CN113494042A - Combined multi-milling-drum wide-body road milling machine - Google Patents
Combined multi-milling-drum wide-body road milling machine Download PDFInfo
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- CN113494042A CN113494042A CN202010195206.XA CN202010195206A CN113494042A CN 113494042 A CN113494042 A CN 113494042A CN 202010195206 A CN202010195206 A CN 202010195206A CN 113494042 A CN113494042 A CN 113494042A
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- milling
- box
- drum
- milling drum
- drums
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
- E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
- E01C23/088—Rotary tools, e.g. milling drums
Abstract
The invention relates to a combined type multi-milling-drum wide-body pavement milling machine which comprises a machine base chassis, a power driving device, a traveling mechanism, a traveling lifting mechanism, a front milling drum box, a rear milling drum box and a rear box retracting device, wherein the front milling drum box is transversely and fixedly arranged at the front part of the middle of the lower surface of the machine base chassis; through the technical scheme, the simultaneous layering operation of the milling drums on the road surface is realized, the flatness after operation is improved, a foundation is laid for subsequent operation, the rear milling drum box can be conveniently folded and unfolded, the requirement of once milling single lane width can be met, the current highway lane width is 3750mm, the operation can be completed once, the construction safety risk is effectively reduced, the repeated labor in construction is reduced, the construction speed and the working efficiency are greatly improved, and the road surface maintenance construction cost is further reduced.
Description
Technical Field
The invention relates to a milling machine, in particular to a combined type multi-milling-drum wide-body pavement milling machine.
Background
With the rapid development of national economy, the trend of the strengthening of comprehensive national force, the urbanization of villages and towns, the large-scale of middle-small cities and the garden of large and medium-sized cities is increasingly obvious, the road traffic industry of China is also the rapid development, the road pavement of China is greatly changed, particularly the rapid development of highways, the total amount of the infrastructure of the highways of China makes a great breakthrough, and the timely, effective and high-quality maintenance of the highways is the key point of daily work in the future in order to keep the safety, comfort and rapidness of the road traffic.
Modern mechanical maintenance operation modes are imperative, and at present, when the highway is maintained, the surface layer of 2-4 cm of the road surface is mainly removed, and a new material is paved, so that the flatness of the road surface and the friction coefficient of the road surface are ensured to be recovered.
The existing high-speed pavement is generally arranged with four bidirectional lanes, the existing maintenance mode is to use the existing pavement milling machine, the milling width of the widest milling machine is 2100mm, the width of each lane is 3750mm, the existing equipment can not finish milling one lane in the same direction at one time, two or more machines are needed to work, the current-limiting construction is needed to ensure the traffic, the safety risk is high, the repeated labor in the construction is high, the construction speed is low, the working efficiency is low, and the pavement maintenance construction cost is greatly improved.
Disclosure of Invention
In view of the above, the main object of the present invention is to provide a combined multi-milling-drum wide-body pavement milling machine, through the technical scheme, a modular design mode is adopted, so that simultaneous layering operation of multiple milling drums on a pavement is realized, working load is dispersed, flatness after operation is improved, a foundation is laid for subsequent operation, a front milling drum box can be conveniently folded and unfolded, pavement driving requirements can be met in a storage state, the equipment is convenient to transport and transfer, and pavement with a widest lane width of 3750mm on a high-speed highway can be completed in one-time operation when the equipment is released.
In order to achieve the purpose, the technical scheme of the invention is realized as follows: the utility model provides a modular many milling drum broad body road surface milling machine, includes frame chassis, power drive, running gear and walking elevating system, power drive sets up in frame chassis front portion, and running gear sets up on the front portion of frame chassis below and rear portion both sides, walking elevating system upper end is fixed mutually below with frame chassis front and back portion, and the running gear lower extreme that walks links to each other with the running gear who corresponds, still including back milling drum case, preceding milling drum case and front box winding and unwinding devices, the middle rear portion of back milling drum case horizontal fixed setting below frame chassis, two preceding milling drum cases horizontal one row setting respectively in the front milling drum case the place ahead, front box winding and unwinding devices is fixed to be set up below the frame chassis in the middle of two preceding milling drum cases.
