Hydraulic hanging frame and soil preparation machine thereof

Abstract

The utility model discloses a hydraulic hanging rack and a land preparation machine thereof, and belongs to the technical field of agricultural machinery equipment, the hydraulic hanging rack comprises a hydraulic hanging rack mechanism and four hooks which are arranged on a fixed rack, the fixed rack is hinged with a folding rack, the hydraulic hanging rack mechanism comprises two concave racks which are vertically and symmetrically arranged, two connecting frames are fixedly connected between the two concave frames, the connecting frames are fixedly connected with the fixed rack, the four ends of the two concave frames are rotationally connected with four symmetrically-arranged swing frames through first rotating shafts, and a connecting shaft is rotationally connected between every two opposite swing frames through a second rotating shaft; a hydraulic oil cylinder is rotationally connected between the two second rotating shafts, and inserting grooves are formed in the ends, far away from each other, of the four swing frames. The hydraulic rack mechanism and the four hooks are arranged, the fixed rack and the folding rack are locked through the four hooks, locking is more stable and firmer, the structural strength is high, and safety is high.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery and equipment, in particular to a hydraulic hanging rack and a land preparation machine thereof. Background Art

[0002] The combined land preparation machine is a compound operation machine that is matched with large and medium-sized tractors. It can complete multiple operations such as stubble removal, rotary tillage, deep loosening, ridging, and suppression at one time, and has the characteristics of high operation efficiency. The tillage machinery has the functions of breaking the plow bottom layer, restoring the soil tillage layer structure, improving the soil's water storage and moisture retention capacity, eliminating some weeds, reducing pests and diseases, leveling the surface, and improving the standards of agricultural mechanization operations. The combined land preparation machine is large in size. Considering the transportation cost and transportation safety, the combined land preparation machine is currently generally used in a folding form. During the travel of the traditional combined land preparation machine, due to different road conditions, the folding frame often tilts or falls due to force, causing equipment damage or even harm to personnel.

[0003] The frame of the combined land leveling machine includes a fixed frame and at least one folding frame, a hydraulic hanger, the folding frame is hinged to the fixed frame and can be folded and stored on the fixed frame, the hydraulic hanger is installed on the fixed frame for fixing the folded folding frame, the hydraulic hanger for the combined land leveling machine in the existing technology includes: a main beam, the main beam is used to be set on the fixed frame; a first hanger hook and a second hanger hook, the first hanger hook and the second hanger hook are hinged on both sides of the main beam; a hydraulic cylinder, one end of the hydraulic cylinder is connected to the first hanger hook, and the other end is connected to the second hanger hook, when the hydraulic cylinder is extended, the first hanger hook can be close to the second hanger hook, when the folding frame is buckled on the fixed frame, the first hanger hook can be close to the second hanger hook to clamp the fixed frame and the folding frame, so that the folded state of the combined land leveling machine is more stable.

[0004] However, the hydraulic hanger structure of the prior art is too simple, and only a set of first hanger hooks and second hanger hooks are used to achieve locking and fixing between the fixed frame and the folding frame. The structural stability is poor, the locking is not firm enough, and it is easy to fall off, thus posing a safety hazard. Utility Model Content

[0005] In view of the above-mentioned technical deficiencies, the purpose of the utility model is to provide a hydraulic hanger and a soil leveling machine thereof, which, by arranging a hydraulic hanger mechanism and four hooks, can realize that when the two hydraulic cylinders are started to extend synchronously, the two groups of hooks are driven to swing downward and close together until the hooks are clamped on the hanging rods, thereby realizing the function of locking the folding frame; it solves the problem that the hydraulic hanger structure of the prior art proposed in the background technology is too simple, and the locking and fixation between the fixed frame and the folding frame are realized only by a group of first hanger hooks and a second hanger hook, the structural stability is poor, the locking is not firm enough, and it is easy to fall off, thus posing a safety hazard.

