151 results about "Head joints" patented technology

A liner holds objects in place within a form for a poured wall. The liner includes a backing sheet and a plurality of foam bed joints arranged in a substantially parallel fashion along a length dimension. A plurality of separate foam head joints are attached along a height dimension, wherein opposing ends of the foam head joints engage adjacent bed joints to define a plurality of regions on the backing sheet for receiving the objects to be cast in the poured wall. Each foam joint has a rounded cross section to form a curved grout line between the objects cast in the poured wall. The foam joints include an outer protective skin to prevent the poured wall material from bonding with the foam cells. A method of forming the liner includes aligning the separate foam bed joints and head joints in a grid and then pressing an adhesive-backed paper sheet against the foam joints.

A vibration absorber module for a vibration-absorbing device, in particular for a vibration-absorbing device realized for suspended attachment of the vibration absorber module to a structural installation, having a bearing structure, a pendulum system, having a pendulum mass, and having a suspension system for suspending the pendulum mass on the bearing structure, the suspension system having a number of pendulum spring elements and having a pendulum mass suspension, which extends between the pendulum mass and the bearing suspension, in the direction of a suspension axis, and the pendulum mass suspension being fastened, by means of its suspension head, to the bearing structure.The pendulum mass suspension is fastened to the bearing structure by means of a head joint, which has a pendulum bearing realized as a slide bearing, and at least one pendulum spring element of the number of pendulum spring elements extends in the direction of the suspension axis, between the pendulum mass and the bearing structure.

The invention provides an engine part and whole airtightness detection device, belonging to the technical field of machinery and solving the technical problems of high cost, poor suitability, and the like of the conventional airtightness detection device. The engine part and whole airtightness detection device comprises a stop valve, a multi-head joint, a digital pressure meter and an interface to be tested, wherein the stop valve is connected with a gas source; the stop valve, the digital pressure meter and the interface to be tested are connected with the multi-head joint; gas output by thegas source passes by the stop valve, reaches the multi-head joint and respectively flows to the digital pressure meter and the interface to be tested by the multi-head joint; the stop valve can communicate or break the gas path; and the digital pressure meter can display the pressure value of the gas path. The device has simple structure, low investment cost and great flexibility; and the digitalpressure meter has two alarm colors and is more convenient and intuitive to view.

A snake robot with an orthogonal joint structure comprises a snake head joint, multiple snake body joints and a snake nail joint which are sequentially connected in a head-to-tail manner through multiple joint connecting parts, and each snake body joint is provided with a horizontal rotating output transverse steering engine and a vertical rotating output longitudinal steering engine. The snake robot with the orthogonal joint structure is characterized in that the joints are of an orthogonal drive structure, flexibility and maneuverability of the snake robot can be improved, and serpentine motion and peristaltic movement can be carried out at the same time; the snake body joints are of a dual-steering-engine orthogonal drive structure, the size is small and exquisite, motion is flexible, and passing performance and controllability of the complex environment can be improved; modular design is adopted in the snake robot, the number of snake body modules can be increased or decreased freely, and the application range of the snake robot can be expanded; same components of steering engines, joint connecting parts and the like are adopted in the different joint components, and the maintaining difficulty is reduced.

A wall system, head joint drainage device and method adapted to allow drainage of moisture from a head joint of a structure meeting a horizontal interruption when the wall system is formed with a plurality of building products set with mortar forming a mortar joint between adjacent ones of the plurality of modular building products. A spacer has a top portion, having a length approximately equal to a depth of the plurality of building products and a width approximately equal to a width of the mortar joint, adapted to block the mortar from reaching the horizontal interruption and has a side portion adapted to keep the portion a distance away from the horizontal interruption, the distance allowing moisture drainage from the head joint.

The invention discloses an omni-directional tide observation system under the well, which relates to a tide observation system. In the invention, a system mainframe box (B) on the ground (A) is connected with an instrument body (E) which is arranged in a protecting pipe (D) of a drilling well through the transmission cable (C). The structure of the interior of instrument body (E) comprises a hoisting hole (1), a pressing spring (3), a supporting pole (4), a location device (5), a ball head joint (6), a circuit unit, a gravimeter (9), a clinometer (11), a primary leveling device (12) and a precise leveling device (13), which are connected in turn from top to bottom. The invention integrates the gravity instrument with the clinometers, which is put under the well; the gravity solid tide in the upright direction and the horizontal solid tide in two directions can be observed synchronously at the same time and place; the invention provides reliable, precise and continuous observation data; the invention can also be used in a general cave with the qualification of a triangle base.

The invention discloses an air-foam fire extinguisher, comprising a double-head external connector (2), a liquid outlet control valve (3), a double-head joint (4), a collector (5), a liquid sucking chamber (6), a distributing baffle (7), a copper sleeve (8), a nozzle (9) and a foaming cylinder (11). A screen mesh (114) is fixed on the part of the circular cylinder (111) of foaming cylinder with a maximum inner diameter; the inner part of the nozzle (9) takes a shape of funnel, the outlet thereof faces the foaming cylinder (11) and the inlet thereof is embedded in the liquid sucking chamber (6) matching with the copper sleeve (8) and the distributing baffle (7); and the inner aperture shape of the cooper sleeve (8) is matched with the shape of the top of the distributing baffle. The outside of the liquid sucking chamber (6) is provided with a circular hole communicated with the inner part of the liquid sucking chamber. The fire extinguisher increases the flow rate greatly, the sprayed foam can reach father distance than the existing air foam nozzle, and the generated foam has better flame retardance with higher fire extinguishing efficiency. The fire extinguisher can further reduce injury and death of people and property loss, minimize the harm to fire personnel.

