CN216193795U

CN216193795U - Heat preservation device for spiral distributor of asphalt paver

Info

Publication number: CN216193795U
Application number: CN202122305262.7U
Authority: CN
Inventors: 李长俊; 蔡勇珩; 赖子纬; 徐俊长
Original assignee: Nanning Municipal Engineering Group Co ltd
Current assignee: Nanning Municipal Engineering Group Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-04-05
Anticipated expiration: 2031-09-23

Abstract

The utility model relates to the technical field of asphalt pavers, and discloses a heat preservation device for an asphalt spreader spiral distributor. According to the utility model, the gland of the port of the spiral distributor of the asphalt paver is pressed by the heat insulation component, so that the interference of external dust on asphalt can be avoided, meanwhile, the asphalt can be heated and insulated to maintain the stable temperature of the asphalt for discharging, and the combination of the rolling component and the elastic stretching component can actively open and close the heat insulation component, so that workers can carry out regular maintenance work.

Description

Heat preservation device for spiral distributor of asphalt paver

Technical Field

The utility model relates to the technical field of asphalt pavers, in particular to a thermal insulation device for a spiral distributor of an asphalt paver.

Background

The asphalt spreader is a machine for uniformly spreading asphalt mixture on the road base layer and performing preliminary compaction and leveling, and comprises a frame, a power device, a walking device, a hopper, a material door, a scraper conveyor, a spiral spreader, a cab and the like, wherein the spiral spreader is used as main equipment for asphalt spreading and is an important component part for asphalt spreading.

But there are some shortcomings about asphalt spreader's spiral distributor in the existing market, and traditional spiral distributor is mostly uncovered form, and it very easily receives the influence of external crosswind, leads to the inside pitch of spiral distributor to lose the temperature sooner, influences evenly to pave, and at the in-process that paves, outside foreign matter, dust are very easily mixed and fall to inside the pitch. Accordingly, one skilled in the art provides a thermal insulation device for an auger distributor of an asphalt paving machine to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heat preservation device for a spiral distributor of an asphalt paver, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a thermal insulation device for a spiral distributor of an asphalt paver comprises a mounting plate, wherein hinges are symmetrically connected to the rear side of the mounting plate, the mounting plate is connected with a thermal insulation assembly through the hinges, elastic stretching assemblies are symmetrically embedded into the end surfaces of thermal insulation glands in the thermal insulation assembly, winding assemblies are symmetrically arranged above the mounting plate, and winding cables in the winding assemblies are connected with stretching rings in the elastic stretching assemblies in a hanging mode;

the heat preservation assembly comprises a heat preservation gland connected with the mounting plate through a hinge, the inner side of the heat preservation gland is sequentially provided with a heating pipe and a protection screen plate from top to bottom, and a pressure reduction pad is arranged at the port position of the heat preservation gland;

the elastic stretching assembly comprises a telescopic sleeve symmetrically embedded into the inner side of the end face of the heat-insulation gland, a positioning slide rod is arranged on the inner side of the telescopic sleeve, a compression spring is sleeved on the outer side of the positioning slide rod, a positioning sliding sleeve is sleeved on the top end of the compression spring on the outer side of the positioning slide rod, and a stretching ring is arranged above the positioning sliding sleeve and penetrates through the end face of the heat-insulation gland;

the rolling subassembly is fixed the rolling casing in the mounting panel top including the symmetry, the inboard of rolling casing is located top position department and rotates and be connected with the transmission main shaft, and the inboard of rolling axle is located bottom position department and is fixed with the rolling motor, the output of rolling motor is fixed with drive pulley, the one end of transmission main shaft is fixed with driven pulley, drive pulley passes through the drive belt with driven pulley and is connected, the middle part of transmission main shaft is fixed with the rolling axle, the inboard coiling of rolling axle has the rolling cable.

As a still further scheme of the utility model: the heating pipe is of a U-shaped structure, and the protection net plate is of a grid-shaped structure.

As a still further scheme of the utility model: the pressure reducing pad is made of an NBR material, and the wall thickness of the pressure reducing pad is not less than 1 cm.

As a still further scheme of the utility model: the inner side of the transmission belt is provided with anti-skidding teeth, and the driving belt wheel and the driven belt wheel synchronously rotate through the transmission belt.

As a still further scheme of the utility model: and a guide wheel is arranged on one side of the inner wall of the winding cable, which is positioned at the wire outlet.

As a still further scheme of the utility model: the inner diameter of the positioning sliding sleeve is matched with the outer diameter of the positioning sliding rod, and the positioning sliding sleeve is elastically clamped with the positioning sliding rod through a compression spring.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the gland of the port of the spiral distributor of the asphalt paver is pressed by the heat insulation component, so that the interference of external dust and foreign matters on asphalt can be avoided, meanwhile, the asphalt can be heated and insulated, the asphalt is discharged at a stable temperature, and the heat insulation component can be actively opened and closed in the combination of the rolling component and the elastic stretching component, so that the regular maintenance work of workers can be conveniently carried out.

