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CN-224199757-U - Road surface sand and stone laying device

CN224199757UCN 224199757 UCN224199757 UCN 224199757UCN-224199757-U

Abstract

The utility model belongs to the technical field of highway asphalt pavement maintenance, and particularly relates to a pavement sand and stone paving device which comprises a traveling device and a sand and stone placing box, wherein the sand and stone placing box is arranged on the traveling device, a discharging opening is formed in the lower side of the sand and stone placing box, an adjusting plate is movably arranged on at least one side of the discharging opening, the traveling device comprises two traveling rollers which are arranged at intervals, the two traveling rollers are rotatably arranged on the lower side of the sand and stone placing box, the traveling rollers are arranged in a hollow mode, and at least one traveling roller is connected with a rotation driving device. When the road pavement cleaning device is used, the device is pushed or pulled, sand and stone paving is not needed manually, labor force is reduced, road paving work efficiency is improved, the walking roller is hollow, the gravity of the device can be dispersed in the hollow setting, the contact area between the walking roller and the ground is large, the pavement cannot be indented, asphalt is prevented from being sticky, and cleaning is difficult.

Inventors

  • GAO WEI

Assignees

  • 淄博恒信路面材料有限公司
  • 陕西长达征途交通科技有限公司

Dates

Publication Date
20260505
Application Date
20250530

Claims (9)

  1. 1. The road surface sand and stone paving device is characterized by comprising a traveling device and a sand and stone placing box (1), wherein the sand and stone placing box (1) is arranged on the traveling device, a discharging opening is formed in the lower side of the sand and stone placing box (1), an adjusting plate (13) is movably arranged on at least one side of the discharging opening, the traveling device comprises two traveling rollers (4) which are arranged at intervals, the two traveling rollers (4) are both rotatably arranged on the lower side of the sand and stone placing box (1), the traveling rollers (4) are hollow, and at least one traveling roller (4) is connected with a rotation driving device.
  2. 2. The road surface sand and stone paving device according to claim 1, wherein the adjusting plate (13) is provided with a plurality of strip holes (21), the sand and stone placing box (1) at one side of the feed opening is correspondingly provided with a plurality of bolt holes, and the fixing bolts (17) penetrate through the strip holes (21) and the bolt holes and are fixed through nuts.
  3. 3. The road surface sand and stone paving device according to claim 1, wherein a paving conveying belt (6) is arranged below a feed opening of the sand and stone placing box (1), two ends of the paving conveying belt (6) are respectively provided with a conveying roller shaft (7) in a winding mode, two supporting side plates (2) are arranged on two sides of the sand and stone placing box (1), two ends of the two conveying roller shafts (7) are rotatably connected to the two supporting side plates (2), and one conveying roller shaft (7) is connected with a rotation driving device.
  4. 4. A road surface sand and stone paving device according to claim 3, wherein the rotary driving device is a motor (18), the motor (18) is fixedly arranged on the side of the sand and stone placing box (1), a synchronizing wheel (8) is respectively arranged at the output end of the motor (18) and one end of a conveying roller shaft (7), and the two synchronizing wheels (8) are connected through a synchronizing chain or a synchronizing belt.
  5. 5. The road surface sand and stone paving device according to claim 4, wherein the middle part of the traveling roller (4) is provided with a traveling rotating shaft (5), two ends of the traveling rotating shaft (5) are rotatably connected to the lower side of the supporting side plate (2), one end of the traveling rotating shaft (5) of at least one traveling roller (4) is also provided with a synchronizing wheel (8), and a synchronizing chain or a synchronizing belt simultaneously bypasses an output shaft of the motor (18), the conveying roller shaft (7) and the synchronizing wheel (8) at one end of the traveling rotating shaft (5).
  6. 6. A road surface sand and stone paving device according to claim 3, characterized in that a stirring shaft (14) is arranged in the sand and stone placing box (1), two ends of the stirring shaft (14) are respectively rotatably arranged on the two supporting side plates (2), and one end of the stirring shaft (14) is connected with any conveying roller shaft (7) through a synchronous chain or a synchronous belt.
  7. 7. A road surface sand and stone paving device according to claim 3, wherein the two ends of the conveying roller shaft (7) are rotatably mounted on the supporting side plates (2) through bearing blocks (10), and the bearing blocks (10) at the two ends of the other conveying roller shaft (7) are adjustably mounted on the two supporting side plates (2) through tensioning assemblies.
  8. 8. The road surface sand and stone paving device according to claim 7, wherein the support side plate (2) is provided with an adjustable long hole, bearing blocks (10) at two ends of the other conveying roller shaft (7) are fixedly arranged in the adjustable long hole through bolts, the tensioning assembly comprises a tensioning block (11), a tensioning screw rod (12) and a fixing nut (22), the tensioning block (11) is fixedly arranged on the support side plate (2), the tensioning screw rod (12) penetrates through the tensioning block (11) and is fixedly connected to the bearing blocks (10), the fixing nut (22) is in threaded connection with the tensioning screw rod (12), and the fixing nut (22) is arranged on one side, far away from the bearing blocks (10), of the tensioning block (11).
  9. 9. A road surface sand and stone paving apparatus according to claim 1, characterized in that a push handle (3) is fixedly provided at the front end or the rear end of the sand and stone placing box (1).

