A paver hopper and paver

Abstract

The application provides a paver hopper, which comprises a frame connected to a paver, and left and right hoppers connected to the frame respectively. A main turnover plate capable of overturning relative to the frame is connected to the frame, and side turnover plates capable of overturning relative to the left and right hoppers are connected to the left and right hoppers respectively. An elastic member is arranged on the side turnover plate, and the elastic member is configured to be elastically deformed after the side turnover plate overturns, so that an elastic force resisting the overturning of the side turnover plate can be applied to the side turnover plate.

Description

Technical Field

[0001] The present invention relates to a paver hopper, and a paver including the paver hopper. Background Technology

[0002] A paver is a common piece of equipment in road construction, used to spread materials on the road surface. The paver hopper is the material receiving structure of the paver, used to receive material from the material truck and transport it to the front of the paver. After the material truck has unloaded and left the paver, the paver hopper needs to tip inward to dump the material onto the scraper conveyor. During this process, material in the hopper can spill towards the front of the paver's tracks as it tipps and falls, affecting the smoothness of the paved surface. Therefore, most existing paver hoppers are equipped with tilting baffles to prevent material spillage.

[0003] However, the hopper baffles currently installed on domestic and international equipment have weak structures. After a period of use, they are prone to deformation or detachment due to scraping or impact from material carts, affecting their normal use. Furthermore, existing baffles are easily jammed by material after flipping, making it difficult for them to reset properly and thus losing their flipping function. Summary of the Invention

[0004] To address the technical problems described above, this invention aims to provide a paver hopper. The paver hopper of this invention can effectively prevent the baffle plates from deforming or falling off, while ensuring that the baffle plates can rotate normally.

[0005] According to a first aspect of the present invention, a paver hopper is provided, comprising a frame connected to a paver, and a left hopper and a right hopper respectively connected to both sides of the frame. A main flap capable of rotating relative to the frame is connected to the frame, and side flaps capable of rotating relative to the left hopper and the right hopper are respectively connected to the left hopper and the right hopper.

[0006] The side flap is provided with an elastic element, which is configured to undergo elastic deformation when the side flap is flipped, thereby applying an elastic force to the side flap to prevent it from flipping.

[0007] In a preferred embodiment, the first end of the elastic element is connected to the side flap, and the second end is connected to the hopper on the same side as the side flap. The first end of the elastic element is located on the outer side of its second end away from the frame.

[0008] In a preferred embodiment, the elastic element is configured to be in a compressed state when the side flap is not flipped.

[0009] In a preferred embodiment, the side flaps are respectively hinged to the left hopper and the right hopper via a rotating shaft, and a first protective plate and a second protective plate are respectively provided on the hopper inside the rotating shaft and the side flaps on the outside.

[0010] In a preferred embodiment, the first protective plate and the second protective plate are configured as elongated strips and arranged along the axial direction of the rotating shaft, and the first protective plate and the second protective plate have a height higher than the rotating shaft.

[0011] In a preferred embodiment, the first protective plate and the second protective plate are made of metal and are respectively connected to the left hopper and the right hopper by welding.

[0012] In a preferred embodiment, a screen is further provided between the first protective plate and the second protective plate.

[0013] In a preferred embodiment, the screen is configured as a deformable flexible screen.

[0014] In a preferred embodiment, a hydraulic cylinder capable of pushing the main flip plate to flip is provided on the frame below the main flip plate, and the side flip plate is connected above the main flip plate through a connecting plate, so that the side flip plate can be pushed to flip synchronously when the main flip plate flips.

[0015] According to a second aspect of the invention, a paver is provided, comprising any of the aforementioned paver hoppers. Attached Figure Description

[0016] The present invention will now be described with reference to the accompanying drawings.

[0017] Figure 1 A schematic diagram of a paver hopper before tipping over is shown according to an embodiment of the present invention.

[0018] Figure 2 for Figure 1 The diagram shows the paver hopper after it has been flipped.

[0019] In this application, all drawings are schematic and are used only to illustrate the principles of the invention, and are not drawn to scale. Detailed Implementation

[0020] The invention will now be described with reference to the accompanying drawings.

[0021] Figure 1 A schematic diagram of a paver hopper before tipping over, according to an embodiment of the present invention, is shown. Figure 1As shown, the paver hopper 100 includes a frame 10 connected to the paver 11. A left hopper 20 and a right hopper 30 are respectively provided on both sides of the frame 10. The left hopper 20 and the right hopper 30 are hinged to the frame 10, allowing them to rotate relative to the frame 10 towards the frame 10, thereby dumping the material (not shown) from the left hopper 20 and the right hopper 30 onto the frame 10.

