Synchronous transmission mechanism of oscillating wheel, oscillating wheel and oscillating road roller

Abstract

The invention relates to the technical field of road engineering machinery, and discloses a synchronous transmission mechanism of an oscillation wheel, which comprises a driving part and an excitation area, the driving part is an oscillation motor, the excitation area is separated from the driving part, and the excitation area comprises a transmission bin and an excitation bin. The oscillating motor is connected with the middle transmission shaft through the spline housing, and the middle transmission shaft is rotationally arranged on the central axis of the transmission bin. The shock excitation transmission shaft is arranged in the shock excitation bin and connected with the middle transmission shaft through a transmission piece, and the transmission piece is connected with the middle transmission shaft in a belt transmission mode. The vibration excitation transmission shaft comprises a long vibration excitation shaft and a short vibration excitation shaft, and the positions of the long vibration excitation shaft and the short vibration excitation shaft are staggered and symmetrically arranged. Transmission parts are concentrated in the transmission bin on the oscillation side, and maintenance is convenient; in addition, the invention also provides an oscillating wheel based on the mechanism and an oscillating road roller thereof.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of road engineering machinery, in particular to a synchronous transmission mechanism of an oscillating wheel, an oscillating wheel and an oscillating road roller. BACKGROUND

[0002] In recent years, the oscillating road roller has made up for the defects of the oscillating road roller in road construction with new compaction principles and mechanical structures, and has been widely used in more and more construction scenes, such as bridge and tunnel construction, joint and thin layer road construction and vibration and noise sensitive area construction.

[0003] The oscillating wheel of the oscillating road roller is arranged with two eccentric shafts which are axisymmetric, have equal static eccentric moments and a phase angle difference of 180°, and synchronously rotates in the same direction under the driving of a synchronous belt, thereby generating a periodic torque around the center of the steel wheel, so as to form an oscillation wave in the front and rear directions and realize the compaction of the road surface.

[0004] Based on the oscillation compaction principle, the synchronous transmission mechanism is a core component for the oscillating wheel to realize the oscillation function, and has a complex structure. Currently, there are generally problems of inconvenient maintenance, influence on construction efficiency and increase of operation cost, which restricts the development of the oscillating road roller. SUMMARY

[0005] The technical purpose to be achieved by the present application is to provide a synchronous transmission mechanism of an oscillating wheel, an oscillating wheel and an oscillating road roller, so as to improve the maintenance convenience of the synchronous transmission mechanism and thereby improve the construction efficiency of the oscillating road roller and reduce the operation cost.

[0006] In order to achieve the above technical purpose, the present application provides the following technical scheme: The synchronous transmission mechanism of the oscillating wheel provided by the present application comprises a driving member and an excitation zone, the driving member is used for providing driving force, the excitation zone is divided into a transmission bin and an excitation bin, the driving member is installed on the outside of the excitation zone, the excitation bin is adjacent to the transmission bin and is separated from the transmission bin by a mounting plate; Preferably, the driving member is an oscillation motor, an intermediate transmission shaft, an excitation transmission shaft and a transmission member are installed in the transmission bin, the driving end of the oscillation motor is connected with the intermediate transmission shaft, the intermediate transmission shaft is rotationally arranged at the center axis of the transmission bin; Preferably, the excitation transmission shaft passes through the transmission bin and is arranged in the excitation bin, the excitation transmission shaft is connected with the intermediate transmission shaft through the transmission member, and the transmission mode of the transmission member is belt transmission; Specifically, the excitation transmission shaft comprises a long excitation shaft and a short excitation shaft, the positions of the transmission members installed on the long excitation shaft and the short excitation shaft are staggered with each other, and the long excitation shaft and the short excitation shaft are symmetrically arranged around the intermediate transmission shaft.

[0007] Further, the transmission member comprises a transmission pulley, a synchronous belt and a tension pulley, the transmission pulleys are arranged in pairs on the intermediate transmission shaft and the excitation transmission shaft respectively, and the two transmission pulleys are connected by the synchronous belt in the middle; the tension pulley is in contact with the synchronous belt and is used for adjusting the tightness of the synchronous belt. Preferably, the synchronous belt on the long excitation shaft is parallel to the synchronous belt on the short excitation shaft but does not coincide with the synchronous belt.

