Abstract: Disclosed is a plant protection and management system for a center pivot and linear irrigation system. In the plant protection and management system, the movable platform is configured to provide at least one of an application unit, a seeding-fertilizer spreader unit or a monitoring unit. The application unit is configured to spray agriculture chemicals or fertilizers on crops. The seeding-fertilizer spreader unit is configured to sow seeds of crops. Further, the monitoring unit is configured to monitor crops and collect status data of the crops or status data of environment. According to different requirements on agricultural production, at least one of the application unit, the sowing unit or the monitoring unit can be selectively arranged on the movable platform so as to meet various requirements on plant protections and managements in the process of agricultural production.

Abstract: A two-way soil clearing device for single-ridge grapevine and a construction machine for mounting the device, comprising a frame part, a soil clearing mechanism, a distance measuring sensor, an expansion and contraction device and a control unit; the frame comprises a left side frame and a right side frame; the left side frame and the right side frame are provided with a soil clearing mechanism respectively and expansion and contraction devices; the distance measuring sensor is provided in front of the soil clearing mechanism; and the control unit is respectively connected with the distance measuring sensor and the expansion and contraction device. The present invention can flexibly remove the covering soil between the piles of the grapevine and the covering soil at the side of the grapevine at one time, and can operate on both sides of the same soil ridge at the same time during work.

Abstract: A self-centering pivot assembly for an agricultural implement having a tool bar is provided. The self-centering pivot assembly includes at least one spring, a bar segment operatively connected to one or more working tools of the agricultural implement, and a mounting assembly operatively connected between the tool bar and the bar segment. The self-centering pivot assembly further includes a pivot operatively connected to the bar segment and the at least one spring such that as the agricultural implements travels over the ground and the bar segment deviates laterally from a neutral position, the at least one spring temporarily compresses and urges the bar segment back towards the neutral position.

Abstract: A shank assembly for mounting on a tool bar of a farm implement includes an upper shank section having a lower portion with a generally transverse slot near a distal end thereof and a lower section having an upper portion. The lower portion of the upper section includes a slot adapted to receive the upper portion of the lower section. A ground working tool is fixedly attached to a lower extremity of the lower section. The slot has end walls formed into at least one cam surface which urges the ground working tool into simultaneous contact with both endwalls of the slot thereby locking the lower portion and the upper portion together against lateral motion in the slot.

Abstract: A snow plow member is attached to selected ones of the shanks of a cultivator frame by inserting the leading edges of the sweep at the lower end of the shank into slots formed on the rear surface of the snow plow member. A leading edge of the snow plow member follows the C-shaped curvature of the shank. The shank is clamped to the underside of the snow plow member. With such snow plow members attached to selected ones of the cultivator shanks, the snow plow members can be used to form furrows in the snow which acts to trap additional snow and to prevent the snow from being stripped from the field. The resultant increased accumulations of snow provide additional moisture retention for the field.

Abstract: A seed drill which will allow seed to be planted at a substantially constant depth regardless of contours and irregularities in the ground surface. The said drill has a tyne pivotally mounted on a frame for angular movement about a substantially horizontal axis transverse to the direction of travel. The lower end of the tyne being adapted to support a ground engaging tool with a seeding boot located rearwardly of the tool whereby the tool is arranged to form a furrow in the ground for seed discharging from the seeding boot. A spring biassing means acts between the tyne and frame for urging the tool into engagement with the ground. The spring biassing means is arranged to exert a biassing force on the tyne for counteracting the resistive force exerted on the tool as the tool traverses the soil whereby to maintain the tool at a substantially constant working depth in the soil.

Abstract: A seed drill for applying seed and/or fertilizer has a frame, reservoir, and sowing shares. The sowing shares are attached to the frame in such a way that they can move in an upright plane by means of superimposed and at least approximately parallel struts on parallelogram mounts. To essentially improve the share mounts, allowing them to be employed on direct-sowing seed drills and especially on soils thickly set with entrenched stones or other obstacles and preventing damage to the shares or share mounts when the shares are laterally overstressed, at least one strut on a parallelogram mount is elastic.

