CN217298568U - Chassis adjusting device of wheeled pavement milling machine - Google Patents
Chassis adjusting device of wheeled pavement milling machine Download PDFInfo
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- CN217298568U CN217298568U CN202221089590.6U CN202221089590U CN217298568U CN 217298568 U CN217298568 U CN 217298568U CN 202221089590 U CN202221089590 U CN 202221089590U CN 217298568 U CN217298568 U CN 217298568U
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Abstract
The utility model discloses a chassis adjusting device of a wheel type pavement milling machine, which comprises a frame, a milling drum assembly and a chassis assembly, wherein the milling drum assembly and the chassis assembly are respectively arranged on the frame; the milling drum assembly is connected with a transverse adjusting assembly, and the transverse adjusting assembly drives the milling drum assembly to move left and right relative to the vehicle frame along the transverse direction. Has the advantages that: the utility model can avoid the road surface barrier in the operation process by adjusting the position of the milling drum assembly on the chassis, and the milling position does not need to be relocated again, thereby improving the operation efficiency; meanwhile, the positions of two independently controlled driving rear wheels can be adjusted, four tires of the tire type milling machine are symmetrically arranged in the transition transportation process, and the stability of the whole machine is improved.
Description
Technical Field
The utility model relates to a wheel road surface milling machine's part, in particular to wheel road surface milling machine's chassis adjusting device belongs to engineering machine tool technical field.
Background
The road milling machine is a special maintenance device for road surfaces, belongs to the engineering machinery, can be divided into a tire type road milling machine and a crawler type road milling machine according to the driving form, is more flexible than the crawler type road milling machine, and is mainly suitable for the construction of municipal roads. In order to endow the tire type road milling machine with more applicable working conditions, two driving front wheels of the road milling machine on the current market are uniformly controlled through a front axle, and the height is not adjustable; the two driving rear wheels are independently controlled and adjustable in height, and particularly, the right driving rear wheel can rotate 180 degrees around the fixed shaft, and the rotating milling machine can carry out welting milling.
In order to meet the working condition that the milling machine realizes welting milling, the four tires of the tire type milling machine adopt an asymmetric arrangement mode, the asymmetric arrangement mode also brings great inconvenience to the tire type milling machine, and particularly, when the tire type milling machine automatically climbs a plate car, great overturning risks exist.
In addition, most tire type milling machines on the market adopt a form of fixedly connecting with a vehicle frame, the milling drum is immovable in the transverse direction (the advancing direction of the vehicle head is longitudinal), and a water draining fence is arranged at the road edge in municipal work, so that the milling machine needs to be transferred again to reposition the milling position, and the working efficiency is seriously influenced.
Disclosure of Invention
The purpose of the invention is as follows: the utility model aims at solving the problems in the prior art and providing a chassis adjusting device of a wheel type pavement milling machine, which can avoid pavement obstacles in the operation process by adjusting the position of a milling drum assembly on a chassis, does not need to be relocated to reposition the milling position again, and improves the operation efficiency; meanwhile, the positions of two independently controlled driving rear wheels can be adjusted, the four tires of the tire type milling machine are symmetrically arranged in the transition transportation process, and the stability of the whole machine is improved.
The technical scheme is as follows: a chassis adjusting device of a wheel type pavement milling machine comprises a frame, a milling drum assembly and a chassis assembly, wherein the milling drum assembly and the chassis assembly are respectively arranged on the frame; the milling drum assembly is connected with a transverse adjusting assembly, and the transverse adjusting assembly drives the milling drum assembly to move left and right relative to the vehicle frame along the transverse direction.
The utility model discloses a horizontal adjustment assembly drive is milled plane drum assembly and is removed along the relative frame of horizontal direction and remove, can realize avoiding the road surface barrier milling operation in-process, need not to transition again and relocate and mill plane the position, has improved the operating efficiency.
Preferably, in order to realize that the transverse adjusting assembly can drive the milling drum assembly to move left and right relative to the vehicle frame along the transverse direction, the transverse adjusting assembly comprises a transverse adjusting oil cylinder and a sliding assembly, the milling drum assembly is movably connected with the vehicle frame along the transverse direction through the sliding assembly, and the transverse adjusting oil cylinder pushes the milling drum assembly to move left and right relative to the vehicle frame along the transverse direction.
The utility model discloses a hydraulic cylinder drive also can be through the drive of electronic lead screw.