[0008] Further, the transmission member further comprises a pulley pressing plate, which is arranged on the end face of the transmission pulley and is connected with the excitation transmission shaft. Preferably, the inner side of the pulley pressing plate is provided with a square pressing plate groove; the front end of the excitation transmission shaft is provided with a pressing plate platform, the end face of the pressing plate platform is square and matches the pressing plate groove; the pulley pressing plate is arranged on the excitation transmission shaft through the pressing plate platform and limits the transmission pulley in the axial and radial directions.

[0009] Further preferably, the rear end of the pressing plate platform on the excitation transmission shaft is provided with a mounting platform, the axial side of the mounting platform is a conical surface; the inner side of the transmission pulley is provided with a conical mounting hole; the mounting hole and the mounting platform are matched with each other for mounting.

[0010] Further preferably, the outer side of the pulley pressing plate and the side close to the transmission pulley are provided with a dismounting chamfer, the dismounting chamfer is a 45-degree bevel.

[0011] Preferably, the end faces of the transmission pulley and the excitation transmission shaft are both provided with a plurality of phase indication holes arranged in a circle, and the phase indication holes on the transmission pulley and the excitation transmission shaft correspond to each other one by one.

[0012] The application further provides an oscillating wheel comprising the synchronous transmission mechanism of the oscillating wheel.

[0013] The application further provides an oscillating roller comprising the synchronous transmission mechanism of the oscillating wheel.

[0014] The application has the following beneficial effects: 1. The transmission compartment and the excitation compartment are arranged separately, and the main parts of the synchronous transmission mechanism are arranged in the transmission compartment, so that the modular installation of the driving transmission and the excitation output is realized. Further, the power transmission path between the driving end and the excitation end is more compact and concentrated, the synchronous transmission precision is ensured, and the problems such as complex disassembly and assembly and difficult centering caused by the arrangement of the existing technology are avoided, so that the maintenance convenience and the overall reliability of the equipment are significantly improved.

[0015] 2. The synchronous pulley of the present application adopts a conical surface matching structure with the excitation transmission shaft, and the matching between the inner hole of the pulley and the conical surface on the shaft realizes centering and transmission, so that the pulley can be stably positioned in the axial and radial directions. Compared with the traditional key groove matching, the conical surface matching avoids the weakening of the structure of the shaft and the pulley caused by key groove machining, and at the same time realizes impact-free assembly, reduces the damage of assembly knocking to the bearing, and thus improves the structural strength and assembly reliability of the transmission assembly.

[0016] 3. The disassembly chamfer is arranged on the outside of the pulley pressing plate, and the phase indicating hole is arranged on the transmission pulley and the excitation transmission shaft, so that the transmission assembly is more intuitive and convenient during installation, maintenance and phase calibration. The design of the disassembly chamfer reduces the disassembly resistance and prevents the pressing plate from being stuck; the arrangement of the phase indicating hole helps to quickly confirm the phase position between the excitation shafts, realizes high-precision phase matching, and further improves the maintenance efficiency and operation stability of the oscillation mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the description of the specific embodiments or the prior art. Obviously, the drawings described below are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0018] The above and other aspects of the present application will now be described, by way of example only, with reference to the accompanying drawings in which: Figure 1 is a schematic diagram of the overall structure provided by the embodiment of the present application; Figure 2 is a schematic diagram of the synchronous transmission mechanism provided by the embodiment of the present application; Figure 3 is a schematic diagram of the structure of the transmission pulley provided by the embodiment of the present application; Figure 4 is a schematic diagram of the structure of the excitation transmission shaft provided by the embodiment of the present application; Figure 5 is a schematic diagram of the structure of the pulley pressing plate provided by the embodiment of the present application.