Description

Road surface sand and stone laying device Technical Field The utility model belongs to the technical field of highway asphalt pavement maintenance, and particularly relates to a pavement sand and stone paving device. Background Asphalt pavement is a high-grade pavement which is most widely adopted in road construction, generally asphalt pavement is a pavement paved by mixing road asphalt materials into sand, asphalt and sand are combined to keep the pavement good, and generally when the road pavement is maintained, a layer of asphalt is required to be paved firstly, and then sand is paved on the asphalt. In the prior art, large equipment is used for paving or repairing large pavements, a layer of asphalt is generally coated on a pavement to be repaired manually for repairing small pavements, then a layer of sand is manually paved, the use of labor force is increased by manually paving the sand, the sand and stone thickness is uneven in the manually paved sand, the pavement repairing and maintenance efficiency is low, the repairing effect is poor, in the prior art, although the small sand and stone paving device is also provided, the existing sand and stone paving device is complex in structure and heavy in weight, when sand and stone paving is carried out, the impression is easily pressed on the coated asphalt, even the sticky asphalt influences the normal operation of the device, and the asphalt cleaning is difficult. Disclosure of utility model The utility model aims to overcome the defects of the prior art, and provides the road surface sand and stone paving device which can automatically pave sand and stone, thereby saving manpower and having uniform thickness of the paved sand and stone and good repairing effect. The road surface sand and stone paving device comprises a traveling device and a sand and stone placing box, wherein the sand and stone placing box is arranged on the traveling device, a discharging opening is formed in the lower side of the sand and stone placing box, an adjusting plate is movably arranged on at least one side of the discharging opening, the traveling device comprises two traveling rollers which are arranged at intervals, the two traveling rollers are rotatably arranged on the lower side of the sand and stone placing box, the traveling rollers are arranged in a hollow mode, and at least one traveling roller is connected with a rotation driving device. Preferably, a plurality of strip holes are formed in the adjusting plate, a plurality of bolt holes are correspondingly formed in the sand and stone placing box on one side of the feed opening, and the fixing bolts penetrate through the strip holes and the bolt holes and then are fixed through nuts. Preferably, a laying conveyer belt is arranged below the feed opening of the sand and stone placing box, two ends of the laying conveyer belt are respectively wound with a conveying roller shaft, two sides of the sand and stone placing box are two supporting side plates, two ends of the two conveying roller shafts are rotationally connected to the two supporting side plates, one conveying roller shaft is connected with a rotation driving device, and the laying conveyer belt is arranged above the travelling device. Preferably, the rotation driving device is a motor, the motor is fixedly arranged on the side edge of the sand and stone placing box, a synchronizing wheel is respectively arranged at the output end of the motor and one end of one conveying roller shaft, and the two synchronizing wheels are connected through a synchronizing chain or a synchronizing belt. Preferably, the middle part of the walking roller is provided with a walking rotating shaft, two ends of the walking rotating shaft are rotationally connected to the lower side of the supporting side plate, one end of the walking rotating shaft of at least one walking roller is also provided with a synchronizing wheel, and a synchronizing chain or a synchronizing belt simultaneously bypasses the output shaft of the motor, the conveying roller shaft and the synchronizing wheel at one end of the walking rotating shaft. Preferably, a stirring shaft is arranged in the sand and stone placing box, two ends of the stirring shaft are respectively rotatably arranged on the two supporting side plates, and one end of the stirring shaft is connected with any conveying roller shaft through a synchronous chain or a synchronous belt. Preferably, the two ends of the conveying roller shaft are rotatably arranged on the supporting side plates through bearing blocks, and the bearing blocks at the two ends of the other conveying roller shaft are adjustably arranged on the two supporting side plates through tensioning assemblies. Preferably, the support side plate is provided with an adjustable long hole, the bearing seats at two ends of the other conveying roll shaft are fixedly arranged in the adjustable long hole through bolts, the tensioning assembly comprises a tensioning block, a tensioni