342results about "Piping arrangements" patented technology

The utility model provides a vehicle body structure and a vehicle, the vehicle body structure comprises a front wall cross beam assembly and an oil pipe which are arranged behind a power assembly in the length direction of a vehicle body, a local section of the oil pipe is located between a cross beam body of the front wall cross beam assembly and the power assembly, and the vehicle body structure further comprises a protective cover arranged on the front side of the front wall cross beam assembly and used for protecting the front wall cross beam assembly. The local section is connected with the front wall cross beam assembly and used for covering the oil pipe; the energy absorption structure is connected with the front wall cross beam assembly, and at least part of the energy absorption structure is located on the front side of the front wall cross beam assembly. According to the vehicle body structure, the collision degree of the power assembly on the front wall cross beam assembly can be reduced, the protection performance on the oil pipe is enhanced, the safety risk of oil leakage caused by the fact that the oil pipe is possibly damaged due to collision is reduced, and the collision resistance and safety of the whole vehicle are improved.

A gladhand is disclosed. The gladhand, for example, may include a gladhand body having a central axis and a substantially flat gladhand surface and a tongue that extends from the gladhand body and substantially perpendicular relative to the central axis. The gladhand, for example, may also include a concave pocket that extends from gladhand surface. The gladhand, for example, may also include a piston chamber within the gladhand body that extends substantially along the central axis and forming a piston aperture within the gladhand surface and a piston disposed within the piston chamber that actuates at least partially into and out of the piston chamber through the piston aperture along the central axis.

The application discloses a brake fluid filling and exhaust device and a control method and system thereof. The device comprises a liquid supplement tank, a liquid supplement pipeline, a liquid return pipeline, a first valve and a second valve. The liquid supplement tank is internally provided with a filter, the top of the tank body is provided with an exhaust port, one side of the tank body is connected with the liquid supplement pipeline, the liquid supplement pipeline is provided with the first valve, the other side of the tank body is connected with the liquid return pipeline, and the liquid return pipeline is provided with the second valve. When brake fluid is filled, the liquid supplement tank, the liquid supplement pipeline, a liquid storage pot, brake calipers and the liquid return pipeline are communicated to form a circulating passage of brake fluid, and when a stop-filling condition is met, the liquid storage pot stops filling brake fluid to the brake calipers, and the stop-filling condition at least comprises that gas in the brake system is exhausted. Through the technical scheme provided by the application, gas in brake fluid can be filtered, separated and exhausted from the exhaust port in the brake fluid circulation process, automatic filling and exhaust of brake fluid are realized, and the filling and exhaust efficiency of brake fluid is improved.

An axial force measurement device includes a frame, a tightening actuation unit that performs tightening operation upon a screw type tube fitting installed upon a tube upon which is formed an annular portion projecting in the radially outward direction from the tube, a testing member, and a mating member holding unit that holds the testing member into which the tube fitting is screwed and that is coupled to the tube. The tightening actuation unit and the mating member holding unit are provided to the frame in line along the direction of a reference axis that extends in the direction of the center line of the tube fitting and the tube axis of the tube. The testing member has a first part that engages with the tube fitting, and a second part against which the annular portion of the tube is pressed.

Disclosed is a hydraulic unit for a brake system. A hydraulic unit according to the present embodiment may include a main reservoir tank, a hydraulic block having a reservoir bore, a cylinder bore, a motor bore, a hydraulic flow path, and a valve bore, and an electronic control unit, in which the motor bore is provided on a first surface of the hydraulic block, in which a housing of the electronic control unit is provided on a second surface of the hydraulic block, in which the main reservoir tank includes a coupling part, an extension part, and a connection part.