Abstract: A trip mechanism which allows the ground working tool of an implement to pivot about three orthogonal axes. The tool is connected to a shank which is attached to a carriage. The carriage is pivotally connected to the frame of an implement through a ball joint connection. Two arms extend from the carriage on one side of the ball joint and are connected to the frame thereby defining the working position. A hydraulic cylinder provides the necessary force to keep the carriage in its working position and allows deflection of the tool when an obstruction is encountered.

Abstract: A trip mechanism for a ground working tool connected to a frame. The frame is connected to a carriage using a three point connection. A pivotal member is provided in the frame and a tension member is connected between one arm of the pivotal member and the carriage. Compression springs are provided to act between a second arm and the frame. An obstruction exerting a predetermined amount of force on the ground working tool of the implement will allow the trip mechanism to be activated thus preventing damage to the tool. An adjustable stop is provided on the frame engaging the first arm when the apparatus is in its untripped position to adjust the untripped position of the second arm relative to the frame to vary the initial force required to trip the mechanism.

Abstract: A disk harrow has a frame adapted to be pulled along the ground in a normal travel direction and having at least one frame member, a mount on this frame adapted to secure same to a three-point tractor hitch, and a plurality of disk assemblies. Each of these disk assemblies in turn includes an inner pivot part fixed on the frame and forming lower, middle, and upper horizontal axes transverse to said direction, an outer pivot part spaced in the normal travel direction from the inner part and having respective lower, middle, and upper horizontal axes transverse to the travel direction. Respective rigid lower and middle links are pivoted on the parts between the respective lower and middle axes with the middle link shorter than the lower link. An upper leaf spring is pivoted on the parts between the upper axes, and a harrow disk is rotatable about a harrow axis transverse to the travel direction on the outer pivot part below the respective axes.

Abstract: A soil-cultivating machine has an elongated frame that extends horizontally and transverse to the direction of travel. A row of adjacent soil-working members are mounted on corresponding upwardly extending shafts which are geared to a common drive shaft and the members are driven in relative opposite directions to work a broad path of soil. Alternate soil-working members are slideable along beams of the frame so that debris does not jam the drive connections. The drive to the soil-working members includes an imput shaft to a gear box, which can comprise a reduction gear, and an elongated drive shaft that extends parallel to the frame and along which the slideable members are displaceable. The corresponding gears to the working members includes a pinion transmission on the drive shaft which is slideable within limits defined by an elongated key arrangement. Compression springs bias each slideable working member to a normal central position.

Abstract: An adjustable attachment for a backhoe comprises a single tooth pivotally connected to a frame, the tooth being capable of taking a plurality of angularly spaced apart positions on the frame. Tensioning means hold the tooth in a desired position, but also allow the position of the tooth to be changed by the backhoe operator by using the backhoe controls without having to leave the controls.

Abstract: A lawn treating machine consisting of a wheeled front section and a wheeled rear section hinged together by a hydraulically operated vertical hinge mechanism for steering the machine. The front section includes a hydraulically driven scattering mechanism provided at the lower outlets of a multiple-compartment hopper assembly. The scattering mechanism includes a rotating horizontal scattering disc and rotating agitating and feeding elements which feed material from the hopper compartments to the disc. The rear section carries an engine-driven hydraulic pump supplying pressure hydraulic fluid to respective hydraulic motors driving the wheels of the front section. The rear section also carries a pivotally mounted transversely extending ground-scarifying blade assembly having a plurality of sod-piercing blades, the assembly being raised and lowered by hydraulic link means.

Abstract: A one wheel garden tractor is capable of pulling a garden sweep, shovel, planter or fertilizer, wherein this garden tractor can be used in narrow and confined areas. The tractor comprises a support frame having rearward extending handle bars and an engine having a vertical drive shaft. A wheel is mounted onto the center of a horizontal axle rod rotatably mounted to the support frame. A clutch assembly and a drive chain assembly join the engine to the horizontal axle rod. A pivotally mounted bracket assembly rearwardly extends from the support frame.