CN110983916A

CN110983916A - Compression roller structure for pavement compactor

Info

Publication number: CN110983916A
Application number: CN201911259013.XA
Authority: CN
Inventors: 沈涛洋
Original assignee: Wenzhou Yuantuo Machinery Technology Co ltd
Current assignee: Wenzhou Yuantuo Machinery Technology Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-04-10

Abstract

The invention discloses a compression roller structure for a pavement compactor, which comprises an installation frame, a connecting rod, a first belt, a second belt and a vehicle body connecting plate, wherein a fixed top plate is arranged above the installation frame, fan cylinders are vertically arranged on the fixed top plate, a horizontally distributed hollow shaft is rotatably arranged on the installation frame, the inner wall of the installation frame is connected with a second driving gear through a gear shaft, a horizontally distributed driving shaft is arranged between the installation frames, the top ends of a round rod and a vertical rod are rotatably connected, and the vehicle body connecting plate is connected with the inner wall of the installation frame through a rotating rod. This a compression roller structure for road surface compactor, the design of structure is used more rationally, can be under the condition of not changing the compression roller, through the use of compression roller inside and outside structure, changes the whole weight of compression roller and the pressure to ground, and it is very convenient to adjust, possesses diversified compaction mode simultaneously, and road surface flattening compaction effect is better.

Description

Compression roller structure for pavement compactor

Technical Field

The invention relates to the technical field of construction machinery, in particular to a compression roller structure for a pavement compactor.

Background

The road surface compactor is a mechanical device for road surface, mainly playing the purpose of compacting the original relatively loose structure of the road surface, the existing road surface compactor really playing the compacting role is a compression roller installed at the front/rear end of the implement, generally having a large weight, and compacting the road surface in a self-rolling mode under the traction action of the implement, but the existing compression roller structure has the following problems in actual use:

1. the compaction requirements required by different road surfaces are different, so that when different road surface structures are compacted by the same compactor, compression rollers with different weights need to be replaced on machines, the compression rollers are inconvenient to replace due to the fact that the self weights of the compression rollers are large and the connection structure is complex, and the conventional single compression roller cannot realize convenient and fast adjustment of the road surface pressure;

2. the structure of compression roller department is comparatively complicated, but the function is more single, and the compression roller compaction mode of installing on general same kind of machines all is very single, and consequently the road surface is leveled the effect not good, possesses the compression roller of multiple functions moreover, all need carry out complicated regulation operation around using, otherwise when traveling on normal road surface, functional structure on the compression roller causes the damage to current normal road surface easily.

Disclosure of Invention

The invention aims to provide a compression roller structure for a pavement compactor, which aims to solve the problems that the replacement is inconvenient and the conventional single compression roller cannot realize convenient and quick adjustment of pavement pressure; the function is more single, and the compression roller that possesses multiple functions all needs to carry out complicated regulation operation before using, otherwise when traveling on normal road surface, functional structure on the compression roller causes the problem of damage to current normal road surface easily.

In order to achieve the purpose, the invention provides the following technical scheme: a compression roller structure for a pavement compactor comprises an installation frame, a connecting rod, a first belt, a second belt and a vehicle body connecting plate, wherein a fixed top plate is arranged above the installation frame, the upper end face of the fixed top plate is fixedly connected with the connecting rod through a reinforcing rod, a fan cylinder is vertically installed on the fixed top plate, the top end and the bottom end of the fan cylinder are both of an open structure, a motor installed above the fixed top plate is arranged on the side of the fan cylinder and is connected with a rotating shaft which is vertically distributed, the rotating shaft is rotatably installed on the fixed top plate, a horizontally distributed hollow shaft is rotatably installed on the installation frame, a compression roller body located between the installation frame is fixedly installed on the hollow shaft, the inner wall of the installation frame is connected with the second driving gear through a gear shaft, and the gear shaft in the third driving gear is connected with the hollow shaft through the first belt, and the avris meshing of the second drive gear that distributes perpendicularly is connected with third drive gear, be provided with horizontal distribution's drive shaft between the installation frame, and the drive shaft is connected with the plectane to be connected with the round bar between 2 plectanes that parallel, be connected through the second belt between 2 drive shafts simultaneously, the top of round bar and montant is rotated and is connected, and 2 group's montant bottom installs first clamp plate and second clamp plate respectively to first clamp plate and second clamp plate are located the below of 2 drive shafts respectively, the automobile body connecting plate is connected through the inner wall of bull stick and installation frame.