Preferably, in order to ensure that the milling drum assembly is connected with the vehicle frame in a transversely movable manner and ensure the reliability of the connection, the sliding assembly comprises a connecting sleeve, a connecting shaft and connecting blocks, the connecting sleeve is fixedly connected with the milling drum assembly, the connecting shaft is fixedly connected with the vehicle frame along the transverse direction through the connecting blocks at two ends, the connecting sleeve is sleeved on the connecting shaft, and the transverse adjusting oil cylinder pushes the milling drum assembly to move along the connecting shaft.
The utility model discloses except above-mentioned scheme, can also adopt connecting sleeve and connected to the frame, the connecting axle with mill the plane drum assembly and be connected, the scheme that connecting sleeve and connecting axle adoption suit mode are connected.
Preferably, in order to ensure that the milling drum assembly and the frame of the milling machine are relatively stable and fixed in position in the normal operation process, limiting plates are respectively arranged on two sides of the milling drum assembly, the limiting plates are respectively detachably mounted on the outer side of the milling drum assembly, and connecting blocks at two ends of the connecting shaft are located between the limiting plates on two sides of the milling drum assembly.
The connecting blocks at two ends of the connecting shaft are positioned between the limiting plates at two sides of the milling drum assembly, and the limiting plates are fixedly connected with the milling drum assembly, and the connecting sleeve is fixedly connected with the milling drum assembly; therefore, the positions of the connecting sleeve and the connecting shaft are relatively fixed, and the milling drum assembly and the frame are ensured to be relatively stable and fixed.
Preferably, in order to improve the stability of the whole machine, the chassis assembly comprises a left lifting support leg assembly and a right lifting support leg assembly, the left lifting support leg assembly and the right lifting support leg assembly are respectively installed on two sides of the frame, a left support leg transverse adjusting assembly is arranged between the left lifting support leg assembly and the frame, and the right lifting support leg assembly is hinged to the frame.
When the whole machine is transferred to a platform truck, the left lifting support leg assembly extends towards the outer side of the truck frame through the left support leg transverse adjusting assembly, and the left lifting support leg assembly and the right lifting support leg assembly are symmetrically distributed left and right relative to the truck frame, so that the stability of the whole machine is improved; the right lifting support leg assembly is hinged with the frame and can rotate 180 degrees around the fixed shaft, so that the milling drum assembly can be used for milling at the edge, and the performance of the whole machine is improved.
Preferably, in order to realize that left side lift landing leg assembly can outwards move relative to the frame, ensure the reliable connection between left side lift landing leg assembly and the frame simultaneously, left side landing leg horizontal adjustment subassembly includes landing leg regulating plate and frame regulating plate, be equipped with respectively on landing leg regulating plate and the frame regulating plate along vertical direction at least two rows along the at least three rows of connection punch combination of horizontal direction, the hole pitch between two adjacent rows and two adjacent rows on landing leg regulating plate and the frame regulating plate equals, pass the connecting hole through fastening bolt between landing leg regulating plate and the frame regulating plate and connect.
The landing leg regulating plate and the frame regulating plate are in the initial position of the left lifting landing leg assembly when being aligned, when the left lifting landing leg assembly needs to be moved towards the outside, the fastening bolts are removed, the left lifting landing leg assembly is moved to be connected with two adjacent row of hole groups in integral multiple, the connecting hole groups on the landing leg regulating plate and the frame regulating plate are partially overlapped, and the fastening bolts pass through the overlapped connecting hole groups to fix the landing leg regulating plate and the frame regulating plate together.
Preferably, in order to ensure that the left lifting leg assembly can still be effectively connected with the frame in the lateral moving process, the frame adjusting plate is respectively provided with an L-shaped bent plate at the upper part and the lower part, the bent parts of the L-shaped bent plates are oppositely arranged to form a sliding groove along the horizontal direction, and the leg adjusting plate moves in the sliding groove.
Preferably, in order to improve the reliability of connection between the left lifting support leg assembly and the frame in the lateral moving process, at least two same elongated holes are respectively formed in the same positions of the support leg adjusting plate and the frame adjusting plate along the horizontal direction, at least two positioning pins are installed in each elongated hole, and the positioning pins respectively penetrate through the elongated holes in the support leg adjusting plate and the frame adjusting plate.
Preferably, in order to reduce the difficulty of lateral movement adjustment of the left lifting leg assembly, two ends of the transverse adjusting oil cylinder are respectively connected with the left lifting leg assembly and the milling drum assembly.
