CN111155397A

CN111155397A - Asphalt distributor convenient for adjusting discharge amount

Info

Publication number: CN111155397A
Application number: CN201911244436.4A
Authority: CN
Inventors: 柳力; 王森
Original assignee: Foshan Xinlai Engineering Technology Co ltd
Current assignee: Foshan Xinlai Engineering Technology Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-05-15

Abstract

The invention discloses an asphalt spreader convenient for adjusting the discharge amount, which comprises a car body, wherein the top surface of the back of the car body is fixedly connected with an asphalt storage tank, and the output end of the asphalt storage tank is fixedly connected and communicated with a conveying box through a conveying pipeline and a heating box. The invention relates to the technical field of road construction equipment, and discloses a spreading frame welded at the output end of a conveying box. This conveniently adjust pitch sprinkling machine of load, through the linkage between telescopic link and the control lever, realize the rotation that cylindrical tooth and annular side tooth mutually supported and realize the center valve rod between, and dislocation effect between discharge opening and first sealed rubber ring and the second sealed rubber ring through center valve rod surface has realized the adjustment and the control to spreading intraductal pitch flow, the control to the switching of sprinkler head device has been realized through the rotatory dislocation of pitch delivery chute and first pitch delivery outlet and second pitch delivery outlet, the individual switching of adjustment sprinkler head device that can be simple and convenient, and is easy and simple to handle effective.

Description

Asphalt distributor convenient for adjusting discharge amount

Technical Field

The invention relates to the technical field of road construction equipment, in particular to an asphalt distributor with the discharge amount convenient to adjust.

Background

Asphalt is frequently used in highway road construction in China, and asphalt binder formed by matching asphalt with mineral materials improves the capability of the paving material to resist driving and damage of natural factors to the pavement, so that the pavement is smooth, dustless and durable. In the treatment and maintenance of the surface of the asphalt pavement, the mineral materials of the pavement can be effectively protected by spraying the liquid asphalt material by using an asphalt spraying machine, the adhesion degree of the mineral material pieces is kept, and the flexibility of the pavement is kept.

In most asphalt distributor sprinkling systems of today, sprinkling pipe and nozzle are fixed connection, can not adjust the orientation that the nozzle sprays, also be difficult to control the nozzle simultaneously and face the use number in different width pavements, because the high viscosity of pitch, when some nozzle outlets block up, it is difficult to carry out effective adjustment to the individual output quantity of nozzle, bring the difficulty for road surface laying and maintenance engineering, still few adopt many nozzles timesharing to switch over and realize different width or flow regulation, for example prior art CN202247626U, CN2928930Y, but this kind of solution need dispose a large amount of probes and arrange in rows between the probe, make the probe occupation space big, and the reliability is not high.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the asphalt spreader with the discharge amount convenient to adjust, and solves the problem that the discharge amount of the existing asphalt spreader is inconvenient to adjust.

In order to achieve the purpose, the invention is realized by the following technical scheme: the asphalt spreader capable of conveniently adjusting the discharge amount comprises a spreader body, wherein an asphalt storage tank is fixedly connected to the top surface of the back of the spreader body, and the output end of the asphalt storage tank is fixedly connected and communicated with a conveying box through a conveying pipeline and a heating box.

The welding of the output of transfer box has the cloth sprinkling frame, the top welding of cloth sprinkling frame is at the back of automobile body, there are two telescopic links, two in the bottom of cloth sprinkling frame through round pin axle swing joint the top welding of telescopic link has the transmission arm, all weld spacing guide rail, two about the cloth sprinkling frame spacing guide rail's side has all been seted up spacing logical groove, the both ends of transmission arm run through respectively about it spacing logical groove that side position is relative and rather than sliding connection, two spray tube fixed connection is passed through to one side that spacing guide rail bottom is relative, peg graft at the middle part of spray tube and have rather than the communicating transfer pipeline of pitch storage tank, the surface activity of spray tube has cup jointed rather than communicating sprinkler head device, the sprinkler head device is through the control ring swing joint who welds in transmission arm one end

Preferably, the number of the sprinkler devices is four, the four sprinkler devices are movably sleeved on the surface of the sprinkler pipe at equal intervals, and the top ends of the two sprinkler devices positioned in the middle of the sprinkler pipe are movably sleeved with the control ring.