Drawings

FIG. 1 is a schematic structural view of a thermal insulation device of a spiral distributor of an asphalt paver;

FIG. 2 is a schematic structural diagram of a heat insulation assembly in a heat insulation device of a spiral distributor of an asphalt paving machine;

FIG. 3 is a schematic structural view of a coiling assembly in a thermal insulation device of a spiral distributor of an asphalt paving machine;

fig. 4 is a schematic structural diagram of an elastic stretching assembly in a thermal insulation device of a spiral distributor of an asphalt paving machine.

In the figure: 1. mounting a plate; 2. a hinge; 3. a heat-preserving gland bush; 4. winding the shell; 5. winding a cable; 6. stretching the ring; 7. heating a tube; 8. a protective mesh plate; 9. a pressure reducing pad; 10. a telescopic sleeve; 11. positioning the slide bar; 12. positioning the sliding sleeve; 13. a compression spring; 14. a winding shaft; 15. a transmission main shaft; 16. a driven pulley; 17. a transmission belt; 18. a drive pulley; 19. a winding motor; 20. a guide wheel.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the utility model, a thermal insulation device for a spiral distributor of an asphalt spreader comprises a mounting plate 1, hinges 2 are symmetrically connected to the rear side of the mounting plate 1, the mounting plate 1 is connected to a thermal insulation assembly through the hinges 2, the thermal insulation assembly comprises a thermal insulation gland 3 connected to the mounting plate 1 through the hinges 2, a heating pipe 7 and a protective mesh plate 8 are sequentially arranged on the inner side of the thermal insulation gland 3 from top to bottom, a pressure reducing pad 9 is arranged at a port position of the thermal insulation gland 3, the heating pipe 7 is of a U-shaped structure, the protective mesh plate 8 is of a grid-shaped structure, the pressure reducing pad 9 is made of NBR material, the wall thickness of the pressure reducing pad 9 is not less than 1cm, and in the process of paving asphalt by the spiral distributor of the asphalt spreader, the thermal insulation gland 3 performs sealing gland treatment on the port of the spiral distributor through an elastic pressure reducing pad 9, so as to prevent asphalt from being subjected to external cross wind, The influence of dust foreign matter, the condition that the appearance loses temperature great, sneak into the foreign matter, and the heating through heating pipe 7 keeps warm, and the pitch that can be further in the spiral distributing device heats the heat preservation and handles.

An elastic stretching component is symmetrically embedded in the end face of a heat-insulating gland 3 in the heat-insulating component, the elastic stretching component comprises a telescopic sleeve 10 symmetrically embedded in the inner side of the end face of the heat-insulating gland 3, a positioning slide rod 11 is arranged on the inner side of the telescopic sleeve 10, a compression spring 13 is sleeved on the outer side of the positioning slide rod 11, a positioning slide sleeve 12 is sleeved on the top end of the compression spring 13 on the outer side of the positioning slide rod 11, a stretching ring 6 is arranged on the end face of the heat-insulating gland 3 and penetrates above the positioning slide sleeve 12, the inner diameter of the positioning slide sleeve 12 is matched with the outer diameter of the positioning slide rod 11, the positioning slide sleeve 12 is elastically clamped with the positioning slide rod 11 through the compression spring 13, a winding cable 5 is pulled to move upwards in the winding process, the stretching ring 6 drives the positioning slide sleeve 12 to elastically slide on the positioning slide rod 11 in the upward moving process, so that the winding cable 5 can carry out soft stretching opening and closing on the heat-insulating gland 3, in order to reduce the sudden tensile strength that rolling cable 5 received, and then open the back to heat preservation gland 3, overhaul work to the spiral distributing device.

A winding component is symmetrically arranged above the mounting plate 1, a winding cable 5 in the winding component is hung with a stretching ring 6 in an elastic stretching component, the winding component comprises a winding shell 4 symmetrically fixed above the mounting plate 1, the inner side of the winding shell 4 is rotatably connected with a transmission main shaft 15 at the top end position, a winding motor 19 is fixed at the inner side of a winding shaft 14 at the bottom end position, a driving belt pulley 18 is fixed at the output end of the winding motor 19, a driven belt pulley 16 is fixed at one end of the transmission main shaft 15, the driving belt pulley 18 is connected with the driven belt pulley 16 through a transmission belt 17, the winding shaft 14 is fixed at the middle part of the transmission main shaft 15, a winding cable 5 is wound at the inner side of the winding shaft 14, anti-skid teeth are arranged at the inner side of the transmission belt 17, the driving belt pulley 18 and the driven belt pulley 16 synchronously rotate through the transmission belt 17, a guide wheel 20 is arranged at one side of the inner wall of the winding cable 5, which is positioned at a wire outlet, in the process of unloading and paving asphalt by the spiral distributor of the asphalt paver, when the spiral distributor needs to be mechanically checked, the winding motor 19 works to drive the driving belt pulley 18 to rotate, the driven belt pulley 16 is driven to rotate through the transfer transmission of the transmission belt 17, and the transmission main shaft 15 is synchronously driven to rotate, so that the winding shaft 14 carries out winding treatment on the winding cable 5.

