CN213246543U - Spray rod assembly with vibration reduction balancing device and spray rod spraying machine - Google Patents

Abstract

The utility model discloses a spray rod subassembly with damping balancing unit, include the fixed frame who is connected with the sprayer fuselage, with the movable frame that fixed frame is connected, connect respectively at the spray lance of movable frame left and right ends and the damping balance assembly who has the damping balanced action to movable frame, movable frame wears to establish fixed frame, and the damping balance assembly is connected between fixed frame and movable frame. The movable frame is driven to move relative to the fixed frame during the vibration of the spray rod, so that the problem that the fixed connection part of the spray rod and the machine body is stressed and concentrated and is easy to break in the prior art can be solved. The vibration reduction balance assembly limits the movement of the movable frame, avoids influencing the balance and stability of the spraying machine, can also absorb the vibration energy of the spray rod, and avoids causing the damage of the spray rod. The boom sprayer comprises a rack, a suspension and the boom assembly, wherein the boom assembly is connected with the rack through the suspension, and the boom sprayer is good in balance stability and has a vibration reduction effect.

Description

Spray rod assembly with vibration reduction balancing device and spray rod spraying machine

Technical Field

The utility model belongs to agricultural machinery equipment field especially relates to a spray lance subassembly and boom sprayer with damping balancing unit.

Background

In order to improve the working efficiency, the operating range of a single stroke of the spraying machine is required to be larger and larger, so that the length of the spray rod on the spraying machine needs to be lengthened, the spray rod is obviously vibrated after being lengthened, especially when the operating environment condition is poor, because the spray rod and the spraying machine body are in a rigid connection mode, the stress on the joint of the spray rod and the spraying machine body is concentrated when the spray rod vibrates, the joint of the spray rod and the spraying machine body is possibly broken, and in addition, the whole spraying machine can be rocked when the spray rod vibrates obviously, so that the balance stability of.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spray lance subassembly with damping balancing unit can effectively solve the great problem that probably arouses that the spray lance damages and the sprayer is unstable of spray lance vibration.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a spray lance subassembly with damping balancing unit, includes the fixed frame who is connected with the sprayer fuselage, with fixed frame swing joint's movable frame, connect respectively at the spray lance of movable frame left and right ends and the damping balancing unit who has damping balancing act to movable frame, fixed frame is worn to establish by movable frame, and damping balancing unit connects between fixed frame and movable frame.

Preferably, the fixed frame comprises two first fixed rods and two connecting rods, the two connecting rods are connected between the two first fixed rods, each first fixed rod is connected with a second fixed rod, the first fixed rods and the second fixed rods are arranged in parallel and have gaps, and the two ends of the movable frame penetrate through the corresponding gaps respectively. The fixed frame is simple in structure and easy to manufacture, the two ends of the movable frame penetrate through the corresponding gaps respectively, and therefore the movable frame can move relative to the fixed frame, and stress concentration caused by rigid connection is avoided.

Preferably, the fixed frame is provided with a supporting plate which is positioned on the same vertical plane with the gaps on the two sides, the vibration damping balance assembly comprises a floating rod, a connecting plate, a vibration damping spring and a limiting part, the two ends of the floating rod penetrate through the corresponding gaps respectively, the two ends of the connecting plate are connected with the floating rod and the movable frame respectively, the vibration damping spring is connected between the floating rod and the supporting plate, and the floating rod is provided with the limiting part which can limit the horizontal displacement of the floating rod. Therefore, the balance stability of the sprayer body can be guaranteed not to be influenced while the movable frame is guaranteed to have certain horizontal displacement relative to the fixed frame. In addition, when the spray rod vibrates, the movable frame drives the floating rod to float up and down, the vibration energy of the spray rod can be absorbed through the damping spring, the vibration amplitude of the spray rod is reduced in a short time, and the spray rod is prevented from being damaged due to the fact that the spray rod always keeps large vibration.

Preferably, each end of the floating rod is provided with at least one set of limiting parts, the limiting parts are contacted with the corresponding first fixing rod or second fixing rod, and all the limiting parts are positioned in the fixing frame or positioned outside the fixing frame. When the spray rod vibrates, the limiting part and the first fixed rod or the second fixed rod are mutually abutted tightly, so that the horizontal displacement of the movable frame relative to the fixed frame can be limited, and the overall stability of the spraying machine is prevented from being influenced.