When the left lifting support leg assembly needs to be extended to the outer side of the frame, the fastening bolt is removed, the limiting plate is installed, the transverse adjusting oil cylinder is extended, one end of the transverse adjusting oil cylinder is connected with the milling drum assembly, the milling drum assembly is fixedly connected with the frame under the action of the limiting plate, the left lifting support leg assembly is movably connected with the frame, the left lifting support leg assembly moves to the outer side of the frame under the action of the transverse adjusting oil cylinder, and the left lifting support leg assembly is connected with the frame through the fastening bolt again after the movement is completed. When the left lifting support leg assembly needs to be restored to the initial state, the operation method is the same as the above, and the oil cylinder is transversely adjusted to be contracted.
Has the advantages that: the utility model can avoid the road surface barrier in the operation process by adjusting the position of the milling drum assembly on the chassis, and the milling position does not need to be relocated again, thereby improving the operation efficiency; meanwhile, the positions of two independently controlled driving rear wheels can be adjusted, the four tires of the tire type milling machine are symmetrically arranged in the transition transportation process, and the stability of the whole machine is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of the whole machine of the present invention;
fig. 2 is an exploded view of the mounting structure of the present invention;
fig. 3 is a simplified exploded view of the present invention;
FIG. 4 is a partial enlarged view of the left leg lateral adjustment assembly of the present invention;
fig. 5 is a schematic structural view of the sliding assembly of the present invention when connected to the milling drum assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 and 2, a chassis adjusting device of a wheeled road milling machine comprises a vehicle frame 1, a milling drum assembly 2 and a chassis assembly 3, wherein the milling drum assembly 2 and the chassis assembly 3 are respectively mounted on the vehicle frame 1; the milling drum assembly 2 is connected with a transverse adjusting assembly 4, and the transverse adjusting assembly 4 drives the milling drum assembly 2 to move left and right relative to the vehicle frame 1 along the transverse direction.
The utility model discloses a horizontal adjustment assembly 4 drive is milled and is milled drum assembly 5 and remove about along the relative frame 1 of transverse direction, can realize avoiding the road surface barrier milling operation in-process, need not to transition again and relocate and mill the plane position, has improved the operating efficiency.
In order to realize that the transverse adjusting assembly 4 can drive the milling drum assembly 2 to move left and right relative to the vehicle frame 1 along the transverse direction, the transverse adjusting assembly 4 comprises a transverse adjusting oil cylinder 41 and a sliding assembly 42, the milling drum assembly 2 is movably connected with the vehicle frame 1 along the transverse direction through the sliding assembly 42, and the transverse adjusting oil cylinder 41 pushes the milling drum assembly 2 to move left and right relative to the vehicle frame 1 along the transverse direction.
As shown in fig. 2 and 5, in order to ensure the laterally movable connection of the milling drum assembly 2 and the vehicle frame 1 and ensure the reliability of the connection, the sliding assembly 42 includes a connecting sleeve 421, a connecting shaft 422 and connecting blocks 423, the connecting sleeve 421 is fixedly connected with the milling drum assembly 2, the connecting shaft 422 is fixedly connected with the vehicle frame 1 along the lateral direction through the connecting blocks 423 at both ends, the connecting sleeve 421 is sleeved on the connecting shaft 422, and the lateral adjustment cylinder 41 pushes the milling drum assembly 2 to move along the connecting shaft 422.
As shown in fig. 2, in order to ensure that the positions of the milling drum assembly 2 and the frame 1 are relatively stable and fixed during normal operation of the milling machine, limiting plates 43 are respectively disposed on two sides of the milling drum assembly 2, the limiting plates 43 are respectively detachably mounted on the outer side of the milling drum assembly 2, and the connecting blocks 423 at two ends of the connecting shaft 422 are located between the limiting plates 43 on two sides of the milling drum assembly 2.
The connecting blocks 423 at two ends of the connecting shaft 422 are located between the limiting plates 43 at two sides of the milling drum assembly 2, and since the limiting plates 43 are fixedly connected with the milling drum assembly 2, and the connecting sleeve 421 is fixedly connected with the milling drum assembly 2; therefore, the positions of the connecting sleeve 421 and the connecting shaft 422 are relatively fixed, and the position between the milling drum assembly 2 and the frame 1 is ensured to be relatively stable and fixed.
As shown in fig. 2 and 3, in order to improve the stability of the whole machine, the chassis assembly 3 includes a left lifting leg assembly 31 and a right lifting leg assembly 32, the left lifting leg assembly 31 and the right lifting leg assembly 32 are respectively installed on two sides of the frame 1, a left leg transverse adjusting assembly 33 is arranged between the left lifting leg assembly 31 and the frame 1, and the right lifting leg assembly 32 is hinged to the frame 1.
