阅读说明：本技术 一种道路施工用压路机及其使用方法 (Road roller for road construction and use method thereof ) 是由 逄焕华 代云峰 于 2021-08-30 设计创作，主要内容包括：本申请涉及一种道路施工用压路机及其使用方法,属于道路施工设备的领域,其包括压路机本体,压路机本体上转动连接有钢轮,钢轮竖向滑移连接于压路机本体上,压路机本体上设置有驱动钢轮竖向运动的举升机构；压路机本体靠近钢轮的一侧设置有包覆机构；所述包覆机构包括可拆卸连接于钢轮外的橡胶垫；所述举升机构包括固设于压路机本体上的举升液压缸,举升液压缸的缸体固设于支架上,举升液压缸的活塞杆固设有定位板,定位板上连接有拉绳,拉绳远离定位板的一端与钢轮固定。本申请具有减小钢轮对完好路面的损坏的效果。(The application relates to a road roller for road construction and a use method thereof, belonging to the field of road construction equipment and comprising a road roller body, wherein a steel wheel is rotatably connected to the road roller body, the steel wheel is vertically connected to the road roller body in a sliding manner, and a lifting mechanism for driving the steel wheel to vertically move is arranged on the road roller body; a coating mechanism is arranged on one side of the road roller body close to the steel wheel; the cladding mechanism comprises a rubber pad detachably connected outside the steel wheel; the lifting mechanism comprises a lifting hydraulic cylinder fixedly arranged on the road roller body, the cylinder body of the lifting hydraulic cylinder is fixedly arranged on the support, a piston rod of the lifting hydraulic cylinder is fixedly provided with a positioning plate, a pull rope is connected onto the positioning plate, and one end of the pull rope, far away from the positioning plate, is fixed with the steel wheel. This application has the effect that reduces the damage of steel wheel to intact road surface.)

1. The utility model provides a road roller for road construction, includes road roller body (1), rotates on road roller body (1) and is connected with steel wheel (12), and steel wheel (12) vertical sliding connects on road roller body (1), its characterized in that:

the road roller body (1) is provided with a lifting mechanism (2) for driving a steel wheel (12) to move vertically;

a coating mechanism (3) is arranged on one side of the road roller body (1) close to the steel wheel (12);

the cladding mechanism (3) comprises a rubber pad (31) detachably connected to the outside of the steel wheel (12);

the lifting mechanism (2) comprises a lifting hydraulic cylinder (21) fixedly arranged on the road roller body (1), the cylinder body of the lifting hydraulic cylinder (21) is fixedly arranged on the support (11), a positioning plate (22) is fixedly arranged on a piston rod of the lifting hydraulic cylinder (21), a pull rope (23) is connected onto the positioning plate (22), and one end, far away from the positioning plate (22), of the pull rope (23) is fixed with the steel wheel (12).

2. The roller for road construction according to claim 1, characterized in that: the road roller is characterized in that a sliding groove (111) is vertically formed in the road roller body (1), a sliding block (121) is connected to the sliding groove (111) in a sliding mode, two ends of a rolling shaft of a steel wheel (12) are respectively connected into the sliding block (121) in a rotating mode, a first connecting rod (24) is fixedly arranged at the top of the sliding block (121), a movable pulley (241) is connected onto the first connecting rod (24) in a rotating mode, a first fixed pulley (25) is connected to a position, close to the top, of a support (11) in a rotating mode, a second connecting rod (27) is arranged on the first fixed pulley (25), a second fixed pulley (26) is connected to the bottom of the second connecting rod (27) in a rotating mode, the second fixed pulley (26) is located between the first fixed pulley (25) and the movable pulley (241), one end, far away from a positioning plate (22), of a pull rope (23) is fixedly arranged on the first connecting rod (24), the pull rope (23) sequentially bypasses the second fixed pulley (26) and then bypasses the movable pulley (241), and the pull rope (23) which finally bypasses the movable pulley (241) is fixed with the positioning plate (22).