The invention provides a self-adaptive energy-saving control method, device, equipment, system and vehicle, and relates to the technical field of vehicle control. The method comprises the steps that if the new energy vehicle is in a parking mode, the trailer connection state of a tractor is detected; if the tractor is connected with the trailer, a gas circuit electromagnetic valve arranged on a main gas circuit pipeline between the tractor and the trailer is controlled to be opened, and a blast pump is started to charge the pressure of a trailer gas storage cylinder on the tractor to a preset initial pressure maintaining threshold value; after the preset initial pressure maintaining threshold value is reached, the inflation pump is controlled to stop working, pressure monitoring is conducted on the trailer air cylinder, and the monitored pressure value of the trailer air cylinder is obtained; determining the leakage level of the trailer brake circuit according to the monitored pressure value; and according to the leakage grade, the air path electromagnetic valve and the blast pump are correspondingly controlled. The air pump can be prevented from being frequently awakened in the parking process, energy consumption and noise are reduced, the driving range of the whole vehicle is increased, rest comfort is improved, and the service life of the air pump is prolonged.

An aircraft system is disclosed including a hydraulic actuator, an inlet line for supplying hydraulic fluid to the hydraulic actuator, an outlet line for removing hydraulic fluid from the hydraulic actuator, a first one-way valve configured to allow fluid flow along the inlet line in a direction toward the hydraulic actuator, and a second one-way valve configured to allow fluid flow along the outlet line in a direction away from the hydraulic actuator.

The utility model belongs to the technical field of hydraulic brake valves, and particularly relates to a hydraulic brake valve with an angle sensor, which comprises a mounting frame, a valve body is fixedly mounted on one side of the mounting frame, a slide valve cavity is arranged in the valve body, an output port communicated with the slide valve cavity is arranged above the valve body, and the angle sensor is arranged in the slide valve cavity. An input port communicated with the sliding valve cavity is formed in the side face, an oil return port communicated with the sliding valve cavity is formed below the sliding valve cavity, a valve element is slidably inserted in the sliding valve cavity, and the input port is formed between the output port and the oil return port; the other face of the mounting frame is movably connected with an operation panel, and a side frame is arranged on one side of the mounting frame. According to the novel automobile lamp, the stable adjusting control effect is achieved, the structure is compact, the braking effect is sensitive, a user can conduct fine adjustment according to needs through the operation panel, meanwhile, the angle sensor is arranged, the application scene that the new energy engineering automobile lamp needs signal feedback is met, and the user can know the adjusting control condition in real time.

The utility model relates to a heavy-duty car brake pipe wire harness multi-degree-of-freedom fixed guide support, which comprises a fixed support, a connecting rod and a guide fixing groove, the fixed support is arranged on a vehicle chassis, the fixed support is connected with the guide fixing groove through the connecting rod, the guide fixing groove is provided with a brake pipe wire harness, and the brake pipe wire harness is fixed through a fastening belt; the device is simple in structure and convenient to assemble; after the brake pipe wire harness is connected with the guide fixing groove through the fastening belt, the brake pipe wire harness is consistent in state, uniform in allowance and neat in arrangement, and the requirement for multi-degree-of-freedom movement of a cab in the vehicle running process and the requirement for complex overturning movement tracks of the cab in the vehicle inspection and maintenance process are met.

The present invention obtains a brake hydraulic pressure control apparatus that is mounted to a straddle-type vehicle and can improve an anti-vibration property when compared to the related art. The brake hydraulic pressure control apparatus according to the present invention includes: a base body formed with a channel for a brake fluid; a control board of a hydraulic pressure control mechanism for the brake fluid provided to the channel; a housing accommodating the control board and connected to the base body; and a connector provided to the housing and electrically connected to the control board, and is mounted to the straddle-type vehicle. The brake hydraulic pressure control apparatus includes a holding section that holds a cable connected to the connector.

The invention belongs to the technical field of engineering machinery, and discloses a brake hydraulic system and engineering machinery. According to the brake hydraulic system, service braking is adopted, reliable braking force can be provided, the two service brake valves and the electric proportional brake valve are connected in parallel, the path with the largest oil pressure is supplied to the service brake oil cylinder after judgment is conducted through the first shuttle valve and the second shuttle valve, and the service brake oil cylinder is connected with the electric proportional brake valve. Automatic signals and active operation of a driver can be perfectly coordinated, conflicts are avoided, and the system is simple and high in reliability.