Preferably, the sprinkler head device comprises an upper sealing cover, a driven layer, a driving layer and a bottom sealing cover, the upper sealing cover, the driven layer, the driving layer and the bottom sealing cover are sequentially stacked and clamped in a direction deviating from the middle of the sprinkler pipe, and the upper sealing cover and the bottom sealing cover are respectively in sealing connection with the left side and the right side of the cross section of the sprinkler pipe where the sprinkler head device is located.

Preferably, the sealing upper cover comprises a sealing gasket, one side of the sealing gasket is in sealing connection with the cross section close to the middle of the spray pipe, a first sealing rubber ring is sleeved in the middle of the sealing gasket, two rotating grooves are axially symmetrically formed in the surface of the sealing gasket relative to the first sealing rubber ring, a first asphalt output hole is formed in the left side of the axial symmetry line of the two rotating grooves, and four corners of the sealing gasket are fixedly connected with positioning needle columns.

Preferably, the driven layer includes first loop, the fixed cover of first loop is fixed and is connect the surface at sealed upper cover, the middle part swivelling joint of first loop has the rotation axis, the both ends of rotation axis respectively with the relative both sides swing joint of first loop inner wall, the fixed cover in both ends of rotation axis has connect the cylindricality tooth, two central valve rod fixed connection is passed through to the relative one side of cylindricality tooth, the discharge opening has been seted up on the surface of central valve rod, two sector plates have been cup jointed in the inboard activity of first loop, sector plate surface seted up with location styletable assorted location pinhole, it is left sector plate surface seted up with first pitch delivery outlet assorted second pitch delivery outlet.

Preferably, the initiative layer includes the ring cover, the ring cover activity is cup jointed on the inner wall of first looper, the inboard of ring cover is inlayed have with cylindricality tooth assorted annular side tooth, the centre of a circle department of annular side tooth is inlayed and is had the second sealing rubber ring that matches with first sealing rubber ring, the pitch delivery chute has been seted up to one side of annular side tooth, the pitch delivery chute deviates from the one end welding of annular side tooth and has rather than communicating discharging pipe, the discharging pipe runs through one side of ring cover and extends to its outside, the one end fixedly connected with of discharging pipe rather than communicating pitch nozzle, annular track groove and triangle stopper have been seted up to the back of annular side tooth, the surface of ring cover and the one side welding that carries on the back mutually with the discharging pipe position have a control lever, the control lever activity is cup jointed in the control ring.

Preferably, the sealed bottom cover comprises a second loop matched with the first loop, a sealing plate is embedded in the inner side of the second loop, an embedded ring groove matched with the ring sleeve is formed in the outer edge of the sealing plate, a track sliding block is welded to the front side of the sealing plate, the track sliding block is connected in the annular track groove in a sliding mode, and the second sealing rubber ring is fixedly sleeved at the circle center of the sealing plate.

Preferably, the outer side of the second sealing rubber ring is movably sleeved with a torsion spring, and two ends of the torsion spring are respectively embedded in the triangular limiting block and the sealing plate.

Advantageous effects

The invention provides an asphalt distributor capable of conveniently adjusting the discharge amount. Compared with the prior art, the method has the following beneficial effects:

(1) the sprayer is provided with a plurality of layers of movable structures, so that a large number of probes required by flow and orientation switching are omitted by traditional time-sharing switching of the probes, the manufacturing cost of the probes is saved, and the transverse occupied space required by arrangement of the probes is reduced.

(2) This pitch sprinkling machine of convenient adjustment load is through mutually supporting the rotation that realizes central valve rod between cylindricality tooth and the annular side tooth to discharge opening and the dislocation effect between first sealed rubber ring and the second sealed rubber ring through central valve rod surface have realized the adjustment and the control to spreading intraductal pitch flow.

(2) According to the asphalt spraying machine convenient for adjusting the discharge amount, the control of the opening and closing of the spraying head device is realized through the rotation dislocation of the asphalt output groove and the first asphalt output hole and the second asphalt output hole, the individual opening and closing of the spraying head device can be simply and conveniently adjusted, the number of the spraying head devices is adjusted, and the spraying heads are selected according to the road surface conditions.

(3) The orientation of the spraying head device is effectively adjusted through the telescopic rod, the control ring and the control column, the selection and the opening and closing control of the spraying head device are realized, and the operation is simple, convenient and effective.

