CN215629169U - Spreading machine - Google Patents
Spreading machine Download PDFInfo
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- CN215629169U CN215629169U CN202121883367.4U CN202121883367U CN215629169U CN 215629169 U CN215629169 U CN 215629169U CN 202121883367 U CN202121883367 U CN 202121883367U CN 215629169 U CN215629169 U CN 215629169U
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- crawler
- paver
- type travelling
- wheel
- travelling mechanism
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Abstract
The utility model provides a paver, comprising: the device comprises a machine body, an ironing plate arranged at the rear side of the machine body, a wheel type travelling mechanism, a crawler type travelling mechanism and a lifting mechanism; the crawler-type walking mechanism is fixedly connected with the machine body; the wheel type walking mechanism is movably connected with the machine body through a lifting mechanism. The paver comprises a wheel type travelling mechanism and a crawler type travelling mechanism, wherein the wheel type travelling mechanism is movably connected with a machine body through a lifting mechanism, when the wheel type travelling mechanism is required to be used, the wheel type travelling mechanism is lowered through the lifting mechanism, when the wheel type travelling mechanism is not required to be used, the wheel type travelling mechanism is lifted through the lifting mechanism, so that the paver can be flexibly switched between two structural forms of the crawler type travelling paver and the tire type travelling paver according to the requirement, the crawler type travelling mechanism is adopted when the paver works, the requirements of construction quality and construction efficiency are met, and the tire type travelling mechanism is adopted when the paver is transferred, so that the requirements of transfer speed and economic benefit are met.
Description
Technical Field
The utility model relates to the technical field of pavement machinery, in particular to a paver.
Background
The paver is construction equipment widely used for paving base course and surface layer materials of municipal roads, urban roads and various grades of roads, and belongs to the field of road surface machinery of road building machinery. The structure of the paver mainly comprises a walking system, a hydraulic system, a material conveying and distributing system and the like, all systems are matched with each other to work, the existing pavers at home and abroad are mainly divided into a stabilized soil paver and an asphalt concrete paver which are respectively used for paving base layers and surface layer materials, and the existing pavers can be divided into two categories according to the walking modes, namely a crawler-type walking paver and a tire-type walking paver.
The crawler-type walking paver can ensure the stable walking and stable speed of the paver due to the larger grounding area of the crawler-type walking mechanism, thereby ensuring the construction quality, and the crawler-type walking paver is suitable for all types of pavers, such as large, medium and small pavers, but the crawler-type walking paver has low running speed and high requirement on the pavement evenness, and the transition of the crawler-type walking paver needs to be carried out by means of a platform trailer, so that the use cost of equipment is greatly improved, and particularly the rapid transition in a small range within several kilometers. The tire type walking paver can provide higher walking speed, can solve the problem of slow walking, and the tire type walking paver has low requirement on the flatness of a road surface, can directly move by itself during transition, does not need trailer transportation, thereby saving cost and time and being very practical, but the construction quality of the tire type walking paver is not good as a crawler type walking paver, the length of an ironing plate is short, and the working capacity and the construction efficiency of the tire type walking paver are limited.
SUMMERY OF THE UTILITY MODEL
In view of the deficiencies of the prior art, the present invention provides a paving machine to solve or improve at least one technical problem of the paving machine in the background art.
An embodiment of the present invention provides a paver, including: the device comprises a machine body, an ironing plate arranged at the rear side of the machine body, a wheel type travelling mechanism, a crawler type travelling mechanism and a lifting mechanism; the crawler-type travelling mechanism is fixedly connected with the machine body; the wheel type walking mechanism is movably connected with the machine body through a lifting mechanism.
According to the paver provided by the utility model, the wheel type travelling mechanism comprises a front wheel assembly and a rear wheel assembly, the front wheel assembly is positioned at the front side of the crawler type travelling mechanism, and the rear wheel assembly is positioned at the rear side of the crawler type travelling mechanism.
According to the paver of one embodiment of the present invention, the rear wheel assembly is located between the crawler-type traveling mechanism and the screed plate.
According to one embodiment of the paving machine, the radial dimension of the tires of the front wheel assembly is smaller than the radial dimension of the tires of the rear wheel assembly.
According to the paver provided by the embodiment of the utility model, the front wheel assembly comprises a left front wheel, a right front wheel, two connecting plates and a transverse pull rod, wherein the two connecting plates are respectively arranged on the left side and the right side of the paver body and are connected through the transverse pull rod, one connecting plate of the two connecting plates is in rotating connection with the left front wheel, and the other connecting plate is in rotating connection with the right front wheel.
