CN211973007U - Paver for maintenance - Google Patents

Abstract

The utility model relates to a paver for maintenance relates to road surface paving equipment technical field, and it includes the paver body, be provided with the frame on the paver body, be provided with the feed cylinder in the frame, the length direction of feed cylinder with the advancing direction of paver body is the same, the feed cylinder includes that inner tube and cover establish the urceolus on the inner tube, be provided with the heating wire between inner tube and the urceolus, be provided with in the feed cylinder and carry out the rabbling mechanism that stirs to bituminous mixture, be provided with the drive on the feed cylinder rabbling mechanism pivoted gear motor. The utility model discloses can be to the bituminous mixture even heating in the feed cylinder for the bituminous mixture temperature is in the preferred and lays the temperature interval in, makes the road surface quality of spreading into obtain guaranteeing.

Description

Paver for maintenance

Technical Field

The utility model belongs to the technical field of the road surface equipment of paving and specifically relates to a paver is used in maintenance.

Background

The paver is a construction equipment mainly used for paving various materials on a base layer and a surface layer of a highway. The paver mainly comprises a basic vehicle, a hopper, a conveying device, a spiral paver, a vibrator, an ironing device, a control system and the like, wherein a mixture is unloaded into the hopper of the paver from a dump truck, is conveyed to a paving chamber through the conveying device, is transversely paved through the spiral paver, is preliminarily tamped by the vibrator along with the running of machinery, and is trimmed into a proper cross section through a rear ironing plate according to the required paving layer thickness and is ironed.

The utility model discloses a chinese utility model patent that bulletin number is CN201962580U discloses a paver and hopper heating system thereof, including the paver body, tail gas heating branch road, switching-over valve and temperature sensor, tail gas heating branch road is arranged on the hopper of paver body, and selectively establish ties to the tail gas exhaust pipe of engine on, the switching-over valve links to each other with tail gas heating branch road and tail gas exhaust pipe, have the first switching state of direct intercommunication tail gas exhaust pipe and establish ties the tail gas heating branch road to the second switching state on the tail gas exhaust pipe, temperature sensor and switching-over valve signal connection, and the state switching of switching-over valve is correlated with the temperature of the hopper that temperature sensor detected. When the tail gas heating device is used, tail gas generated by an engine is discharged from the exhaust pipe, is reversed by the reversing valve, enters the hopper of the paver through the sub-heating branch, and is uniformly heated; when the temperature of the hopper of the paver reaches a set value, the reversing valve is switched according to the signal of the temperature sensor, tail gas is directly discharged outside, and the hopper of the paver stops heating; when the temperature of the hopper of the paver is reduced to be lower than a set value, the reversing valve reverses again to heat the hopper of the paver again, and the hopper of the paver keeps constant temperature in the circulation mode.

The above prior art solutions have the following drawbacks: the asphalt mixture in direct contact with the hopper keeps constant temperature, the temperature of the asphalt mixture in the hopper far away from the side wall of the hopper is reduced quickly, and the pavement paved by the asphalt mixture with large temperature difference has the risk of forming bulges or depressions in the cooling process.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a paver is used in maintenance, it can be to the bituminous mixture uniform heating in the feed cylinder for the bituminous mixture temperature is in the preferred temperature interval of laying, makes the road surface quality of spreading into obtain guaranteeing.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a maintenance is with paver, includes the paver body, be provided with the frame on the paver body, be provided with the feed cylinder in the frame, the length direction of feed cylinder with the advancing direction of paver body is the same, the feed cylinder includes that inner tube and cover establish the urceolus on the inner tube, be provided with the heating wire between inner tube and the urceolus, be provided with in the feed cylinder and carry out the rabbling mechanism that stirs to bituminous mixture, be provided with the drive on the feed cylinder rabbling mechanism pivoted gear motor.