Drawings

FIG. 1 is a side view of a structure of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is a plan view of a curb rail and sprinkler head assembly of the present invention;

FIG. 4 is a front view of a structural seal cover of the present invention;

FIG. 5 is a front view of a driven layer of the structure of the present invention;

FIG. 6 is a rear view of a driven layer of the structure of the present invention;

FIG. 7 is an elevation view of an active layer of the structure of the present invention;

fig. 8 is a front view of a structural sealing bottom cap of the present invention.

In the figure: 1. a vehicle body; 2. an asphalt storage tank; 3. a heating box; 4. a delivery box; 5. a cloth spreading frame; 501. a sector-shaped side panel; 6. a telescopic rod; 7. a drive arm; 8. limiting a guide rail; 9. a limiting through groove; 10. a spray tube; 11. a sprinkler head device; 1101. sealing the upper cover; 110101, a gasket seal; 110102, a first sealing rubber ring (110103, a rotating groove; 110104, a first asphalt output hole; 110105, a positioning needle column; 1102, a driven layer; 110201, a first loop; 110202, a rotating shaft; 110203, a cylindrical tooth; 110204, a central valve rod; 110205, a discharge hole; 110206, a sector plate; 110207, a positioning needle hole; 110208, a second asphalt output hole; 1103, a driving layer; 110301, a loop; 110302, an annular lateral tooth; 110303, a second sealing rubber ring; 110304, an asphalt output groove; 110305, a discharge pipe; 110306, an asphalt nozzle; 110307, an annular track groove; 110308, a triangular limiting block; 110309, a control rod; 1104, a sealing bottom cover; 110401, a second loop; 110402, a sealing plate; 110403, an embedded ring groove; 110404, a track sliding block; 110405, a torsion spring; 12, a control ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a conveniently adjust pitch sprinkling machine of load, includes automobile body 1, the top surface fixedly connected with pitch storage tank 2 at 1 back of the automobile body, and pitch storage tank 2's output passes through transfer piping and communicates with each other through

heating cabinet

3 and 4 fixed connection of transfer box, and heating cabinet 3 can heat the pitch and keep warm, prevents the pitch cooling, reduces its viscosity, and transfer box 4 can effectively be with pitch pressurization propelling movement to pitch nozzle 110306 blowout.

The output end of the conveying box 4 is welded with a spreading frame 5, the top end of the spreading frame 5 is welded at the back of the vehicle body 1, the bottom end of the spreading frame 5 is movably connected with two telescopic rods 6 through pin shafts, the top ends of the two telescopic rods 6 are welded with a transmission arm 7, the left side and the right side of the spreading frame 5 are both welded with a limiting guide rail 8, the side surfaces of the two limiting guide rails 8 are both provided with a limiting through groove 9, the two ends of the transmission arm 7 respectively penetrate through the limiting through grooves 9 at the opposite positions of the left side and the right side and are, the stability of the transmission arm 7 driven by the telescopic rod 6 is enhanced through the limiting through groove 9, one side opposite to the bottom ends of the two limiting guide rails 8 is fixedly connected through the spraying pipe 10, the middle part of the spraying pipe 10 is inserted with a conveying pipeline communicated with the asphalt storage tank 2, the surface of the spraying pipe 10 is movably sleeved with the spraying head device 11 communicated with the spraying pipe, and the spraying head device 11 is movably connected with the control ring 12 welded at one end of the transmission arm 7.

In the invention, the number of the sprinkler head devices 11 is four, the four sprinkler head devices 11 are movably sleeved on the surface of the sprinkler pipe 10 at equal intervals, the top ends of the two sprinkler head devices 11 positioned in the middle of the sprinkler pipe 11 are movably sleeved with the control ring 12, the two sprinkler head devices 11 in the middle can rotate around the transmission arm 7 under the pushing of the transmission arm 7, and the rotation of the two sprinkler head devices 11 in the middle can control the flow of asphalt in the sprinkler pipe 10.

In the present invention, the sprinkler device 11 includes a sealing upper cover 1101, a driven layer 1102, an active layer 1103 and a sealing bottom cover 1104, the sealing upper cover 1101, the driven layer 1102, the active layer 1103 and the sealing bottom cover 1104 are stacked and engaged in sequence in a direction away from the middle of the sprinkler pipe 10, and the sealing upper cover 1101 and the sealing bottom cover 1104 are hermetically connected to the left and right sides of the cross section of the sprinkler pipe 10 where the sprinkler device 11 is located.