Preferably, the lower terminal surface of the tail end of the fixed top plate is connected with the output end of a telescopic rod, the telescopic rod is vertically and fixedly installed at the left end of the installation frame, and the telescopic rod is a hydraulic rod or an electric push rod.

Preferably, the rotating shaft and the fan blade shaft are both provided with a first driving gear, the fan blade shaft is vertically rotatably arranged inside the fan barrel, the diameter of the first driving gear on the fan blade shaft is smaller than that of the first driving gear on the rotating shaft, and the bottom end of the rotating shaft and the right end of the brush shaft are both provided with a bevel gear.

Preferably, the brush shaft is horizontally and rotatably installed on the lower end face of the fixed top plate, the brush shaft is provided with the cleaning brush, and the brush shaft, the cleaning brush and the fan blade shaft are all located above the compression roller body.

Preferably, the hollow structure in the hollow shaft is communicated with the containing cavity through a channel, the channel and the containing cavity are arranged in the compression roller body at equal angles, and the end of the hollow shaft is rotatably connected with a communicating pipe communicated with the hollow structure.

Preferably, the third driving gear is fixedly installed on the transverse cylinder, a square opening at the end of the transverse cylinder is matched with a square structure at the end of the driving shaft, and one end of the transverse cylinder is connected with the adjusting rod bearing.

Preferably, adjust pole sliding connection on the installation frame, the end fixedly connected with of regulation pole rather than looks vertically handle pole, and the avris sliding connection of handle pole has the threaded rod, threaded rod fixed mounting is in the surface of installation frame to the avris of handle pole is provided with the stop nut of threaded mounting on the threaded rod.

Preferably, the first pressing plate and the second pressing plate have the same internal structure and opposite movement directions, the lower end face of the first pressing plate is provided with a water outlet hole, the water outlet hole is communicated with a cavity arranged in the first pressing plate, and the cavity is communicated with a water hose arranged on the first pressing plate.

Compared with the prior art, the invention has the beneficial effects that: the compression roller structure for the pavement compactor has the advantages that the structure is more reasonable in design and use, the whole weight of the compression roller and the pressure on the ground can be changed through the use of the inner structure and the outer structure of the compression roller under the condition that the compression roller is not replaced, the adjustment is very convenient, meanwhile, diversified compaction modes are provided, and the pavement leveling compaction effect is better;

1. the design of the plurality of accommodating cavities in the compression roller body is convenient for controlling and changing the water quantity in the accommodating cavities through the hollow shaft and the communicating pipe, so that the weight of the compression roller is adjusted in an auxiliary manner, and the extension length of the telescopic rod is controlled by using the telescopic rod, so that the pressure between the compression roller and the ground is mainly adjusted, and the design is more reasonable;

2. the fan blade shaft, the motor, the rotating shaft and other structures are used, so that the surface of the compression roller is conveniently cooled in an air cooling mode, and meanwhile, the compression roller is filled with cold water in the accommodating cavity in a matching mode, so that the temperature distribution is quicker and the heat dissipation effect is better when the compression roller is compacted on a high-temperature asphalt pavement, and compared with the traditional heat dissipation mode that cold water is sprayed outside the compression roller, the water resource is saved;

3. through the use of the structures such as the brush shaft, the conical gear and the like, when the motor drives the fan blade shaft to rotate, the brush shaft can be synchronously driven to rotate, and through the use of air flow at the fan cylinder and the cleaning at the cleaning brush, the efficient dust removal treatment can be carried out on the compression roller;

4. the use of first clamp plate and second clamp plate is convenient for through the transmission between the drive gear, make the roll compression roller body can drive two clamp plates in step and reciprocate in turn, thereby ground strikes the compaction operation, the holistic compaction mode of device is more diversified, and can adjust second drive gear and third drive gear's connection status through handle bar and regulating lever, ensure that the whole state of traveling on normal road surface of compactor, first clamp plate and second clamp plate can keep the state of relative rest, can not cause the damage to the road surface.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged cross-sectional view taken at A in FIG. 1 according to the present invention;

FIG. 3 is a side view of the brush shaft of the present invention;

FIG. 4 is a schematic front sectional view of the press roll body according to the present invention;

FIG. 5 is a schematic top view of the mounting frame of the present invention;

FIG. 6 is a schematic view of a cross-sectional view of the horizontal tube of the present invention;

FIG. 7 is a side view of the first pressing plate of the present invention;

FIG. 8 is a side view of the second pressing plate of the present invention.