According to the paver provided by the embodiment of the utility model, the lifting mechanism comprises a lifting cylinder, one end of the lifting cylinder is connected with the machine body, and the other end of the lifting cylinder is connected with the connecting plate.
According to the paver provided by the embodiment of the utility model, the rear wheel assembly comprises a left rear wheel, a transmission device, a drive axle and a right rear wheel, wherein the left rear wheel and the right rear wheel are respectively arranged at the left side and the right side of the paver body and are connected with the drive axle through the transmission device.
According to the paver provided by the embodiment of the utility model, the lifting mechanism comprises a lifting cylinder, one end of the lifting cylinder is connected with the machine body, and the other end of the lifting cylinder is connected with the drive axle.
The paver according to one embodiment of the utility model further comprises an input device and a control device, wherein the input device is connected with the control device, and the control device is connected with the lifting mechanism.
According to one embodiment of the paver provided by the utility model, the crawler type travelling mechanism comprises a left crawler type travelling mechanism and a right crawler type travelling mechanism, the left crawler type travelling mechanism and the right crawler type travelling mechanism are respectively arranged on the left side and the right side of the machine body, the left crawler type travelling mechanism comprises a left crawler belt, a driving wheel, an installation plate and a crawler frame body, the right crawler type travelling mechanism comprises a right crawler belt, a driving wheel, an installation plate and a crawler frame body, the driving wheel and the installation plate are arranged on the crawler frame body, the left crawler belt is wound on the crawler frame body of the left crawler type travelling mechanism, and the right crawler belt is wound on the crawler frame body of the right crawler type travelling mechanism.
The paver comprises a wheel type travelling mechanism and a crawler type travelling mechanism, wherein the wheel type travelling mechanism is movably connected with the machine body through a lifting mechanism, when the wheel type travelling mechanism is required to be used, the wheel type travelling mechanism is lowered through the lifting mechanism, when the wheel type travelling mechanism is not required to be used, the wheel type travelling mechanism is lifted through the lifting mechanism, so that the paver can be flexibly switched between two structural forms of the crawler type travelling paver and the tire type travelling paver according to the requirement, the crawler type travelling mechanism is adopted when the paver works, the requirements of construction quality and construction efficiency are met, and the tire type travelling mechanism is adopted when the paver is transferred, so that the requirements of transfer speed and economic benefit are met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a paver when the wheel type travelling mechanism is lifted.
Fig. 2 is a schematic structural diagram of the paver when the wheel type travelling mechanism is lowered.
Fig. 3 is a schematic structural diagram of a crawler-type traveling mechanism of the paver.
Fig. 4 is a schematic structural view of a front wheel assembly of the paving machine.
Fig. 5 is a schematic structural view of a rear wheel assembly of the paving machine.
Reference numerals:
1. a body; 2. A screed plate; 3. A crawler-type traveling mechanism;
4. a front wheel assembly; 5. A rear wheel assembly; 6. A left front wheel;
7. a right front wheel; 8. A connecting plate; 9. A tie rod;
10. a lift cylinder; 11. A left rear wheel; 12. A transmission device;
13. a drive axle; 14. A right rear wheel; 15. A lift cylinder;
16. a left track; 17. A drive wheel; 18. Mounting a plate;
19. a track frame body; 20. And a right crawler belt.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the embodiments of the present application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or may alternatively include other components or elements inherent to such process, method, article, or apparatus.
Referring to fig. 1 to 5, the present invention provides a paver, which includes a body 1, a screed 2 disposed at the rear side of the body 1, a wheel-type traveling mechanism, a crawler-type traveling mechanism 3, and a lifting mechanism, wherein the screed 2 is installed at the rear of the body 1 and connected to the body 1. The crawler-type traveling mechanism 3 is fixedly connected with the machine body 1. The wheel type travelling mechanism is movably connected with the machine body 1 through a lifting mechanism, and the lifting mechanism is used for driving the wheel type travelling mechanism to move up and down relative to the machine body 1.
