Film paving device with suspended lifting frame body structure

Abstract

The utility model discloses a film paving device with a suspended lifting frame body structure. The film paving device comprises a main frame, a plurality of oil cylinders, a plurality of linkage mechanisms and a parallel four-bar mechanism, a lifting frame is arranged on one side of the main frame; the multiple oil cylinders are all installed on the main frame, the fixed ends of the oil cylinders are connected with first connecting parts, the free ends of the oil cylinders are connected with connecting sleeves, multiple first connecting plates are installed on the main frame, the first connecting parts correspond to the first connecting plates, and the first connecting parts are rotationally connected with the first connecting plates; the plurality of linkage mechanisms are mounted on the main frame and are respectively connected with the plurality of oil cylinders; the two ends of the parallel four-connecting-rod mechanism are connected with the main frame and the lifting frame respectively. The sliding groove is formed in the pull rod, the sliding block of the four-connecting-rod mechanism is matched in the sliding groove, the sliding block is pulled through the sliding groove to drive the four-connecting-rod mechanism to act, when the ground is uneven, the lifting frame is lifted upwards through the protruding ground, the sliding block slides in the sliding groove, and therefore the floating function is achieved, and the oil cylinder or the parallel four-connecting-rod mechanism is not prone to being damaged.

Description

Technical Field

[0001] This utility model belongs to the technical field of film laying device, specifically relating to a film laying device with a suspension frame structure. Background Technology

[0002] A film-laying device is a commonly used agricultural machine, primarily used for laying mulch film on field surfaces. Existing film-laying machines mainly consist of a main unit, film trough, support frame, film blade, drive wheels, lifting frame, and power assist system. The lifting frame is mainly used to mount various film-laying devices. During film-laying operations, the lifting frame lowers, bringing the covering roller into contact with the ground and evenly spreading the mulch film on the soil surface to achieve the effects of moisture retention, weed control, and increasing soil temperature. The design of the lifting frame effectively improves work efficiency, reduces manual labor, and ensures the uniform spreading of the mulch film, making it an indispensable piece of machinery in modern agriculture.

[0003] The lifting frame is generally connected to the machine frame through a parallel four-bar linkage, hydraulic cylinders and other components. When laying the film, the ground may be uneven. If the ground is relatively raised, the raised ground will lift the lifting frame upward. However, the existing parallel four-bar linkage and hydraulic cylinder lack a buffer unit, which makes the hydraulic cylinder or parallel four-bar linkage easy to be damaged, thus affecting the normal laying of the film.

[0004] Therefore, in order to address the aforementioned technical problems, it is necessary to provide a membrane laying device with a suspension frame structure.

[0005] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0006] The purpose of this invention is to provide a film laying device with a suspension frame structure, which can solve the problem that the lack of a buffer unit in the lifting frame makes it easy to damage the hydraulic cylinder or the parallel four-bar linkage mechanism.

[0007] To achieve the above objectives, the technical solution provided by a specific embodiment of this utility model is as follows:

[0008] The film laying device with a suspension frame structure includes: a main frame, multiple hydraulic cylinders, multiple linkage mechanisms, and multiple parallel four-bar linkages;

[0009] A lifting frame is provided on one side of the main frame;

[0010] Multiple hydraulic cylinders are mounted on the main frame. The fixed end of each hydraulic cylinder is connected to a first connecting part, and the free end of each hydraulic cylinder is connected to a connecting sleeve. Multiple first connecting plates are mounted on the main frame. The first connecting part corresponds to the first connecting plate, and the first connecting part is rotatably connected to the first connecting plate.

[0011] Multiple linkage mechanisms are mounted on the main frame, and each linkage mechanism is connected to a multiple hydraulic cylinder.

[0012] The parallel four-bar linkage is connected at both ends to the main frame and the lifting frame, respectively, and is connected to the linkage mechanism.

[0013] In one or more embodiments of this utility model, the number of hydraulic cylinders is at least two.

[0014] In one or more embodiments of this utility model, the linkage mechanism includes a second connecting plate, which is fixedly connected to the main frame and is used to connect the lifting rod;

[0015] A lifting rod is rotatably connected to the second connecting plate, and the lifting rod is used to connect the linkage rod and the third connecting plate.

[0016] In one or more embodiments of this utility model, a pair of side walls of the lifting rod are fixedly connected with a linkage rod, and the connecting sleeve is rotatably connected between the pair of linkage rods. When the hydraulic cylinder extends or retracts, the hydraulic cylinder drives the lifting rod to rotate through the connecting sleeve and the linkage rod.