[0019] In the drawings: 1, driving member; 2, transmission chamber; 3, excitation chamber; 4, intermediate transmission shaft; 41, spline sleeve; 5, excitation transmission shaft; 51, long excitation shaft; 52, short excitation shaft; 53, pressing plate table; 54, mounting table; 6, transmission member; 61, transmission pulley; 62, synchronous belt; 63, tension pulley; 631, adjusting sliding table; 64, pulley pressing plate; 65, pressing plate groove; 66, mounting hole; 67, disassembly chamfer; 7, phase indicating hole. DETAILED DESCRIPTION

[0020] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in combination with the drawings of the specification and specific embodiments.

[0021] Embodiment one: The embodiment provides a synchronous transmission mechanism of an oscillating wheel, which comprises a driving part 1 and an excitation area, the driving part 1 is used for providing driving force, the excitation area is separated from the driving part 1, the excitation area is divided into a transmission bin 2 and an excitation bin 3, the excitation bin is adjacent to the transmission bin and is separated from the transmission bin through a mounting plate, the driving part 1 is mounted on the outer mounting plate of the transmission bin 2, and the excitation bin is used for mounting an excitation execution assembly; the synchronous transmission mechanism of the embodiment further comprises an intermediate transmission shaft 4, an excitation transmission shaft 5 and a transmission part 6.

[0022] The driving part 1 is specifically an oscillating motor, a driving end of the oscillating motor is connected with the intermediate transmission shaft 4 through a spline sleeve 41, and the intermediate transmission shaft 4 is rotationally arranged on the central axis of the transmission bin 2. The excitation transmission shaft 5 is symmetrically arranged around the intermediate transmission shaft 4, one end of the excitation transmission shaft 5 is located in the transmission bin 2 and connected with the intermediate transmission shaft 4 through the transmission part 6, and the transmission mode of the transmission part 6 is belt transmission; the other end of the excitation transmission shaft 5 passes through the mounting plate on one side of the excitation bin 3 and is arranged in the excitation bin 3, the excitation transmission shaft 5 is transmissionally connected with the excitation execution assembly in the excitation bin 3 and is used for providing excitation force for the excitation bin 3.

[0023] The excitation transmission shaft 5 comprises a long excitation shaft 51 and a short excitation shaft 52, the positions of the long excitation shaft 51 and the short excitation shaft 52 on which the transmission part 6 is mounted are staggered with each other, and the two excitation shafts are symmetrically arranged around the axis of the intermediate transmission shaft 4, so that the intermediate transmission shaft 4 synchronously drives the long excitation shaft 51 and the short excitation shaft 52 in the same direction.

[0024] The oscillating motor is used as a power source, transmits power to the intermediate transmission shaft 4 through the spline sleeve 41, the intermediate transmission shaft 4 drives the long excitation shaft 51 and the short excitation shaft 52 to synchronously rotate through the transmission part 6, the long excitation shaft 51 and the short excitation shaft 52 are both transmissionally connected with the excitation execution assembly in the excitation bin 3, and the excitation execution assembly is used for realizing the oscillating road rolling function.

[0025] The embodiment is designed through a belt cabin type structure, the transmission bin 2 is separated from the excitation bin 3, main transmission parts are all arranged in the transmission bin 2 of the excitation area, the transmission path is short and the structure is compact, maintenance and replacement are facilitated, the driving end assembly does not need to be disassembled during maintenance, and the maintenance efficiency and equipment availability are improved.

[0026] The transmission member 6 comprises a transmission pulley 61, a synchronous belt 62 and a tension pulley 63. The transmission pulleys 61 are arranged in pairs, respectively mounted on the intermediate transmission shaft 4 and the long and short excitation shafts 51 and 52, and connected by the synchronous belt 62. The synchronous belts 62 on the long and short excitation shafts 51 and 52 are arranged in parallel and do not overlap, avoiding mutual interference. The tension pulley 63 is in contact with the synchronous belt 62, fixed on the mounting plate on the side of the excitation bin 3 through an adjusting sliding table 631. The adjusting sliding table 631 is provided with a long circular hole to adjust the tension of the synchronous belt 62, so as to ensure that the synchronous belt 62 maintains appropriate tension during operation, thereby improving the precision and stability of synchronous transmission.