As a further technical scheme, back milling drum case and preceding milling drum case comprise the box respectively, mill the plane drum and camber stock guide, and two are milled the horizontal level of plane drum and are set up side by side in the box, and two are milled plane drum both sides and are articulated respectively and fix on the box lateral wall, camber stock guide sets up respectively in the box on the oblique top position of rear portion milling plane drum, and camber stock guide both sides are fixed mutually with box both sides lateral wall, and two side by side mill plane drum lower edges and pass through empty downwardly extending to the bottom half outside.
As a further technical solution, the milling heads on the milling drums in the rear milling drum box are respectively inclined toward the longitudinal center position of the machine base chassis along the working direction of the milling drums, and the milling heads on the milling drums in the front milling drum box are respectively inclined toward the inner side of the position along the working direction of the milling drums.
As a further technical solution, under the condition that the diameters of the two milling drums in the rear milling drum box and the front milling drum box are the same, the central height of the rear side milling drum positioned in the box body is lower than the central height of the front side milling drum positioned in the box body.
As a further technical scheme, under the condition that the two milling drums in the rear milling drum box and the front milling drum box are at the same central height, the working diameter of the milling drum at the rear side in the box body is larger than that of the milling drum at the front side in the box body.
As a further technical scheme, the front box folding and unfolding device is composed of a telescopic oil cylinder and guide steel frames, the upper ends of the front and rear walls of the front milling drum boxes are respectively provided with an outer edge which protrudes outwards, the guide steel frames are fixedly arranged at the front and rear sides of the two front milling drum boxes, the outer edges of the front and rear walls of the front milling drum boxes are clamped on the guide steel frames, and the guide steel frames are respectively fixed on the lower surfaces of the corresponding base chassis; the fixed ends of the two telescopic oil cylinders are respectively fixed on the lower surface of the base plate of the machine base, and the movable ends of the two telescopic oil cylinders are respectively connected with the corresponding front milling drum boxes.
As a further technical scheme, the device also comprises cantilever reinforcing devices, wherein the cantilever reinforcing devices are hinged on the upper surfaces of two sides of the base chassis and are vertically arranged on the two sides of the base chassis for storage at ordinary times, when the device works, the cantilever reinforcing devices are turned out towards the two sides, one end of each cantilever reinforcing device is fastened on the base chassis, and the other end of each cantilever reinforcing device is fixed with the corresponding front milling drum box.
As a further technical scheme, still include the defeated material machine of preceding belt, the defeated material machine of back belt, storage hopper, front box ejection of compact baffle and back box ejection of compact baffle, the defeated material machine of preceding belt is fixed in frame chassis below, and the defeated material machine front end of preceding belt sets up on the lower part position of back milling drum case back wall, and the top is provided with the storage hopper before the defeated material machine of back belt, and the defeated material machine rear end of preceding belt sets up in the storage hopper top, and the unsettled setting in the rear of frame chassis in back defeated material machine rear portion of back belt, and two front box ejection of compact baffles and two back box ejection of compact baffles incline inwards downwards respectively, and the lower extreme of two back box ejection of compact baffles sets up in the conveyer belt left and right sides top of the defeated material machine of preceding belt.
The beneficial effect after adopting above-mentioned technical scheme is: the utility model provides a modular many milling drums broad body road surface milling machine, through this technical scheme, adopt the design of preceding milling drum case and back milling drum case, realize that the road surface mills the simultaneous layering operation of milling drum more, the work load has been dispersed, the roughness after the operation has been improved, lay the foundation for the successor operation, and preceding milling drum case can conveniently realize receiving and releasing, when receiving the state of depositing, can satisfy the road surface requirement of traveling, conveniently transport this equipment, can realize when giving out that the road surface once operation that the highway widest lane width is 3750mm is accomplished, the effectual construction safety risk that has reduced the repetition work in the construction, construction speed and work efficiency improve greatly, thereby further reduced road surface maintenance construction cost.
Drawings
Fig. 1 is a schematic structural diagram of the overall storage state of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a partial half sectional structural schematic view of the extended state of the rear milling drum box in the invention.
In the figure, a machine base chassis 1, a power driving device 2, a traveling mechanism 3, a traveling lifting mechanism 4, a rear milling drum box 5, a front milling drum box 6, a box body 7, a milling drum 8, an arc-shaped guide plate 9, a front belt conveyor 10, a telescopic oil cylinder 11, a guide steel frame 12, an outer edge 13, a cantilever reinforcing device 14, a rear belt conveyor 15, a rear box discharge guide plate 16, a front box discharge guide plate 17 and a storage hopper 18 are arranged.