In the figure: 1. installing a frame; 2. fixing a top plate; 201. a telescopic rod; 3. a reinforcing rod; 4. a connecting rod; 5. a fan cylinder; 6. an electric motor; 7. a rotating shaft; 71. a first drive gear; 72. a fan blade shaft; 73. a bevel gear; 74. a brush shaft; 75. cleaning with a brush; 8. a compression roller body; 9. a hollow shaft; 91. a channel; 92. an accommodating chamber; 93. a communicating pipe; 10. a first belt; 11. a second drive gear; 12. a third drive gear; 121. a transverse cylinder; 122. adjusting a rod; 123. a handle bar; 124. a threaded rod; 125. a limit nut; 13. a drive shaft; 14. a circular plate; 15. a round bar; 16. a second belt; 17. a vertical rod; 18. a first platen; 181. a water outlet hole; 182. a cavity; 183. a water hose; 19. a second platen; 20. a vehicle body connecting plate; 21. and (4) rotating the rod.

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: a compression roller structure for a pavement compactor comprises an installation frame 1, a fixed top plate 2, a telescopic rod 201, a reinforcing rod 3, a connecting rod 4, a fan cylinder 5, a motor 6, a rotating shaft 7, a first driving gear 71, a fan blade shaft 72, a bevel gear 73, a brush shaft 74, a cleaning brush 75, a compression roller body 8, a hollow shaft 9, a channel 91, an accommodating cavity 92, a communicating pipe 93, a first belt 10, a second driving gear 11, a third driving gear 12, a transverse cylinder 121, an adjusting rod 122, a handle rod 123, a threaded rod 124, a limiting nut 125, a driving shaft 13, a circular plate 14, a round rod 15, a second belt 16, a vertical rod 17, a first pressing plate 18, a water outlet 181, a cavity 182, a water through hose 183, a second pressing plate 19, a vehicle body connecting plate 20 and a rotating rod 21, wherein the fixed top plate 2 is arranged above the installation frame 1, and the upper end face of the fixed top plate 2 is fixedly connected with the connecting, a fan cylinder 5 is vertically arranged on the fixed top plate 2, the top end and the bottom end of the fan cylinder 5 are both of an open structure, a motor 6 arranged above the fixed top plate 2 is arranged on the side of the fan cylinder 5, the motor 6 is connected with a rotating shaft 7 which is vertically distributed, the rotating shaft 7 is rotatably arranged on the fixed top plate 2, a hollow shaft 9 which is horizontally distributed is rotatably arranged on the installation frame 1, a compression roller body 8 which is positioned between the installation frames 1 is fixedly arranged on the hollow shaft 9, the inner wall of the installation frame 1 is connected with a second driving gear 11 through a gear shaft, the gear shaft in the third driving gear 12 is connected with the hollow shaft 9 through a first belt 10, the side of the second driving gear 11 which is vertically distributed is meshed with the third driving gear 12, a driving shaft 13 which is horizontally distributed is arranged between the installation frames 1, and the driving shaft 13 is, and be connected with round bar 15 between 2 plectanes 14 that parallel, be connected through second belt 16 between 2 drive shafts 13 simultaneously, round bar 15 and montant 17's top is rotated and is connected, and 2 group's montant 17's bottom is installed first clamp plate 18 and second clamp plate 19 respectively, and first clamp plate 18 and second clamp plate 19 are located 2 drive shaft 13's below respectively, and vehicle body connecting plate 20 is connected through bull stick 21 and the inner wall of installing frame 1.

The lower terminal surface of the tail end of roof 2 is connected with the output of telescopic link 201, the perpendicular fixed mounting of telescopic link 201 is at the left end of installation frame 1, and telescopic link 201 is hydraulic stem or electric putter, because the compactor is whole before reaching on the road surface that needs the compaction, need go one section distance on normal road surface, so can make telescopic link 201 whole return and contract, with this reduce the pressure that compression roller body 8 caused to normal road surface, when arriving on appointed road surface, can make telescopic link 201 move and stretch out, roof 2 and connecting rod 4 are in the state of immobilization, corresponding installation frame 1 just can be through self around bull stick 21 pivoted mode, increase compression roller body 8 pressure that causes to the road surface, it is corresponding, different road surface compaction demands, adjust different telescopic link 201 extension scope can.