[0027] Through the above structure, the whole synchronous transmission mechanism forms a centralized layout. The oscillating motor drives the two excitation shafts to rotate synchronously through the intermediate transmission shaft 4 and the synchronous belt 62, realizes the stability and consistency of the oscillating wheel vibration output, and ensures the uniformity and reliability of the vibration during the operation of the road roller.

[0028] Embodiment two: On the basis of embodiment one, the structure of the transmission member 6 is further improved to make the synchronous transmission mechanism more stable and convenient to assemble, disassemble and maintain. The transmission pulley 61 in the transmission member 6 is mounted on the end face of the excitation shaft and fixed through a pulley pressing plate 64. The inner side of the pulley pressing plate 64 is provided with a square pressing plate groove 65. The front end of the excitation shaft is provided with a square pressing plate table 53 which cooperates with the pressing plate groove 65 to realize reliable limiting of the transmission pulley 61 in the axial and radial directions and prevent the pulley from moving. A 45° dismounting chamfer 67 is arranged on the outer side of the pulley pressing plate 64 close to the pulley side. When assembling or disassembling, the dismounting chamfer 67 can be used as a force point to facilitate the dismounting of the pulley pressing plate 64 and the transmission pulley 61, avoid damage caused by direct contact of tools with the pulley, and improve the maintenance efficiency.

[0029] In this embodiment, the outer circular side of the pulley pressing plate 64 is provided with edges for the wrench to apply force. Specifically, a pair of parallel cutting surfaces are arranged.

[0030] The excitation shaft is provided with a mounting table 54 at the rear end of the pressing plate table 53. The axial side of the mounting table 54 is a conical surface, and the pulley inner hole is correspondingly provided with a conical mounting hole 66 which is in interference fit with the mounting table 54 to realize high-precision centering and torque transmission of the transmission pulley 61, avoid weakening of the structure strength of the shaft body by key grooves, reduce the influence of knocking assembly on bearings, and improve the structure strength and durability. The transmission pulley 61 and the end face of the excitation shaft are both circumferentially arranged with phase indicating holes 7. The positions of the phase indicating holes 7 of the transmission pulley 61 and the excitation transmission shaft 5 correspond one by one. When assembling, the phase indicating holes 7 are aligned to ensure synchronous rotation of the excitation transmission shaft 5, realize phase consistency of the oscillating wheel vibration output, and ensure vibration stability of the equipment and uniformity of the compaction effect.

[0031] In this embodiment, through the taper surface cooperation, the pulley pressing plate 64 and the disassembly chamfer 67, and the setting of the phase indicating hole 7, the transmission system has high reliability, convenience and stability in assembly, maintenance and operation. The centralized layout with the cabin combined with the synchronous belt 62 transmission realizes the efficient vibration output of the oscillating wheel, ensuring that the vibratory roller vibrates uniformly during operation, has high operation efficiency and is convenient to maintain.

[0032] Embodiment three: The embodiment provides an oscillating wheel and a vibratory roller, adopts the synchronous transmission mechanism in the above-mentioned embodiments one and two; meanwhile, the oscillating wheel of the embodiment can also be applied to the vibratory roller; the embodiment needs to be explained that any oscillating wheel or vibratory roller adopting the synchronous transmission mechanism of the oscillating wheel in the embodiments one and two should fall into the embodiment.

[0033] The description herein has been provided so that those of ordinary skill in the art can make and use the disclosure. Various modifications to the disclosure will be readily apparent to those of ordinary skill in the art, and the general principles defined herein can be applied to other variations without departing from the scope of the disclosure. Thus, the disclosure is not to be limited to the examples and designs described herein but is to be accorded the broadest scope consistent with the principles and novel features disclosed herein.

[0034] While one or more exemplary embodiments of the disclosure have been described with reference to the accompanying drawings, it is to be understood that the ordinary skilled person in the art will be able to make various changes and modifications to the form and details of the disclosure without departing from the spirit and scope of the disclosure as defined by the appended claims.

[0035] The above description is merely illustrative of the disclosure and as such can incorporate any modifications to the application that one of ordinary skill in the art can make using the detail and concepts disclosed herein. The term "comprising" is not to be construed as limiting the application to the specific examples disclosed in the specification. Rather, the scope of the application is to be determined solely by the appended claims, viewed in the light of the specification.