[0017] In one or more embodiments of this utility model, a third connecting plate is fixedly connected to the end of the lifting rod away from the second connecting plate, and a pull rod is rotatably connected to the third connecting plate. The movement of the pull rod can drive the parallel four-bar linkage to rotate, thereby driving the lifting frame to rise and fall.

[0018] In one or more embodiments of this utility model, a fourth connecting plate is fixedly connected to one end of the pull rod, and the fourth connecting plate is used to connect with the first connecting rod;

[0019] The fourth connecting plate is provided with a through groove. When the ground is uneven, the slider can slide in the groove, thereby realizing the floating function and making it less likely to damage the oil cylinder and the first connecting rod.

[0020] The pull rod is equipped with a clearance groove, which makes it less likely for the pull rod to collide with the hydraulic cylinder when it moves, thus ensuring the safety of the hydraulic cylinder and the pull rod.

[0021] In one or more embodiments of this utility model, the parallel four-bar linkage includes a fifth connecting plate and a sixth connecting plate, the fifth connecting plate being fixedly connected to the main frame, and the sixth connecting plate being fixedly connected to the lifting frame.

[0022] In one or more embodiments of this utility model, a first connecting rod is connected between the fifth connecting plate and the sixth connecting plate. The two ends of the first connecting rod are rotatably connected to the fifth connecting plate and the sixth connecting plate, respectively. When the pull rod moves, the pull rod can drive the first connecting rod to move, thereby enabling the lifting frame to rise and fall.

[0023] In one or more embodiments of this utility model, a slider is fixedly connected to the first connecting rod. The slider is slidably disposed in the groove. Through the cooperation between the slider and the fourth connecting plate, the connection between the pull rod and the first connecting rod can be realized. On the other hand, when the ground is uneven, the slider can slide in the groove to realize the floating function and is less likely to damage the oil cylinder and the first connecting rod.

[0024] In one or more embodiments of this utility model, a vertical rod is installed on the lifting frame, a seventh connecting plate is fixedly connected to the vertical rod, a second connecting rod is rotatably connected to the seventh connecting plate, the second connecting rod is parallel to the first connecting rod, and an eighth connecting plate is connected between the second connecting rod and the main frame.

[0025] Compared with the prior art, the film laying device with the suspension frame structure of this utility model has a sliding groove on the pull rod. The slider of the four-bar linkage is adapted in the sliding groove. The slider is pulled by the sliding groove to drive the four-bar linkage. When the ground is uneven, the raised ground lifts the lifting frame upward and the slider slides in the sliding groove, thereby realizing the floating function and is less likely to damage the hydraulic cylinder or parallel four-bar linkage mechanism. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a perspective view of a film-laying device with a suspension frame structure in one embodiment of the present invention;

[0028] Figure 2 for Figure 1 Schematic diagram of the structure at point A in the middle;

[0029] Figure 3 for Figure 1 Schematic diagram of the structure at point B;

[0030] Figure 4 for Figure 1 Schematic diagram of the structure at point C.

[0031] Explanation of key figure labels:

[0032] 1-Main frame, 101-Lifting frame, 2-Hydraulic cylinder, 201-First connecting part, 202-Connecting sleeve, 203-First connecting plate, 3-Linkage mechanism, 301-Second connecting plate, 302-Lifting rod, 303-Linkage rod, 304-Third connecting plate, 305-Pull rod, 306-Fourth connecting plate, 307-Slide groove, 4-Parallel four-bar linkage mechanism, 401-Fifth connecting plate, 402-Sixth connecting plate, 403-First connecting rod, 404-Slider, 405-Vertical rod, 406-Seventh connecting plate, 407-Second connecting rod. Detailed Implementation

[0033] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0034] like Figures 1 to 4 As shown, the film-laying device with a suspension frame structure in one embodiment of this utility model includes a main frame 1, multiple hydraulic cylinders 2, multiple linkage mechanisms 3, and multiple parallel four-bar linkages 4.

[0035] One side of the main frame 1 is equipped with a lifting frame 101. The lifting frame 101 is used to install various film laying equipment. When the film laying operation is carried out, the lifting frame 101 will descend, so that the soil covering roller installed on the lifting frame 101 will contact the ground and spread the covering film evenly on the soil surface to achieve the effects of moisture retention, weed prevention and increasing soil temperature.

[0036] In addition, the main frame 1 is equipped with a hydraulic system for controlling the extension and retraction of the oil cylinder 2.