The rotating shaft 7 and the fan blade shaft 72 are both provided with a first driving gear 71, the fan blade shaft 72 is vertically rotatably arranged inside the fan cylinder 5, the diameter of the first driving gear 71 on the fan blade shaft 72 is smaller than that of the first driving gear 71 on the rotating shaft 7, the bottom end of the rotating shaft 7 and the right end of the brush shaft 74 are both provided with a bevel gear 73, the rotating shaft 7 can be driven to rotate by the operation of the motor 6, and the fan blade shaft 72 can drive the fan blades at the bottom end of the fan cylinder 5 to rotate at a high speed under the meshing transmission action of the two first driving gears 71, so that the bottom end of the fan cylinder 5 can generate high-speed airflow.

The brush shaft 74 horizontally rotates and is installed on the lower end face of the fixed top plate 2, the cleaning brush 75 is installed on the brush shaft 74, the cleaning brush 75 and the fan blade shaft 72 are all located above the press roller body 8, under the meshing transmission action of the two bevel gears 73, the brush shaft 74 can rotate along with the rotating shaft 7, and the cleaning brush 75 on the brush shaft 74 is driven to clean dust on the surface of the press roller body 8 through a rotating mode and air flow generated by matching with the fan barrel 5.

The hollow structure in the hollow shaft 9 is communicated with the containing cavity 92 through the channel 91, the channel 91 and the containing cavity 92 are arranged in the compression roller body 8 at equal angles, the end of the hollow shaft 9 is rotatably connected with a communicating pipe 93 communicated with the hollow structure, after the hollow shaft reaches a specified road surface, cold water can be introduced into the hollow shaft 9 through the communicating pipe 93, the cold water continuously passes through the hollow shaft 9 and the channel 91 to reach the containing cavity 92, when the cold water in the containing cavity 92 reaches a certain amount, a valve on the communicating pipe 93 is closed, and therefore the purpose of assisting in increasing the weight of the compression roller body 8 is achieved, similarly, when the compression roller body 8 walks on a high-temperature asphalt waiting compacted road surface, the cold water can absorb heat on the road surface and the compression roller body 8, and is matched with air flow generated at the fan barrel 5 to further dissipate the heat.

The third driving gear 12 is fixedly installed on the horizontal cylinder 121, a square opening at the end of the horizontal cylinder 121 is matched with a square structure at the end of the driving shaft 13, one end of the horizontal cylinder 121 is connected with the adjusting rod 122 through a bearing, the adjusting rod 122 is slidably connected on the installation frame 1, the end of the adjusting rod 122 is fixedly connected with a handle rod 123 perpendicular to the end of the adjusting rod 122, a threaded rod 124 is slidably connected to the side of the handle rod 123, the threaded rod 124 is fixedly installed on the outer surface of the installation frame 1, a limit nut 125 in threaded installation on the threaded rod 124 is arranged on the side of the handle rod 123, when the first pressing plate 18 and the second pressing plate 19 are needed, the limit nut 125 can be firstly screwed out, the adjusting rod 122 is pulled outwards through the handle rod 123, at the moment, the handle rod 123 can correspondingly slide along the threaded rod 124, the third driving gear 12 correspondingly follows the horizontal cylinder, The horizontal sliding of the transverse cylinder 121 does not affect the rotation transmission relationship between the driving shaft 13 and the transverse cylinder 121 because the connecting part of the driving shaft 13 and the transverse cylinder 121 is a square sliding connection structure, and the horizontal sliding of the transverse cylinder 121 can be realized.

The first pressure plate 18 and the second pressure plate 19 have the same internal structure, and the moving directions of the two pressure plates are opposite, and the lower end surface of the first pressing plate 18 is provided with a water outlet hole 181, the water outlet hole 181 is communicated with a cavity 182 arranged inside the first pressing plate 18, and the cavity 182 communicates with the water passage hose 183 mounted on the first presser plate 18, when the driving shaft 13 connected to the lateral cylinder 121 is rotated, the other drive shaft 13 is also rotated synchronously by the pulley-mounted second belt 16, so that the first pressure plate 18 and the second pressure plate 19 are driven by the circular plate 14, the circular rod 15 and the vertical rod 17 to be alternatively hammered on the road surface, thereby realizing the purpose of impacting and compacting the road surface, adding water into the cavity 182 from the water hose 183, facilitating the impact and compaction, can carry out the watering operation to the road surface through the apopore 181 of having installed the filter screen of clamp plate lower extreme face.

