Direct connection type field management machine

Abstract

The utility model provides a direct connection type field management machine which comprises a machine frame, an engine shell, a gearbox body and a transmission box body, the engine shell, the gearbox body and the transmission box body are fixedly connected in sequence, and the engine shell is rotatably arranged on the machine frame. The double-acting hydraulic cylinder is used for driving the engine shell to rotate relative to the rack, a cylinder body of the double-acting hydraulic cylinder is hinged to the rack, and a piston rod of the double-acting hydraulic cylinder is hinged to the front end of the transmission box body; the hydraulic pump supplies oil to the double-acting hydraulic cylinder, the hydraulic pump is communicated with a first working chamber of the double-acting hydraulic cylinder through a first oil way, and the hydraulic pump is communicated with a second working chamber of the double-acting hydraulic cylinder through a second oil way; the first working chamber and the second working chamber of the double-acting hydraulic cylinder are communicated through a connecting oil way, and a two-way valve is arranged on the connecting oil way. According to the utility model, the pitching working angle of the machine tool of the field management machine can be adjusted to a greater extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery technical field, concretely relates to a direct connection type field management machine. BACKGROUND

[0002] Field management machine refers to small field farming machinery for operation in greenhouse, orchard, hilly and sloping land, etc. Field management machine can be matched with various tools to engage in multiple field operations such as rotary tillage, weeding, ridging, etc.

[0003] The power output shaft of the gearbox of the existing field management machine is connected with the tool through the universal joint transmission shaft to drive the tool to act. For example, a double rotary tillage harrow rotary tillage machine is disclosed by Chinese patent CN204305568U. The defects of this kind of field management machine are: because the gearbox is connected with the tool through the universal joint transmission shaft, the pitch working angle of the universal joint transmission shaft is limited, so that the pitch working angle of the tool is limited, and the region with large slope cannot be walked and operated, and forcibly adjusting the pitch working angle of the universal joint transmission shaft will seriously affect the service life of the universal joint transmission shaft.

[0004] Therefore, how to adjust the pitch angle of the tool of the field management machine to a greater extent to facilitate walking and operation in the region with large slope becomes a technical problem to be solved by the technical personnel in the field. CONTENT OF THE UTILITY MODEL

[0005] Therefore, the utility model aims at providing a direct connection type field management machine which can adjust the pitch angle of the tool of the field management machine to a greater extent to facilitate walking and operation in the region with large slope.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a direct connection type field management machine which comprises a rack, further comprises an engine shell, a gearbox body and a transmission box body which are fixedly connected in sequence, and the engine shell is rotatably arranged on the rack;

[0007] Further comprising a double-acting hydraulic cylinder for driving the engine shell to rotate relative to the rack, the cylinder body of the double-acting hydraulic cylinder is hinged to the rack, and the piston rod of the double-acting hydraulic cylinder is hinged to the front end of the transmission box body;

[0008] Further comprising a hydraulic pump for supplying oil to the double-acting hydraulic cylinder, the hydraulic pump is communicated with the first working chamber of the double-acting hydraulic cylinder through a first oil path, the hydraulic pump is communicated with the second working chamber of the double-acting hydraulic cylinder through a second oil path, the first working chamber and the second working chamber of the double-acting hydraulic cylinder are communicated through a connecting oil path, and a double-way valve is arranged on the connecting oil path.

[0009] Preferably, a connecting box body is fixedly connected between the engine housing and the transmission box body.

[0010] Preferably, a machine cover is fixedly connected to the front end of the transmission box body, a first connecting rod is fixedly connected between the top surface of the transmission box body and the top surface of the machine cover, and the piston rod of the double-acting hydraulic cylinder is hingedly connected to the first connecting rod.

[0011] Preferably, a second connecting rod is fixedly connected between the bottom surface of the transmission box body and the transmission box body.

[0012] Preferably, the frame comprises:

[0013] A plurality of transversely extending crossbars are arranged at intervals along the length direction of the field management machine, and the two ends of the crossbars are fixedly connected to the sealing plates of the traveling tracks of the field management machine.

[0014] Two longitudinally extending longitudinal rods are arranged at intervals along the width direction of the field management machine, and the engine housing is rotatably mounted on the two longitudinal rods.

[0015] Two vertically extending vertical rods are fixedly connected to the ends of the corresponding longitudinal rods close to the transmission box body.

[0016] An installation rod is connected to the upper portions of the two vertical rods, and the cylinder body of the double-acting hydraulic cylinder is hingedly connected to the installation rod.