By adopting the technical scheme, the heating wire is adjusted to generate heat, the heating wire heats the inner barrel, the asphalt mixture is added into the charging barrel, the inner barrel heats the asphalt mixture, the speed reducing motor is adjusted to work, the speed reducing motor drives the stirring mechanism to rotate, and the stirring mechanism drives the asphalt mixture to move in the charging barrel, so that the inner barrel uniformly heats the asphalt mixture; the heating wire and the rabbling mechanism of design heat and stir bituminous mixture respectively for bituminous mixture thermally equivalent in the feed cylinder guarantees that the bituminous mixture temperature is in the preferred temperature interval of laying, makes the road surface quality of spreading one's face obtain guaranteeing.

The present invention may be further configured in a preferred embodiment as: the cross section of the charging barrel is omega-shaped, the stirring mechanism comprises two groups of stirring shafts symmetrically arranged in the charging barrel, and a plurality of groups of stirring blades are arranged on the stirring shafts and are uniformly distributed along the axial direction of the stirring shafts.

Through adopting above-mentioned technical scheme, the feed cylinder and the rabbling mechanism of design for the storage space of feed cylinder can increase, simultaneously, has strengthened stirring effect, guarantees that bituminous mixture is heated evenly.

The present invention may be further configured in a preferred embodiment as: one side of the stirring blade, which is close to the stirring shaft, is provided with an arc-shaped fixed plate which can be attached to the stirring shaft, and the arc-shaped fixed plate is connected with the stirring shaft through a bolt.

Through adopting above-mentioned technical scheme, the arc fixed plate of design for stirring vane can dismantle with the (mixing) shaft and be connected, is convenient for change stirring vane, simultaneously, protects the (mixing) shaft, reduces the wearing and tearing of (mixing) shaft in the use, has prolonged the life of (mixing) shaft.

The present invention may be further configured in a preferred embodiment as: and scraping plates are arranged between adjacent stirring blades distributed along the axial direction of the stirring shaft, and the scraping plates are abutted against the inner wall of the inner barrel.

Through adopting above-mentioned technical scheme, stirring vane rotates, and stirring vane drives the scraper blade and rotates for the bituminous mixture and the inner tube separation of inner tube contact, the scraper blade of design avoids partial bituminous mixture high temperature, guarantees that bituminous mixture is heated evenly, simultaneously, prevents that bituminous mixture adhesion from guaranteeing that the inner tube is clean on the inner wall of inner tube.

The present invention may be further configured in a preferred embodiment as: be provided with the cover on the feed cylinder, the cover is kept away from paver body one side is provided with the feeder hopper, be provided with on the feeder hopper and be used for sealing the apron of feeder hopper, the apron is inserted and is established on the feeder hopper, be provided with the drive on the feeder hopper the first pneumatic cylinder that the apron slided, the piston rod of first pneumatic cylinder with apron fixed connection.

By adopting the technical scheme, when the asphalt mixture is added into the charging barrel, the first hydraulic cylinder is adjusted, the first hydraulic cylinder is started, the piston rod of the first hydraulic cylinder extends out to drive the cover plate to slide, so that the feeding hopper is opened, the asphalt mixture is poured into the charging barrel by the dump truck, after the discharging is finished, the first hydraulic cylinder is adjusted, the first hydraulic cylinder is started, and the piston rod of the first hydraulic cylinder is retracted to drive the cover plate to reset; the designed cylinder cover seals the feed hopper, so that the heat dissipation of the asphalt mixture is reduced; the designed feed hopper is convenient for adding asphalt mixture into the charging barrel; the apron of design is convenient for seal the feeder hopper, and bituminous mixture spills the agitator when avoiding stirring bituminous mixture, reduces the bituminous mixture loss.

The present invention may be further configured in a preferred embodiment as: the inner cylinder is made of a heat conducting material, and the outer cylinder is made of a heat insulating material.

By adopting the technical scheme and the designed inner barrel and outer barrel, the heat generated by the heating wire is conveniently transferred to the asphalt mixture, and the heat loss is reduced.

