Abstract: The present disclosure is directed to an agricultural tractor. The agricultural tractor according to the present disclosure may perform gear shifting and RPM adjustment with the same operation pedal according to a control mode, may perform gear shifting with an operation pedal or a sub-controller, and may change a driving direction with a steering handle or the sub-controller. According to the present disclosure, the risk of erroneous operation and the like is minimized, work efficiency is improved, and the convenience of controlling an agricultural tractor is also improved.

Abstract: The present disclosure is directed to an agricultural tractor. In an agricultural tractor according to the present disclosure, a steering unit is coupled to a coupling target in a power supply room. According to the present disclosure, the efficiency of the assembly of a cabin and a transmission is maintained, and also vibration and noise are reduced in a boarding space.

Abstract: This disclosure relates to a connector comprising a first RF contact; a second RF contact spaced apart from the first RF contact in a first axis direction; an insulation part; and a cover shell, wherein the first RF contact includes a (1-1)th RF linker member connecting with an RF contact of the other connector; a (1-2)th RF linker member spaced apart from the (1-1)th RF linker member on the basis of a second axis direction perpendicular to the first; and a first RF linker member arranged between the (1-1)th RF linker member and the (1-2)th RF linker member on the basis of the second axis direction, the insulation part includes a first RF inspection window arranged between the (1-1)th RF linker member and the (1-2)th RF linker member on the basis of the second axis direction, and the first RF linker member is exposed through the first RF inspection window.

Abstract: The present disclosure relates to a board connector comprising: a plurality of RF contacts for transmitting radio frequency (RF) signals; an insulating portion supporting the RF contacts; a plurality of transmission contacts coupled to the insulating portion; a ground housing to which the insulating portion is coupled; and a first ground contact for providing shielding between the transmission contacts and a first RF contact among the RF contacts based on a first axial direction, wherein the ground housing includes: a ground side wall that surrounds the side surfaces of the inner space; a ground upper wall coupled to the ground side wall; and a first-1 movable ground inner wall coupled to the ground upper wall, and the first-1 movable ground inner wall is moved by being pressed with a ground contact of a counterpart connector that is inserted into the inner space.

Abstract: The present disclosure relates to a board connector comprising: a plurality of radio frequency (RF) contacts for transmitting an RF signal; an insulating part supporting the RF contacts; a plurality of transmission contacts coupled to the insulating part; a ground housing having the insulating part coupled thereto; a first ground contact coupled to the insulating part and shielding between a first RF contact from among the RF contacts and the transmission contacts; and a second ground contact coupled to the insulating part and shielding between a second RF contact from among the RF contacts and the transmission contacts, wherein the first ground contact comprises a first shielding member shielding between the first RF contact and the transmission contacts with respect to a first axial direction and shielding between the first RF contact and the transmission contacts with respect to a second axial direction perpendicular to the first axial direction.

Abstract: The present disclosure relates to a hydraulic steering device for an agricultural work vehicle comprising a steering pump for supplying working fluid; an automatic steering unit which is connected to the steering pump, and which changes, according to automatic steering performed by a control part, the traveling direction of the agricultural work vehicle by using the working fluid supplied from the steering pump; a manual steering unit which is connected to each of the steering pump and the automatic steering unit, and which changes, according to manual steering performed by the operation of a steering wheel, the traveling direction of the agricultural work vehicle, and a manual switching unit connected to each of the steering pump and the manual steering unit.

Abstract: Disclosed herein is a rotation device for an injection molding machine. The rotation device includes: a fixed plate coupled to a movable plate, and provided with a first through hole which is formed in the center thereof; a rotating plate rotatably coupled to the fixed plate, provided with a second through hole corresponding to the first through hole, and formed such that a movable mold is coupled thereto; movement pipes installed on the fixed plate and the rotating plate, disposed to pass through the first through hole and the second through hole, and configured to provide movement paths for temperature control fluid between the fixed plate and the rotating plate; and fixed blocks configured to fix the movement pipes; and wherein the movement pipes are connected to the distribution pipes of a distributor which distributes temperature control fluid at the edge of the fixed plate.

Abstract: Disclosed herein is an exhaust apparatus for an agricultural work vehicle. The exhaust apparatus for an agricultural work vehicle includes: a muffler configured to reduce the noise that is generated in the process in which the exhaust gas generated in the engine of an agricultural work vehicle is discharged out of the agricultural work vehicle; an intake part coupled to each of the engine and the muffler in order to transfer the exhaust gas, generated in the engine, to the muffler; an exhaust part coupled to the muffler in order to discharge the exhaust gas, having passed through the muffler, out of the agricultural work vehicle; and a vibration reduction part coupled to each of the intake part and the muffler in order to reduce the vibration of the muffler.