3. The roller for road construction according to claim 1, characterized in that: the mutual butt one end of rubber pad (31) has set firmly connecting block (312), slot (313) have been seted up on connecting block (312), it has bolt (314) to peg graft in slot (313), protruding edge (315) have been set firmly to the both sides that rubber pad (31) perpendicular to magnet (311) set up, T type inserting groove (316) have been seted up to the tip position department that protruding edge (315) are located rubber pad (31), T type inserting block (317) have been set firmly at the both ends of bolt (314), T type inserting block (317) are pegged graft respectively in T type inserting groove (316) of protruding edge (315).

4. The roller for road construction according to claim 1, characterized in that: a plurality of magnets (311) are uniformly and fixedly arranged in the rubber pad (31), and the magnets (311) are embedded into the inner wall of the rubber pad (31).

5. The roller for road construction according to claim 1, characterized in that: the road roller is characterized in that a storage box (32) is fixedly arranged on the road roller body (1), a winding shaft (33) is rotatably connected in the storage box (32), and a material opening (321) is formed in the bottom of the storage box (32).

6. The roller for road construction according to claim 1, characterized in that: the bottom that road roller body (1) is located steel wheel (12) articulates there is a bracing piece (13), and bracing piece (13) are the setting of L type, and the middle part of bracing piece (13) articulates there is a locating lever (131), forms triangle-shaped between locating lever (131), bracing piece (13) and road roller body (1), is provided with the setting element of fixing locating lever (131) on road roller body (1).

7. The roller for road construction according to claim 6, characterized in that: the locating piece is including setting firmly locating piece (132) in road roller body (1) bottom, has seted up the internal thread in locating piece (132), has seted up screw hole (133) on locating piece (131), and threaded connection has the bolt on locating piece (132).

8. The roller for road construction according to claim 1, characterized in that: the lateral wall of road roller body (1) has set firmly support pneumatic cylinder (14), and the cylinder body of support pneumatic cylinder (14) sets firmly in road roller body (1) lateral wall, and the piston rod of support pneumatic cylinder (14) is down and the tip has set firmly universal wheel (141).

9. A use method of the road roller for road construction according to any one of claims 1-8, characterized by comprising the following steps: the method comprises the following steps:

s1, during construction: the steel wheel (12) is abutted against the ground, and the gravity of the steel wheel (12) compacts the road surface;

s2, in the transferring process: a rubber pad (31) is sleeved outside the steel wheel (12), and the rubber pad (31) is abutted against the ground;

a1, lifting steel wheel (12): a piston rod of the lifting hydraulic cylinder (21) extends to push a pull rope (23) on the positioning plate (22) to move downwards, and the pull rope (23) drives a movable pulley (241) and a sliding block (121) to move upwards so as to drive a steel wheel (12) to move upwards and separate the steel wheel (12) from the ground;

a2, mounting support bar (13): a piston rod of the supporting hydraulic cylinder (14) extends to push the universal wheel (141) to move downwards to abut against the ground, the support is supported, the supporting rod (13) is rotated until the bottom of the supporting rod (13) abuts against the ground, and then the positioning rod (131) and the positioning block (132) are fixed through bolts;

a3, mounting rubber pad (31): the rubber pad (31) is drawn out from a material port (321) of the storage box (32) to enable the rubber pad (31) to be coated outside the steel wheel (12), and then the rubber pad (31) is fixed outside the steel wheel (12) through a bolt (314);

a4, lowering the steel wheel (12) with the rubber pad (31): the piston rod of the lifting hydraulic cylinder (21) is retracted, the positioning plate (22) moves upwards, and the sliding block (121) drives the steel wheel (12) to move downwards to abut against the ground.

Technical Field

The application relates to the field of road construction equipment, in particular to a road roller for road construction and a using method thereof.

Background

The road roller is an operation machine which repeatedly loads the compacted material by using the self weight, vibration or impact of the machine, overcomes the cohesive force and the internal friction force between the materials, removes the gas and water in the material, forces the material particles to generate displacement and wedge with each other, increases the compactness, and achieves certain compactness and flatness, and is widely used for compaction operation of basic construction projects such as highways, railway roadbeds, airport runways, dams, building foundations and the like.

When the road roller shifts the transportation by oneself, because the steel wheel of road roller is heavier, light then several tons, heavy then tens tons leads to road roller self quality great, and the road roller is at the in-process of operation, steel wheel and ground butt lead to the steel wheel can lead to the fact the destruction to the good road surface of completion.