When the whole machine is transferred to a platform truck, the left lifting support leg assembly 31 is extended towards the outer side of the frame 1 through the left support leg transverse adjusting assembly 33, and the left lifting support leg assembly 31 and the right lifting support leg assembly 32 are distributed in bilateral symmetry relative to the frame 1, so that the stability of the whole machine is improved; the right lifting support leg assembly 32 is hinged to the frame 1 and can rotate 180 degrees around the fixed shaft, so that the milling drum assembly 2 can be used for milling at a welt, and the performance of the whole machine is improved.
As shown in fig. 2, 3 and 4, in order to realize that the left lifting leg assembly 31 can move outwards relative to the vehicle frame 1 and ensure the reliable connection between the left lifting leg assembly 31 and the vehicle frame 1, the left leg lateral adjusting assembly 33 comprises a leg adjusting plate 331 and a frame adjusting plate 332, at least two rows of at least three rows of connecting hole sets along the horizontal direction are respectively arranged on the leg adjusting plate 331 and the frame adjusting plate 332, the hole distances between two adjacent rows and two adjacent rows on the leg adjusting plate 331 and the frame adjusting plate 332 are equal, and the leg adjusting plate 331 and the frame adjusting plate 332 are connected through the connecting holes by fastening bolts.
The right-to-right alignment of the leg adjusting plate 331 and the frame adjusting plate 332 is the initial position of the left lifting leg assembly 31, when the left lifting leg assembly 31 needs to be moved to the outside, the fastening bolts are removed, the left lifting leg assembly 31 is moved to the integral multiple of the hole distance between two adjacent rows of the connecting hole groups, the connecting hole groups on the leg adjusting plate 331 and the frame adjusting plate 332 are partially overlapped, and the leg adjusting plate 331 and the frame adjusting plate 332 are fixed together by penetrating the overlapping connecting hole groups through the fastening bolts.
In order to ensure that the left lifting leg assembly 31 can still be effectively connected with the frame 1 during the lateral movement process, the frame adjusting plate 332 is respectively provided with an "L" -shaped bent plate 333 at the upper part and the lower part, the bent part of the "L" -shaped bent plate 333 is oppositely arranged to form a sliding groove along the horizontal direction, and the leg adjusting plate 331 moves in the sliding groove.
In order to improve the reliability of the connection between the left lifting leg assembly 31 and the frame 1 during the lateral movement process, at least two identical elongated holes 334 are respectively arranged at the same positions on the leg adjusting plate 331 and the frame adjusting plate 332 along the horizontal direction, at least two positioning pins 335 are installed in each elongated hole 334, and the positioning pins 335 respectively penetrate through the elongated holes 334 on the leg adjusting plate 331 and the frame adjusting plate 332.
As shown in fig. 2, in order to reduce the difficulty of lateral movement adjustment of the left lifting leg assembly 31, two ends of the lateral adjustment cylinder 41 are respectively connected to the left lifting leg assembly 31 and the milling drum assembly 2.
When the left lifting leg assembly 31 needs to be extended to the outer side of the vehicle frame 1, the fastening bolt is removed, the limiting plate 43 is installed, the transverse adjusting cylinder 41 is extended, because one end of the transverse adjusting cylinder 41 is connected with the milling drum assembly 2, at the moment, the milling drum assembly 2 is fixedly connected with the vehicle frame 1 under the action of the limiting plate 43, the left lifting leg assembly 31 is movably connected with the vehicle frame 1, the left lifting leg assembly 31 moves to the outer side of the vehicle frame 1 under the action of the transverse adjusting cylinder 41, and after the movement is completed, the left lifting leg assembly 31 is connected with the vehicle frame 1 through the fastening bolt again. When the left lifting leg assembly 31 needs to be restored to the initial state, the operation method is the same as above, and the transverse adjusting cylinder 41 is retracted.
