 16, the bottom of L shaped plate 16 articulates there is connecting rod 21, and the bottom of limiting plate is close to left side department swing joint has arc shaped rod 15, the other end and the right side swing joint of arc shaped rod 15, and the other end fixedly connected with ball 23 of arc shaped rod 15, the top fixedly connected with slider of L shaped plate 16, and the bottom of L shaped plate is close to right side limiting plate 16 is equipped with the limiting plate, limiting plate is equipped with the adjacent fixed connection at the top of limiting plate, limiting plate is equipped with the limiting plate, the inner chamber is equipped with the limiting plate.

Working principle: when the device is used, the device can be pushed to move to the roadbed widening position to be appointed through the arrangement of the plurality of rollers 7, then required filling materials are led into the shell 1 through the feed hopper 2, the first servo motor 8 is started by an external power supply, the output shaft of the first servo motor 8 drives the transmission shaft to rotate when the first servo motor works, the transmission shaft rotates to drive the second single grooved pulley and the threaded rod 11 to rotate, the threaded rod 11 rotates and drives the threaded sleeve 10 to move left and right, the threaded sleeve 10 moves left and right to drive the stirring shaft and the stirring rod 5 to move left and right back and forth in the inner cavity of the shell 1 through the flat plate, the square tube 14 also moves left and right back and forth at the outer side of the square rod 13, the second single grooved pulley rotates and drives the first single grooved pulley to rotate through the transmission of the belt 9, the first single grooved pulley rotates and drives the square rod 13 to rotate, the square rod 13 rotates to drive the square tube 14 to rotate, the square tube 14 rotates to drive the transmission bevel gears to rotate, the transmission bevel gears rotate to drive the two rotation bevel gears 12 to rotate, the rotation bevel gears 12 below rotate to drive the stirring shaft to rotate, the stirring shaft rotates to drive the stirring rods 5 to rotate, the stirring rods 5 rotate to stir and mix raw materials, the stirring rods 5 rotate and can move left and right in the inner cavity of the shell 1, so that the stirring and mixing effect is improved, electromagnetic valves on two sides can be opened after the stirring and mixing are completed, the mixed raw materials flow to two sides under the action of the conical guide blocks, and flow into the inner cavities of adjacent blanking shells 6 respectively through the arrangement of the two blanking pipes, at the moment, the second servo motor 27 can be started through an external power supply, and the output shaft of the second servo motor 27 drives the worm 24 to rotate when working, the worm 24 rotates to drive the transmission rod to rotate through the worm wheel 25, the transmission rod rotates to drive the two driving bevel gears 19 and the helical blades 22 to rotate, the two helical blades 22 rotate to convey raw materials to the opposite side, the driving bevel gears 19 drive the rotation rod 18 to rotate through the driven bevel gears 20 when rotating, the rotation rod 18 rotates to drive the L-shaped plate 16 to move left and right through the swinging rod 17, the L-shaped plate 16 moves left and right to drive the arc rod 15 to swing back and forth through the connecting rod 21, the arc rod 15 swings back and forth to knock the blanking pipe through the ball 23, so that the blanking efficiency is accelerated, meanwhile, the blocking can be avoided, the materials fall to the surface of the roadbed through the blanking hopper, at the moment, the two electric telescopic rods 26 can be started through an external power supply, and the power ends of the two electric telescopic rods 26 can drive adjacent flattening rollers to move to the opposite side when working, so that the filling materials on the surfaces of the two electric telescopic rods are flattened, the roadbed is effectively improved, the road surface is prevented from being uneven, and the inner cavity of the housing 1 is cleaned after the water pump 3 and the water tank 4 are arranged.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (7)

1. The road subgrade widening auxiliary device is characterized by comprising a shell, wherein the bottom of the shell is close to the left side and the right side and is fixedly connected with fixing plates, the bottoms of the fixing plates are fixedly connected with a movable seat, the bottoms of the movable seats are close to four corners and are fixedly connected with vertical plates, a rotating shaft is movably connected to one side of each vertical plate, which is close to the bottom center of the movable seat, if the vertical plates are dry, the other end of each rotating shaft is fixedly connected with a roller, a cavity is formed in each movable seat, the middle position of the cavity is fixedly connected with a side plate, the left side and the right side of each side plate are fixedly connected with electric telescopic rods, the power ends of the two electric telescopic rods are fixedly connected with pushing plates, the bottoms of the left side and the right side of each movable seat are respectively provided with a U-shaped plate, the bottoms of the inner cavities of the U-shaped plates are movably connected with flattening rollers, the two U-shaped plates are fixedly connected with L-shaped fixing rods at the top, moving holes are formed at the left side and the right side of the cavity inner cavity, one ends of the L-shaped fixing rods, which are longer, penetrate through the inner cavities of the adjacent moving holes respectively and are fixedly connected with adjacent pushing plates respectively, a feed hopper is inserted at the position, close to the top, of the right side of the shell, a stirring mechanism is arranged in the inner cavity of the shell, a conical guide block is fixedly connected at the bottom of the inner cavity of the shell, a water tank is fixedly connected at the position, close to the top, of the left side of the shell, a water injection pipe is inserted at the position, close to the left side, of the top of the water tank, a valve matched with the water injection pipe is arranged at the outer side of the water injection pipe, a water pump is fixedly connected at the position, close to the bottom of the water pump, a suction pipe is fixedly connected at the bottom of the water tank, and the bottom of the suction pipe penetrates through the top of the water tank, and extend to the inner chamber of water tank and be close to bottom department, the top fixedly connected with connecting pipe of water pump, just the other end grafting of connecting pipe is close to top department in the left side of shell, the bottom of removing the seat is close to the equal fixedly connected with fixed block of left and right sides department, just the top fixedly connected with unloading shell of fixed block, two the top of unloading shell is close to opposite one side department and all peg graft there is the unloading pipe, and two the other end of unloading pipe is pegged graft respectively in the left and right sides of shell and is close to bottom department, two the outside of unloading pipe all is equipped with the solenoid valve, two the outside of unloading pipe all is equipped with the knocking mechanism, and two the equal grafting of one side department opposite to unloading shell bottom has the unloading funnel, the intermediate position department fixedly connected with second servo motor at removal seat top, the output shaft fixedly connected with worm of second servo motor, just the front side meshing of worm has, the centre of a circle department all runs through and is equipped with the transfer line, and two on the fixed plate equal fixedly connected with first bearing, the left and right side of worm wheel respectively peg graft in the left and right sides of shell respectively in the inner chamber, two adjacent two spiral bearing shells respectively, two adjacent spiral bearing shells have two inner chambers respectively, two adjacent spiral bearing shells have the inner chamber respectively.