Detailed Description
Specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1-3, the combined type multiple milling drum wide body road milling machine related by the invention comprises a machine base chassis 1, a power driving device 2, a traveling mechanism 3 and a traveling lifting mechanism 4, the power driving device 2 is arranged at the front part of the base chassis 1, the traveling mechanisms 3 are arranged at the front part and the rear part of the lower part of the base chassis 1, the upper end of the walking lifting mechanism 4 is fixed with the lower surfaces of the front part and the rear part of the base plate 1, the lower end of the walking lifting mechanism 4 is connected with the corresponding walking mechanism 3, and the device also comprises a rear milling drum box 5, a front milling drum box 6 and a front box retraction device, the rear milling drum box 5 is transversely and fixedly arranged at the middle rear part below the base chassis 1, the two front milling drum boxes 6 are respectively transversely arranged behind the front milling drum boxes 6 in a row, and the front box retracting device is fixedly arranged below the base chassis 1 between the two front milling drum boxes 6.
As a further embodiment, the rear milling drum box 5 and the front milling drum box 6 are respectively composed of a box body 1, milling drums 8 and arc-shaped guide plates 9, the two milling drums 8 are horizontally arranged in the box body 7 side by side in a horizontal direction, two sides of the two milling drums 8 are respectively hinged and fixed on the side walls of the box body 7, the arc-shaped guide plates 9 are respectively arranged at the positions obliquely above the rear milling drums 8 in the box body 7, two sides of the arc-shaped guide plates 9 are fixed with the side walls of two sides of the box body 7, and the lower edges of the two parallel milling drums 8 are extended out of the bottom of the box body 7 through hollows.
As a further example, the milling heads on the milling drums 8 in the rear milling drum magazine 5 are each inclined in the working direction of the milling drum 8 toward the longitudinal center position of the machine base chassis 1, and the milling heads on the milling drums 8 in the front milling drum magazine 6 are each inclined in the working direction of the milling drum 8 toward the inside of the position in which they are located.
As a further example, the two milling drums 8 in the rear and front milling drum boxes 5, 6 have the same diameter, and the rear milling drum 8 is located in the box 7 at a lower center height than the front milling drum 8 in the box 7.
As a further example, the working diameter of the rear milling drum 8 in the magazine 7 is greater than the working diameter of the front milling drum 8 in the magazine 7 at the same center height of the two milling drums 8 in the rear milling drum magazine 5 and the front milling drum magazine 6.
As a further embodiment, the front box retracting device is composed of a telescopic oil cylinder 11 and a guide steel frame 12, the upper ends of the front and rear walls of the front milling drum boxes 6 are respectively provided with an outer edge 13 protruding outwards, the guide steel frame 12 is fixedly arranged at the front and rear sides of the two front milling drum boxes 6, the outer edges 13 of the front and rear walls of the front milling drum boxes 6 are clamped on the guide steel frame 12, and the guide steel frames 12 are respectively fixed below the corresponding base chassis 1; the fixed ends of the two telescopic oil cylinders 11 are respectively fixed on the lower surface of the base chassis 1, and the movable ends of the two telescopic oil cylinders 11 are respectively connected with the corresponding front milling drum boxes 6.
As a further embodiment, the device further comprises cantilever stiffeners 14, wherein the cantilever stiffeners 14 are hinged to the upper surfaces of the two sides of the base chassis 1 and are vertically arranged on the two sides of the base chassis 1 for storage at ordinary times, when the device works, the cantilever stiffeners 14 are turned out towards the two sides, one end of each cantilever stiffener 14 is fastened on the base chassis 1, and the other end of each cantilever stiffener 14 is fixed with the corresponding front milling drum box 6.
As a further embodiment, the milling machine further comprises a front belt conveyor 10, a rear belt conveyor 15, a storage hopper 18, front box discharge guide plates 17 and rear box discharge guide plates 16, wherein the front belt conveyor 10 is fixed below the base chassis 1, the front end of the front belt conveyor 10 is arranged at the lower position of the rear wall of the rear milling drum box 5, the storage hopper 18 is arranged above the front portion of the rear belt conveyor 15, the rear end of the front belt conveyor 10 is arranged above the storage hopper 18, the rear portion of the rear belt conveyor 15 is arranged at the rear of the base chassis 1 in a hanging manner, the two front box discharge guide plates 17 and the two rear box discharge guide plates 16 are respectively inclined downwards and inwards, and the lower ends of the two rear box discharge guide plates 16 are arranged above the left and right sides of the conveyor belt of the front belt conveyor 10.