The crawler-type traveling mechanism 3 may be rigidly connected to the body 1, and specifically, optionally, as shown in fig. 3, the crawler-type traveling mechanism 3 includes a left crawler-type traveling mechanism and a right crawler-type traveling mechanism. The left crawler travel mechanism and the right crawler travel mechanism are respectively arranged at the left side and the right side of the machine body 1. The left crawler traveling mechanism comprises a left crawler 16, a driving wheel 17, an installation plate 18, a crawler frame body 19 and the like, wherein the driving wheel 17 and the installation plate 18 are installed on the crawler frame body 19, the left crawler 16 is wound on the crawler frame body 19, and the driving wheel 17 is used for driving the left crawler 16 to rotate. Correspondingly, the right crawler travel mechanism comprises a right crawler 20, a driving wheel 17, an installation plate 18, a crawler frame body 19 and the like, wherein the driving wheel 17 and the installation plate 18 are installed on the crawler frame body 19, the right crawler 20 is wound on the crawler frame body 19, and the driving wheel 17 is used for driving the right crawler 20 to rotate. The left crawler traveling mechanism and the right crawler traveling mechanism are respectively arranged on two sides of the machine body 1 through mounting plates 18, fastened through fasteners and rigidly connected with the machine body 1 into a whole. It should be noted that the crawler type traveling mechanism 3 may be provided with reference to the prior art, and is not specifically developed here.
The utility model is characterized in that a wheel type travelling mechanism and a crawler type travelling mechanism 3 are arranged on a machine body 1 of the paver at the same time, so that the paver can combine the advantages of the wheel type travelling mechanism and the crawler type travelling mechanism 3, the wheel type travelling mechanism is movably connected with the machine body 1 through a lifting mechanism, the lifting mechanism is used for driving the wheel type travelling mechanism to move up and down relative to the machine body 1, when the wheel type travelling mechanism is needed, the wheel type travelling mechanism is lowered through the lifting mechanism, when the wheel type travelling mechanism is not needed, the wheel type travelling mechanism is lifted up through the lifting mechanism, and therefore the paver can be flexibly switched between two structural forms of the crawler type travelling paver and the tire type travelling paver according to the needs. Specifically, when a transition is needed, the wheel type travelling mechanism is descended to the ground through the lifting mechanism until the crawler type travelling mechanism 3 leaves the ground, at the moment, the paver of the application is equivalent to a tire type travelling paver, the tire type travelling mechanism can provide higher travelling speed, the requirement on the road surface flatness is not high, the paver can directly move by itself during the transition without trailer transportation, and therefore the cost is saved, the time is also saved, and the paver is very practical; when the paver is in operation, rise wheeled running gear to leaving ground through elevating system, at this moment, the paver of this application is equivalent to crawler-type running paver, uses crawler-type running gear 3, guarantees that the paver walking is steady, speed is stable to ensure construction quality.
From the above, the paver of the present invention comprises a wheel type running mechanism and a crawler type running mechanism 3, wherein the wheel type running mechanism is movably connected with the machine body 1 through a lifting mechanism, when the wheel type running mechanism is needed to be used, the wheel type running mechanism is lowered through the lifting mechanism, when the wheel type running mechanism is not needed to be used, the wheel type running mechanism is lifted through the lifting mechanism, so that the paver of the present invention can be flexibly switched between two structural forms of the crawler type running paver and the tire type running paver according to the needs, the crawler type running mechanism 3 is adopted when the paver works, the requirements of construction quality and construction efficiency are met, and the tire type running mechanism is adopted when the paver is transferred, the requirements of transfer speed and economic benefit are met.
Preferably, as shown in fig. 1 to 5, the wheeled walking mechanism includes a front wheel assembly 4 and a rear wheel assembly 5, the front wheel assembly 4 is located at the front side of the crawler walking mechanism 3, the rear wheel assembly 5 is located at the rear side of the crawler walking mechanism 3, and particularly, optionally, the rear wheel assembly 5 is located between the crawler walking mechanism 3 and the screed plate 2. Because the front wheel subassembly 4 is located crawler-type running gear 3's front side, rear wheel subassembly 5 is located crawler-type running gear 3's rear side for the wheel base between front wheel subassembly 4 and the rear wheel subassembly 5 is greater than crawler-type running gear 3's wheel base, and then the focus antedisplacement when making the paver walking, the problem of paver shake from beginning to end when having solved or improved the walking to a certain extent.