[0006] To solve the above technical problems, the utility model adopts the following technical solutions: the utility model provides a hydraulic hanger, comprising: a hydraulic hanger mechanism installed on a fixed frame and four hooks, the fixed frame is hingedly connected to the folding frame, the hydraulic hanger mechanism comprises two vertically symmetrical concave frames, two connecting frames are fixedly connected between the two concave frames, the connecting frame is fixedly connected to the fixed frame, the four ends of the two concave frames are rotatably connected with four symmetrically arranged swing frames through a first rotating shaft, the two opposite swing frames are rotatably connected with a connecting shaft through a second rotating shaft, a hydraulic cylinder is rotatably connected between the two second rotating shafts, the far ends of the four swing frames are provided with slots, one ends of the four hooks are fixedly connected with plug blocks, the plug blocks are inserted in the slots, the swing frame is provided with a buckle mechanism, the side wall of the plug block is provided with a slot, one end of the buckle mechanism is inserted in the slot, and the side wall of the folding frame is fixedly connected with a hanging rod corresponding to the hook.

[0007] Preferably, the buckle mechanism includes a sliding cavity opened in the side wall of the swing frame, a slider is slidably connected in the sliding cavity, a sliding rod is fixedly connected to the upper side wall of the sliding rod, the upper end of the sliding rod passes through the outside of the swing frame, a compression spring is fixedly connected between the slider and the inner top wall of the sliding cavity, the compression spring is sleeved on the sliding rod, a clamping rod is inserted and slidably connected to the side wall of the slot, a pull plate is fixedly connected to the upper ends of the sliding rod and the clamping rod, and one end of the clamping rod is inserted in the clamping slot.

[0008] Preferably, a sliding hole communicating with the sliding cavity is provided on the side wall of the swing frame, and the sliding rod is arranged through the sliding hole.

[0009] Preferably, a through hole communicating with the slot is formed on the side wall of the swing frame, and the clamping rod is disposed through the through hole.

[0010] Preferably, a reinforcing rod is fixedly connected between the two swing frames located on the same side.

[0011] Preferably, the fixed frame and the connecting frame are detachably connected by bolt fixing.

[0012] Preferably, a reinforcement frame is fixedly connected between two vertical end side walls of the concave frame.

[0013] A land leveling machine, wherein the fixed frame is installed on the land leveling machine; the hydraulic hanging bracket and the folding frame are installed on the fixed frame.

[0014] The beneficial effects of the utility model are:

[0015] 1. In the utility model, a hydraulic hanger mechanism and four hooks are provided. When the folding frame is folded and stowed, two hydraulic cylinders are started to extend synchronously. At this time, the two connecting shafts are pushed to rotate in opposite directions, thereby pushing the two swing frames to swing in opposite directions. The two sets of hooks swing downward and approach each other until the hooks clamp the hanging rods, thereby locking the folding frame. On the contrary, if the two hydraulic cylinders are contracted synchronously, the two sets of hooks swing upward and approach each other, and the hooks lose the clamping force on the hanging rods. At this time, the folding frame can be unlocked. This structure is more stable and reliable in locking the folding frame, and has high structural strength, long service life and high safety.

[0016] 2. In the utility model, by setting a snap mechanism, when the hook needs to be replaced, the pull plate is pulled up to drive the clamping rod to move up. At this time, the slider fixed to the slide rod can be driven to slide in the slide cavity, and the compression spring can be squeezed to generate elastic force until the clamping rod is completely separated from the clamping slot. At this time, the displacement of the plug block is no longer restricted, and the plug block can be separated from the slot to realize the disassembly of the hook. The disassembly is convenient and convenient for replacement and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0019] Figure 2 It is a three-dimensional enlarged structural schematic diagram of the hydraulic hanger mechanism in the utility model.

[0020] Figure 3 for Figure 2 A is an enlarged structural diagram of FIG.

[0021] Figure 4 It is a partial three-dimensional structural schematic diagram of the swing frame and the hook in the utility model.

[0022] Figure 5 for Figure 4 Schematic diagram of the front cross-sectional structure.