[0017] Preferably, a bearing seat is fixedly connected to each of the two longitudinal rods, a rotating rod is arranged between the two bearing seats, and the rotating rod is fixedly connected to the engine housing.

[0018] Preferably, an inclined strut is connected between the corresponding longitudinal rod and the vertical rod.

[0019] The utility model has the following beneficial effects:

[0020] In actual use, when the double-way valve 7 is closed, the hydraulic pump 6 can supply hydraulic oil to the first working chamber and the second working chamber of the double-acting hydraulic cylinder 5 through the first oil way and the second oil way respectively, so that the piston rod of the double-acting hydraulic cylinder 5 is driven to extend or retract. When the piston rod of the double-acting hydraulic cylinder 5 extends or retracts, the engine housing 2, the gearbox body 3 and the transmission box body 4 can be driven to rotate downward or upward as a whole around the frame 1, so that the pitch working angle of the machine tool 8 can be adjusted. That is, the engine housing 2, the gearbox body 3 and the transmission box body 4 of the direct connection type rural management machine are connected in a rigid direct connection structure, and the pitch working angle of the machine tool 8 is adjusted in the form of downward rotation or upward rotation, which can adjust the pitch working angle of the machine tool 8 to a greater extent compared with the prior art, so that the machine tool 8 can walk and work in a region with a larger slope, and in actual use, the working personnel can adjust the pitch working angle of the machine tool 8 according to the actual slope of the region.

[0021] In actual use, when the double-way valve 7 is opened, the first working chamber and the second working chamber of the double-acting hydraulic cylinder 5 are connected in communication, so that the hydraulic oil in the double-acting hydraulic cylinder 5 can flow freely, that is, the piston rod of the double-acting hydraulic cylinder 5 can freely extend or retract, so that the machine tool 8 can float with the terrain, that is, has the function of imitating the terrain, and the situation that the machine tool 8 is suspended in the air is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0022] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the illustrative embodiments and the description of the present application are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0023] Figure 1 It is the whole structure schematic view of the direct connection type rural management machine of the utility model;

[0024] Figure 2 It is the internal structure schematic view of the direct connection type rural management machine of the utility model

[0025] Figure 3 It is the connection structure schematic view between the engine housing, the gearbox body and the transmission box body of the utility model;

[0026] Figure 4 It is the structure schematic view of the frame of the utility model;

[0027] Figure 5 It is the connection schematic view of the hydraulic pump and the double-acting hydraulic cylinder of the utility model;

[0028] DRAWINGS

[0029] 1-frame; 1a-cross bar; 1b-longitudinal rod; 1c-stand bar; 1d-mounting rod; 2-engine housing; 3-gearbox body; 4-transmission box body; 5-double-acting hydraulic cylinder; 6-hydraulic pump; 7-double check valve; 8-attachment; 9-connection box body; 10-attachment cover; 11-first connecting rod; 12-second connecting rod; 13-enclosing plate; 14-bearing seat; 15-rotating rod; 16-inclined strut. DETAILED DESCRIPTION

[0030] The core of the utility model lies in providing a direct connection type rural management machine, which can adjust the pitch angle of the attachment of the rural management machine to a greater extent, so as to facilitate walking and operation in a region with a large slope.

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] Reference Figures 1 to 5 The utility model embodiment discloses a direct connection type rural management machine, including frame 1, still including the engine housing 2, gearbox body 3 and transmission box body 4 that fixed connection in proper order, and engine housing 1 can rotate and set up on frame 1,

[0033] Still include the double-acting hydraulic cylinder 5 of drive engine housing 2 relative frame 1 rotation, the cylinder body of double-acting hydraulic cylinder 5 is hinged to frame 1, and the piston rod of double-acting hydraulic cylinder 5 is hinged to the front end of transmission box body 4,

[0034] Still include the hydraulic pump 6 of oil supply to double-acting hydraulic cylinder 5, and hydraulic pump 6 is communicated with the first working chamber of double-acting hydraulic cylinder 5 through first oil circuit, and hydraulic pump 6 is communicated with the second working chamber of double-acting hydraulic cylinder 5 through second oil circuit, and the first working chamber and the second working chamber of double-acting hydraulic cylinder 5 are communicated through connecting oil circuit, and double check valve 7 is arranged on connecting oil circuit.

[0035] The direct connection type rural management machine, when operating, engine power is transmitted to attachment 8 to drive attachment 8 to act after passing through gearbox and transmission box in proper order.

