CN218667021U - Material spreading device for roadbed construction - Google Patents

Abstract

The utility model discloses a paving device for roadbed construction, which comprises a movable tray connected with a vehicle rear frame, wherein the movable tray is provided with a material guide hopper and a material guide plate, the material guide plate is positioned below the material guide hopper, one end of the material guide plate positioned below the material guide hopper is connected with a front support arm in a shaft way, a pushing part applies forward thrust to a push-pull part, one end of the material guide plate close to the rear support arm is fixed with an extension arm, and the tail end of the extension arm is fixed with a scraping plate; with prior art relative ratio, the beneficial effects of the utility model are that: the rear arm is crooked after the control of promotion portion, and the level of the upper end of rear arm at this moment reduces to make the rear end downstream of stock guide, drive the screed this moment and remove, after the fill-out spreading material falls down on by the stock guide, the screed advances along with the freight train, thereby carries out the flattening through the screed to the spreading layer, just so need not other processes of rethread and carries out the flattening processing, has improved the efficiency of construction.

Description

Spreading device for roadbed construction

Technical Field

The utility model belongs to highway construction machinery, concretely relates to is a stone material paving device for use during road bed construction.

Background

In the road bed work progress, according to the road bed form difference, sometimes need carry out the stone material construction, in the conventional art, usually at the regional stockpile that forms a plurality of fill-in pavements of fill-in paving, then tile every stockpile, among the prior art, also disclosed a paver for highway engineering construction, the authorized bulletin number is: CN217536596U, it is marchd on the track by skip draw gear, the skip material is emptyd to in the hopper down, make the material fill up the hopper down, the material forms rectangular form distribution in the feed opening, open behind the striker plate material with rectangular form uninstallation, then vibrate the stone of laying through the vibrating rod, it can improve the closely knit degree of filling the stone, but because the blanking speed of filling the stone and draw gear's speed of marcing influence, the filling stone that falls has inhomogeneous condition, some position stone thickness exceeds standard, some position stone thickness is not enough, follow-up needs other processes to carry out the flattening to the stone, lead to the efficiency of construction lower.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a can carry out the stone material device for road bed construction of flattening to the bed of material when the stone material.

For realizing above-mentioned purpose, the utility model discloses a technical scheme be, a stone device is used in road bed construction, include the removal tray of being connected with the car after-poppet, be provided with guide fill and stock guide on the removal tray, the stock guide is located the below of guide fill, the one end coupling that is located the guide fill below on the stock guide has preceding support arm, be provided with the back support arm on the removal tray, the back support arm supports the one end of keeping away from the guide fill on the stock guide, be provided with inner support plate and the opening that is located the below of guide fill on the stock guide, the inner support plate is located the open-ended top and articulates with the stock guide, the inner support plate is connected with the impeller that passes by the opening, be provided with the push-and-pull portion that the push-pull arm was bent after controlling between removal tray and the stock guide, impeller contacts with the front end of push-pull portion, when the inner support plate overturns downwards, the impeller applys forward thrust to push-pull portion, the one end that is close to the back support arm on the stock guide is fixed with the extension arm, the end of extension arm is fixed with the scraping plate.

Furthermore, the push-pull part comprises a horizontal pull rod and a push plate, the push plate is fixed at the front end of the horizontal pull rod and is in contact with the push piece, and the rear end of the horizontal pull rod is hinged with the middle part of the rear support arm.

Furthermore, the horizontal pull rod is connected with a vertical plate, a strip opening extending along the length direction of the vertical plate is arranged on the vertical plate, the horizontal pull rod penetrates through the strip opening, a horizontal sleeve sleeved on the horizontal pull rod is arranged in the strip opening, a compression reset spring is connected between the horizontal sleeve and the lower end of the strip opening, and the horizontal sleeve can vertically slide in the strip opening.

Furthermore, a clamping disc is arranged on the horizontal pull rod, a stretching return spring is sleeved on the horizontal pull rod, and two ends of the stretching return spring are respectively connected with the clamping disc and the horizontal sleeve.

Furthermore, a straight strip groove which is positioned in the strip opening is arranged on the vertical plate, and an anti-falling sliding rod which is fixed on the horizontal sleeve is matched in the straight strip groove.

Furthermore, the rear support arm comprises a lower support arm and an upper support arm, the lower end of the lower support arm is hinged to the movable tray, the lower end of the upper support arm is connected with the upper end of the lower support arm through a hinged disc, and an upward extending inclined support rod is arranged on the lower support arm.