According to the invention, the upper sealing cover 1101 comprises a sealing gasket 110101, one side of the sealing gasket 110101 is hermetically connected with a cross section close to the middle part of the spray pipe 10, the middle part of the sealing gasket 110101 is sleeved with a first sealing rubber ring 110102, two rotating grooves 110103 are axially symmetrically formed on the surface of the sealing gasket 110101 relative to the first sealing rubber ring 110102, the shape and the size of each rotating groove 110103 are matched with cylindrical teeth 110203, the left sides of the axial symmetry lines of the two rotating grooves 110103 are provided with first asphalt output holes 110104, four corners of the sealing gasket 110101 are fixedly connected with positioning needle columns 110105, asphalt can be effectively input into the spray head device 11 from the inner diameter of the first sealing rubber ring 110102 through the upper sealing cover 1101, and the influence of the asphalt on the operation between the cylindrical teeth 110203 and the annular side teeth 110302 is isolated.

In the invention, a driven layer 1102 comprises a first loop 110201, the first loop 110201 is fixedly sleeved on the surface of a sealing upper cover 1101, the middle part of the first loop 110201 is rotatably connected with a rotating shaft 110202, two ends of the rotating shaft 110202 are respectively movably connected with two opposite sides of the inner wall of the first loop 110201, two ends of the rotating shaft 110202 are fixedly sleeved with cylindrical teeth 110203, one opposite sides of the two cylindrical teeth 110203 are fixedly connected through a central valve rod 110204, the surface of the central valve rod 110204 is provided with a discharge hole 110205, as the central valve rod 110204 moves coaxially with the cylindrical teeth 110203, the central valve rod 110204 rotates to drive the discharge hole 110205 to be staggered with the first sealing rubber ring 110102 and the second sealing rubber ring 110303, the asphalt flow in a spray pipe 10 is reduced along with the reduction of the intersecting area between the discharge hole and the first sealing rubber ring 110102 and the second sealing rubber ring 110303, the inner side of the first loop 110201 is movably sleeved with two sector plates 110206, the surface of the sector plates 110206 is provided with a positioning pin 110105 matched with a needle positioning pin 105, the positioning pin hole 110207 is matched with the positioning pin column 110105 to limit the position relation between the sector plate 110206 and the sealing gasket 110101, so that the cylindrical teeth 110203 can rotate in the rotating groove 110103, and the surface of the sector plate 110206 on the left side is provided with a second asphalt output hole 110208 matched with the first asphalt output hole 110104.

In the invention, the driving layer 1103 comprises a ring sleeve 110301, the ring sleeve 110301 is movably sleeved on the inner wall of a first movable sleeve 110201, the ring sleeve 110301 realizes the connection between the driving layer 1103 and the driven layer 1102 and a sealing bottom cover 1104, annular side teeth 110302 matched with cylindrical teeth 110203 are embedded on the inner side of the ring sleeve 110301, the annular side teeth 110302 move coaxially with the ring sleeve 110301, the annular side teeth 110302 drive the cylindrical teeth 110203 to rotate when rotating relative to the position of the spray pipe 10, so that the discharge hole 110205 is dislocated with a first sealing rubber ring 110102 and a second sealing rubber ring 110303, the flow of asphalt passing through the spray head device 11 is adjusted, meanwhile, the annular side teeth 110302 can cause the displacement between an asphalt output groove 110304 and a first asphalt output hole 110104 and a second asphalt output hole 110208 when rotating, the switching of the open and close output states of the spray head device 11 is realized, and a second sealing rubber ring 110303 matched with the first sealing rubber ring 110102 is embedded at the circle center of the annular side teeth 110302, an asphalt output groove 110304 is formed in one side of the annular side tooth 110302, when the position of the asphalt output groove 110304 coincides with the position of the first asphalt output hole 110104 and the position of the second asphalt output hole 110208, asphalt in the sprinkler head device 11 can enter a discharge pipe 110305 through the asphalt output groove 110304, a discharge pipe 110305 communicated with the asphalt output groove 110304 is welded to one end, away from the annular side tooth 110302, of the asphalt output groove 110304, a discharge pipe 110305 penetrates through one side of the ring sleeve 110301 and extends to the outside of the ring sleeve, an asphalt nozzle 110306 communicated with the discharge pipe 110305 is fixedly connected to one end of the discharge pipe 110305, an annular track groove 110307 and a triangular limiting block 110308 are formed in the back face of the annular side tooth 110302, a control rod 110309 is welded to one side, opposite to the position of the discharge pipe 110305, and the control rod 39.