[0036] In actual use, when the double-way valve 7 is closed, the hydraulic pump 6 can supply hydraulic oil to the first working chamber and the second working chamber of the double-acting hydraulic cylinder 5 through the first oil way and the second oil way respectively, so as to drive the piston rod of the double-acting hydraulic cylinder 5 to extend or retract. When the piston rod of the double-acting hydraulic cylinder 5 extends or retracts, the engine housing 2, the gearbox 3 and the transmission housing 4 can be driven to rotate downward or upward as a whole around the frame 1, so that the pitch working angle of the machine tool 8 can be adjusted. That is, the engine housing 2, the gearbox 3 and the transmission housing 4 of the direct connection type farm management machine are connected in a rigid direct connection structure, and the pitch working angle of the machine tool 8 is adjusted in the form of downward rotation or upward rotation, which can adjust the pitch working angle of the machine tool 8 to a greater extent compared with the prior art, thereby facilitating walking and working in a region with a large slope. In actual use, the working personnel can adjust the pitch working angle of the machine tool 8 according to the actual slope of the region.

[0037] In actual use, when the double-way valve 7 is opened, the first working chamber and the second working chamber of the double-acting hydraulic cylinder 5 are connected in communication, so that the hydraulic oil in the double-acting hydraulic cylinder 5 can flow freely, that is, the piston rod of the double-acting hydraulic cylinder 5 can freely extend or retract, so that the machine tool 8 can float with the terrain, that is, has the function of imitating the terrain, thereby avoiding the situation that the machine tool 8 is suspended in the air.

[0038] Further, the engine housing 2 and the gearbox 3 are fixedly connected with the connecting housing 9. In actual manufacture, in order to facilitate manufacturing, the two ends of the connecting housing 9 can be fixedly connected with the engine housing 2 and the gearbox 3 through flange connection, and of course, other connection modes such as welding can also be used, which is not limited in greater detail herein.

[0039] In a more preferred embodiment, the front end of the transmission housing 4 is fixedly connected with a machine tool cover 10, the top surface of the gearbox 3 and the top surface of the machine tool cover 10 are fixedly connected with a first connecting rod 11, and the piston rod of the double-acting hydraulic cylinder 5 is hingedly connected with the first connecting rod 11, thereby increasing the rigidity and stability of the entire structure. In actual manufacture, the two ends of the first connecting rod 11 can be welded to the gearbox 2 and the machine tool cover 10 respectively.

[0040] Preferably, in order to further increase the stability of the structure, the bottom surface of the gearbox 3 and the transmission housing 4 are fixedly connected with a second connecting rod 12.

[0041] In some specific embodiments, the frame 1 comprises:

[0042] A plurality of transversely extending (i.e. extending along the width direction of the farm management machine) crossbars 1a, a plurality of crossbars 1a are arranged at intervals along the length direction of the farm management machine, and the two ends of the crossbar 1a are fixedly connected with the sealing plate 13 of the walking track of the farm management machine;

[0043] Two longitudinal rods 1b longitudinally extending, i.e. extending along the length direction of the field management machine, are arranged in the width direction of the field management machine, and the engine housing 2 is rotatably mounted on the two longitudinal rods 1b;

[0044] Two vertical rods 1c vertically extending, i.e. extending along the height direction of the field management machine, are respectively fixed to one end of the corresponding longitudinal rod 1b close to the gearbox body 3;

[0045] A mounting rod 1d is connected to the upper portions of the two vertical rods 1c, and the cylinder body of the double-acting hydraulic cylinder 5 is hingedly connected to the mounting rod 1d.

[0046] The above-mentioned rack 1 provides a bearing base for the engine housing 2 and the double-acting hydraulic cylinder 5, and has the advantages of stable structure, simple shape and convenient manufacturing.

[0047] Furthermore, in order to facilitate the assembly of the engine housing 2, a bearing seat 14 is fixed to each of the two longitudinal rods 1b, a rotating rod 15 is arranged between the two bearing seats 14, and the rotating rod 15 is fixed to the engine housing 2. In this way, under the driving of the double-acting hydraulic cylinder 5, the engine housing 2, the gearbox body 3 and the transmission box body 4 can rotate downward or upward around the rotating rod 15 to adjust the working angle of the implement 8.

[0048] In addition, in order to improve the overall stability of the rack 1, a diagonal brace 16 is connected between the corresponding longitudinal rod 1b and the vertical rod 1c.

[0049] It should be noted that each of the embodiments in the specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same and similar parts of each embodiment can be referred to each other.

[0050] It should be understood that if “system”, “device”, “unit” and / or “module” are used in the present application, it is only a method for distinguishing different components, elements, parts, portions or assemblies at different levels. However, if other words can achieve the same purpose, the words can be replaced by other expressions.