When the invention is in a collection state, the two cantilever reinforcing devices 14 are vertically arranged and collected at two sides above the base plate 1, and the two front milling drum boxes 6 are collected below the base plate 1 through the contraction of the telescopic oil cylinders 11.
When the automatic milling machine is in a working state, the telescopic oil cylinders 11 extend outwards, the two front milling drum boxes 6 extend outwards along the guide steel frame 12, materials milled and planed by the front milling drum boxes 6 slide down on the ground in the middle of the lower part of the base chassis 1 through the front box discharging guide plates 17, materials milled and planed by the rear milling drum boxes 5 slide down on a conveying belt of the front belt conveyor 10 through the arc-shaped guide plates 9 and the rear box discharging guide plates 16, are conveyed out into the storage hopper 18 through the conveying belt, and are conveyed out through the rear belt conveyor 15; in order to increase the milling effect of the front milling drum box 6 and prolong the service life, the two cantilever stiffeners 14 are put down, and the two ends of the cantilever stiffeners are respectively fixed on the base plate 1 and the front milling drum box 6, so that the purposes of stabilizing the front milling drum box 6 and strengthening the rigidity of the front milling drum box 6 are achieved.
The power driving device 2 of the present invention generates high pressure oil, drives the traveling mechanism 3 to move back and forth through the high pressure oil pipe and the hydraulic motor, drives the milling drum 8 to rotate, and drives the front belt conveyor 10 and the rear belt conveyor 15 to convey materials backwards, which is the prior art and will not be described repeatedly herein.
The rear milling drum box 5 is 2600mm wide in design working range and can meet the repair work of a common road surface, the two front milling drum boxes 6 are 600mm-800mm in design working range, and the two items of maintenance work with the superposition width exceeding 3750mm of a standard single lane of the expressway.
In the embodiment of the invention, the purpose of one-time layering operation is achieved by adopting the mode that the diameter of the milling drum 8 positioned at the rear side position is larger than that of the milling drum 8 positioned at the front side position of the two milling drums 8 of the rear milling drum box 5 and the front milling drum box 6.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention.
Claims (8)
1. The utility model provides a modular many milling drum broad body road surface milling machine, includes frame chassis, power drive, running gear and walking elevating system, power drive sets up in frame chassis front portion, and running gear sets up on the front portion of frame chassis below and rear portion both sides, walking elevating system upper end is fixed mutually below with frame chassis front and back portion, and the walking elevating system lower extreme links to each other with the running gear who corresponds, its characterized in that still includes back milling drum case, preceding milling drum case and front box winding and unwinding devices, the middle rear portion of back milling drum case horizontal fixed setting below frame chassis, two preceding milling drum cases horizontal one row setting respectively in back milling drum case the place ahead, front box winding and unwinding devices is fixed to be set up below the frame chassis in the middle of two preceding milling drum cases.
2. The combined type multi-milling-drum wide-body pavement milling machine as claimed in claim 1, wherein the rear milling drum box and the front milling drum box are respectively composed of a box body, milling drums and arc-shaped guide plates, the two milling drums are horizontally arranged in the box body side by side in a transverse direction, two sides of the two milling drums are respectively fixed on the side walls of the box body in a hinged mode, the arc-shaped guide plates are respectively arranged on the positions, obliquely above the rear milling drums in the box body, two sides of each arc-shaped guide plate are fixed with the side walls of two sides of the box body, and the lower edges of the two side by side milling drums extend out of the bottom of the box body through the air.
3. The combined multi-milling-drum wide-body road milling machine according to claim 2, wherein the milling heads on the milling drums in the rear milling drum box are each inclined in the working direction of the milling drum toward the longitudinal center position of the base chassis, and the milling heads on the milling drums in the front milling drum box are each inclined in the working direction of the milling drum toward the inside of the position.
4. The combined multi-milling-drum wide-body road milling machine as claimed in claim 2, wherein the two milling drums in the rear milling drum box and the front milling drum box have the same diameter, and the center height of the rear milling drum in the box body is lower than the center height of the front milling drum in the box body.
5. The combined multi-milling-drum wide-body road milling machine according to claim 2, wherein the working diameter of the rear milling drum located in the box body is larger than that of the front milling drum located in the box body at the same center height of the two milling drums in the rear milling drum box and the front milling drum box.