[0022] like Figure 1 As shown, a main tilting plate 40 is connected to the outer side of the frame 10 away from the paver 11. The main tilting plate 40 is hinged to the frame 10. Simultaneously, a hydraulic cylinder 42 is provided below the main tilting plate 40, which can push the main tilting plate 40 upwards. Thus, under the push of the hydraulic cylinder 42, the main tilting plate 40 can tilt towards the paver 11, thereby preventing material from spilling from the hopper during the dumping process.

[0023] Meanwhile, side-tilting plates 50 are respectively connected to the outer sides of the left hopper 20 and right hopper 30 away from the paver 11. The side-tilting plates 50 are hinged to the left hopper 20 and right hopper 30 via rotating shafts 52. The side-tilting plates 50 are positioned above the main tilting plate 40 and overlap the main tilting plate 40 via connecting plates 55. Therefore, when the main tilting plate 40 is pushed upwards by the hydraulic cylinder 42, it can drive the side-tilting plates 50 to tilt synchronously. In this way, during the material dumping process, the side-tilting plates 50 can prevent material from falling from the left hopper 20 and right hopper 30.

[0024] Figure 2 for Figure 1 The diagram shows the paver hopper 100 after it has been flipped. Figure 2 As shown, an elastic element 60 is also provided on the side flap 50. The elastic element 60 may be, for example, a spring. The elastic element 60 is configured to undergo elastic deformation when the side flap 50 is flipped, thereby applying a spring force to the side flap 50 to resist flipping.

[0025] In this invention, after the materials on the left hopper 20 and right hopper 30 have been emptied, and the main tilting plate 40 returns to its untilted horizontal state under the action of the hydraulic cylinder 42, the side tilting plate 50 will return to its horizontal state along with the main tilting plate 40 under the action of gravity. During this process, when material from the feeding vehicle (not shown) spills onto the side tilting plate 50, especially onto the rotating shaft 52, it can cause the side tilting plate 50 to jam, preventing it from returning to its horizontal state.

[0026] At this time, the elastic force exerted by the elastic member 60 on the side flap 50 to prevent it from flipping will form a downward thrust. The thrust will overcome the jamming force of the material on the side flap 50 and push the side flap 50 to rotate downward (i.e. away from the frame 10), thereby ensuring that the side flap 50 can return to a horizontal state.

[0027] The following section uses the side flap 50 connected to the left hopper 20 as an example to describe the elastic element 60 in detail.

[0028] like Figure 2 As shown, the first end 62 of the elastic element 60 is connected to the side flap 50, and the second end 64 is connected to the end of the left hopper 20 away from the side flap 50. Simultaneously, the first end 62 of the elastic element 60 is located on the outer side of its second end 64, away from the frame 10. When the left hopper 20 flips towards the frame 10, the side flap 50 will simultaneously flip towards the left hopper 20 under the influence of the main flap 40. During this process, as the side flap 50 gradually approaches the left hopper 20, the second end 64 of the elastic element 60 gradually approaches the first end 62, causing the elastic element 60 to be compressed.

[0029] As the elastic element 60 is compressed, it applies a spring force to the side flap 50 in the opposite direction to the flipping direction of the side flap 50. Thus, as the main flap 40 returns to a horizontal state, the side flap 50, which has lost the support of the main flap 40, will flip away from the left hopper 20 under the action of this spring force, thereby returning to a horizontal state.

[0030] It is easy to understand that as the side flap 50 returns to a horizontal state, the compression of the elastic element 60 gradually decreases, resulting in a gradual reduction in the elastic force it provides. When this elastic force decreases to a certain range, it may be unable to overcome the resistance of material jamming, thus preventing the side flap 50 from returning to a horizontal state. Therefore, in this invention, the elastic element 60 is configured to be in a compressed state when the side flap 50 is in a horizontal state before flipping. In this way, even after the side flap 50 returns to a horizontal state, the elastic element 60 still has a certain amount of elastic force, thereby ensuring that the elastic element 60 always has sufficient elastic force during the process of the side flap 50 returning to a horizontal state, ensuring that the side flap 50 can smoothly return to a horizontal state.

[0031] like Figure 2As shown, a first protective plate 70 and a second protective plate 72 are also provided on the left hopper 20 inside the rotating shaft 52 and the side flap 50 outside the rotating shaft 52. The first protective plate 70 and the second protective plate 72 are elongated and arranged parallel to the axial direction of the rotating shaft 52. At the same time, the first protective plate 70 and the second protective plate 72 have a height higher than the rotating shaft 52. Thus, when the feeding cart pours material onto the frame 10, the first protective plate 70 and the second protective plate 72 can protect the rotating shaft 52.

