206results about "Piping arrangements" patented technology

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.

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 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 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.

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.

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 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 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 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 present invention inter alia refers to a vehicle-body-side caliper half-body (5) for a caliper body (3) of a disc brake (1) for a vehicle, wherein the vehicle-body-side caliper half-body (5) is attached to a vehicle-body side when the caliper body (3) is attached to a vehicle, vehicle-body-side caliper half-body (5) comprises an acting portion (5b) having a cylinder hole (5a); and a bridge half body (5c) constituting a half of a bridge portion (3a) straddling an outer peripheral side of a disc rotor (2), the bridge half body (5c) is provided with a joint surface (8) configured to be joined to a vehicle-body-side-opposing caliper half-body (6, 32) located on an opposing vehicle body side, the vehicle-body-side caliper half-body (5) is formed with a hydraulic fluid introduction hole (11) configured to allow a hydraulic fluid to be introduced into a cylinder hole (5a) from the joint surface (8) toward a bottom portion side of the cylinder hole (5a), and the vehicle-body-side caliper half-body (5) is configured so that the hydraulic fluid is able to be supplied to the vehicle-body-side-opposing caliper half-body (6, 32) through the hydraulic fluid introduction hole (11).

This application discloses a release structure and device for train parking brakes, applicable to the field of rail transit technology. During normal train operation, the parking brake isolation valve is open, and the parking brake caliper unit is in a brake release state. When the parking brake isolation valve closes, the gas in the brake cylinder of the parking brake caliper unit is discharged into the atmosphere through the parking brake isolation valve, at which point the parking brake caliper unit is in a braking application state. When the parking brake isolation valve closes, the energization state of the solenoid valve changes to open its own pipe, at which point the solenoid valve opens, and the first bidirectional valve charges the brake cylinder of the parking brake caliper unit through the first air inlet, thus releasing the braking application state of the parking brake caliper unit. With the release structure proposed in this application, after the parking brake caliper unit automatically applies parking brake due to isolation, it is no longer necessary for the driver and passengers to get off the train for manual release, improving operational convenience.

The invention relates to a space-saving drilling of a hydraulic block (25) of a brake pressure regulating portion of a sliding-regulated hydraulic external force vehicle brake system.

The utility model discloses a vehicle. The vehicle comprises a power transfer oil pump; one end of the hydraulic hose is connected with the rotating oil pump; an air outlet of the air compressor is communicated with an air outlet pipe; and the fixing support is at least partially connected with the air outlet pipe, the fixing support is at least partially suitable for being fixedly connected with the engine, the fixing support is provided with an avoiding groove, and the avoiding groove avoids the connecting position of the hydraulic hose and the rotating oil pump. Therefore, the fixing support is provided with the avoiding groove so as to avoid the joint of the hydraulic hose and the rotating oil pump, so that the situation that the joint of the hydraulic hose and the rotating oil pump is blocked by the installation of the fixing support, and consequently the connection of the hydraulic hose and the rotating oil pump is difficult can be prevented; the hydraulic hose can be conveniently connected with the rotating oil pump through an electric tool, and therefore the assembling efficiency and the assembling precision of parts such as the hydraulic hose can be improved.

The application discloses a kind of oil pipe, brake master pump, oil circuit connecting structure and dismounting method, it is related to brake master pump technical field, a kind of oil pipe includes: oil pipe body;Oil needle is sleeved in oil pipe body, oil needle and oil pipe body are communicated;Pressure holding ring is sleeved in the outside of oil pipe body and oil needle;First check valve is movably sleeved in pressure holding ring;First elastic member, one end of first elastic member and oil needle contact, the other end of first elastic member and first check valve contact;Sleeved in the outside of oil pipe body and pressure holding ring is screw nut.The technical effect of the application is that it not only has low complexity degree of sealing operation, and good sealing performance.

The application belongs to the technical field of wet front axle assembly, and particularly relates to a brake oil filtering device for a wet front axle assembly and a use method thereof, which comprises a front axle body, a brake oil pipe is arranged on the surface of the front axle body, a filtering mechanism is arranged at the lower end of the brake oil pipe, and the filtering mechanism filters brake oil discharged from the brake oil pipe; a collecting mechanism is arranged in the filtering mechanism. The brake oil filtering device for the wet front axle assembly and the use method thereof are characterized in that the filtering mechanism is arranged on the surface of the brake oil pipe, the filtering screen in the filtering mechanism filters impurities in the brake oil, the fishing net and the surface structure thereof fish the impurities on the surface of the filtering screen, the surface of the filtering screen is prevented from being blocked, the circulation of the brake oil is ensured, the filtering mechanism is flat as a whole, the filtering mechanism is convenient to install in the vehicle body, the heat dissipation area of the brake oil is increased, and therefore the filtering mechanism has the characteristic of being convenient to filter the brake oil.