[0037] like Figures 1 to 4 As shown, multiple hydraulic cylinders 2 are installed on the main frame 1. The hydraulic cylinders 2 are the power source for lifting the lifting frame 101 and are used to drive the lifting frame 101 to lift.

[0038] Preferably, there are at least two hydraulic cylinders 2 to ensure the lifting effect of the lifting frame 101.

[0039] The hydraulic cylinder 2 has a fixed end connected to a first connecting part 201 and a free end connected to a connecting sleeve 202. Multiple first connecting plates 203 are mounted on the main frame 1. The first connecting part 201 corresponds to the first connecting plate 203, and the first connecting part 201 and the first connecting plate 203 are rotatably connected. When the hydraulic cylinder 2 extends or retracts, the free end of the hydraulic cylinder 2 can drive the connecting sleeve 202 to move.

[0040] like Figures 1 to 4 As shown, multiple linkage mechanisms 3 are installed on the main frame 1, and each linkage mechanism 3 is connected to multiple hydraulic cylinders 2. When the hydraulic cylinders 2 extend or retract, the hydraulic cylinders 2 can drive the linkage mechanisms 3 to move, and the linkage mechanisms 3 can drive the parallel four-bar linkage 4 to move, so as to realize the lifting of the lifting frame 101.

[0041] The linkage mechanism 3 includes a second connecting plate 301, which is fixedly connected to the main frame 1 and is used to connect the lifting rod 302. The lifting rod 302 is rotatably connected to the second connecting plate 301 and is used to connect the linkage rod 303 and the third connecting plate 304.

[0042] In addition, a pair of linkage rods 303 are fixedly connected to each side wall of the lifting rod 302, and the connecting sleeve 202 is rotatably connected between the pair of linkage rods 303. When the hydraulic cylinder 2 extends or retracts, the hydraulic cylinder 2 drives the lifting rod 302 to rotate through the connecting sleeve 202 and the linkage rods 303.

[0043] Specifically, a third connecting plate 304 is fixedly connected to the end of the lifting rod 302 away from the second connecting plate 301, and a pull rod 305 is rotatably connected to the third connecting plate 304. The movement of the pull rod 305 can drive the parallel four-bar linkage 4 to rotate, which in turn can drive the lifting frame 101 to rise and fall.

[0044] In addition, a fourth connecting plate 306 is fixedly connected to one end of the pull rod 305. The fourth connecting plate 306 is used to connect with the first connecting rod 403. A sliding groove 307 is provided through the fourth connecting plate 306. When the ground is uneven, the slider 404 can slide in the sliding groove 307, thereby realizing the floating function and preventing damage to the hydraulic cylinder 2 and the first connecting rod 403.

[0045] Furthermore, the pull rod 305 is equipped with a clearance groove, which makes it less likely for the pull rod 305 to collide with the hydraulic cylinder 2 when it moves, thus ensuring the safety of the hydraulic cylinder 2 and the pull rod 305.

[0046] like Figures 1 to 4 As shown, the parallel four-bar linkage 4 is connected at both ends to the main frame 1 and the lifting frame 101, respectively, and is also connected to the linkage mechanism 3. The parallel four-bar linkage 4 can move along with the linkage mechanism 3, so that the lifting frame 101 can be raised and lowered.

[0047] The parallel four-bar linkage 4 includes a fifth connecting plate 401 and a sixth connecting plate 402. The fifth connecting plate 401 is fixedly connected to the main frame 1, and the sixth connecting plate 402 is fixedly connected to the lifting frame 101.

[0048] In addition, a first connecting rod 403 connects the fifth connecting plate 401 and the sixth connecting plate 402. The two ends of the first connecting rod 403 are rotatably connected to the fifth connecting plate 401 and the sixth connecting plate 402, respectively. When the pull rod 305 moves, the pull rod 305 can drive the first connecting rod 403 to move, thereby enabling the lifting frame 101 to rise and fall.

[0049] Specifically, a slider 404 is fixedly connected to the first connecting rod 403, and the slider 404 is slidably disposed within the slide groove 307. Through the cooperation between the slider 404 and the fourth connecting plate 306, on the one hand, the connection between the pull rod 305 and the first connecting rod 403 can be realized; on the other hand, when the ground is uneven, the slider 404 can slide in the slide groove 307, thereby realizing the floating function and preventing damage to the hydraulic cylinder 2 and the first connecting rod 403.