The working principle of the utility model is as follows: in the process of unloading and paving asphalt by an asphalt spreader spiral distributor, the heat-insulating gland 3 carries out sealing gland treatment on the port of the spiral distributor through the elastic pressure pad of the pressure-reducing pad 9, thereby avoiding the asphalt from being influenced by external cross wind and dust foreign matters, causing the conditions of large temperature loss and foreign matters mixing, and further carrying out heating and heat-insulating treatment on the asphalt in the spiral distributor through the heating and heat-insulating of the heating pipe 7, further carrying out machine inspection on the spiral distributor when in need, the winding motor 19 works to drive the driving belt pulley 18 to rotate, the driven belt pulley 16 is driven to rotate through the transfer transmission of the transmission belt 17, the transmission main shaft 15 is synchronously driven to rotate, the winding shaft 14 carries out winding treatment on the winding cable 5, the winding cable 5 pulls the winding ring 6 to move upwards in the process of winding, the winding ring 6 moves upwards in the process of moving upwards, drive positioning sliding sleeve 12 and elastically slide on positioning slide bar 11, make rolling cable 5 carry out soft stretching to heat preservation gland 3 and open and close to reduce the sudden tensile strength that rolling cable 5 received, and then open heat preservation gland 3 the back, overhaul work to the spiral distributing device.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The heat preservation device for the spiral distributor of the asphalt paver comprises a mounting plate (1), and is characterized in that hinges (2) are symmetrically connected to the rear side of the mounting plate (1), the mounting plate (1) is connected with a heat preservation assembly through the hinges (2), elastic stretching assemblies are symmetrically embedded into the end faces of heat preservation glands (3) in the heat preservation assembly, winding assemblies are symmetrically arranged above the mounting plate (1), and winding cables (5) in the winding assemblies are hooked with stretching rings (6) in the elastic stretching assemblies;

the heat-insulation assembly comprises a heat-insulation gland (3) connected with the mounting plate (1) through a hinge (2), the inner side of the heat-insulation gland (3) is sequentially provided with a heating pipe (7) and a protective screen plate (8) from top to bottom, and a pressure-reduction pad (9) is arranged at the port position of the heat-insulation gland (3);

the elastic stretching assembly comprises a stretching sleeve (10) symmetrically embedded into the inner side of the end face of the heat-insulation gland (3), a positioning slide rod (11) is arranged on the inner side of the stretching sleeve (10), a compression spring (13) is sleeved on the outer side of the positioning slide rod (11), a positioning sliding sleeve (12) is sleeved on the top end of the compression spring (13) on the outer side of the positioning slide rod (11), and a stretching ring (6) penetrates through the end face of the heat-insulation gland (3) above the positioning sliding sleeve (12);

the rolling subassembly is fixed rolling casing (4) in mounting panel (1) top including the symmetry, the inboard of rolling casing (4) is located top position department and rotates and is connected with transmission main shaft (15), and the inboard of rolling axle (14) is located bottom position department and is fixed with rolling motor (19), the output of rolling motor (19) is fixed with drive pulley (18), the one end of transmission main shaft (15) is fixed with driven pulley (16), drive pulley (18) are connected through drive belt (17) with driven pulley (16), the middle part of transmission main shaft (15) is fixed with rolling axle (14), the inboard coiling of rolling axle (14) has rolling cable (5).

2. The thermal insulation device for the spiral distributor of the asphalt paving machine as claimed in claim 1, wherein the heating pipe (7) is of a U-shaped structure, and the protective screen (8) is of a grid-shaped structure.

3. The thermal insulation device for the spiral distributor of the asphalt paving machine as claimed in claim 1, wherein the pressure reducing pad (9) is made of NBR material, and the wall thickness of the pressure reducing pad (9) is not less than 1 cm.

4. The thermal insulation device for the spiral distributor of the asphalt paving machine as claimed in claim 1, wherein the inner side of the transmission belt (17) is provided with anti-skid teeth, and the driving pulley (18) and the driven pulley (16) synchronously rotate through the transmission belt (17).

5. The thermal insulation device for the spiral distributor of the asphalt paving machine as claimed in claim 1, wherein a guide wheel (20) is arranged on one side of the outlet of the inner wall of the winding cable (5).

6. The thermal insulation device for the spiral distributor of the asphalt paving machine as claimed in claim 1, wherein the inner diameter of the positioning sliding sleeve (12) is adapted to the outer diameter of the positioning sliding rod (11), and the positioning sliding sleeve (12) is elastically clamped with the positioning sliding rod (11) through a compression spring (13).