Disclosure of Invention

In order to reduce the damage of steel wheel to the intact road surface, this application provides a road roller for road construction.

The application provides a road roller for road construction adopts following technical scheme:

a road roller for road construction comprises a road roller body, wherein a steel wheel is rotatably connected to the road roller body, the steel wheel is vertically connected to the road roller body in a sliding manner, and a lifting mechanism for driving the steel wheel to vertically move is arranged on the road roller body; a coating mechanism is arranged on one side of the road roller body close to the steel wheel; the cladding mechanism comprises a rubber pad detachably connected outside the steel wheel; the lifting mechanism comprises a lifting hydraulic cylinder fixedly arranged on the road roller body, the cylinder body of the lifting hydraulic cylinder is fixedly arranged on the support, a piston rod of the lifting hydraulic cylinder is fixedly provided with a positioning plate, a pull rope is connected onto the positioning plate, and one end of the pull rope, far away from the positioning plate, is fixed with the steel wheel.

Through adopting above-mentioned technical scheme, when the steel wheel is not used for the ground of impressing, can be equipped with the rubber pad at the steel wheel overcoat, lift the piston rod extension of pneumatic cylinder, drive steel wheel vertical motion through the stay cord and to separating with ground, be convenient for with the rubber pad cladding outside the steel wheel, the cladding of rubber gasket is outside the steel wheel for reduce the high-speed vibration and the impact that the rail produced when passing through the road surface, protect the intact road surface not damaged by the steel wheel.

Optionally, the vertical spout of having seted up of road roller body, the cunning is shifted in the spout and is connected with the slider, the roller bearing both ends of steel wheel rotate respectively and connect in the slider, the top of slider has set firmly connecting rod one, it is connected with a movable pulley to rotate on the connecting rod one, the position that the support is close to the top rotates and is connected with fixed pulley one, be provided with connecting rod two on the fixed pulley one, the bottom of connecting rod two rotates and is connected with fixed pulley two, fixed pulley two is located between fixed pulley one and the movable pulley, the one end that the locating plate was kept away from to the stay cord sets firmly on connecting rod one, the stay cord is walked around the movable pulley after walking around fixed pulley two in proper order, the stay cord that walks around the movable pulley at last is walked around from the top of fixed pulley one again and is fixed with the locating plate.

By adopting the technical scheme, when the rubber pad is sleeved on the steel wheel, the piston rod of the lifting hydraulic cylinder extends to push the positioning plate to move downwards so as to drive the pull rope to move downwards, and the pull rope drives the movable pulley and the sliding block to slide upwards so as to drive the steel wheel to move upwards to be separated from the ground so as to be sleeved with the rubber pad; according to the effect of movable pulley, fixed pulley one and fixed pulley two, be connected with four sections ropes altogether between movable pulley and fixed pulley one and the fixed pulley two, consequently, the pulling force of applying the steel wheel only needs the fourth of steel wheel weight to can reach laborsaving effect through the cooperation of movable pulley, fixed pulley one and fixed pulley two, hydraulic lifting cylinder can easily lift the steel wheel.

Optionally, the one end of the mutual butt of rubber pad has set firmly the connecting block, has seted up the slot on the connecting block, and it has the bolt to peg graft in the slot, and the both sides that the rubber pad perpendicular to magnet set up have set firmly protruding edge, and protruding edge is located the tip position department of rubber pad and has seted up T type inserting groove, and the both ends of bolt have set firmly T type grafting piece, and T type grafting piece is pegged graft respectively in the T type inserting groove on protruding edge.

Through adopting above-mentioned technical scheme, T type grafting piece is pegged graft respectively in the T type inserting groove on protruding edge, can be through the end fixing of bolt with the rubber pad, prevents that the rubber pad from following steel wheel pivoted in-process and steel wheel separation, through the fixed dismantlement and the installation of the rubber pad of being convenient for of bolt.

Optionally, a plurality of magnets are uniformly and fixedly arranged in the rubber pad, and the magnets are embedded into the inner wall of the rubber pad.

Through adopting above-mentioned technical scheme, magnet is used for adsorbing the rubber pad in the steel wheel lateral wall, makes the rubber pad be connected more stably with the steel wheel.