[0051] As shown in the present application and claims, unless the context clearly indicates otherwise, “one”, “a”, “an” and / or “the” do not refer to the singular, but also include the plural. Generally, the terms “include” and “contain” only indicate the inclusion of the steps and elements explicitly identified, and these steps and elements do not constitute an exclusive list. The elements defined by the statement “including a” do not exclude the presence of additional identical elements in the process, method, product or device.

[0052] In the description of the embodiments of the present application, unless otherwise specified, " / " represents the meaning of or, for example, A / B can represent A or B; "and / or" herein is only a description of the relationship between the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent: A exists alone, A and B exist together, and B exists alone. In addition, in the description of the embodiments of the present application, "multiple" means two or more than two.

[0053] Hereinafter, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features.

[0054] If a flowchart is used in the present application, the flowchart is used to illustrate the operations performed by the system according to the embodiments of the present application. It should be understood that the preceding or subsequent operations are not necessarily executed in sequence. On the contrary, each step can be processed in reverse order or simultaneously. At the same time, other operations can be added to these processes, or one or more steps of operations can be removed from these processes.

[0055] The principles and implementation modes of the present application are described by applying specific examples herein. The above description of the embodiments is only used to help understand the core idea of the present application. It should be pointed out that for ordinary skilled persons in the technical field, without departing from the principles of the present application, the present application can be improved and modified in several ways. These improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A direct-connect type farm management machine comprising a machine frame (1), characterized by, It also comprises an engine housing (2), a gearbox housing (3) and a transmission housing (4) fixedly connected in sequence, and the engine housing (2) is rotatably arranged on the frame (1); It also comprises a double-acting hydraulic cylinder (5) for driving the engine housing (2) to rotate relative to the frame (1), the cylinder body of the double-acting hydraulic cylinder (5) is hinged to the frame (1), and the piston rod of the double-acting hydraulic cylinder (5) is hinged to the front end of the transmission housing (4); It also comprises a hydraulic pump (6) for supplying oil to the double-acting hydraulic cylinder (5), the hydraulic pump (6) is communicated with the first working chamber of the double-acting hydraulic cylinder (5) through a first oil path, the hydraulic pump (6) is communicated with the second working chamber of the double-acting hydraulic cylinder (5) through a second oil path, and the first working chamber and the second working chamber of the double-acting hydraulic cylinder (5) are communicated through a connecting oil path, and a double-way valve (7) is arranged on the connecting oil path.

2. The direct connection type farm management machine according to claim 1, wherein The engine housing (2) and the gearbox housing (3) are fixedly connected with a connecting housing (9).

3. The direct connection type farm management machine according to claim 1, wherein The front end of the transmission housing (4) is fixedly connected with a machine cover (10), the top surface of the gearbox housing (3) and the top surface of the machine cover (10) are fixedly connected with a first connecting rod (11), and the piston rod of the double-acting hydraulic cylinder (5) is hingedly connected with the first connecting rod (11).

4. The direct connection type farm management machine according to claim 3, wherein The bottom surface of the gearbox housing (3) and the transmission housing (4) are fixedly connected with a second connecting rod (12).

5. The direct connection type farm management machine according to claim 1, wherein The frame (1) comprises: A plurality of transversely extending cross bars (1a), a plurality of the cross bars (1a) are arranged at intervals along the length direction of the farm management machine, and the two ends of the cross bar (1a) are fixedly connected with the sealing plate (13) of the walking track of the farm management machine; Two longitudinally extending longitudinal bars (1b), two of the longitudinal bars (1b) are arranged at intervals along the width direction of the farm management machine, and the engine housing (2) is rotatably installed on the two longitudinal bars (1b); Two vertically extending vertical bars (1c), two of the vertical bars (1c) are fixedly connected to one end of the corresponding longitudinal bar (1b) close to the gearbox housing (3); A mounting rod (1d) connected to the upper portions of the two vertical bars (1c), and the cylinder body of the double-acting hydraulic cylinder (5) is hingedly connected with the mounting rod (1d).

6. The direct connection type farm management machine according to claim 5, wherein Both of the two longitudinal bars (1b) are fixedly connected with bearing seats (15), a rotating rod is arranged between the two bearing seats (15), and the rotating rod is fixedly connected with the engine housing (2).

7. The direct connection type farm management machine according to claim 5, wherein Corresponding longitudinal bars (1b) and vertical bars (1c) are connected with diagonal braces (16).

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