The utility model can avoid the road surface barrier in the operation process by adjusting the position of the milling drum assembly 1 on the chassis 3, and the milling position does not need to be relocated again, thereby improving the operation efficiency; meanwhile, the positions of two independently controlled driving rear wheels can be adjusted, the four tires of the tire type milling machine are symmetrically arranged in the transition transportation process, and the stability of the whole machine is improved.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed in the embodiment corresponds to the method disclosed in the embodiment, so that the description is simple, and the relevant points can be referred to the description of the method part.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A chassis adjusting device of a wheeled pavement milling machine comprises a frame (1), a milling drum assembly (2) and a chassis assembly (3), wherein the milling drum assembly (2) and the chassis assembly (3) are respectively installed on the frame (1); the method is characterized in that: the milling drum assembly (2) is connected with a transverse adjusting assembly (4), and the transverse adjusting assembly (4) drives the milling drum assembly (2) to move left and right relative to the frame (1) along the transverse direction.
2. The chassis adjustment device for a wheeled road milling machine as claimed in claim 1, wherein: the transverse adjusting assembly (4) comprises a transverse adjusting oil cylinder (41) and a sliding assembly (42), the milling drum assembly (2) is movably connected with the frame (1) along the transverse direction through the sliding assembly (42), and the transverse adjusting oil cylinder (41) pushes the milling drum assembly (2) to move left and right along the transverse direction relative to the frame (1).
3. The wheeled road milling machine chassis adjustment device of claim 2, wherein: sliding assembly (42) are including connecting sleeve (421), connecting axle (422) and connecting block (423), connecting sleeve (421) with mill and dig drum assembly (2) fixed connection, connecting axle (422) are through connecting block (423) and frame (1) at both ends along transverse direction fixed connection, connecting sleeve (421) suit is on connecting axle (422), horizontal adjusting cylinder (41) promote to mill and dig drum assembly (2) and remove along connecting axle (422).
4. The chassis adjustment device for a wheeled road milling machine as claimed in claim 3, wherein: milling and planing drum assembly (2) both sides and being equipped with limiting plate (43) respectively, limiting plate (43) are detachable the installation respectively and are milled and plane drum assembly (2) the outside, connecting block (423) at connecting axle (422) both ends are located between limiting plate (43) of milling and planing drum assembly (2) both sides.
5. The chassis adjustment device for a wheeled road milling machine according to claim 1 or 4, wherein: chassis assembly (3) include left side lift landing leg assembly (31) and right side lift landing leg assembly (32), install respectively in frame (1) both sides left side lift landing leg assembly (31) and right side lift landing leg assembly (32), be equipped with left branch leg horizontal adjusting part (33) between left side lift landing leg assembly (31) and frame (1), right side lift landing leg assembly (32) are articulated with frame (1).
6. The chassis adjustment device for a wheeled road milling machine as claimed in claim 5, wherein: left side landing leg transversely adjusts subassembly (33) and includes landing leg regulating plate (331) and frame regulating plate (332), be equipped with respectively on landing leg regulating plate (331) and frame regulating plate (332) along vertical direction at least two rows along the at least three rows of connecting hole group of horizontal direction, the hole distance between adjacent two rows and adjacent two is equal on landing leg regulating plate (331) and frame regulating plate (332), pass the connecting hole through fastening bolt between landing leg regulating plate (331) and frame regulating plate (332) and connect.
7. The wheeled road milling machine chassis adjustment device of claim 6, wherein: the frame adjusting plate (332) is provided with an L-shaped bending plate (333) from top to bottom, the bending part of the L-shaped bending plate (333) is arranged oppositely to form a sliding groove along the horizontal direction, and the supporting leg adjusting plate (331) moves in the sliding groove.
8. Chassis adjustment device of a wheeled road milling machine according to claim 6 or 7, characterized in that: the landing leg regulating plate (331) and frame regulating plate (332) go up the same position and are equipped with two at least the same elongated hole (334) respectively along the horizontal direction, install two stop pin (335) in every elongated hole (334) at least, stop pin (335) run through elongated hole (334) on landing leg regulating plate (331) and frame regulating plate (332) respectively.
9. The wheeled road milling machine chassis adjustment device of claim 5, wherein: and two ends of the transverse adjusting oil cylinder (41) are respectively connected with the left lifting support leg assembly (31) and the milling drum assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221089590.6U CN217298568U (en) | 2022-05-09 | 2022-05-09 | Chassis adjusting device of wheeled pavement milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221089590.6U CN217298568U (en) | 2022-05-09 | 2022-05-09 | Chassis adjusting device of wheeled pavement milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217298568U true CN217298568U (en) | 2022-08-26 |
Family
ID=82916315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221089590.6U Active CN217298568U (en) | 2022-05-09 | 2022-05-09 | Chassis adjusting device of wheeled pavement milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217298568U (en) |
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2022
- 2022-05-09 CN CN202221089590.6U patent/CN217298568U/en active Active
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