CN210507068U

CN210507068U - Material leakage prevention structure of pavement milling machine

Info

Publication number: CN210507068U
Application number: CN201921284379.8U
Authority: CN
Inventors: 唐静静
Original assignee: Yueyang Tongquxing Road Co
Current assignee: Hunan tongquxing Road Construction Co.,Ltd.
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-05-12
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a road surface milling machine leak protection material structure, including the transportation area, the transportation area is installed on the fixed bolster through the cylinder at its both ends, and the outside of fixed bolster both sides is provided with the guard plate, is provided with drive gear between the cylinder at transportation area both ends and the fixed bolster, and drive gear and cylinder interference fit, the drive gear outside are provided with the drive track, and the drive track inboard is provided with takes the tooth with drive gear engaged with, and the drive track outside is provided with a plurality of baffles, and a baffle side extends to above the transportation area and its bottom surface contacts with the transportation area. The utility model discloses a set up drive track and baffle in the conveying side and solved the milling machine waste material and spilt and get into scraping or strain the belt back between the cylinder and the transportation area back, arouse cylinder and conveyer wearing and tearing aggravation, seriously influence life between them to seriously influence work efficiency's problem.

Description

Material leakage prevention structure of pavement milling machine

Technical Field

The utility model relates to a road surface digs mills equipment technical field, specifically is a road surface milling machine leak protection material structure.

Background

The road milling machine is one of the main machines of the asphalt pavement maintenance construction machinery, is the main equipment of the asphalt concrete pavement maintenance construction, is mainly used for excavating and renovating asphalt concrete surface courses of highways, town roads, airports, goods yards and the like, can also be used for removing the defects of pavement upheaval, oil wave, reticulate patterns, ruts and the like, can also be used for excavating pavement pits and grooves, roughening of cement pavements and milling and flattening of staggered platforms of the surface courses.

The main uses of the road milling machine are: 1. roughening the surface of the bridge deck, and performing flatness and waterproof treatment on the beam surface of the high-speed railway box girder. 2. And (3) digging, rutting, net cracking and milling and removing pit and groove parts of the asphalt pavement. Removing ice and snow on the bridge deck and the road surface. 3. Slightly roughening the original old pavement before the asphalt concrete is newly paved, or completing milling and roughening operation of corner areas and reinforcing steel bar densely-distributed areas by matching with a large milling machine. 4. Removing ground coatings, paints and various traffic markings; when the ground is damaged and the accumulated dirt needs to be renovated, the old terrace surface is removed, and the like. 5. The marked lines of the airport road and the braking traces of the runway tires are removed, and the rough surface with high friction coefficient is obtained again. 6. Milling and leveling 7 the over-standard high parts of a cement asphalt pavement, a highway bridge floor, a bridge slab staggering and an epoxy resin wear-resistant ground, constructing a micro-surface of the road, milling and removing the original old pavement surface layer, and preparing for slurry seal.

The milling machine consists of engine, frame, milling rotor, milling depth regulator, hydraulic element, aggregate conveyer, steering system, braking system, etc. The milling rotor is the main working part of the milling machine, consists of a milling rotor shaft, a tool apron, a tool bit and the like, is directly contacted with the road surface, and works through a milling cutter rotating at high speed to achieve the purpose of milling. An automatic leveling device is arranged on the milling machine, a side cover of a milling rotor is used as a milling reference surface, and two positioning hydraulic cylinders are controlled to keep the given milling depth constant; the hydraulic system is used for driving the milling rotor to rotate, the whole machine to walk, the auxiliary device to work and the like, is generally a closed hydraulic system with multiple independent pumps, does not interfere with each other during working and has high reliability; some milling machines are provided with an inclination adjuster according to requirements, and the inclination adjuster is used for controlling the inclination of the rotor; the large milling machines generally have a collecting conveyor consisting of a conveyor belt and a collector, which collects the milled bulk material and conveys it to a randomly moving carrier vehicle, the height of the conveyor arm being adjustable and pivotable to the left and right to adjust the discharge position.

The waste material produced by the milling machine after milling by the milling drum is loaded by the conveyor belt into a discharge truck. In the waste material conveying process, the front end of the conveying belt is connected with the material throwing port of the milling machine, waste materials are always leaked and enter the space between the bend pulley and the back face of the conveying belt, the back face of the belt is scratched or damaged, the bend pulley and the conveying belt are aggravated in abrasion, the service lives of the bend pulley and the conveying belt are seriously influenced, the working efficiency is seriously influenced, and the waste materials leaked from the conveying belt need to be cleaned again to be loaded for the excessive work of the worker.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a road surface milling machine leak protection material structure, the front end that aims at improving the transportation area is thrown the continuous department of material mouth with milling machine, always there is the waste material to spill and get into between the driven roll and the transportation area back, the belt back is scratched or pulled, arouse driven roll and conveyer belt wearing and tearing aggravation, seriously influence life between them to seriously influence work efficiency, the waste material that gets off from the transportation area still need clean the loading again for the problem of the unnecessary work of the bare-handed increase of work person.