Claims

1. A synchronous transmission mechanism for an oscillating wheel, comprising a driving member (1) and an excitation zone (2), wherein the driving member (1) is mounted on the outside of the excitation zone (2); the excitation zone (2) is divided into a transmission chamber (21) and an excitation chamber (22); characterized in that, The excitation chamber (22) is adjacent to the transmission chamber (21) and separated from each other by a mounting plate. The excitation chamber (22) is used to install the excitation actuator. The driving component (1) is an oscillating motor, which is installed on the outside of the transmission chamber (21); the transmission chamber (21) is equipped with an intermediate transmission shaft (4), an excitation transmission shaft (5) and a transmission component (6); the driving end of the oscillating motor is connected to the intermediate transmission shaft (4); the intermediate transmission shaft (4) is rotatably located at the central axis of the transmission chamber (21); The excitation drive shaft (5) passes through the mounting plate of the transmission chamber (21) and is installed inside the excitation chamber (22) to provide excitation force; the excitation drive shaft (5) is connected to the intermediate drive shaft (4) through the transmission component (6); the transmission method of the transmission component (6) is belt drive; The excitation drive shaft (5) includes a long excitation shaft (51) and a short excitation shaft (52). The positions of the transmission components (6) installed on the long excitation shaft (51) and the short excitation shaft (52) are staggered. The long excitation shaft (51) and the short excitation shaft (52) are symmetrically arranged around the intermediate drive shaft (4).

2. The synchronous transmission mechanism of the oscillating wheel according to claim 1, characterized in that: The transmission component (6) includes a transmission pulley (61), a synchronous belt (62), and a tensioning pulley (63). The transmission pulleys (61) are arranged in pairs and are respectively installed on the intermediate transmission shaft (4) and the excitation transmission shaft (5). The two transmission pulleys (61) are connected by the synchronous belt (62). The tensioning pulley (63) is in contact with the synchronous belt (62) and is used to adjust the tension of the synchronous belt (62). The synchronous belt (62) on the long excitation shaft (51) and the synchronous belt (62) on the short excitation shaft (52) are parallel to each other but do not overlap.

3. The synchronous transmission mechanism of the oscillating wheel according to claim 2, characterized in that, The transmission component (6) also includes a pulley pressure plate (64), which is installed on the end face of the transmission pulley (61) and connected to the excitation transmission shaft (5); The inner side of the pulley pressure plate (64) is provided with a square pressure plate groove (65); the front end of the excitation drive shaft (5) is provided with a pressure plate platform (53), the end face of the pressure plate platform (53) is square and cooperates with the pressure plate groove (65); the pulley pressure plate (64) is installed on the excitation drive shaft (5) through the pressure plate platform (53) and limits the axial and radial movement of the drive pulley (61).

4. The synchronous transmission mechanism of the oscillating wheel according to claim 3, characterized in that: The vibration drive shaft (5) is provided with a mounting platform (54) at the rear end of the pressure plate (53). The axial side of the mounting platform (54) is a conical surface. The inner side of the drive pulley (61) is provided with a mounting hole (66) with a conical surface. The mounting hole (66) and the mounting platform (54) are installed together.

5. The synchronous transmission mechanism of the oscillating wheel according to claim 3, characterized in that: The outer side of the pulley pressure plate (64) and the side near the transmission pulley (61) is provided with a disassembly chamfer (67), which is a 45-degree chamfer.

6. The synchronous transmission mechanism of the oscillating wheel according to claim 2, characterized in that: The end faces of the transmission pulley (61) and the excitation transmission shaft (5) are both provided with a plurality of phase indicator holes (7) arranged in a circumferential array, and the positions of the phase indicator holes (7) on the transmission pulley (61) and the excitation transmission shaft (5) correspond one-to-one.

7. An oscillating wheel, characterized in that: The synchronous transmission mechanism includes the oscillating wheel as described in any one of claims 1-6.

8. A vibratory roller, characterized in that: The synchronous transmission mechanism includes the oscillating wheel as described in claim 7.

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