Furthermore, the scraping plate comprises a top plate fixed with the extension arm, the top plate is connected with a scraping plate, an adjusting screw rod penetrates through the top plate, and the lower end of the adjusting screw rod is in contact with the top surface of the scraping plate.

Compared with the prior art, the beneficial effects of the utility model are that: when the material is paved, the device is connected with the rear frame of the vehicle, the vehicle filled with the material is moved forward, the hopper is gradually turned up, the filling material in the hopper slides into the material guide hopper and flows out from the lower port of the material guide hopper, the filling material falls on the inner supporting plate at the moment, after a certain weight of filling material is accumulated on the inner supporting plate, the inner supporting plate is turned downwards, the pushing piece moves downwards and the pushing and pulling part moves forwards (the advancing direction of the truck), the pushing part controls the rear supporting arm to bend, the horizontal height of the upper end of the rear supporting arm is reduced at the moment, so that the rear end of the material guide plate moves downwards, the scraping plate is driven to move at the moment, after the filling material falls down from the material guide plate, the scraping plate advances along with the truck, the material paving layer is leveled through the scraping plate, so that leveling treatment is not needed by other procedures, and the construction efficiency is improved.

Drawings

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

fig. 2 is a schematic view of the connection between the material guide plate and the movable tray of the present invention;

fig. 3 is a schematic structural view of the push-pull portion of the present invention;

FIG. 4 is a schematic view of the connection between the horizontal sleeve and the vertical plate of the present invention;

FIG. 5 is a schematic view of the structure of the vertical plate of the present invention;

fig. 6 is a schematic structural view of the rear arm of the present invention;

fig. 7 is another schematic structural view of the rear arm of the present invention;

fig. 8 is a schematic view of the scraping plate structure of the present invention;

wherein, 1-a moving tray, 2-rollers, 3-butt joint arms, 4-guide hoppers, 5-guide plates, 6-outer side arms, 7-surrounding baffles, 8-front support arms, 9-inner supporting plates, 10-openings, 11-pushing pieces, 12-extension arms, 13-scraping plates, 14-horizontal pull rods, 15-pushing plates, 16-vertical plates, 17-strip openings, 18-horizontal sleeves and 19-compression return springs, 20-straight groove, 21-anti-falling sliding rod, 22-clamping disc, 23-extension return spring, 24-lower arm, 25-upper arm, 26-hinged disc, 27-diagonal rod, 28-bottom support table, 29-pair clamping plate, 30-top block, 31-positioning plate, 32-limiting plate, 33-top plate, 34-scraping plate, 35-penetrating rod, 36-pressing disc, 37-compression spring and 38-adjusting screw rod.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the scope of protection of the present invention based on the embodiments of the present invention.

The terms "front" and "rear" as used in this application refer to the "direction toward the frame" and the "direction away from the frame", respectively.

Referring to fig. 1 to 2, a paving device for roadbed construction comprises a mobile tray 1 connected with a rear frame of a vehicle, rollers 2 connected with the lower surface of the mobile tray 1, a docking arm 3 connected with the front end of the mobile tray 1, two docking arms 3, wherein the end of each docking arm 3 can be connected with the rear frame of the rear of the vehicle, a material guide hopper 4 and a material guide plate 5 are arranged on the mobile tray 1, the material guide hopper 4 is connected with the mobile tray 1 through two outer side arms 6, the front end and two side edges of the material guide plate 5 are respectively provided with a baffle 7, wherein the baffle at the front end of the material guide plate 5 is provided with an upper side opening, after the vehicle filled with paving material moves forward and turns up the vehicle hopper gradually, the filling material in the vehicle hopper slides into the material guide hopper 4 and flows out from the lower end opening of the material guide hopper 4, the material guide plate 5 is positioned below the material guide hopper 4, one end of the material guide plate 5 is connected with a front support arm 8, the movable tray 1 is provided with a rear support arm which supports one end of the material guide plate 5 far away from the material guide hopper 4, when the filling and paving material does not fall on the material guide plate 5, the material guide plate 5 is in a horizontal state, at the moment, if the device is not connected with a rear frame of a trolley, the device can be used as a trolley, the material guide plate 5 is provided with an inner supporting plate 9 and an opening 10 which are positioned below the material guide hopper 4, the inner supporting plate 9 is positioned above the opening 10 and is hinged with the material guide plate 5, when the filling and paving material flows out from a lower port of the material guide hopper 4, the filling and paving material falls on the inner supporting plate 9, when the filling and paving material falling on the inner supporting plate 9 reaches a certain weight, the inner supporting plate 9 turns downwards and moves, the inner supporting plate 9 is connected with a pushing piece 11 which passes through the opening 10, at the moment, the pushing piece 11 also moves downwards along with the inner supporting arm, a push-pull part which controls the rear bending is arranged between the movable tray 1 and the material guide plate 5, impeller 11 contacts with the front end of push-and-pull portion, when inner supporting plate 9 overturns downwards, impeller 11 applys forward thrust to the front end of push-and-pull portion, will make the rear arm form the state of bending this moment, and the one end that is close to the rear arm on stock guide 5 is fixed with extension arm 12, the end of extension arm 12 is fixed with screed 13, after the rear arm is the state of bending, the level of the upper end of rear arm reduces, thereby make the rear end of stock guide 5 remove downwards, drive screed 13 and remove this moment, after the fill bed material falls down by stock guide 5, screed 5 advances along with the freight train, thereby carry out the flattening through screed 5 to the bed of material, just so need not other processes again and carry out the flattening processing, construction efficiency has been improved.