The utility model relates to the technical field of air brake steel pipes, and discloses an anti-corrosion air brake steel pipe which comprises an air brake steel pipe body and a connecting ring, fixing rings are fixedly arranged at the two ends of the air brake steel pipe body, and the outer surface of the air brake steel pipe body is coated with an anti-corrosion coating. The threaded caps are aligned and inserted into the corresponding connecting rings, then the threaded caps are rotated to rotate the hemispheroid clamping blocks into the corresponding spherical clamping grooves in the connecting rings, at the moment, the hemispheroid clamping blocks are connected with the corresponding spherical clamping grooves in a clamped mode under the springback effect of the springs, and rapid installation of the air brake steel pipe is achieved. By rotating the fixing ring, the hemispheroid clamping block is separated from the spherical clamping groove and retracts into the mounting groove again to complete unlocking, and then the air brake steel pipe can be rapidly disassembled; the anti-corrosion coating has good adhesive force and abrasion resistance, the air brake steel pipe can be effectively protected from being affected by the external environment, meanwhile, the air brake steel pipe can be effectively prevented from being corroded, and the service life of the air brake steel pipe is greatly prolonged.

The present invention provides a vehicle braking system and a vehicle. The vehicle braking system (1) comprises a brake fluid control assembly (100), connecting oil pipes (300), and a brake master cylinder assembly (200). The brake fluid control assembly comprises an oil circuit block (110) and a pressure booster (120). The pressure booster is mounted on the oil circuit block. Oil circuit block ports (111) are provided on the side of the oil circuit block, and one end of each connecting oil pipe is connected to an oil circuit block port, and the brake master cylinder assembly and the brake fluid control assembly are arranged separately. Assembly ports (210) are provided on the outer circumferential surface of the brake master cylinder assembly, and the other end of each connecting oil pipe is connected to an assembly port. The brake master cylinder assembly communicates with the brake fluid control assembly by connecting oil pipes, and both the brake master cylinder assembly and the pressure booster can be driven to output brake fluid from the oil circuit block.

The utility model relates to a gas circuit hitching device for a tractor, which solves the problem that the universality of a gas circuit interface is poor when the tractor is hitched with a semitrailer at present. Comprising a bracket (1), a left partition wall three-way joint (2), a right partition wall three-way joint (3), a left yellow spiral pipe (4), a right yellow spiral pipe (5), a left red spiral pipe (6), a right red spiral pipe (7), a yellow cover palm type connector (8), a left quick connector connector (9), a right quick connector connector (10) and a red cover palm type connector (11). A left partition wall three-way joint (2) is fixed on a bracket (1), two ends of the left partition wall three-way joint (2) are connected with a left yellow spiral pipe (4) and a right yellow spiral pipe (5) through nuts of a pipeline, the left yellow spiral pipe (4) is in butt joint with a yellow cover palm type connector (8), and the right yellow spiral pipe (5) is in butt joint with a left quick plug connector (9) to form a left side control pipeline. According to the utility model, semitrailers with two interface forms can be quickly connected, and the transportation efficiency is improved.

This utility model discloses a tube bundle support assembly and a vehicle having the same. The tube bundle support assembly includes a tube bundle support and cable ties. The tube bundle support includes a front tube bundle support and a rear tube bundle support. The front tube bundle support is adapted to be installed at the front of the thrust rod crossbeam, and the rear tube bundle support is adapted to be installed at the rear of the thrust rod crossbeam. Both the front and rear tube bundle supports include: a mounting portion, which is mounted on the thrust rod crossbeam and extends upward; and a horizontal extension portion, which extends along the length of the thrust rod crossbeam, with its middle portion connected to the upper end of the mounting portion. The cable ties are wrapped around the horizontal extension portion and adapted to secure the tube bundle. The tube bundle support assembly according to this utility model embodiment has advantages such as improved vehicle safety performance and neater pipe arrangement.