The working principle is as follows: as shown in fig. 1-3, the structure can be integrally installed on the machine, the vehicle body connecting plate 20 is installed on the machine vehicle body through conventional components such as bolts, and then the fixed top plate 2 and the connecting rod 4 are fixed on the vehicle body machine through welding, so as to normally use the compression roller structure, since the whole compactor needs to travel a certain distance on a normal road surface before reaching the road surface to be compacted, the telescopic rod 201 can be integrally retracted, so as to reduce the pressure of the compression roller body 8 on the normal road surface, when reaching the specified road surface, the telescopic rod 201 can be extended, the fixed top plate 2 and the connecting rod 4 are in a fixed state, the corresponding installation frame 1 can increase the pressure of the compression roller body 8 on the road surface through rotating around the rotating rod 21, and accordingly, different road surface compaction requirements are met, the extension range of different telescopic rods 201 can be adjusted, the operation of the motor 6 can drive the rotating shaft 7 to rotate, under the meshing transmission action of the two first driving gears 71, the fan blade shaft 72 can drive the fan blades at the bottom end of the fan barrel 5 to rotate at a high speed, so that the bottom end of the fan barrel 5 can generate high-speed airflow, under the meshing transmission action of the two conical gears 73, the brush shaft 74 can rotate along with the rotating shaft 7, and the cleaning brush 75 on the brush shaft 74 is driven to clean dust on the surface of the compression roller body 8 in a rotating mode in cooperation with the airflow generated at the fan barrel 5;

as shown in fig. 1 and 4, after reaching a specified road surface, cold water can be introduced into the hollow shaft 9 through the communicating pipe 93, the cold water continuously passes through the hollow shaft 9 and the channel 91 to reach the accommodating chamber 92, and when the cold water in the accommodating chamber 92 reaches a certain amount, the valve on the communicating pipe 93 is closed, so that the purpose of assisting in increasing the weight of the roller body 8 is achieved, and similarly, when the roller body 8 travels on a high-temperature asphalt road surface to be compacted, the cold water can also absorb heat on the road surface and the roller body 8, and the heat is further dissipated by matching with air flow generated at the fan drum 5;

as shown in fig. 1 and 5-8, when the first pressing plate 18 and the second pressing plate 19 are needed to be used, the limiting nut 125 can be firstly screwed out, the adjusting rod 122 is pulled outwards through the handle rod 123, at the moment, the handle rod 123 can correspondingly slide along the threaded rod 124, the third driving gear 12 can correspondingly follow the transverse cylinder 121 and the adjusting rod 122 and move towards the direction close to the mounting frame 1 until the third driving gear 12 and the second driving gear 11 are in a completely meshed state, the limiting nut 125 can be remounted on the threaded rod 124, the positions of the handle rod 123 and the third driving gear 12 are fixed, when the press roller body 8 walks on the road surface, the hollow shaft 9 can follow synchronous rotation, under the driving of the first belt 10 provided with the belt pulley, the second driving gear 11 can rotate along with the hollow shaft 9, and under the meshing transmission action of the second driving gear 11 and the third driving gear 12, The horizontal cylinder 121 and the driving shaft 13 are driven to rotate together, because the joint of the driving shaft 13 and the horizontal cylinder 121 is a square sliding connection structure, the horizontal sliding of the horizontal cylinder 121 does not affect the rotation transmission relationship between the driving shaft 13 and the horizontal cylinder 121, when the driving shaft 13 connected with the horizontal cylinder 121 rotates, the other driving shaft 13 can also synchronously rotate under the driving of the second belt 16 provided with a belt pulley, so that the first pressing plate 18 and the second pressing plate 19 can be alternatively hammered on the road surface under the driving of the circular plate 14, the circular rod 15 and the vertical rod 17, thereby achieving the purpose of impact compaction on the road surface, water can be added into the cavity 182 from the water hose 183, and the water spraying operation can be carried out on the road surface through the water outlet 181 provided with the filter screen and arranged on the lower end surface of the pressing plate while the impact compaction is carried out.