Preferably, each group of limiting parts comprises a fixed shaft and a bearing, one end of the fixed shaft is connected to the floating rod, the other end of the fixed shaft is sleeved with the bearing, and the bearing is in rolling contact with the first fixed rod or the second fixed rod. The bearing is arranged, and in the process of up-and-down floating of the floating rod, the bearing can roll up and down along the first fixing rod or the second fixing rod, so that the generated friction force is very small, up-and-down floating of the floating rod cannot be influenced, and the vibration energy of the spray rod can be absorbed more quickly and efficiently.

Preferably, two ends of the connecting plate are respectively hinged with the floating rod and the movable frame through pin shafts. Therefore, the movable frame can drive the floating rod to float up and down and can generate certain displacement along the horizontal direction relative to the fixed frame, and the movable frame is simple and convenient to realize and good in reliability.

Preferably, the upper surface and the lower surface of each end of the floating rod are respectively provided with a group of limiting pieces. Each end of the floating rod can bear larger vibration of the spray rod through the combined action of the two groups of limiting parts, and the reliability is improved.

Preferably, the damping springs are arranged in two groups, and the two groups of damping springs are symmetrically arranged at two ends of the supporting plate. This allows for more efficient absorption of vibrational energy from the spray bar.

The utility model also provides a boom sprayer, including frame, suspension and spray lance subassembly, the suspension is connected in the frame, and the spray lance subassembly is connected on the suspension, and the spray lance subassembly is one of the arbitrary spray lance subassembly that has damping balancing unit among the above-mentioned technical scheme, and fixed frame connects on the suspension. Because adopted the utility model provides a pair of spray lance subassembly with damping balancing unit, this spray lance spraying machine can just reduce the vibration range of spray lance in the short time if the condition of spray lance vibration takes place at the plant protection operation in-process, avoids causing the damage to spray lance self to this spray lance spraying machine has good balanced stability.

Compared with the prior art, the utility model discloses following beneficial effect has: set up fixed frame and movable frame, make the spray lance realize through movable frame with fixed frame's swing joint, at the in-process of spray lance vibration, the spray lance drives movable frame and produces the motion for fixed frame like this, and the easy cracked problem of stress is concentrated with fuselage fixed connection department to spray lance when having avoided spray lance vibration among the prior art. The vibration reduction balance assembly connected with the fixed frame and the movable frame is arranged again, the movement of the movable frame relative to the fixed frame is limited, the overall balance and stability of the spraying machine are prevented from being influenced, the vibration energy of the spray rod can be absorbed, the vibration amplitude of the spray rod is reduced in a short time, and the self damage of the spray rod is avoided.

Drawings

FIG. 1 is a schematic view of a spray bar assembly with a vibration dampening balance device in accordance with one embodiment;

FIG. 2 is a schematic view of a vibration damping and balancing assembly connected to a fixed frame in a first embodiment;

fig. 3 is a schematic diagram of a boom sprayer in the second embodiment.

The damping device comprises a fixed frame 1, a first fixed rod 11, a second fixed rod 12, a connecting rod 13, a gap 14, a supporting plate 15, a movable frame 2, a damping balance assembly 3, a floating rod 31, a connecting plate 32, a damping spring 33, a limiting piece 34, a bearing 341, a fixed shaft 342, a spray rod 4, a rack 5 and a suspension 6.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts thereof, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The first embodiment is as follows: as shown in fig. 1 and 2, the embodiment of the utility model provides a spray rod assembly with damping balancing unit who provides, include the fixed frame 1 of being connected with the sprayer fuselage, with fixed frame 1 swing joint's movable frame 2, connect respectively at movable frame 2 about the spray lance 4 at both ends and to movable frame 2 have the damping balanced subassembly 3 of damping balanced effect, fixed frame 1 is worn to establish by movable frame 2, damping balanced subassembly 3 is connected between fixed frame 1 and movable frame 2. Set up fixed frame 1 and movable frame 2, make spray lance 4 through movable frame 2 and fixed frame 1 swing joint, and fixed frame 1 and sprayer fuselage fixed connection, also realize swing joint with the sprayer fuselage spray lance 4 in this embodiment, change the mode of spray lance and sprayer fuselage rigid connection among the prior art, therefore when spray lance 4 vibrates in this embodiment, spray lance 4 and movable frame 2 can slightly displace along the horizontal direction and float along vertical direction with fixed frame 1 relatively, can avoid spray lance among the prior art and sprayer fuselage fixed connection department concentrate the easy cracked problem of atress. The vibration reduction balance assembly 3 connected with the fixed frame 1 and the movable frame 2 is arranged, so that on one hand, the horizontal displacement of the movable frame 2 relative to the fixed frame 1 can be limited, and the balance stability of the sprayer body is prevented from being influenced; on the other hand, the vibration amplitude of the spray rod 4 can be reduced in a short time, and the self-damage of the spray rod 4 is avoided.