To sum up, the utility model discloses a following at least one useful technological effect:

the designed heating wire and the stirring mechanism respectively heat and stir the asphalt mixture, so that the asphalt mixture in the charging barrel is uniformly heated, the temperature of the asphalt mixture is ensured to be in a better paving temperature range, and the quality of a paved road surface is ensured;

the designed arc-shaped fixing plate enables the stirring blades to be detachably connected with the stirring shaft, so that the stirring blades are convenient to replace, and meanwhile, the stirring shaft is protected, the abrasion of the stirring shaft in the use process is reduced, and the service life of the stirring shaft is prolonged;

the scraper blade of design avoids partial bituminous mixture high temperature, guarantees that bituminous mixture is heated evenly, simultaneously, prevents that bituminous mixture adhesion from guaranteeing that the inner tube is clean on the inner wall of inner tube.

Drawings

Fig. 1 is a schematic view of the overall structure of the maintenance paver of the present invention;

fig. 2 is a schematic view of the overall structure of the cartridge according to the present invention, which is intended to show the positional relationship of the cartridge and the related structures;

FIG. 3 is a top view of the barrel of the present invention, which is intended to show the positional relationship of the scraper, the stirring blade and the stirring shaft;

FIG. 4 is a schematic sectional view taken along line A-A of FIG. 3, intended to show a specific structure of the cartridge;

FIG. 5 is a partially enlarged view of portion B of FIG. 4, for illustrating the fitting relationship between the arc type stator and the stirring shaft.

In the figure, 1, a paver body; 2. a frame; 3. a charging barrel; 31. an inner barrel; 32. an outer cylinder; 33. an electric heating wire; 34. a cylinder cover; 35. a feed hopper; 351. a cover plate; 352. a first hydraulic cylinder; 4. a stirring mechanism; 41. a stirring shaft; 42. a stirring blade; 421. an arc-shaped fixing plate; 43. a squeegee; 5. a speed reducing motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a maintenance paver disclosed by the utility model comprises a paver body 1, the paver body comprises a base vehicle and a conveying device arranged on the base vehicle, the spiral paver of being connected with conveyor ejection of compact section, set up in the vibrator and the ironing device that basic car one side was kept away from to spiral paver, an organic whole is provided with frame 2 on the paver body 1, install feed cylinder 3 on the frame 2, the length direction of feed cylinder 3 is the same with the advancing direction of paver body 1, bolt fastening has cover 34 on the feed cylinder 3, cover 34 is kept away from paver body 1 one side welding and is had feeder hopper 35, the flaring of feeder hopper 35 sets up, be provided with the apron 351 that is used for sealing feeder hopper 35 on the feeder hopper 35, apron 351 inserts and establishes on feeder hopper 35, bolted connection has the first pneumatic cylinder 352 that the drive apron slided on the feeder hopper 35, the piston rod and the apron 351 fixed connection of first pneumatic cylinder 352.

Referring to fig. 3 and 4, the section of the charging barrel 3 is omega-shaped, a stirring mechanism 4 capable of stirring the asphalt mixture is arranged in the charging barrel 3, and a speed reduction motor 5 for driving the stirring mechanism 4 to rotate is arranged on the charging barrel 3. Referring to fig. 5, the stirring mechanism 4 includes two sets of stirring shafts 41 symmetrically disposed in the barrel 3, a plurality of sets of stirring blades 42 are mounted on the stirring shafts 41, and the stirring blades 42 are uniformly distributed along the axial direction of the stirring shafts 41. The side of the stirring blade 42 close to the stirring shaft 41 is provided with an arc-shaped fixing plate 421 which can be attached to the stirring shaft 41, and the arc-shaped fixing plate 421 is connected with the stirring shaft 41 through a bolt. The scraping plates 43 are connected between the adjacent stirring blades 42 distributed along the axial direction of the stirring shaft 41 through bolts, the scraping plates 43 are abutted against the inner wall of the inner barrel 31, and the speed reducing motor 5 is fixedly connected to the side wall, close to the paver body 1, of the outer barrel 32.