Optionally, a storage box is fixedly arranged on the road roller body, a winding shaft is rotatably connected in the storage box, and a material opening is formed in the bottom of the storage box.

Through adopting above-mentioned technical scheme, the material mouth is convenient for take out the rubber pad from the receiver, also is convenient for extend the side of rubber pad to in the receiver to the ejection of compact and the accomodating of rubber pad.

Optionally, the bottom that the road roller body is located the steel wheel articulates there is a bracing piece, and the bracing piece is the setting of L type, and the middle part of bracing piece articulates there is a locating lever, forms triangle-shaped between locating lever, bracing piece and the road roller body, is provided with the setting element of fixing the locating lever on the road roller body.

By adopting the technical scheme, the stability is achieved according to the triangle, the stability of the supporting rod can be increased by the positioning rod, the supporting effect on the road roller body can be increased by the supporting rod which is abutted to the ground, and the gravity of the steel wheel is reduced to crush the road roller body.

Optionally, the locating piece includes the locating piece that sets firmly in road roller body bottom, has seted up the internal thread in the locating piece, has seted up the screw hole on the locating piece, and threaded connection has the bolt on the locating piece.

Through adopting above-mentioned technical scheme, bolt and locating lever threaded connection can be fixed locating lever and road roller body, and then fixed with the bracing piece, and the bracing piece butt can play the supporting role to the road roller body in ground, reduces the gravity of steel wheel and crushes the road roller body.

Optionally, a supporting hydraulic cylinder is fixedly arranged on the side wall of the road roller body, a cylinder body of the supporting hydraulic cylinder is fixedly arranged on the side wall of the road roller body, a piston rod of the supporting hydraulic cylinder faces downwards, and a universal wheel is fixedly arranged at the end of the piston rod.

Through adopting above-mentioned technical scheme, after the piston rod extension of supporting the pneumatic cylinder, promote the universal wheel downstream to butt in ground, can prop up the one end of road roller body, the bracing piece of being convenient for overturn to bracing piece butt in ground, the accomodating of the support frame of also being convenient for.

In order to reduce damage to a complete road surface caused by a steel wheel, the application provides a use method of the road roller for road construction.

The application provides a use method of a road roller for road construction, which adopts the following technical scheme:

a use method of a road roller for road construction comprises the following steps:

s1, during construction: the steel wheel is abutted against the ground, and the road surface is compacted by the gravity of the steel wheel;

s2, in the transferring process: a rubber pad is sleeved outside the steel wheel and is abutted against the ground;

a1, lifting steel wheels: a piston rod of the lifting hydraulic cylinder extends to push a pull rope on the positioning plate to move downwards, and the pull rope drives a movable pulley and a sliding block to move upwards so as to drive a steel wheel to move upwards and separate the steel wheel from the ground;

a2, mounting a support rod: a piston rod of the supporting hydraulic cylinder extends to push the universal wheel to move downwards to abut against the ground, the support is supported, the supporting rod is rotated until the bottom of the supporting rod abuts against the ground, and then the positioning rod and the positioning block are fixed through a bolt;

a3, installing a rubber pad: the rubber pad is drawn out from a material port of the storage box to be coated outside the steel wheel, and then the rubber pad is fixed outside the steel wheel through the bolt;

a4, lowering a steel wheel with a rubber pad: the piston rod of the lifting hydraulic cylinder is retracted, the positioning plate moves upwards, and the sliding block drives the steel wheel to move downwards to abut against the ground.

By adopting the technical scheme, when the steel wheel is not used, the lifting hydraulic cylinder is controlled to drive the pull rope to lift the steel wheel, then the rubber pad is fixed outside the steel wheel, the steel wheel is placed back to the ground, the steel wheel with the rubber pad can reduce high-speed vibration and impact generated when the steel rail passes through the road surface, and the finished road surface is protected from being damaged by the steel wheel.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the rubber pad is detachably connected outside the steel wheel, the lifting hydraulic cylinder is arranged on the road roller body, the cylinder body of the lifting hydraulic cylinder is fixedly arranged on the support, the piston rod of the lifting hydraulic cylinder is fixedly provided with the positioning plate, the pulling rope is connected onto the positioning plate, one end of the pulling rope, far away from the positioning plate, is fixed with the steel wheel, when the steel wheel is not used for pressing the ground, the rubber pad can be sleeved outside the steel wheel, the piston rod of the lifting hydraulic cylinder extends, the steel wheel is driven to vertically move to be separated from the ground through the pulling rope, the rubber pad is conveniently coated outside the steel wheel, and the rubber pad is coated outside the steel wheel and used for reducing high-speed vibration and impact generated when a steel rail passes through the road and protecting the finished road from being damaged by the steel wheel;