[0023] Explanation of the accompanying drawings: 1-fixed frame, 2-folding frame, 3-concave frame, 4-connecting frame, 5-first rotating shaft, 6-swing frame, 7-second rotating shaft, 8-connecting shaft, 9-hydraulic cylinder, 10-slot, 11-hook, 12-insert block, 13-card slot, 14-hanging rod, 15-sliding cavity, 16-sliding block, 17-sliding rod, 18-compression spring, 19-card rod, 20-pull plate, 21-reinforcement rod, 22-reinforcement frame. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1:

[0026] like Figures 1 to 5 As shown, this embodiment provides a hydraulic hanger, including: a hydraulic hanger mechanism installed on a fixed frame 1 and four hooks 11, the fixed frame 1 is hingedly connected to the folding frame 2, and the mounting frame connected to the tiller on the fixed frame 1 is arranged in the middle thereof, and this design does not affect this installation, the hydraulic hanger mechanism includes two vertically symmetrically arranged concave frames 3, two connecting frames 4 are fixedly connected between the two concave frames 3, the connecting frames 4 are fixedly connected to the fixed frame 1, and the four ends of the two concave frames 3 are rotatably connected to four pairs of A swing frame 6 is provided, and two opposite swing frames 6 are rotatably connected with a connecting shaft 8 through a second rotating shaft 7, and a hydraulic cylinder 9 is rotatably connected between the two second rotating shafts 7. A slot 10 is provided at the far end of the four swing frames 6, and one end of the four hooks 11 is fixedly connected with an insert block 12, which is inserted into the slot 10. A snap mechanism is provided on the swing frame 6, and a slot 13 is provided on the side wall of the insert block 12, and one end of the snap mechanism is inserted into the slot 13. The side wall of the folding frame 2 is fixedly connected with a hanging rod 14 corresponding to the hook 11.

[0027] A reinforcing rod 21 is fixedly connected between the two swing frames 6 on the same side, so that the structures of the two swing frames 6 are stable.

[0028] The fixed frame 1 and the connecting frame 4 are detachably connected by bolts and can be disassembled for maintenance.

[0029] A reinforcement frame 22 is fixedly connected between the two vertical end side walls of the concave frame 3, so that the structure of the concave frame 3 is more reliable.

[0030] Principle of this embodiment: when the folding frame 2 is folded and stowed, the two hydraulic cylinders 9 are started to extend synchronously. At this time, the two connecting shafts 8 are pushed to rotate in opposite directions, thereby pushing the two sets of swing frames 6 to swing in opposite directions. The two sets of hooks 11 swing downward and approach each other until the hooks 11 clamp the hanging rod 14, thereby locking the folding frame 2. The other set of hooks 11 clamps and fixes the frame 1 to make the structure more secure. On the contrary, if the two hydraulic cylinders 9 shrink synchronously, at this time, the two sets of hooks 11 swing upward and approach each other, and the hooks 11 lose their clamping force on the hanging rod 14. At this time, the folding frame 2 can be unlocked. This structure locks the folding frame 2 more stably and securely, and has high structural strength, long service life and high safety.

[0031] Embodiment 2:

[0032] like Figure 4 and Figure 5 As shown, on the basis of retaining all the technical features in the specific embodiment 1, in this embodiment: the snap mechanism includes a sliding cavity 15 opened in the side wall of the swing frame 6, a slider 16 is slidably connected in the sliding cavity 15, a sliding rod 17 is fixedly connected to the upper side wall of the sliding rod 16, the upper end of the sliding rod 17 passes through the outside of the swing frame 6, a compression spring 18 is fixedly connected between the slider 16 and the inner top wall of the sliding cavity 15, the compression spring 18 is sleeved on the sliding rod 17, a clamping rod 19 is inserted and slidably connected to the side wall of the slot 10, a pull plate 20 is fixedly connected to the upper ends of the sliding rod 17 and the clamping rod 19, and one end of the clamping rod 19 is inserted in the clamping groove 13.

[0033] The side wall of the swing frame 6 is provided with a sliding hole connected to the sliding cavity 15 , and the sliding rod 17 is arranged through the sliding hole to facilitate the displacement of the sliding rod 17 .

[0034] A through hole is provided on the side wall of the swing frame 6 and is connected to the slot 10 . The clamping rod 19 is passed through the through hole to facilitate displacement of the clamping rod 19 .