Referring to fig. 4, the cartridge 3 includes an inner cylinder 31 and an outer cylinder 32 covering the inner cylinder 31, a heating wire 33 is installed between the inner cylinder 31 and the outer cylinder 32, the heating wire 33 is wound between a gap between the inner cylinder 31 and the outer cylinder 32, the inner cylinder 31 is made of a steel plate having excellent heat conductivity, and the outer cylinder 32 is made of a heat-insulating rock wool plate.

The implementation principle of the embodiment is as follows: when the heating wire 33 is adjusted, the heating wire 33 generates heat, and the heating wire 33 heats the inner tube 31. Adjust first pneumatic cylinder 352, first pneumatic cylinder 352 starts, and the piston rod of first pneumatic cylinder 352 stretches out, drives apron 351 and slides for feeder hopper 35 is opened, is poured the bituminous mixture into feed cylinder 3 by the dump truck in, unloads the completion back, adjusts first pneumatic cylinder 352, and first pneumatic cylinder 352 starts, and the piston rod of first pneumatic cylinder 352 withdraws, drives apron 351 and resets, makes feed cylinder 3 seal. Adjusting gear motor 5, gear motor 5 work, gear motor 5 drives (mixing) shaft 41 and rotates, (mixing) shaft 41 drives stirring vane 42 and rotates, and stirring vane 42 drives scraper blade 43 and rotates for the bituminous mixture and the inner tube 31 separation of contact with inner tube 31 make inner tube 31 evenly heat bituminous mixture. The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (6)

1. The maintenance paver is characterized in that: including paver body (1), be provided with frame (2) on paver body (1), be provided with feed cylinder (3) on frame (2), the length direction of feed cylinder (3) with the advancing direction of paver body (1) is the same, urceolus (32) on inner tube (31) are established including inner tube (31) and cover in feed cylinder (3), be provided with heating wire (33) between inner tube (31) and urceolus (32), be provided with in feed cylinder (3) and carry out rabbling mechanism (4) to the bituminous mixture, be provided with the drive on feed cylinder (3) rabbling mechanism (4) pivoted gear motor (5).

2. The maintenance paver of claim 1, characterized in that: the cross section of the charging barrel (3) is arranged to be omega-shaped, the stirring mechanism (4) comprises two groups of stirring shafts (41) which are symmetrically arranged in the charging barrel (3), a plurality of groups of stirring blades (42) are arranged on the stirring shafts (41), and the stirring blades (42) are uniformly distributed in the axial direction of the stirring shafts (41).

3. The maintenance paver of claim 2, characterized in that: one side of the stirring blade (42), which is close to the stirring shaft (41), is provided with an arc-shaped fixing plate (421) which can be attached to the stirring shaft (41), and the arc-shaped fixing plate (421) is connected with the stirring shaft (41) through a bolt.

4. The maintenance paver of claim 3, characterized in that: and a scraper (43) is arranged between the adjacent stirring blades (42) distributed along the axial direction of the stirring shaft (41), and the scraper (43) is abutted against the inner wall of the inner cylinder (31).

5. The maintenance paver of claim 1, characterized in that: be provided with cover (34) on feed cylinder (3), keep away from cover (34) paver body (1) one side is provided with feeder hopper (35), be provided with on feeder hopper (35) and be used for sealing apron (351) of feeder hopper (35), apron (351) are inserted and are established on feeder hopper (35), be provided with the drive on feeder hopper (35) first pneumatic cylinder (352) that apron (351) slided, the piston rod of first pneumatic cylinder (352) with apron (351) fixed connection.

6. The maintenance paver of claim 1, characterized in that: the inner cylinder (31) is made of a heat conductive material, and the outer cylinder (32) is made of a heat insulating material.

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