The utility model discloses a brake system communicating pipe for cart rescue, and relates to the technical field of large vehicle rescue. The device comprises a first air pipe communicated with a pneumatic brake system of a rescue vehicle and a second air pipe communicated with a pneumatic brake system of a rescued vehicle, wherein the first air pipe is communicated with the second air pipe through a connecting mechanism; the connecting mechanism comprises an air outlet pipe coaxially communicating with the air outlet end of the first air pipe and a connecting mechanism detachably communicating with the end, opposite to the first air pipe, of the air outlet pipe, and the connecting mechanism communicates with the second air pipe. The problem that when an existing brake system communicating pipe is used for rescuing different vehicles, the whole communicating pipe needs to be replaced together is solved.

A pipeline fixing member (10), a vehicle system (1), and a vehicle are disclosed. The pipeline fixing member (10) includes a fixing member body (100). The fixing member body (100) has a flow channel (110) and a first port and a second port located at both ends of the flow channel (110). The first port is adapted to be fixedly connected to a pipeline (30) of the vehicle system (1). The second port is adapted to be connected to a cylinder block (20) of the vehicle system (1). The fixing member body (100) has a mounting portion (120) fixedly connected to the cylinder block (20) of the vehicle system (1).

The braking device comprises: - a body (2) provided with at least one inlet port (3) of a pressurized working liquid, with at least one outlet port (4) connectable to the braking circuit (I) of a vehicle, and with at least one draining port (5) connectable to a draining tank; - a first tank (6) provided with an inlet spout (26) of the working liquid and open at the top to define a first upper port (6a) and a second tank (7) communicating with the first tank (6), - a closing element (9) of at least the first upper port (6a); - one working chamber (11) provided with at least one connecting port (12) to the second tank (7) and within which at least one braking piston (13,14) is housed sealing in a sliding manner which divides the working chamber (11) into at least one driving chamber (11a) connectable to the inlet port (3) and a braking chamber (11b) communicating with the outlet port (4) and with the connecting port (12), at least one plug element (15) being provided and connected to the braking piston (13,14) in a kinematic manner and adapted to open / close the connecting port (12); - one filtering element (8) located between the inlet spout (26) and the connecting port (12) and adapted to allow the passage of the working liquid and to retain the air bubbles contained therein.

An automobile hydraulic brake-by-wire system and a control method thereof are provided. The automobile hydraulic brake-by-wire system comprises a liquid storage tank, and a pedal feel control oil path and a pressure-boosted brake control oil path which are connected with the liquid storage tank, the pedal feel control oil path is connected in parallel with the pressure-boosted brake control oil path via decoupling isolation solenoid valves, and the pedal feel control oil path comprises a single-cavity main cylinder and a pedal feel simulator connected through an oil path. The presently disclosed system reduces the structural complexity of the braking system, solves the problem of fluctuations in the pedal feel, and realizes reliable wheel braking.

The utility model relates to a motorcycle brake lower pump assembly which comprises a pump body, an oil pipe joint and an oil inlet bolt, a threaded hole is formed in the pump body, a mounting hole is formed in the end of the oil pipe joint and communicated with an inner cavity of the oil pipe joint, and a first channel is formed in the oil inlet bolt and communicated with the inner cavity of the oil pipe joint. The oil inlet bolt penetrates through the mounting hole and then is in threaded connection with the interior of the threaded hole, so that the first channel is communicated with an inner cavity of the oil pipe joint and an inner cavity of the pump body, a threaded section connected with the oil inlet bolt is arranged on the side wall of the mounting hole, and the threaded section is located on the side, close to the pump body, of the inner cavity of the oil pipe joint. The oil inlet bolt and the oil pipe connector are connected into a whole, relative collision force generated by vibration of the oil inlet bolt and the oil pipe connector is weakened, and therefore abrasion of the connecting position of the oil inlet bolt and the oil pipe connector is weakened.

A multi-circuit protection valve assembly, comprises, is attached to or integrated into a main housing, and comprises an air inlet; main outlets; main supply lines; and main overflow valves for protecting the main outlets. The valve assembly further comprises an extension part having, attached to or integrated into an extension housing, an extension inlet; an extension outlet; an extension line; and an extension overflow valve for protecting the at least one extension outlet, wherein the extension housing is detachably fixed to the main housing such that the extension inlet is flow-connected to an auxiliary outlet in the main housing. The extension housing is detachably fixed to the main housing by a hollow screw having a cavity. Compressed air discharged through the auxiliary outlet can be conducted through the cavity inside the hollow screw to the extension overflow valve and the at least one extension outlet.