The utility model discloses a realize like this:

the utility model provides a road surface milling machine leak protection material structure, including the conveyer belt, the conveyer belt is installed on the fixed bolster through the cylinder at its both ends, the outside of fixed bolster both sides is provided with the guard plate, be provided with drive gear between the cylinder at conveyer belt both ends and the fixed bolster, drive gear and cylinder interference fit, the drive gear outside is provided with the transmission track, the transmission track inboard is provided with takes the tooth with drive gear engaged with, the transmission track outside is provided with a plurality of baffles, just its bottom surface contacts with the conveying track on a baffle side extends to the conveyer belt.

Through adopting above-mentioned technical scheme, when the waste material that milling machine milled the plane and produced was transported through the conveyer belt, the conveyer belt motion can be followed to the drive track that sets up in conveyer belt both sides to the baffle that sets up on the drive track, because the vibration that milling machine during operation produced, the waste material on the conveyer belt can slide to the conveyer belt edge, because the baffle is vertical on the conveyer belt, consequently can have the baffle to the gliding waste material in conveyer belt edge and block, thereby follow the conveyer belt and promote the transportation.

Further, the number of drive tracks is set to 2 and is symmetrical about the longitudinal center plane of the conveyor belt, and the corresponding baffles are also symmetrical about the center plane of the conveyor belt.

Through adopting above-mentioned technical scheme, the drive track that sets up in bilateral symmetry can effectually prevent the waste material from the landing of conveyer belt both sides simultaneously.

Further, the baffle plate and the lifting direction of the conveyer belt form an included angle of 30-60 degrees, and the tail end of the baffle plate faces the bottom direction of the conveyer belt.

Through adopting above-mentioned technical scheme, the conveyer belt of being convenient for is when upwards promoting because the direction of promotion of baffle and conveyer belt has 30 ~60 contained angles and end orientation conveyer belt bottom to be convenient for block the waste material and go out from the clearance landing between the baffle.

Furthermore, the baffle is also provided with a wear-resistant layer which is made of rubber materials.

Through adopting above-mentioned technical scheme, be provided with the wearing layer that faces down at the end of baffle and can improve the wearability of this baffle and further improve the leak protection material effect of baffle.

Furthermore, the side surface of the protection plate is provided with a long round hole perpendicular to the front surface of the conveying crawler belt, and the protection plate is in threaded connection with the fixed support through the long round hole.

By adopting the technical scheme, the protection plate is connected with the fixed support through threads, so that the protection plate is convenient to disassemble, the connecting holes are arranged to be the long round holes which are consistent with the vertical direction of the front surface of the conveying crawler belt, and the installation height of the protection plate can be conveniently adjusted through the long round holes.

Furthermore, the baffle and the transmission track are of an integrated structure and are made of materials with certain elasticity.

By adopting the technical scheme, the transmission crawler is driven by the transmission gear to transmit, the transmission crawler has certain elasticity, so that the transmission gear is tightly meshed with the transmission crawler, the baffle is tightly attached to the surface of the conveying belt and has certain elasticity, so that the friction resistance between the baffle and the conveying belt can be reduced, and the baffle cannot be easily deformed to influence the effect of stopping waste materials.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses

(1) the conveyer belt is additionally provided with the protective plate and the transmission crawler belt, the transmission crawler belt is driven by the transmission gear arranged on the conveyer belt roller to transmit, the transmission crawler belt can lift along with the lifting of the conveyer belt, the planing and milling waste can be effectively prevented from leaking from the two sides of the conveyer belt through the plurality of baffles arranged on the transmission crawler belt, thereby avoiding the influence on the service life of the conveyer belt caused by the abrasion of the belt of the conveyer belt due to the leaked asphalt waste, and the protective plate which is arranged and can adjust the installation height further prevents the road surface planing and milling waste from being splashed to the outer side from the conveyer belt.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a perspective view of a material leakage prevention structure of the road milling machine of the utility model;

fig. 2 is a front view of the material leakage preventing structure of the road milling machine of the utility model;

fig. 3 is a front view of the anti-leakage structure of the road milling machine of the present invention along another direction;

fig. 4 is a partially enlarged schematic view of the apron of the leakage preventing structure of the road milling machine shown in fig. 3.

In the figure: 1. a conveyor belt; 11. a drum; 2. fixing a bracket; 3. a protection plate; 301. a long round hole; 4. a transmission gear; 5. a drive track; 51. toothed; 52. a baffle plate; 53. and a wear-resistant layer.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, in the embodiment of the present invention,