In the invention, the sealing bottom cover 1104 comprises a second loop 110401 matched with the first loop 110201, a sealing plate 110402 is embedded on the inner side of the second loop 110401, an embedded ring groove 110403 matched with the loop 110301 is formed in the outer edge of the sealing plate 110402, a track sliding block 110404 is welded on the front face of the sealing plate 110402, the track sliding block 110404 is connected in the annular track groove 110307 in a sliding mode, and a second sealing rubber ring 110303 is fixedly sleeved at the circle center of the sealing plate 110402.

In the invention, the outer side of the second sealing rubber ring 110303 is movably sleeved with a torsion spring 110405, and two ends of the torsion spring 110405 are respectively embedded in the triangular limiting block 110308 and the sealing plate 110402.

In use, asphalt is normally supplied to the spray pipe 10 and sprayed out through the four spray head devices 11 to spray the asphalt on the ground. When the number of the sprinkler devices 11 and the amount of spraying need to be reduced, the telescopic rod 6 is contracted to drive the transmission arm 7 to slide in the limiting through groove 9, so that the transmission arm 7 is separated from the sprinkler tube 10, the ring cover 110301 rotates through the transmission of the control ring 12 and the control rod 110309, the asphalt nozzles 110306 of the two sprinkler devices 11 in the middle are lifted, the active layer 1103 in the sprinkler devices 11 is driven to rotate and is staggered with other three layers, and when the asphalt output groove 110304 is not staggered with the first asphalt output hole 110104 and the second asphalt output hole 110208, the sprinkler devices 11 are changed from an open state to a closed state, and asphalt is not sprayed.

Meanwhile, as the rotation between the annular side teeth 110302 and the cylindrical teeth 110203 causes the position of the discharge hole 110205 on the surface of the central valve stem 110204 to be staggered with the positions of the first sealing rubber ring 110102 and the second sealing rubber ring 110303, the flow rate of the asphalt transmitted to the end position of the spray pipe 10 through the spray head device 11 is reduced as the area of the superposition intersection of the discharge hole 110205 and the second sealing rubber ring 110303 in the same plane is gradually reduced, and thus the adjustment of the output quantity of the asphalt is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An asphalt distributor convenient for adjusting the discharge amount comprises a vehicle body (1), wherein the top surface of the back of the vehicle body (1) is fixedly connected with an asphalt storage tank (2), and the output end of the asphalt storage tank (2) is fixedly connected and communicated with a conveying tank (4) through a conveying pipeline via a heating tank (3);

the conveying device is characterized in that a cloth sprinkling frame (5) is welded at the output end of the conveying box (4), the top end of the cloth sprinkling frame (5) is welded at the back of the vehicle body (1), two telescopic rods (6) are movably connected at the bottom end of the cloth sprinkling frame (5) through pin shafts, a transmission arm (7) is welded at the top end of the two telescopic rods (6), limiting guide rails (8) are welded at the left side and the right side of the cloth sprinkling frame (5), limiting through grooves (9) are formed in the side faces of the two limiting guide rails (8), two ends of the transmission arm (7) respectively penetrate through the limiting through grooves (9) at the left side and the right side and are in sliding connection with the transmission arm, one side opposite to the bottom ends of the two limiting guide rails (8) is fixedly connected through a sprinkling pipe (10), a conveying pipeline communicated with the asphalt storage box (2) is inserted in the middle of the sprinkling pipe (10), and a plurality of sprinkling head devices (11) communicated, the spraying head devices (11) are movably connected through a control ring (12) welded at one end of the transmission arm (7), a plurality of spraying head devices (11) are movably sleeved on the surface of the spraying pipe (10) at equal intervals, and the top ends of the spraying head devices (11) positioned in the middle of the spraying pipe (11) are movably sleeved with the control ring (12);