In addition, referring to fig. 3 to 5, the push-pull portion includes a horizontal pull rod 14 and a push plate 15, the push plate 15 is fixed at the front end of the horizontal pull rod 14, and the push plate 15 contacts with the push member 11, when the push member 11 moves downward, the push member 11 applies a forward pushing force to the push plate 15, so as to drive the horizontal pull rod 14 to move forward, the rear end of the horizontal pull rod 14 is hinged with the middle position of the rear arm, the push member 11 is a strip-shaped triangular rib plate, one angle of the triangular rib plate is an obtuse angle and the obtuse angle contacts with the upper side of the push plate 15, the horizontal pull rod 14 is connected with a vertical plate 16, the vertical plate 16 is provided with a bar opening 17 extending along the length direction thereof, the horizontal pull rod 14 passes through the bar opening 17, a horizontal sleeve 18 sleeved on the horizontal pull rod 14 is arranged in the bar opening 17, a compression return spring 19 is connected between the horizontal sleeve 18 and the lower end of the bar opening 17, the horizontal sleeve 18 can vertically slide in the bar opening 17, specifically, the vertical plate 16 is provided with a straight groove 20 positioned in the bar opening 17, the straight groove 20 is matched with an anti-drop slide bar 21 fixed on the horizontal sleeve 18, when the pushing plate 15 moves forwards, the horizontal pull rod 14 can move along with the straight groove, if the horizontal height of the rear end of the horizontal pull rod 14 is reduced at the moment, the horizontal sleeve 18 also moves downwards along with the straight groove, so that the horizontal pull rod 14 can be kept to move smoothly, the horizontal pull rod 14 is provided with a clamping disc 22, the horizontal pull rod 14 is sleeved with a stretching return spring 23, two ends of the stretching return spring 23 are respectively connected with the clamping disc 22 and the horizontal sleeve 18, after the material paving action is completed, under the action of the stretching return spring 23, the pushing plate 15 moves backwards, at the moment, the pushing plate 15 makes the inner supporting plate 9 turn upwards, and the rear supporting arm is controlled by the horizontal pull rod 14 to return to a straight rod state, thus, the material guide plate 5 is restored to the initial state, and the whole process does not need manual adjustment.

Referring to fig. 6, the rear arm includes a lower arm 24 and an upper arm 25, a lower end of the lower arm 24 is hinged to the movable tray 1, a lower end of the upper arm 25 is connected to an upper end of the lower arm 24 through a hinge plate 26, an upwardly extending diagonal brace 27 is provided on the lower arm 24, a bottom bracket 28 is provided on the movable tray 1 in front of the lower arm 24, the horizontal pull rod 14 is hinged to the hinge plate 26, the lower arm 24 is tilted downward when the horizontal pull rod 14 moves forward, two counter-clamping plates 29 are provided on a lower surface of the material guide plate 5, an upper end of the upper arm 25 is hinged to a top block 30 located between the two counter-clamping plates 29, both the upper arm 25 and the lower arm 24 can be telescopic arms having a telescopic structure, when the lower arm 24 is tilted downward, the upper arm 25 starts to tilt, at this time, the support for the material guide plate 5 is lost, when the upper end of the diagonal brace 27 contacts the upper arm 25, the support for the material guide plate 5 is formed into a sliding state, and the material guide plate 13 is moved downward.