More preferably, as shown in fig. 1 to 5, the radial dimension of the tire of the front wheel assembly 4 is smaller than the radial dimension of the tire of the rear wheel assembly 5, and particularly, optionally, the radial dimension of the tire of the rear wheel assembly 5 is larger than twice the radial dimension of the tire of the front wheel assembly 4, or the radial dimension of the tire of the rear wheel assembly 5 is more than twice the radial dimension of the tire of the front wheel assembly 4, that is, the front wheel assembly 4 uses a small tire, and the rear wheel assembly 5 uses a large tire, which has two main advantages, one is to improve the stress of the wheel type traveling mechanism, because the center of gravity of the paver is located relatively backward, the rear wheel assembly 5 uses a large tire, which can improve the bearing capacity of the rear wheel assembly 5, and the other is to use a small tire for the front wheel assembly 4, and the steering is more flexible.
As a specific implementation form of the front wheel assembly 4, as shown in fig. 4, the front wheel assembly 4 includes a left front wheel 6, a right front wheel 7, two connecting plates 8 and a tie rod 9, the two connecting plates 8 are respectively disposed on the left and right sides of the body 1 and connected by the tie rod 9, one connecting plate 8 of the two connecting plates 8 is rotatably connected with the left front wheel 6, and the other connecting plate 8 is rotatably connected with the right front wheel 7. In order to facilitate the up-and-down movement of the front wheel assembly 4, sliding grooves in sliding fit with the two connecting plates 8 are formed in the two sides of the machine body 1, and after the front wheel assembly 4 moves to a specific position, the front wheel assembly is locked through a locking piece.
As a specific implementation form of the rear wheel assembly 5, as shown in fig. 5, the rear wheel assembly 5 includes a left rear wheel 11, a transmission device 12, a drive axle 13, and a right rear wheel 14, the left rear wheel 11 and the right rear wheel 14 are respectively disposed on the left and right sides of the fuselage 1 and are connected with the drive axle 13 through the transmission device 12, and the drive axle 13 provides power to the left rear wheel 11 and the right rear wheel 14 through the transmission device 12. Wherein the transmission device 12 can be in a chain wheel and chain transmission form, and the radial dimension of the left rear wheel 11 and the right rear wheel 14 is larger than that of the left front wheel 6 and the right front wheel 7.
Specifically, optionally, the lifting mechanism includes a lifting cylinder 10 and a lifting cylinder 15, the lifting cylinder 10 and the lifting cylinder 15 may be hydraulic cylinders or air cylinders, wherein one end of the lifting cylinder 10 is connected to the machine body 1, the other end of the lifting cylinder 10 is connected to the connecting plate 8, and the lifting cylinder 10 is used for driving the front wheel assembly 4 to lift integrally. One end of the lifting cylinder 15 is connected with the machine body 1, the other end of the lifting cylinder 15 is connected with the drive axle 13, and the lifting cylinder 15 is used for driving the rear wheel assembly 5 to integrally lift. In order to improve the stress, it is preferable that the lower end of the lift cylinder 15 is connected to the body 1, and the upper end of the lift cylinder 15 is connected to the drive axle 13 to lift and lower the rear wheel assembly 5 in a lifting manner.
In order to realize automatic control, the paver of the application further comprises an input device and a control device, the input device is connected with the control device, the control device is connected with the lifting mechanism, the input device is used for inputting control instructions, the input device can be an operation panel, the lifting mechanism comprises a lifting cylinder 10 and a lifting cylinder 15, the lifting cylinder 10 and the lifting cylinder 15 can be hydraulic cylinders, the lifting cylinder comprises a cylinder barrel, a piston rod and the like, the front wheel operation button and the rear wheel operation button are arranged on the operation panel through hydraulic driving and electrical control, remote automatic control is realized, wherein the input device and the control device can be integrally arranged, when the input device is the operation panel, the control device can be an integrated controller arranged on the operation panel, a state change-over switch is arranged on the operation panel, and the state change-over switch is used for switching over the working state and the transition state, the controller is connected with the lifting mechanism and the state change-over switch, and the controller controls the traveling system according to the position of the state change-over switch, so that the automatic conversion of the paver in the working state and the transition state is realized. Specifically, optionally, the input device and the control device are arranged at a cab of the paver, and a foldable sunshade ceiling is arranged above the cab.