6. The combined type multi-milling-drum wide-body pavement milling machine as claimed in claim 1, wherein the front box retracting device is composed of a telescopic oil cylinder and guide steel frames, the upper ends of the front and rear walls of the front and rear milling drum boxes are respectively provided with an outer edge protruding outwards, the guide steel frames are fixedly arranged at the front and rear sides of the two front milling drum boxes, the outer edges of the front and rear walls of the front and rear milling drum boxes are clamped on the guide steel frames, and the guide steel frames are respectively fixed on the lower surfaces of the corresponding base chassis; the fixed ends of the two telescopic oil cylinders are respectively fixed on the lower surface of the base plate of the machine base, and the movable ends of the two telescopic oil cylinders are respectively connected with the corresponding front milling drum boxes.
7. The combination multi-milling-drum wide-body road milling machine as claimed in claim 1, further comprising cantilever stiffeners hinged to the upper sides of the base chassis, which are normally vertically disposed on the base chassis for storage at both sides, and which are folded out at both sides during operation, wherein one end of each cantilever stiffener is fastened to the base chassis and the other end is fixed to the corresponding front milling drum box.
8. The combined type multi-milling-drum wide-body pavement milling machine according to claim 2, further comprising a front belt conveyor, a rear belt conveyor, a storage hopper, front box discharge guide plates and rear box discharge guide plates, wherein the front belt conveyor is fixed below the base chassis, the front end of the front belt conveyor is arranged at the lower position of the rear wall of the rear milling-drum box, the storage hopper is arranged above the front part of the rear belt conveyor, the rear end of the front belt conveyor is arranged above the storage hopper, the rear part of the rear belt conveyor is arranged at the rear of the base chassis in a hanging manner, the two front box discharge guide plates and the two rear box discharge guide plates are respectively inclined downwards and inwards, and the lower ends of the two rear box discharge guide plates are arranged above the left and right sides of the conveyor belt of the front belt conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010195206.XA CN113494042A (en) | 2020-03-18 | 2020-03-18 | Combined multi-milling-drum wide-body road milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010195206.XA CN113494042A (en) | 2020-03-18 | 2020-03-18 | Combined multi-milling-drum wide-body road milling machine |
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| Publication Number | Publication Date |
|---|---|
| CN113494042A true CN113494042A (en) | 2021-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010195206.XA Pending CN113494042A (en) | 2020-03-18 | 2020-03-18 | Combined multi-milling-drum wide-body road milling machine |
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| Country | Link |
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| CN (1) | CN113494042A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5577808A (en) * | 1995-04-03 | 1996-11-26 | Trencor, Inc. | Quarry miner |
| CN2627052Y (en) * | 2003-05-16 | 2004-07-21 | 长沙中联重工科技发展股份有限公司 | Milling machine capable of self-adaptive discharge speed control |
| DE102004025567A1 (en) * | 2004-03-26 | 2005-10-13 | Dynapac Gmbh | Device for removing a road surface comprises a cutting roller that can be exchanged together with part of a side wall and optionally the transmission of a cutting roller drive as one unit |
| CN102619158A (en) * | 2012-04-17 | 2012-08-01 | 陕西长大实业有限公司 | Pavement milling machine |
| CN203393585U (en) * | 2012-06-25 | 2014-01-15 | 维特根有限公司 | Road surface milling machine |
-
2020
- 2020-03-18 CN CN202010195206.XA patent/CN113494042A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5577808A (en) * | 1995-04-03 | 1996-11-26 | Trencor, Inc. | Quarry miner |
| CN2627052Y (en) * | 2003-05-16 | 2004-07-21 | 长沙中联重工科技发展股份有限公司 | Milling machine capable of self-adaptive discharge speed control |
| DE102004025567A1 (en) * | 2004-03-26 | 2005-10-13 | Dynapac Gmbh | Device for removing a road surface comprises a cutting roller that can be exchanged together with part of a side wall and optionally the transmission of a cutting roller drive as one unit |
| CN102619158A (en) * | 2012-04-17 | 2012-08-01 | 陕西长大实业有限公司 | Pavement milling machine |
| CN203393585U (en) * | 2012-06-25 | 2014-01-15 | 维特根有限公司 | Road surface milling machine |
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Application publication date: 20211012 |
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