2. a first connecting rod is fixedly arranged at the top of a sliding block, a first movable pulley is rotatably connected to the first connecting rod, a first fixed pulley is rotatably connected to the position, close to the top, of a support, a second connecting rod is arranged on the first fixed pulley, a second fixed pulley is rotatably connected to the bottom of the second connecting rod, the second fixed pulley is positioned between the first fixed pulley and the movable pulley, one end, far away from a positioning plate, of a pull rope is fixedly arranged on the first connecting rod, the pull rope sequentially bypasses the second fixed pulley and then bypasses the movable pulley, and finally the pull rope bypasses the top of the first fixed pulley and is fixed with the positioning plate, four sections of ropes are connected between the first movable pulley and the first fixed pulley and the second fixed pulley together according to the action of the first movable pulley, the first fixed pulley and the second fixed pulley, therefore, the pulling force applied to a steel wheel only needs one fourth of the weight of the steel wheel, and the labor-saving effect can be achieved through the matching of the first movable pulley, the first fixed pulley and the second fixed pulley, the steel wheel can be easily lifted by the lifting hydraulic cylinder.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Fig. 2 is a sectional view of the embodiment.

Fig. 3 is an exploded view of a steel wheel and rubber pad.

Fig. 4 is an enlarged view of a portion a of fig. 3.

Fig. 5 is an exploded view of the steel wheel, bracket and lifting mechanism.

Fig. 6 is a schematic structural view of the stand and the lifting mechanism.

FIG. 7 is a schematic view showing the structure of the support rod and the positioning rod.

Figure 8 is a cross-sectional view of the steel wheel, bracket and lifting mechanism.

Description of reference numerals: 1. a road roller body; 11. a support; 111. a chute; 112. positioning a groove; 113. positioning pins; 12. a steel wheel; 121. a slider; 13. a support bar; 131. positioning a rod; 132. positioning blocks; 133. a threaded hole; 14. a support hydraulic cylinder; 141. a universal wheel; 2. a lifting mechanism; 21. a lifting hydraulic cylinder; 22. positioning a plate; 23. pulling a rope; 24. a first connecting rod; 241. a movable pulley; 25. a first fixed pulley; 26. a second fixed pulley; 27. a second connecting rod; 3. a coating mechanism; 31. a rubber pad; 311. a magnet; 312. connecting blocks; 313. a slot; 314. a bolt; 315. a convex edge; 316. a T-shaped plug groove; 317. a T-shaped plug-in block; 32. a storage box; 321. a material port; 33. and (7) winding the shaft.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses road roller for road construction. Referring to fig. 1 and 2, the road roller for road construction comprises a road roller body 1, wherein two sides of the advancing direction of the road roller body 1 are fixedly provided with a support 11, a steel wheel 12 is connected to the support 11 in a rotating manner, the steel wheel 12 is used for compacting a road surface, the support 11 is provided with a lifting mechanism 2 for driving the steel wheel 12 to move vertically, one side of the road roller body 1, which is close to the steel wheel 12, is provided with a coating mechanism 3, and the coating mechanism 3 comprises a rubber pad 31 for coating the steel wheel 12; when the steel wheel 12 is not needed to be used, the lifting mechanism 2 lifts the steel wheel 12, then the rubber pad 31 on the coating mechanism 3 is coated outside the steel wheel 12, the rubber pad 31 is coated outside the steel wheel 12, and when the road roller body 1 drives the steel wheel 12 to be transported, the rubber pad 31 is abutted to the ground and used for reducing high-speed vibration and impact generated when a steel rail passes through a road surface, so that the finished road surface is protected from being damaged by the steel wheel 12.