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. A compression roller structure for a road compactor, comprising a mounting frame (1), a connecting rod (4), a first belt (10), a second belt (16) and a vehicle body connecting plate (20), characterized in that: the upper side of the installation frame (1) is provided with a fixed top plate (2), the upper end face of the fixed top plate (2) is fixedly connected with a connecting rod (4) through a reinforcing rod (3), a fan cylinder (5) is vertically installed on the fixed top plate (2), the top end and the bottom end of the fan cylinder (5) are both of an open structure, a motor (6) installed above the fixed top plate (2) is arranged on the side of the fan cylinder (5), the motor (6) is connected with a rotating shaft (7) which is vertically distributed, the rotating shaft (7) is rotatably installed on the fixed top plate (2), a horizontally distributed hollow shaft (9) is rotatably installed on the installation frame (1), a compression roller body (8) located between the installation frame (1) is fixedly installed on the hollow shaft (9), and the inner wall of the installation frame (1) is connected with a second driving gear (11) through a gear shaft, and the gear shaft in the third driving gear (12) is connected with the hollow shaft (9) through a first belt (10), and the side of the second driving gear (11) which is vertically distributed is engaged with a third driving gear (12), a driving shaft (13) which is horizontally distributed is arranged between the mounting frames (1), the driving shaft (13) is connected with a circular plate (14), and round rods (15) are connected between the 2 parallel round plates (14), meanwhile, the 2 driving shafts (13) are connected through a second belt (16), the round rods (15) are rotatably connected with the top ends of the vertical rods (17), and the bottom ends of the 2 groups of vertical rods (17) are respectively provided with a first pressing plate (18) and a second pressing plate (19), and the first pressure plate (18) and the second pressure plate (19) are respectively positioned below the 2 driving shafts (13), the vehicle body connecting plate (20) is connected with the inner wall of the mounting frame (1) through a rotating rod (21).

2. A roller construction for a road compactor according to claim 1 wherein: the lower end face of the tail end of the fixed top plate (2) is connected with the output end of the telescopic rod (201), the telescopic rod (201) is vertically and fixedly installed at the left end of the installation frame (1), and the telescopic rod (201) is a hydraulic rod or an electric push rod.

3. A roller construction for a road compactor according to claim 1 wherein: all install first drive gear (71) on pivot (7) and flabellum axle (72), flabellum axle (72) vertical rotation installs in the inside of fan section of thick bamboo (5), and first drive gear (71) diameter on flabellum axle (72) is less than the diameter of first drive gear (71) on pivot (7), and conical gear (73) are all installed to the bottom of pivot (7) and the right-hand member of brush axle (74).

4. A roller construction for a road compactor according to claim 3 wherein: the brush shaft (74) is horizontally and rotatably arranged on the lower end face of the fixed top plate (2), the brush shaft (74) is provided with a cleaning brush (75), and the brush shaft (74), the cleaning brush (75) and the fan blade shaft (72) are all positioned above the press roller body (8).

5. A roller construction for a road compactor according to claim 1 wherein: the hollow structure in the hollow shaft (9) is communicated with the containing cavity (92) through a channel (91), the channel (91) and the containing cavity (92) are arranged in the compression roller body (8) at equal angles, and the end of the hollow shaft (9) is rotatably connected with a communicating pipe (93) communicated with the hollow structure.

6. A roller construction for a road compactor according to claim 1 wherein: the third driving gear (12) is fixedly arranged on the transverse cylinder (121), a square opening at the end of the transverse cylinder (121) is matched with a square structure at the end of the driving shaft (13), and one end of the transverse cylinder (121) is connected with the adjusting rod (122) through a bearing.

7. The roller structure of claim 6, wherein: adjust pole (122) sliding connection on installation frame (1), the end department fixedly connected with of adjusting pole (122) rather than looks vertically handle pole (123), and the avris sliding connection of handle pole (123) has threaded rod (124), threaded rod (124) fixed mounting is in the surface of installation frame (1) to the avris of handle pole (123) is provided with stop nut (125) of threaded mounting on threaded rod (124).

8. A roller construction for a road compactor according to claim 1 wherein: the internal structure of first clamp plate (18) and second clamp plate (19) is the same, and the motion direction of both is opposite, and apopore (181) have been seted up to the lower terminal surface of first clamp plate (18), and apopore (181) are linked together with cavity (182) seted up in first clamp plate (18) inside to cavity (182) are linked together, and are linked together with water hose (183) of installing on first clamp plate (18).