[0035] Principle of this embodiment: when the hook 11 needs to be replaced, the pull plate 20 is pulled upward to drive the locking rod 19 upward. At this time, the slider 16 fixed to the slide rod 17 can be driven to slide in the slide cavity 15, and the compression spring 18 can be squeezed to generate elastic force until the locking rod 19 is completely separated from the slot 13. At this time, the displacement of the plug block 12 is no longer restricted, and the plug block 12 can be separated from the slot 10, thereby realizing the disassembly of the hook 11, which is convenient for disassembly and replacement and maintenance.

[0036] Embodiment three:

[0037] A land leveling machine is provided, on which the hydraulic bracket in the first or second embodiment is installed; the fixed frame 1 is installed on the land leveling machine; the hydraulic bracket and the folding frame 2 are installed on the fixed frame 1; by providing a hydraulic bracket mechanism and four hooks 11, the folding frame 2 is locked more stably and securely, and has high structural strength, long service life and high safety; by providing a snap mechanism, the hook 11 can be disassembled, which is convenient for disassembly and replacement and maintenance.

[0038] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A hydraulic rack, characterized in that: include: A hydraulic hanging rack mechanism and four hooks (11) are installed on a fixed frame (1), the fixed frame (1) is hingedly connected to a folding frame (2), the hydraulic hanging rack mechanism comprises two vertically symmetrically arranged concave frames (3), two connecting frames (4) are fixedly connected between the two concave frames (3), the connecting frames (4) are fixedly connected to the fixed frame (1), the four ends of the two concave frames (3) are rotatably connected to four symmetrically arranged swing frames (6) through a first rotating shaft (5), and the two opposite swing frames (6) are rotatably connected to a connecting frame through a second rotating shaft (7). A shaft (8), a hydraulic cylinder (9) is rotatably connected between the two second rotating shafts (7), a slot (10) is provided at the far end of the four swing frames (6), one end of the four hooks (11) is fixedly connected with an insert block (12), the insert block (12) is inserted in the slot (10), a buckle mechanism is provided on the swing frame (6), a slot (13) is provided on the side wall of the insert block (12), one end of the buckle mechanism is inserted in the slot (13), and a hanging rod (14) corresponding to the hook (11) is fixedly connected to the side wall of the folding frame (2).

2. A hydraulic hanger as claimed in claim 1, characterized in that: The buckle mechanism comprises a sliding cavity (15) provided in the side wall of the swing frame (6), a slider (16) being slidably connected in the sliding cavity (15), a sliding rod (17) being fixedly connected to the upper side wall of the sliding rod (16), the upper end of the sliding rod (17) passing through the outer side of the swing frame (6), a compression spring (18) being fixedly connected between the sliding rod (16) and the inner top wall of the sliding cavity (15), the compression spring (18) being sleeved on the sliding rod (17), a clamping rod (19) being inserted and slidably connected to the side wall of the slot (10), a pull plate (20) being fixedly connected to the upper ends of the sliding rod (17) and the clamping rod (19), one end of the clamping rod (19) being inserted into the clamping slot (13).

3. A hydraulic hanger as claimed in claim 2, characterized in that: The side wall of the swing frame (6) is provided with a sliding hole which is connected to the sliding cavity (15), and the sliding rod (17) is arranged through the sliding hole.

4. A hydraulic hanger as claimed in claim 2, characterized in that: A through hole communicating with the slot (10) is provided on the side wall of the swing frame (6), and the clamping rod (19) passes through the through hole.

5. A hydraulic hanger as claimed in claim 1, characterized in that: A reinforcing rod (21) is fixedly connected between the two swing frames (6) located on the same side.

6. A hydraulic hanger as claimed in claim 1, characterized in that: The fixed frame (1) and the connecting frame (4) are detachably connected by means of bolt fixing.

7. A hydraulic hanger as claimed in claim 1, characterized in that: A reinforcement frame (22) is fixedly connected between the two vertical end side walls of the concave frame (3).

8. A land leveling machine, characterized in that: It comprises the hydraulic hanger as described in any one of claims 1 to 7, wherein the fixed frame (1) is installed on the land preparation machine; and the hydraulic hanger and the folding frame (2) are installed on the fixed frame (1).

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