Cladding mechanism 3 is including setting firmly receiver 32 on road roller body 1, and the internal rotation of receiver 32 is connected with a rolling axle 33, and the one end of rolling axle 33 extends the receiver 32 outside and has set firmly the handle, and material mouth 321 has been seted up to the bottom of receiver 32, and material mouth 321 is convenient for take out rubber pad 31 from receiver 32, and 1 is also convenient for extend the side of rubber pad 31 to receiver 32 in to the ejection of compact and the accomodation of rubber pad 31.

Referring to fig. 3 and 4, a plurality of magnets 311 are uniformly and fixedly arranged in the rubber pad 31, the magnets 311 are arranged along the axial direction of the steel wheel 12, the magnets 311 are embedded in the inner wall of the rubber pad 31, and the magnets 311 are used for adsorbing the rubber pad 31 to the outer side wall of the steel wheel 12, so that the connection between the rubber pad 31 and the steel wheel 12 is more stable; the one end of the mutual butt joint of rubber pad 31 has set firmly connecting block 312, slot 313 has been seted up on connecting block 312, it has bolt 314 to peg graft in the slot 313, the both sides that rubber pad 31 perpendicular to magnet 311 set firmly protruding edge 315, protruding edge 315 is located the tip position department of rubber pad 31 and has seted up T type inserting groove 316, T type inserting block 317 has been set firmly at the both ends of bolt 314, T type inserting block 317 is pegged graft respectively in the T type inserting groove 316 of protruding edge 315, can be through the end fixing of bolt 314 with rubber pad 31, prevent that rubber pad 31 from separating with steel wheel 12 pivoted in-process.

Referring to fig. 5 and 6, a sliding groove 111 is vertically formed in one opposite side of the bracket 11, a sliding block 121 is connected to the sliding groove 111 in a sliding manner, and two ends of a rolling shaft of the steel wheel 12 are respectively rotatably connected to the sliding block 121. The lifting mechanism 2 comprises a lifting hydraulic cylinder 21 fixedly arranged on the side wall of the support 11, the cylinder body of the lifting hydraulic cylinder 21 is fixedly arranged on the support 11, the piston rod of the lifting hydraulic cylinder 21 is arranged downwards and is fixedly provided with a positioning plate 22, and a pull rope 23 is connected to the positioning plate 22; a first connecting rod 24 is fixedly arranged at the top of the sliding block 121, a movable pulley 241 is rotatably connected to the first connecting rod 24, a first fixed pulley 25 is rotatably connected to a position, close to the top, of the support 11, a second connecting rod 27 is arranged on the first fixed pulley 25, the first fixed pulley 25 is rotatably connected with the second connecting rod 27, a second fixed pulley 26 is rotatably connected to the bottom of the second connecting rod 27, the second fixed pulley 26 is positioned between the first fixed pulley 25 and the movable pulley 241, one end, far away from the positioning plate 22, of the pull rope 23 is fixedly arranged on the first connecting rod 24, the pull rope 23 sequentially bypasses the second fixed pulley 26 and then bypasses the movable pulley 241, and finally, the pull rope 23 bypassing the movable pulley 241 is further bypassed from the top of the first fixed pulley 25 and is fixed with the positioning plate 22; when the rubber pad 31 needs to be sleeved on the steel wheel 12, the piston rod of the lifting hydraulic cylinder 21 extends to push the positioning plate 22 to move downwards, so that the pull rope 23 can be driven to move downwards, the pull rope 23 drives the movable pulley 241 and the sliding block 121 to slide upwards, and the steel wheel 12 can be driven to move upwards to be separated from the ground so as to be sleeved with the rubber pad 31; according to the action of the movable pulley 241, the first fixed pulley 25 and the second fixed pulley 26, four sections of ropes are connected between the movable pulley 241, the first fixed pulley 25 and the second fixed pulley 26, so that the pulling force applied to the steel wheel 12 only needs one fourth of the weight of the steel wheel 12, the labor-saving effect can be achieved through the movable pulley 241, the first fixed pulley 25 and the second fixed pulley 26, and the lifting hydraulic cylinder 21 can lift the steel wheel 12 easily.