The utility model relates to the technical field of vehicle engineering, and provides a parking braking system which comprises an air storage cylinder, the air inlet end of the air storage cylinder is communicated with an air pump and used for storing air compressed by the air pump, the air outlet end of the air storage cylinder is communicated with a three-position four-way electromagnetic valve, and the three-position four-way electromagnetic valve is communicated with a parking braking air chamber and a gearbox power cut-off air cylinder. The parking braking air chamber is connected with a gearbox parking brake, and the gearbox power cut-off air cylinder is connected with a speed change valve of the gearbox; the three-position four-way electromagnetic valve is connected with the parking braking switch, and the parking braking switch comprises a parking gear, a driving gear and an emergency braking gear and is used for controlling the three-position four-way electromagnetic valve to be in a corresponding parking state, a driving state and an emergency braking state. The problem that driving is carried out when parking braking is not completely relieved can be avoided, emergency braking of the vehicle is not affected, and the using safety of the vehicle is improved.

The utility model provides a loader booster pump arrangement structure, which belongs to the technical field of loaders and comprises a plurality of booster pumps and a brake valve, the booster pumps are arranged below a loader cab side by side, the brake valve is arranged in the loader cab, and the brake valve is connected with the booster pumps through brake air pipes. By shortening the distance between the booster pump and the brake valve, the air pressure loss between the booster pump and the brake valve is reduced, so that the brake performance of a vehicle is ensured.

A (pneumatic) trailer braking system including: a supply line 44; a spring brake (58; fig. 1), a spring brake control valve (10; fig. 1); an immobiliser 80 having a brake release position and an immob

The present invention provides a hydraulic operating system, particularly for automotive brakes in hybrid or electric vehicles, or for a clutch and / or at least one gear actuator. [Solution] The main components of a pressure supply device, such as a piston-type or double-stroke piston-type pump having one or two working chambers for pressure changes within a single hydraulic circuit, and also its electric drive and intermediary transmission mechanism, particularly a recirculation ball mechanism or trapezoidal spindle mechanism, and also a valve device having at least one solenoid valve, hydraulic ports for at least two hydraulic consumption components of the hydraulic actuation system, and also an electric control unit (ECU) for activating the solenoid valve and the electric drive, are incorporated into one module (hereinafter referred to as the main module).

The invention relates to a multi-circuit protection valve assembly (2), comprising, attached to or integrated into a main housing (2b), an air inlet; main outlets (6); main supply lines; and main overflow valves for protecting the main outlets (6), wherein it further comprises an extension part (20) having, attached to or integrated into an extension housing (25), an extension inlet (21); an extension outlet (7); an extension line; and an extension overflow valve for protecting the at least one extension outlet (7), wherein the extension housing (25) is detachably fixed to the main housing (2b) such that the extension inlet (21) is flow-connected to an auxiliary outlet (19) in the main housing (2b). According to the invention, the extension housing (25) is detachably fixed to the main housing (2b) by a hollow screw (30) having a cavity, wherein said hollow screw (30) passes through the extension housing (25) and is screwed into the auxiliary outlet (19) such that the extension housing (25) is clamped to the main housing (2b), and such that compressed air discharged through the auxiliary outlet (19) can be conducted through the cavity inside the hollow screw (30) to the extension overflow valve and the at least one extension outlet (7).

The utility model relates to the field of brake hoses, and discloses a corrosion-resistant brake hose for a brake system, which comprises a hose body, the hose body is sequentially divided into an inner pipe layer, a reinforcing layer and an outer pipe layer from inside to outside, pipe joints are fixedly connected to two ends of the hose body, and limiting components and connecting components are arranged on the outer walls of the pipe joints. The limiting assembly comprises a sliding sleeve, the inner wall of the sliding sleeve is slidably connected to the outer wall of the pipe joint, the inner wall of the sliding sleeve is fixedly connected with a spring, the end, away from the sliding sleeve, of the spring is fixedly connected to the inner wall of the pipe joint, and the side, away from the spring, of the sliding sleeve is fixedly connected with a first gear ring. The connecting assembly comprises a fixing nut, and the inner wall of the fixing nut is connected to the outer wall of the pipe joint in a sliding mode. According to the pipe joint, the limiting assembly in the first sliding groove arranged in the pipe joint is matched with the connecting assembly in the second sliding groove, so that the fixing nut can be prevented from being accidentally loosened due to vibration and the like through clamping of the first gear ring and the second gear ring.