Abstract: There present disclosure relates to a hydraulic apparatus for an agricultural work vehicle, the hydraulic apparatus including: a hydraulic passage, and an oil tank configured to store hydraulic oil supplied to the hydraulic passage; a hydraulic pump configured to supply the hydraulic oil to the hydraulic passage; an oil supply conduit disposed on the hydraulic passage, and configured to connect the oil tank and the hydraulic pump to each other; an oil return conduit disposed on the hydraulic passage, connected to the oil tank at one end thereof, and configured to guide the hydraulic oil to the oil tank; and an air drain conduit formed such that one end thereof is connected to the oil supply conduit and the other end thereof is connected to the oil return conduit, and configured to guide air, contained in hydraulic oil flowing through the oil supply conduit, to the oil return conduit.

Abstract: The present disclosure relates to a board connector comprising a plurality of radio frequency (RF) contacts for transmitting RF signals; an insulation unit for supporting the RF contacts; a plurality of transmission contacts coupled to the insulation unit between a plurality of first RF contacts and a plurality of second RF contacts among the RF contacts so that the first RF contacts and the second RF contacts are spaced apart from each other along a first axial direction; a ground housing having the insulation unit coupled thereto; a first ground contact coupled to the insulation unit and shielding the first RF contacts from the transmission contacts, with reference to the first axial direction; and a second ground contact coupled to the insulation unit and shielding the second RF contacts from the transmission contacts, with reference to the first axial direction.

Abstract: Disclosed herein is a hydraulic acoustic attenuator for an agricultural tractor. The hydraulic acoustic attenuator includes: a first cylinder provided in a hydraulic line, and configured to provide a passage through which oil passes; a second cylinder configured to accommodate the first cylinder and to form a resonance chamber between the first cylinder and itself; and coupling members configured to couple both ends of the first cylinder and both ends of second cylinders to one another, respectively. The first cylinder has one or more communication holes that allow the passage and the resonance chamber to communicate with each other. The diameter of the communication holes has a range larger than 0.0 mm and equal to or smaller than 1.5 mm.

Abstract: The present disclosure relates to a rubber track unit including: a track main body configured to move by a drive transmitted from a sprocket installed in a vehicle; an elastic part configured to provide a surface pressurized by a road wheel; a support plate to which the elastic part is coupled; and a coupling part detachably coupling the support plate and the track main body so that the elastic part is detachably coupled to the track main body.

Abstract: The present disclosure relates to a cooling device for a reducing agent dosing module, the cooling device including: a first cooling part connected to a reducing agent dosing module; and a second cooling part connected to a cooling fluid line, and configured to receive cooling fluid from the cooling fluid line; wherein the second cooling part is formed to have an inner diameter larger than that of the first cooling part so that the bubbles generated due to the vaporization of cooling fluid are discharged.

Abstract: A control apparatus and a control method for a transmission of an agricultural work vehicle are provided, the control apparatus including: a forward/backward clutch of a forward/backward shifting unit that performs forward/backward shifting with respect to drive generated by an engine; and a drive clutch of a drive shifting unit that performs drive shifting with respect to the drive generated by the engine.

Abstract: The present disclosure relates to a substrate connector comprising a plurality of radio frequency (RF) contacts for RF signal transmission; an insulation unit for supporting the RF contacts; a plurality of transmission contacts coupled to the insulation unit between a first RF contact and a second RF contact so the first RF contact of the RF contacts and the second RF contact of the RF contacts are spaced from each other in a first axial direction; a ground housing to which the insulation unit is coupled; a first ground contact which is coupled to the insulation unit; and a second ground contact which is coupled to the insulation unit, wherein the first RF contact includes a first RF inspection plane with which an inspection instrument is to come in contact, and the second RF contact includes a second inspection plane with which the inspection instrument is to come in contact.

Abstract: The present disclosure relates to a board connector comprising a plurality of RF contacts; an insulation unit; a plurality of transmit contacts and a plurality of second RF contacts, so that the first and second RF contacts are spaced apart along a first axial direction; a ground housing; a first ground contact coupled to the insulation unit, and providing shielding between the first RF contacts and the transmit contacts, with respect to the first axial direction; and a second ground contact coupled to the insulation unit, and providing shielding between the second RF contacts and the transmit contacts, with respect to the first axial direction, wherein the first ground contact provides shielding between the first RF contacts and the transmit contacts, with respect to the first axial direction, and provides shielding between the first RF contacts with respect to a second axial direction perpendicular to the first axial direction.

Abstract: The present disclosure is directed to an agricultural work vehicle including: a vehicle body configured to support an engine; a transmission configured to perform shifting on drive generated by the engine; a braking unit implemented as a hydraulic brake or a mechanical brake, and configured to reduce the travelling speed of the vehicle body and control the deceleration of each of left and right wheels; an operation unit provided in the vehicle body; and a control unit configured to control the transmission and the braking unit; wherein the control unit includes a conjunctive operation module configured to control the braking unit and the forward-reverse clutch so that both the braking rate at which the braking unit reduces the travelling speed of the vehicle body and the drive transmission rate at which the forward-reverse clutch transmits drive are adjusted.