2. The road subgrade widening auxiliary device according to claim 1, characterized in that the stirring mechanism comprises an L-shaped supporting rod, the L-shaped supporting rod is fixedly connected to the left side of the casing near the top, and one end of the L-shaped supporting rod, which is longer, is fixedly connected with a supporting plate, the top of the supporting plate is fixedly connected with a first servo motor, the output shaft of the first servo motor is fixedly connected with a transmission shaft, the right end of the transmission shaft is fixedly connected with a threaded rod, the right end of the threaded rod is movably connected with a rectangular plate, the bottom of the rectangular plate is fixedly connected with the casing, the outer side of the threaded rod is close to the left end, the top of the threaded sleeve is fixedly connected with a guide plate, a guide hole is formed in the guide plate, the inner cavity of the guide hole is penetrated with a guide rod, and the right end of the guide rod is fixedly connected with the rectangular plate.

3. The auxiliary device for widening the road subgrade according to claim 2, characterized in that two flat plates are arranged at the bottom of the threaded sleeve, the two flat plates are arranged up and down, the top of each flat plate is fixedly connected with the threaded sleeve, two opposite sides of each flat plate are fixedly connected with a connecting plate near the left side, a third bearing is fixedly connected to each connecting plate, an inner cavity of each third bearing is penetrated and provided with a square tube, the inner cavity of each square tube is penetrated and provided with a square rod, the right end of each square rod is movably connected with a rectangular plate, the outer side of each square rod is fixedly connected with a first single sheave near the left end, the outer side of each transmission shaft is fixedly connected with a second single sheave, and the first single sheaves and the second single sheaves are connected through belt transmission.

4. The road subgrade widening auxiliary device according to claim 3, characterized in that the square tube drives the outside to be close to the intermediate position department fixedly connected with transmission bevel gear, just the top and the bottom department of transmission bevel gear all mesh and have rotation bevel gear, the top of rotation bevel gear is fixedly connected with axis of rotation, just the top of axis of rotation and the bottom swing joint of adjacent dull and stereotyped, below rotation bevel gear's bottom fixedly connected with (mixing) shaft, and below fixedly connected with fourth bearing on the dull and stereotyped, the top of shell has been seted up and has been moved the mouth, just the bottom of (mixing) shaft runs through the inner chamber of fourth bearing and removal mouth in proper order to extend to the inner chamber of shell, the outside of (mixing) shaft is close to bottom department fixedly connected with a plurality of puddler.

5. The road subgrade widening auxiliary device according to claim 1, characterized in that the knocking mechanism comprises a driving conical gear, the driving conical gear is fixedly connected to the outer side of a transmission rod near the left end, the top of the driving conical gear is meshed with a driven conical gear, the top of the driven conical gear is fixedly connected with a movable rod, the left side of the blanking shell is fixedly connected with a transverse plate near the top, the transverse plate is fixedly connected with a fifth bearing, the top of the movable rod penetrates through the inner cavity of the fifth bearing and is fixedly connected with a rotating rod, the top of the rotating rod is movably connected with a connecting shaft near the right end, the top of the connecting shaft is movably connected with a swinging rod, the left end of the swinging rod is movably connected with an L-shaped plate, the top of the L-shaped plate is provided with a limiting plate in a fitting mode, and the right side of the limiting plate is fixedly connected with an adjacent fixed plate.

6. The auxiliary device for widening the roadbed according to claim 5, wherein the top of the L-shaped plate is fixedly connected with a sliding block, a sliding groove is formed in the bottom of the limiting plate, and the sliding block is movably connected to an inner cavity of the sliding groove.

7. The auxiliary device for widening the roadbed according to claim 5, wherein the bottom of the L-shaped plate is hinged with a connecting rod, the bottom of the limiting plate is movably connected with an arc-shaped rod near the left side, the other end of the connecting rod is movably connected with the right side of the arc-shaped rod, and the other end of the arc-shaped rod is fixedly connected with a ball.