Referring to fig. 7 and 8, the positioning groove 112 is formed in the bracket 11, the positioning pin 113 is connected to the positioning groove 112 in a sliding manner, when the piston rod of the hydraulic lifting cylinder 21 is retracted, the slider 121 slides to the bottom of the sliding groove 111, the steel wheel 12 abuts against the ground, the positioning pin 113 is inserted into the positioning groove 112, the latch 314 extends to the top of the slider 121, the slider 121 is positioned, and the steel wheel 12 is prevented from sliding upwards due to the impact force of the ground in the working process.

The bottom of support 11 articulates there is a bracing piece 13, bracing piece 13 is the setting of L type, the middle part of bracing piece 13 articulates there is a locating lever 131, support 11's bottom has set firmly a locating piece 132, the internal thread has been seted up in the locating piece 132, the one end that bracing piece 13 was kept away from to locating lever 131 can be rotated to the butt on locating piece 132, set up threaded hole 133 on the locating lever 131, threaded connection has the bolt on the locating piece 132, bolt and locating lever 131 threaded connection, can be fixed locating lever 131 and support 11, and then it is fixed with bracing piece 13, bracing piece 13 butt in ground, can play the supporting role to support 11, prevent that the gravity of steel wheel 12 from crushing support 11.

A supporting hydraulic cylinder 14 is fixedly arranged on the side wall of the support 11, a cylinder body of the supporting hydraulic cylinder 14 is fixedly arranged on the side wall of the support 11, a piston rod of the supporting hydraulic cylinder 14 is arranged downwards, and a universal wheel 141 is fixedly arranged at the end part of the piston rod of the supporting hydraulic cylinder 14; after the piston rod of supporting hydraulic cylinder 14 extends, promote universal wheel 141 downstream to the butt in ground, can prop up support 11, be convenient for upset bracing piece 13 to bracing piece 13 butt in ground, can also be convenient for accomodating of support frame, universal wheel 141 can also be convenient for the activity of support 11 in the minim.

The implementation principle of the press for road construction in the embodiment of the application is as follows: in the process of not using the road roller, the rubber pads 31 are sleeved outside the steel wheels 12, and the rubber pads 31 are abutted against the ground, so that high-speed vibration and impact generated when the steel rail passes through a road surface are reduced, and the complete road surface is protected from being damaged by the steel wheels 12.

A use method of a road roller for road construction comprises the following steps:

s1, during construction: the steel wheel 12 is abutted against the ground, and the road surface is compacted by the gravity of the steel wheel 12.

S2, in the transferring process: the rubber pads 31 are sleeved outside the steel wheels 12, and the rubber pads 31 are abutted to the ground, so that high-speed vibration and impact generated when the steel rail passes through a road surface are reduced, and the complete road surface is protected from being damaged by the steel wheels 12.

a1, lifting steel wheel 12: the piston rod of the lifting hydraulic cylinder 21 extends to push the pull rope 23 on the positioning plate 22 to move downwards, and the pull rope 23 drives the movable pulley 241 and the slide block 121 to move upwards so as to drive the steel wheel 12 to move upwards, so that the steel wheel 12 is separated from the ground;

a2, mounting the supporting rod 13: the piston rod of the supporting hydraulic cylinder 14 extends to push the universal wheel 141 to move downwards to abut against the ground, the supporting is supported, the supporting rod 13 is rotated to abut against the bottom of the supporting rod 13 on the ground, then the positioning rod 131 and the positioning block 132 are fixed through the bolt, and the supporting rod 13 can share the gravity of the support 11.

a3, mounting rubber pad 31: the rubber pad 31 is drawn out from the material port 321 of the storage box 32, so that the rubber pad 31 is coated outside the steel wheel 12, and the rubber pad 31 is fixed outside the steel wheel 12 through the bolt 314;

a4, lowering the steel wheel 12 with the rubber pad 31: the piston rod of the lifting hydraulic cylinder 21 is retracted, the positioning plate 22 moves upwards, the sliding block 121 drives the steel wheel 12 to move downwards to abut against the ground, the steel wheel 12 with the rubber pad 31 can reduce high-speed vibration and impact generated when a steel rail passes through a pavement, and the complete pavement is protected from being damaged by the steel wheel 12.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.