In this embodiment, the fixed frame 1 includes two first fixed rods 11 and two connecting rods 13, two connecting rods 13 are connected between two first fixed rods 11, each first fixed rod 11 is connected with a second fixed rod 13, the first fixed rods 11 and the second fixed rods 12 are arranged in parallel and have gaps 14, and the two ends of the movable frame 2 penetrate through the corresponding gaps 14 respectively. The corresponding gap 14 is a gap 14 formed between the left first fixed link 11 and the second fixed link 12 through which the left end of the movable frame 2 passes, and a gap 14 formed between the right first fixed link 11 and the second fixed link 12 through which the right end of the movable frame 2 passes. This fixed frame 1 structure is simple and convenient, easily make to stable in structure is durable, and corresponding clearance 14 is worn to establish respectively at the both ends of movable frame 2, and movable frame 2 can move about fixed frame 1 relatively like this, avoids rigid connection to cause stress concentration.

Wherein, be equipped with the backup pad 15 that is in same vertical plane with both sides clearance 14 on fixed frame 1, damping balance assembly 3 includes floating rod 31, connecting plate 32, damping spring 33 and locating part 34, corresponding clearance 14 is worn to establish respectively at the both ends of floating rod 31, the both ends of connecting plate 32 are connected with floating rod 31 and movable frame 1 respectively, damping spring 33 connects between floating rod 31 and backup pad 15, be equipped with the locating part 34 that can restrict floating rod 31 horizontal displacement on the floating rod 31. The damping balance assembly 3 with the specific structure is arranged, and is matched with the floating rod 31 through the limiting part 34, so that the displacement of the movable frame 2 in the horizontal direction on the fixed frame 1 can be limited, and the balance stability of the sprayer body can not be influenced when the movable frame 2 is ensured to have certain relative horizontal displacement relative to the fixed frame 1. In addition, when the spray rod 4 vibrates, the movable frame 2 drives the floating rod 31 to float up and down, the vibration energy of the spray rod 4 can be absorbed through the damping spring 33, the vibration amplitude of the spray rod 4 is reduced in a short time, and the spray rod 4 is prevented from being damaged because the spray rod 4 always keeps large vibration.

In this embodiment, each end of the floating rod 31 is provided with at least one set of limiting members 34, and the limiting members 34 are in contact with the corresponding first fixing rod 11 or the second fixing rod 12, and all the limiting members 34 are located in the fixing frame or located outside the fixing frame. When the spray rod 4 vibrates, the movable frame 2 is driven to move horizontally and move vertically relative to the fixed frame 1, and the movable frame 2 can be limited to move horizontally relative to the fixed frame 1 by the abutting action of the limiting part 34 and the first fixing rod 11 or the second fixing rod 12, so that the whole stable balance of the sprayer is prevented from being influenced. The limiting members 34 may be disposed in contact with the second fixing rod 12 as shown in fig. 1, or disposed in contact with the first fixing rod 11 as shown in fig. 2, but it should be noted that all the limiting members 34 need to be located in the fixing frame 1 or outside the fixing frame 1 to limit the movable frame 2.

Each set of the position-limiting members 34 includes a fixing shaft 342 and a bearing 341, one end of the fixing shaft 342 is connected to the floating rod 31, the other end of the fixing shaft 342 is sleeved with the bearing 341, and the bearing 341 is in rolling contact with the first fixing rod 11 or the second fixing rod 12. In the process of the up-and-down floating of the floating rod 31, the bearing 341 can roll up and down along the first fixing rod 11 or the second fixing rod 12, so that the generated friction force is very small, the up-and-down floating of the floating rod 31 cannot be influenced, and the vibration energy of the spray rod 4 can be absorbed more quickly and efficiently.

Wherein, the upper and lower surface at each end of the floating rod 31 is respectively provided with a set of limiting parts 34, and two sets of limiting parts 34 at each end are mutually matched, so that the larger vibration of the movable frame 2 can be borne, the damage of the limiting parts 34 is avoided, and the reliability is ensured.