To sum up, the paver provided by the embodiment of the utility model comprises a wheel type travelling mechanism and a crawler type travelling mechanism 3, wherein the wheel type travelling mechanism is movably connected with the machine body 1 through a lifting mechanism, when the wheel type travelling mechanism is required to be used, the wheel type travelling mechanism is lowered through the lifting mechanism, when the wheel type travelling mechanism is not required to be used, the wheel type travelling mechanism is lifted up through the lifting mechanism, so that the paver can be flexibly switched between two structural forms of the crawler type travelling paver and the tire type travelling paver according to the requirement, the crawler type travelling mechanism 3 is adopted when the paver works, the requirements of construction quality and construction efficiency are met, and the tire type travelling mechanism is adopted when the paver is in a transition, so that the requirements of the transition speed and economic benefit are met. The purchasing cost of the whole paver of the application is slightly increased compared with that of a paver with a single travelling mechanism, the whole paver belongs to one-time investment, the use cost is not increased in the later period, and the economic benefit is obvious.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly. In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A paving machine, comprising:
the device comprises a machine body (1), an ironing plate (2) arranged at the rear side of the machine body (1), a wheel type travelling mechanism, a crawler type travelling mechanism (3) and a lifting mechanism;
the crawler-type travelling mechanism (3) is fixedly connected with the machine body (1);
the wheel type walking mechanism is movably connected with the machine body (1) through a lifting mechanism.
2. The paving machine of claim 1,
the wheel type travelling mechanism comprises a front wheel assembly (4) and a rear wheel assembly (5), the front wheel assembly (4) is located on the front side of the crawler type travelling mechanism (3), and the rear wheel assembly (5) is located on the rear side of the crawler type travelling mechanism (3).
3. The paver according to claim 2, characterized in that the rear wheel assembly (5) is located between the crawler-type running gear (3) and the screed (2).
4. The paver according to claim 2, characterized in that the radial dimensions of the tyres of the front wheel assembly (4) are smaller than those of the tyres of the rear wheel assembly (5).
5. The paver according to claim 2, characterized in that the front wheel assembly (4) comprises a left front wheel (6), a right front wheel (7), two connecting plates (8) and a tie rod (9), the two connecting plates (8) are respectively arranged on the left and right sides of the fuselage (1) and are connected through the tie rod (9), one connecting plate (8) of the two connecting plates (8) is rotatably connected with the left front wheel (6), and the other connecting plate (8) is rotatably connected with the right front wheel (7).
6. The paver according to claim 5, characterized in that the lifting mechanism comprises a lifting cylinder (10), one end of the lifting cylinder (10) being connected with the fuselage (1) and the other end of the lifting cylinder (10) being connected with the connecting plate (8).
7. The paver according to any one of claims 2 to 6, characterized in that the rear wheel assembly (5) comprises a left rear wheel (11), a transmission (12), a drive axle (13) and a right rear wheel (14), wherein the left rear wheel (11) and the right rear wheel (14) are respectively arranged on the left side and the right side of the fuselage (1) and are connected with the drive axle (13) through the transmission (12).
8. The paver according to claim 7, characterized in that the lifting mechanism comprises a lifting cylinder (15), one end of the lifting cylinder (15) being connected to the fuselage (1) and the other end of the lifting cylinder (15) being connected to the drive axle (13).
9. The paving machine of any one of claims 1-6, further comprising an input device and a control device, the input device being connected to the control device, the control device being connected to the lifting mechanism.
10. The paver of any one of claims 1-6, wherein the crawler travel mechanism (3) comprises a left crawler travel mechanism and a right crawler travel mechanism, the left crawler travel mechanism and the right crawler travel mechanism are respectively arranged at the left side and the right side of the machine body (1), the left crawler travel mechanism comprises a left crawler (16), a driving wheel (17), a mounting plate (18) and a crawler frame body (19), the right crawler travel mechanism comprises a right crawler (20), a driving wheel (17), a mounting plate (18) and a crawler frame body (19), the driving wheel (17) and the mounting plate (18) are arranged on the crawler frame body (19), the left crawler (16) is arranged on the crawler frame body (19) of the left crawler travel mechanism in a winding manner, and the right crawler (20) is arranged on the crawler frame body (19) of the right crawler travel mechanism in a winding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121883367.4U CN215629169U (en) | 2021-08-12 | 2021-08-12 | Spreading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121883367.4U CN215629169U (en) | 2021-08-12 | 2021-08-12 | Spreading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215629169U true CN215629169U (en) | 2022-01-25 |
Family
ID=79897327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121883367.4U Active CN215629169U (en) | 2021-08-12 | 2021-08-12 | Spreading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215629169U (en) |
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2021
- 2021-08-12 CN CN202121883367.4U patent/CN215629169U/en active Active
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