a leakage-proof structure of a pavement milling machine comprises a conveying belt 1, wherein the conveying belt 1 is arranged on fixing supports 2 on two sides through rollers 11 on two ends of the conveying belt 1, the middle part of each fixing support 2 is provided with a plurality of reinforcing structures, the outer sides of two sides of each fixing support 2 are provided with protection plates 3, the side surfaces of the protection plates 3 are uniformly provided with 3 long circular holes 301 which are vertical to the front surface of a conveying crawler 5, and the protection plates 3 are in threaded connection with the fixing supports 2 through the long circular holes 301; the protection plates 3 are in threaded connection with the fixed support 2 so as to be convenient to detach, and the connecting holes are arranged to be oblong holes 301 which are consistent with the vertical direction of the front surface of the conveying crawler 5 so as to be convenient for adjusting the installation height of the protection plates 3 through the oblong holes 301; a transmission gear 4 is arranged between the roller 11 and the fixed support 2 at two ends of the conveyer belt 1, the transmission gear 4 is in interference fit with the roller 11, a transmission crawler 5 is arranged on the outer side of the transmission gear 4, a belt tooth 51 meshed with the transmission gear 4 is arranged on the inner side of the transmission crawler 5, a plurality of baffle plates 52 are arranged on the outer side of the transmission crawler 5, the baffle plates 52 and the transmission crawler 5 are of an integrated structure and adopt a structure with certain elasticity, the transmission crawler 5 is driven by the transmission gear 4 for transmission, the transmission crawler 5 has certain elasticity so as to enable the transmission gear 4 and the transmission crawler 5 to be tightly meshed, the baffle plates 52 have certain elasticity due to being tightly attached to the surface of the conveyer belt 1, so that the friction resistance between the baffle plates and the conveyer belt; the apron 52 extends laterally over the conveyor belt 1 and with its underside in contact with the front side of the conveyor belt 1, the number of drive tracks 5 is arranged to be 2 and symmetrical with respect to the longitudinal centre plane of the conveyor belt 1, the corresponding baffle 52 is also symmetrical about the longitudinal centre plane of the conveyor belt 1, the baffle 52 forming an angle of 45 with the lifting direction of the conveyor belt 1, and the ends of the baffles 52 face towards the bottom of the conveyor belt 1, facilitating the lifting of the conveyor belt when it is lifted upwards, since the apron 52 has an angle of 45 deg. to the lifting direction of the conveyor belt 1 and ends towards the bottom of the conveyor belt 1, therefore, waste materials generated by the road surface milled by the milling machine can be prevented from sliding out from the gaps between the baffle plates 52 in the transportation process, the rubber wear-resistant layer 53 is further arranged on the baffle plates 52, the downward wear-resistant layer 53 arranged at the tail ends of the baffle plates 52 can improve the wear resistance of the baffle plates 53, the gaps between the baffle plates 52 are reduced, and the leakage-proof effect of the baffle plates 52 is further improved.

The working principle is as follows: transmission gear 4 and cylinder 11 interference fit, when the milling machine was carried out the road surface and is milled the process waste material and was transported outward from conveyer belt 1, conveyer belt 1 promoted the time cylinder 11 and driven transmission gear 4 and rotate thereby drive the motion with transmission gear engaged with transmission track 5, be provided with a plurality of baffle 52 down on the transmission track 5 and install decurrent wearing layer 53 at baffle 52 top, the clearance between baffle 52 is less, when the waste material of milling the road surface was transported from conveyer belt 1, because the milling machine continuation work can produce the vibration, can make the waste material on the conveyer belt 1 towards both sides landing, because conveyer belt 1 side has set up baffle 52, the waste material can not go out the landing from baffle 52, thereby can continue to be promoted by conveyer belt 1 and transport in the dummy car, in addition guard plate 3 at the installation of the baffle 52 outside can block the waste material spill. Thus, the waste on the conveyor belt is effectively prevented from leaking out by this structure.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a road surface milling machine leak protection material structure, includes conveyer belt (1), its characterized in that: the conveyer belt (1) is installed on the fixed bolster (2) through cylinder (11) at its both ends, the outside of fixed bolster (2) both sides is provided with guard plate (3), be provided with between cylinder (11) at conveyer belt (1) both ends and fixed bolster (2) drive gear (4), drive gear (4) and cylinder (11) interference fit, drive gear (4) outside is provided with drive track (5), drive track (5) inboard is provided with takes tooth (51) with drive gear (4) engaged with, the drive track (5) outside is provided with a plurality of baffles (52), baffle (52) one side extends to above the conveyer belt (1) and its bottom surface and conveyer belt (1) front contact.

2. A road milling machine leakage prevention structure as claimed in claim 1, characterized in that the number of the driving tracks (5) is set to 2 and is symmetrical about the longitudinal center plane of the conveyor belt (1), and the corresponding baffle (52) is also symmetrical about the longitudinal center plane of the conveyor belt (1).

3. The leakage-proof structure of the road milling machine as claimed in claim 1, wherein the baffle (52) has an angle of 30 ° to 60 ° with the lifting direction of the conveyor belt (1), and the end of the baffle (52) faces the bottom of the conveyor belt (1).

4. The leakage-proof structure of the road milling machine as claimed in claim 1, wherein the baffle plate (52) is further provided with a wear-resistant layer (53), and the wear-resistant layer (53) is made of rubber material.

5. The leakage-proof structure of the road milling machine as claimed in claim 1, wherein the side surface of the protection plate (3) is provided with an oblong hole (301) which is perpendicular to the front surface of the transmission crawler (5), and the protection plate (3) is in threaded connection with the fixed support (2) through the oblong hole (301).

6. The material leakage preventing structure of the road milling machine as claimed in claim 1, wherein the baffle (52) and the driving track (5) are of an integral structure and made of a material with certain elasticity.