the sprinkler head device (11) comprises an upper sealing cover (1101), a driven layer (1102), a driving layer (1103) and a sealing bottom cover (1104), the upper sealing cover (1101), the driven layer (1102), the driving layer (1103) and the sealing bottom cover (1104) are sequentially stacked and clamped in a direction departing from the middle of the sprinkler tube (10), the upper sealing cover (1101) and the sealing bottom cover (1104) are respectively in sealing connection with the left side and the right side of the cross section of the sprinkler tube (10) where the sprinkler head device (11) is located, the upper sealing cover (1101) comprises a sealing gasket (110101), one side of the sealing gasket (110101) is in sealing connection with the cross section close to the middle of the sprinkler tube (10), a first sealing rubber ring (110102) is sleeved at the middle of the sealing gasket (110101), two rotating grooves (110103) are axially symmetrically formed in the surface of the sealing gasket (110101) relative to the first sealing rubber ring (110102), a first asphalt output hole (110104) is formed in the left side of the axial symmetry line of the two rotating grooves (110103), and four corners of the sealing gasket (110101) are fixedly connected with positioning needle columns (110105); the driven layer (1102) comprises a first loop (110201), the first loop (110201) is fixedly sleeved on the surface of the sealing upper cover (1101), the middle part of the first loop (110201) is rotatably connected with a rotating shaft (110202), two ends of the rotating shaft (110202) are respectively and movably connected with two opposite sides of the inner wall of the first loop (110201), two ends of the rotating shaft (110202) are fixedly sleeved with cylindrical teeth (110203), one opposite sides of the two cylindrical teeth (110203) are fixedly connected through a central valve rod (110204), the surface of the central valve rod (110204) is provided with a discharge hole (110205), the inner side of the first loop (110201) is movably sleeved with two sector plates (110206), the surface of the sector plate (110206) is provided with a positioning pinhole (110207) matched with the positioning needle post (110105), and the surface of the sector plate (110206) on the left side is provided with a second asphalt output hole (110208) matched with the first asphalt output hole (110104);

the sealing bottom cover (1104) comprises a second loop (110401) matched with the first loop (110201), a sealing plate (110402) is embedded in the inner side of the second loop (110401), an embedded annular groove (110403) matched with the annular ring (110301) is formed in the outer edge of the sealing plate (110402), a track sliding block (110404) is welded to the front face of the sealing plate (110402), the track sliding block (110404) is connected in the annular track groove (110307) in a sliding mode, and the second sealing rubber ring (110303) is fixedly sleeved at the circle center of the sealing plate (110402).

2. The asphalt distributor convenient for discharging amount adjustment according to claim 1, wherein: the number of the spraying head devices (11) is four, the four spraying head devices (11) are movably sleeved on the surface of the spraying pipe (10) at equal intervals, and the top ends of the two spraying head devices (11) positioned in the middle of the spraying pipe (11) are movably sleeved with control rings (12).

3. The asphalt distributor convenient for discharging amount adjustment according to claim 2, wherein: the active layer (1103) comprises a ring sleeve (110301), the ring sleeve (110301) is movably sleeved on the inner wall of a first loop (110201), annular side face teeth (110302) matched with cylindrical teeth (110203) are embedded in the inner side of the ring sleeve (110301), a second sealing rubber ring (110303) matched with a first sealing rubber ring (110102) is embedded in the circle center of the annular side face teeth (110302), an asphalt output groove (110304) is formed in one side of the annular side face teeth (110302), a discharge pipe (110305) communicated with the asphalt output groove (110304) is welded to one end, deviating from the annular side face teeth (110302), of the asphalt output groove (110304), the discharge pipe (110305) penetrates through one side of the ring sleeve (110301) and extends to the outside of the ring sleeve, an asphalt nozzle (110306) communicated with the discharge pipe (110305) is fixedly connected to one end of the discharge pipe, an annular track groove (110307) and a triangular limiting block (110308) are formed in the back of the annular side face teeth (110302), the control rod (110309) is welded on one side of the surface of the ring sleeve (110301), which is opposite to the discharge pipe (110305), and the control rod (110309) is movably sleeved in the control ring (12).

4. The asphalt distributor capable of conveniently adjusting the discharge amount according to claim 3, wherein: a torsion spring (110405) is movably sleeved on the outer side of the second sealing rubber ring (110303), and two ends of the torsion spring (110405) are respectively embedded in the triangular limiting block (110308) and the sealing plate (110402).