Referring to fig. 7, the rear arm of the present application may also have other configurations, such as: a positioning plate 31 is arranged at the front side of the hinged position of the lower arm 24 and the upper arm 25, a limiting plate 32 is arranged at the rear side of the lower arm 24, and when the lower arm 24 and the upper arm 25 are positioned on the same vertical straight line, the positioning plate 31 is simultaneously contacted with the upper arm 25 and the lower arm 24.

As shown in fig. 8, the screed 13 includes a top plate 33 fixed to the extension arm 12, the top plate 33 is connected to a scraper 34, specifically, the top plate 33 is provided with a through hole, the scraper 34 is connected to a through rod 35 passing through the through hole, an upper end of the through rod 35 is fixed to a pressure plate 36, the through rod 35 is sleeved with a compression spring 37 between the pressure plate 36 and the top plate 33, an adjusting screw 38 passes through the top plate 33, a lower end of the adjusting screw 38 contacts with a top surface of the scraper 34, and when the adjusting screw 38 is screwed to move downward, the scraper 34 can move downward, so as to adjust a position of the scraper 34.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a spreading device is used in road bed construction, includes the removal tray of being connected with car after-frame, its characterized in that: the movable tray is provided with a material guide hopper and a material guide plate, the material guide plate is located below the material guide hopper, one end of the material guide plate, which is located below the material guide hopper, is connected with a front support arm in a shaft mode, the movable tray is provided with a rear support arm, the rear support arm supports one end, which is located on the material guide plate and is far away from the material guide hopper, an inner support plate and an opening are arranged on the material guide plate, which are located below the material guide hopper, the inner support plate is located above the opening and is hinged to the material guide plate, the inner support plate is connected with a pushing piece which is penetrated through the opening, a push-pull portion which controls the bending of the rear support arm is arranged between the movable tray and the material guide plate, the pushing piece is in contact with the front end of the push-pull portion, when the inner support plate overturns downwards, forward thrust is applied to the front end of the push-pull portion by the pushing piece, one end, which is close to the rear support arm, an extension arm is fixed on the material guide plate, and the tail end of the extension arm is fixed with a scraping plate.

2. The paving device for roadbed construction according to claim 1, wherein the paving device comprises: the push-pull part comprises a horizontal pull rod and a push plate, the push plate is fixed at the front end of the horizontal pull rod and is in contact with the push piece, and the rear end of the horizontal pull rod is hinged with the middle part of the rear support arm.

3. The paving device for roadbed construction according to claim 2, characterized in that: the horizontal pull rod is connected with a vertical plate, a strip opening extending along the length direction of the vertical plate is arranged on the vertical plate, the horizontal pull rod penetrates through the strip opening, a horizontal sleeve sleeved on the horizontal pull rod is arranged in the strip opening, a compression reset spring is connected between the horizontal sleeve and the lower end of the strip opening, and the horizontal sleeve can vertically slide in the strip opening.

4. The paving device for roadbed construction according to claim 3, characterized in that: the horizontal pull rod on be provided with the screens dish, the cover is equipped with extension reset spring on the horizontal pull rod, extension reset spring's both ends respectively with screens dish and horizontal sleeve pipe connection.

5. The paving device for roadbed construction according to claim 3, wherein the paving device comprises: the vertical plate is provided with a straight strip groove positioned in the strip opening, and the straight strip groove is matched with an anti-falling sliding rod fixed on the horizontal sleeve.

6. The paving device for roadbed construction according to claim 1, wherein the paving device comprises: the rear support arm comprises a lower support arm and an upper support arm, the lower end of the lower support arm is hinged to the movable tray, the lower end of the upper support arm is connected with the upper end of the lower support arm through a hinged disc, and an upward extending inclined support rod is arranged on the lower support arm.

7. The paving device for roadbed construction according to claim 1, wherein the paving device comprises: the scraping plate comprises a top plate fixed with the extension arm, the top plate is connected with a scraping plate, an adjusting screw rod penetrates through the top plate, and the lower end of the adjusting screw rod is in contact with the top surface of the scraping plate.

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