[0032] Specifically, when the feeder car collides with the left hopper 20, because the first protective plate 70 and the second protective plate 72 are higher than the rotating shaft 52, the feeder car 70, located above the left hopper 20, will first impact the first protective plate 70 and the second protective plate 72. At this time, the first protective plate 70 and the second protective plate 72 will act as a barrier, thereby preventing the feeder car 70 from contacting the rotating shaft 52 and causing damage to the rotating shaft 52 due to the impact.

[0033] In a preferred embodiment, the first protective plate 70 and the second protective plate 72 are made of metal, thereby ensuring that the first protective plate 70 and the second protective plate 72 have sufficient strength to prevent them from being deformed or damaged by impact. At the same time, the first protective plate 70 and the second protective plate 72 are connected to the left hopper and the right hopper by welding, thereby ensuring the fastening of the first protective plate 70 and the second protective plate 72 and preventing them from falling off by impact.

[0034] In a preferred embodiment, a screen (not shown) is further provided between the first protective plate 70 and the second protective plate 72. The screen is arranged in the gap formed between the first protective plate 70 and the second protective plate 72 above the rotating shaft 52. The screen can filter materials and prevent them from spilling onto the rotating shaft 52, which could cause the rotating shaft 52 to jam and affect the normal rotation of the side flap 50.

[0035] Meanwhile, the screen is made of a deformable flexible material, thereby achieving a flexible connection between the first protective plate 70 and the second protective plate 72, thus preventing the screen from hindering the relative rotation between the first protective plate 70 and the second protective plate 72 during the rotation of the side flap 50 relative to the left hopper 20.

[0036] In addition, in this invention, the right hopper 30 has a structure similar to that of the left hopper 20. The right hopper 30 is also equipped with an elastic element 60, a first protective plate 70, a second protective plate 72, and a screen. These will not be described in detail here.

[0037] The working process of the paver hopper 100 according to the present invention is briefly described below.

[0038] During the process of the feeding trolley conveying materials to the frame 10, the main tilting plate 40 is tilted towards the frame 10 under the push of the hydraulic cylinder 42, and the side tilting plate 50 is tilted synchronously. During this process, the elastic element 60 is compressed, thereby applying a spring force to the side tilting plate 50 in the opposite direction of the tilting direction. Thus, as the main tilting plate 40 returns to a horizontal state, the side tilting plate 50, which has lost the support of the main tilting plate 40, will overcome the material jamming under the action of this spring force and tilt away from the left hopper 20 and the right hopper 30, thereby returning to a horizontal state.

[0039] Meanwhile, during the process of the feeding trolley conveying materials to the frame 10, the first protective plate 70 and the second protective plate 72 can prevent the feeding trolley from colliding with the rotating shaft 52, thereby avoiding damage to the rotating shaft 52 due to impact. Furthermore, the screen can filter materials, preventing materials in the feeding trolley from spilling onto the rotating shaft 52 and affecting the normal rotation of the side tilting plate 50.

[0040] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and does not constitute any limitation on the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A paver hopper, comprising: A frame (10) is connected to the paver, and a left hopper (20) and a right hopper (30) are respectively connected to the two sides of the frame. A main flap (40) that can flip relative to the frame is connected to the frame, and a side flap (50) that can flip relative to the left hopper and the right hopper is connected to the left hopper and the right hopper respectively. An elastic element (60) is provided on the side flap. The elastic element is configured to undergo elastic deformation when the side flap is flipped, thereby applying a spring force to the side flap to resist its flipping. The first end (62) of the elastic element is connected to the side flap, and the second end (64) is connected to the hopper on the same side as the side flap. The first end of the elastic element is located on the outer side away from the frame of its second end. The spring force applied by the elastic element to the side flap to resist its flipping will form a downward thrust. The thrust will overcome the jamming force of the material on the side flap, thereby pushing the side flap away from the frame. The side flaps are rotated to ensure that they can return to a horizontal state. The elastic element is configured to be in a compressed state when the side flaps are not flipped. The side flaps are respectively hinged to the left hopper and the right hopper via a rotating shaft (52). A first protective plate (70) and a second protective plate (72) are respectively provided on the hopper inside the rotating shaft and the side flaps outside the rotating shaft. The first protective plate and the second protective plate are configured as long strips and arranged along the axial direction of the rotating shaft. The first protective plate and the second protective plate have a height higher than the rotating shaft. A screen is also provided between the first protective plate and the second protective plate. The screen is configured as a deformable flexible screen.

2. The paver hopper according to claim 1, characterized in that, The first and second protective plates are made of metal and are connected to the left and right hoppers respectively by welding.

3. The paver hopper according to claim 1, characterized in that, A hydraulic cylinder (42) capable of pushing the main flip plate to flip is provided on the frame below the main flip plate. The side flip plate is connected above the main flip plate through a connecting plate (55), so that the side flip plate can be pushed to flip synchronously when the main flip plate flips.

4. A paver comprising the paver hopper of any one of claims 1-3.

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