The invention relates to the technical field of automobile brake pipe installation, in particular to an automobile brake pipe installation structure which comprises an installation frame installed on a vehicle chassis, and a buffering piece is installed on the installation frame. One side of the mounting frame is provided with a bracket which is matched and mounted through a fixing screw; two symmetrical rotating pieces are installed on the support, and two blocking pieces capable of limiting the two rotating pieces are arranged on the fixing screw. In the using process of the device, the angles of parts in the brake pipe mounting frame can be adjusted according to different brake pipe mounting angles, the mounting requirements of the brake pipe are further met, different brake pipe mounting frames do not need to be matched according to the actual requirements of different brake pipes, and meanwhile in the process of fixing the brake pipe, the brake pipe mounting frame is convenient to use. And through hydraulic extrusion on one side, the fixing effect of the mounting frame on the brake pipe can be further improved, so that the brake pipe is prevented from being separated from the mounting frame, and the practicability of the device is indirectly improved.

The present disclosure relates to a disc braking system (10), comprising: a brake disc (12); first and second perforated brake pad arrangements (14,16) each comprising a brake pad (52), and each having a backside (18) facing away from the brake disc (12) and a frontside (20) facing the brake disc (12) and being configured to interact with the brake disc (12) upon the disc braking system (10) being operated; an air blowing arrangement (22) arranged to blow air into a space between the frontsides (20) of the first and second brake pad arrangements (14,16) and the brake disc (12); and an air suction arrangement (24) coupled to the backsides (18) of the first and second brake pad arrangements (14,16) and being controllable to suck dust resulting from braking through the first and second brake pad arrangements (14,16), wherein the air blowing arrangement (22) comprises an expansion valve (26), a perforated plate (28), and a diffuser (30) in series.

The utility model discloses an angle free adjusting device for a locomotive end part connecting pipe, which relates to the field of locomotive end part connecting pipes and comprises a connecting pipe body, one end of the connecting pipe body is rotatably connected with an angle adjusting mechanism, the angle adjusting mechanism comprises a rotating sleeve, and one end of the rotating sleeve far away from the connecting pipe body is fixedly provided with an extending end. A first annular sliding block and a second annular sliding block are fixed to the inner wall of the rotating sleeve, a gap is reserved between the first annular sliding block and the second annular sliding block, and two annular sliding grooves allowing the first annular sliding block and the second annular sliding block to rotate respectively are formed in the outer side of the connecting pipe body. The extending end is fixedly connected with an air supply assembly of the locomotive through the external thread, and when the angle of the connecting pipe body needs to be changed, the angle between the connecting pipe body and the rotating sleeve is changed by rotating the rotating sleeve, so that the mounting requirements of different angles of the connecting pipe body are met.

The present invention relates to an anti-lock braking system (ABS) module (200) for a vehicle having an integrated DC-DC converter (114). The ABS module (200) comprises at least one pump (102) connectable to a brake master cylinder (104), at least one electric motor (106) for operating the at least one pump (102), at least one valve (108) in fluid communication with the at least one pump (102), and a control unit (110) powered by a main power supply (112) through the DC-DC converter (114) to operatively control the at least one electric motor (106) and the at least one valve (108), characterized in that the DC-DC converter (114) is integrated within the control unit (110). In an embodiment of the invention, the electric power supplied to the at least one electric motor (106) and the at least one valve (108) is through the DC-DC converter (114).

A hydraulic manifold block (100), provided with a plurality of liquid passage interfaces (1). The plurality of liquid passage interfaces (1) are arranged on a same side of the hydraulic manifold block (100), so as to mount at least part of an external module (200) on a same side of the hydraulic manifold block (100). By using the hydraulic manifold block (100), transfer joints and the difficulty of arrangement of a connecting pipe can be reduced, loss of pressure in a delivery process can be reduced, and product integration and braking efficiency can be improved. Further provided are a braking system (600) having the hydraulic manifold block (100), and a vehicle (1000).