In this embodiment, two ends of the connecting plate 32 are hinged to the floating rod 31 and the movable frame 2 through pin shafts, respectively. Therefore, the movable frame 2 can drive the floating rod 31 to float up and down, and can generate certain displacement along the horizontal direction relative to the fixed frame 1, so that the realization is simple and convenient, and the reliability is good.

In order to absorb the vibration energy of the spray rod 4 more efficiently, two sets of damping springs 33 are arranged, and the two sets of damping springs 33 are symmetrically arranged at two ends of the support plate 31. Therefore, the vibration amplitude of the spray rod 4 can be quickly reduced, and the problem that the spray rod 4 is not broken is better guaranteed.

Example two: as shown in fig. 3, the present embodiment provides a boom sprayer, which comprises a frame 5, a suspension 6 and a boom assembly, wherein the suspension 6 is connected to the frame 5, the boom assembly is connected to the suspension 6, and the boom assembly is the boom assembly with a damping balancing device provided in the above embodiment, wherein the fixing frame 1 is connected to the suspension 6. Due to the adoption of the spray rod assembly with the vibration reduction balancing device in the first embodiment, the spray rod spraying machine can reduce the vibration amplitude of the spray rod 4 in a short time if the spray rod 4 vibrates in the plant protection operation process, the damage to the spray rod 4 is avoided, and the spray rod spraying machine has good balance stability.

The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims (9)

1. The utility model provides a spray lance subassembly with damping balancing unit which characterized in that: including fixed frame (1) be connected with the sprayer fuselage, with fixed frame (1) swing joint's movable frame (2), connect respectively spray lance (4) at both ends and damping balance assembly (3) that have damping balance effect to movable frame (2) about movable frame (2), fixed frame (1) are worn to establish by movable frame (2), damping balance assembly (3) are connected between fixed frame (1) and movable frame (2).

2. The spray bar assembly with vibration dampening balance as set forth in claim 1 wherein: fixed frame (1) includes two first dead levers (11) and two connecting rods (13), two connecting rod (13) are connected between two first dead levers (11), every first dead lever (11) all are connected with second dead lever (12), first dead lever (11) and second dead lever (12) parallel arrangement just have clearance (14), corresponding clearance (14) are worn to establish respectively at the both ends of movable frame (2).

3. The spray bar assembly with vibration dampening balance as set forth in claim 2 wherein: be equipped with on fixed frame (1) and be in same vertical plane's backup pad (15) with both sides clearance (14), damping balance assembly (3) are including floating lever (31), connecting plate (32), damping spring (33) and locating part (34), corresponding clearance (14) are worn to establish respectively at the both ends of floating lever (31), the both ends of connecting plate (32) are connected with floating lever (31) and movable frame (2) respectively, damping spring (33) are connected between floating lever (31) and backup pad (15), be equipped with on floating lever (31) and restrict floating lever (31) horizontal displacement locating part (34).

4. A spray bar assembly with vibration dampening balance as set forth in claim 3 wherein: each end of the floating rod (31) is provided with at least one group of limiting pieces (34), the limiting pieces (34) are in contact with the corresponding first fixing rod (11) or second fixing rod (12), and all the limiting pieces (34) are located in the fixing frame (1) or located outside the fixing frame (1).

5. The spray bar assembly with vibration dampening balance as set forth in claim 4 wherein: each group of the limiting parts (34) comprises a fixed shaft (342) and a bearing (341), one end of the fixed shaft (342) is connected to the floating rod (31), the bearing (341) is sleeved at the other end of the fixed shaft (342), and the bearing (341) is in rolling contact with the first fixed rod (11) or the second fixed rod (12).

6. A spray bar assembly with vibration damping counterbalance according to any one of claims 3 to 5 wherein: and two ends of the connecting plate (32) are respectively hinged with the floating rod (31) and the movable frame (2) through pin shafts.

7. A spray bar assembly with vibration damping counterbalance according to any one of claims 3 to 5 wherein: the upper surface and the lower surface of each end of the floating rod (31) are respectively provided with a group of limiting pieces (34).

8. A spray bar assembly with vibration damping counterbalance according to any one of claims 3 to 5 wherein: the damping springs (33) are arranged in two groups, and the two groups of damping springs (33) are symmetrically arranged at two ends of the supporting plate (15).

9. A boom sprayer comprising a frame (5), a suspension (6) and a boom assembly, said suspension (6) being connected to said frame (5), said boom assembly being connected to said suspension (6), characterized in that: the spray rod assembly is a spray rod assembly with a damping balancing device according to any one of claims 1 to 8, the fixed frame (1) being connected to a suspension (6).

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