[0050] In addition, a vertical rod 405 is installed on the lifting frame 101, a seventh connecting plate 406 is fixedly connected to the vertical rod 405, a second connecting rod 407 is rotatably connected to the seventh connecting plate 406, the second connecting rod 407 is parallel to the first connecting rod 403, and an eighth connecting plate is connected between the second connecting rod 407 and the main frame 1.

[0051] In practical use, if it is necessary to lower the height of the lifting frame 101, the hydraulic cylinder 2 needs to be retracted. The hydraulic cylinder 2 drives the connecting sleeve 202 to move downward. The connecting sleeve 202 drives the lifting rod 302 and the third connecting plate 304 to rotate counterclockwise around the second connecting plate 301 through the linkage rod 303. The third connecting plate 304 causes the first connecting rod 403 to move downward through the pull rod 305 and the fourth connecting plate 306. At the same time, the second connecting rod 407 will also move downward. Since the two ends of the first connecting rod 403 are connected to the main frame 1 and the lifting frame 101 respectively, the lifting frame 101 will also move downward when the first connecting rod 403 moves downward.

[0052] When the ground is uneven, the raised ground may lift the lifting frame 101 upward. Since the slider 404 can slide in the slide groove 307, it can achieve the floating function and is less likely to damage the oil cylinder 2 and the first connecting rod 403.

[0053] When it is necessary to raise the height of the lifting frame 101, simply control the extension of the hydraulic cylinder 2. The hydraulic cylinder 2 will drive the lifting frame 101 to rise through the connecting sleeve 202, linkage rod 303, lifting rod 302, third connecting plate 304, pull rod 305, fourth connecting plate 306, first connecting rod 403 and second connecting rod 407.

[0054] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0055] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A membrane laying device with a suspension frame structure, characterized in that, include: The main frame, with a lifting frame on one side; Multiple hydraulic cylinders are mounted on the main frame. The fixed end of each hydraulic cylinder is connected to a first connecting part, and the free end of each hydraulic cylinder is connected to a connecting sleeve. Multiple first connecting plates are mounted on the main frame. The first connecting part corresponds to the first connecting plate, and the first connecting part is rotatably connected to the first connecting plate. Multiple linkage mechanisms are all installed on the main frame, and the multiple linkage mechanisms are respectively connected to the multiple hydraulic cylinders; A parallel four-bar linkage mechanism, wherein both ends of the parallel four-bar linkage mechanism are connected to the main frame and the lifting frame respectively, and the parallel four-bar linkage mechanism is connected to the linkage mechanism.

2. The film-laying device with a suspension frame structure according to claim 1, characterized in that, The number of hydraulic cylinders is at least two.

3. The film-laying device with a suspension frame structure according to claim 1, characterized in that, The linkage mechanism includes a second connecting plate, which is fixedly connected to the main frame, and a lifting rod is rotatably connected to the second connecting plate.

4. The film-laying device with a suspension frame structure according to claim 3, characterized in that, The lifting rod has a pair of side walls fixedly connected to a linkage rod, and the connecting sleeve is rotatably connected between the pair of linkage rods.

5. The film-laying device with a suspension frame structure according to claim 4, characterized in that, The end of the lifting rod away from the second connecting plate is fixedly connected to a third connecting plate, and a pull rod is rotatably connected to the third connecting plate.

6. The film-laying device with a suspension frame structure according to claim 5, characterized in that, One end of the pull rod is fixedly connected to a fourth connecting plate, the fourth connecting plate is provided with a through groove, and the pull rod is provided with a clearance groove.

7. The membrane laying device with a suspension frame structure according to claim 6, characterized in that, The parallel four-bar linkage includes a fifth connecting plate and a sixth connecting plate. The fifth connecting plate is fixedly connected to the main frame, and the sixth connecting plate is fixedly connected to the lifting frame.

8. The film-laying device with a suspension frame structure according to claim 7, characterized in that, A first connecting rod connects the fifth connecting plate and the sixth connecting plate, with both ends of the first connecting rod rotatably connected to the fifth connecting plate and the sixth connecting plate, respectively.

9. The film-laying device with a suspension frame structure according to claim 8, characterized in that, A slider is fixedly connected to the first connecting rod, and the slider is slidably disposed within the groove.

10. The film-laying device with a suspension frame structure according to claim 9, characterized in that, A vertical rod is installed on the lifting frame, and a seventh connecting plate is fixedly connected to the vertical rod. A second connecting rod is rotatably connected to the seventh connecting plate. The second connecting rod is parallel to the first connecting rod, and an eighth connecting plate connects the second connecting rod to the main frame.

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