A trailer braking system including: a supply line (44) for connection to a continuous source of pressurised fluid; a spring brake, which has an apply position and a release position, and the spring brake moves to the release position when pressurised fluid is provided at or above a threshold; a spring brake control valve (10), which controls the flow of fluid to the spring brake; an immobiliser (80) having a brake release position and an immobilise position, which control the flow of pressurised fluid to the spring brake control valve, such that when in the brake release position, the spring brake control valve is operable to cause the flow of pressurised fluid into the spring brake or to vent the spring brake chamber depending on the fluid pressure present, and when in the immobilise position, in which the spring brake control valve is not operable, and a shunt valve (46') including a first port connectable to the supply line, a second port connectable to the spring brake control valve, a third port connectable to a brake reservoir (40), and a fourth port connectable to the immobiliser, the shunt valve having a first and second state, wherein in the first state, the first and second ports are connected, and in the second state, the second and fourth ports are connected to the third port.

The invention relates to a railway vehicle backup braking system which comprises a backup braking pipeline, a two-way valve, a first air charging pipeline, a pressure valve and a second air charging pipeline. Wherein the backup brake pipeline is communicated between a main blast pipe and a train pipe; the two-way valve is respectively connected with the first air charging pipeline, the second air charging pipeline and the brake cylinder; the first air charging pipeline is communicated between the train pipe and the two-way valve; the second air charging pipeline is communicated between the train pipe and the two-way valve; the pressure valve is arranged in a train pipe and is electrically connected with the electromagnetic valve; during backup braking, the pressure valve monitors the pressure value in the train pipe in real time, the power-on and power-off state of the electromagnetic valve is controlled according to the pressure value, and then the air charging pipeline providing pressure for the brake cylinder is automatically switched. The gas circuit principle and the circuit principle of backup braking control are optimized, the problem that the upper limit of the pressure of a brake cylinder of an existing backup braking system is low is solved, and the safety of backup braking is improved.

The embodiment of the invention provides a brake connecting device and a railway vehicle. The brake connecting device comprises an inner container pipe; the connecting sheath is arranged on the outer side of the inner container pipe in a sleeving manner; the number of the outer protection pipes is two, the two outer protection pipes are arranged on the outer side of the inner container pipe in a sleeving mode and are distributed in the axial direction of the inner container pipe, and the ends, facing each other, of the two outer protection pipes are matched with the connecting protection sleeve in an embedded mode; at least one of the two outer protective pipes can move relative to the connecting protective sleeve in the axial direction of the inner container pipe. The connector is connected with one of the outer protective pipes; and the fixed joint is connected with the other outer protective pipe. According to the brake connecting device, the total length can be shortened, and the brake connecting device can be prevented from drooping and falling to the ground.

The utility model discloses a pressure maintaining solenoid valve for a vehicle electric control system, which comprises a pressure maintaining solenoid valve, a water outlet pipe is fixedly arranged at the lower part of the outer surface of the left side of the pressure maintaining solenoid valve, a water inlet pipe is fixedly arranged at the lower part of the outer surface of the right side of the pressure maintaining solenoid valve, and an internal thread ring is arranged at the right end of the inner cavity of the water inlet pipe; a junction box is fixedly installed on the upper portion of the outer surface of the right side of the water inlet pipe, a filtering assembly is installed in the water inlet pipe, and the filtering assembly comprises a fine filtering cylinder, a primary filtering cylinder, a fixing ring, a second limiting ring, a positioning hole, a positioning pin and a rubber ring. According to the pressure maintaining electromagnetic valve for the vehicle electronic control system, the filtering assembly is arranged, impurities are conveniently filtered out through the primary filtering cylinder and the fine filtering cylinder, normal work of the electromagnetic valve is protected, the sealing performance of an external pipeline of a water inlet pipe is improved through the rubber ring, the limiting effect is achieved through the positioning pin and the positioning hole, and the pressure maintaining electromagnetic valve is convenient to use. The stability of the rubber ring is improved.