The invention relates to an amphibious multiunit wheel type pipeline robot overhaul system. The system comprises an S-shaped robot. The S-shaped robot is formed by connecting a head joint, wheels, deflection bevel gears, lifting cylindrical joints, a drive module and a tail joint through joints. The S-shaped robot is further provided with a lower-layer control system for controlling the S-shaped robot to walk and connected with a cleaning mechanical arm, a CCD camera, lighting bulbs and various sensors. The lower-layer control system is connected with an upper computer through a cable and communicates with the upper computer, the upper computer is connected with a displayer, and the upper computer and the lower-layer control system are connected with a power source through cables. The system has the advantages that motion is flexible, switching between land and water environments is free, blockage of a sewer is effectively solved, and the blockage position is precisely positioned, and breakthrough progress is achieved for application of the field of robots.

The invention relates to a platform for analyzing the stability of a multi-rotor aircraft. The analysis platform comprises a base, a ball head joint bearing, a lower slide bar, an upper slide bar, a universal joint, an aircraft tray, and a force measuring mechanism. The upper end face of the base is connected to the lower slide bar through the ball head joint bearing. One side of the lower slide bar is provided with the upper slide bar, which can slide up and down relative to the lower slide bar. The top end of the upper slide bar is connected to the aircraft tray through the universal joint.The force measuring mechanism measures the force through the position change when the upper slide bar and lower slide bar slide relative to each other. The structure of the analysis platform is simple. After an aircraft is loaded, the actual flying state of a multi-rotor aircraft can be simulated in a lab, the actual posture change information can be obtained not just through purely theoretical dynamic modeling; during the test process, multiple attitude sensors on the multi-rotor aircraft can measure the attitude information in real time during the flying process of the aircraft, the attitudeinformation is sent to a PC, and the test result is closer to the real flight environment.

The invention discloses a camera system applicable to vacuum and cryogenic environment. The camera system comprises a seal case, a camera, a monitoring system, a heating system and a ventilation system. The camera is arranged inside the seal case; the front end of the seal case is made of transparent material; the side walls of the seal case are provided with a vacuum aviation plug, a ball-head joint pipe air-inlet mouth and a ball-head joint pipe air-outlet mouth; the vacuum aviation plug is connected with a power supply A and the monitoring system which are outside a vacuum chamber as well as the camera which is inside the seal case via cables respectively; the ball-head joint pipe air-inlet mouth and the ball-head joint pipe air-outlet mouth are connected with an air source and air which are outside the vacuum chamber via connection pipes respectively; a heating sheet is pasted onto the outside wall of the seal case and is rubber sealed; a power supply B, which is outside the vacuum chamber, is connected with the heating sheet via a cable; a thermocouple is pasted on the outside wall of seal case; and a signal line of the thermocouple is connected with the monitoring system outside the vacuum chamber. The advantages of the camera system are that: physical damage, caused by the vacuum environment, to electronic components and the like of the camera is prevented; and problem of low voltage discharge in the vacuum environment for the camera is solved.

The invention discloses a connecting mechanism of sealed insulation pipelines, comprising a straight-through joint, an insulation cap, a spherical joint, an insulation sleeve ring and a cap nut. For the pipeline connecting mechanism, the pipelines at two ends are connected in a thread way, the connecting mechanism is sealed in an end surface compression way, and insulation of a ball head joint in the connecting mechanism in the axial and radial direction is realized by adopting insulation parts made of polytetrafluo insulation material, guaranteeing metal pipelines connected with the two ends of the pipeline connecting mechanism to be in insulation state. The connecting mechanism of the sealed insulation pipelines has simple structure and convenient use and has higher application value on the requirement of insulation of the metal pipelines.

The invention relates to a pulse-type electronically-ignited flame spray gun, wherein a spray head is connected with the front end of the flame spray gun via a spray head joint; the rear end of the flame spray gun is installed at the front end of a flame spray gun main body via a nut; a liquefied gas valve is arranged on the front of the flame spray gun main body; a liquefied gas inlet tube is connected with the liquefied gas valve, and the gas conveyed from the liquefied gas inlet tube is divided into two branches via the liquefied gas valve; the gas of the first branch is connected into a handgrip valve rod chamber of the flame spray gun main body, the handgrip valve rod chamber is communicated with the flame spray gun, and a gas adjusting mechanism is arranged in the handgrip valve rod chamber; the gas of the second branch enters from a place below the liquefied gas valve and is connected to the flame spray gun tube via a pipeline from a place above the liquefied gas valve; and a pulse-type electronic ignition system is arranged in the flame spray gun main body. The pulse-type electronically-ignited flame spray gun disclosed by the invention uses the automatic pulse-type electronic ignition system, so that the product is more convenient in use and improved in the safety performance.

The invention relates to a multidirectional concentration connection and combination type scaffold for solving the problems of too many components of the prior scaffold and difficulty of dismantling the components of the prior scaffold. The scaffold consists of a hack lever and a fastener used for the connection of the hack lever. The fastener includes a joint fastener sleeved with the ends of two standing hack levers and a not-joint fastener sleeved at the external periphery of the standing hack levers; an inner convex ring corresponding to the ends of the standing hack levers is arranged in the middle of internal periphery of the head joint fastener; two to three layers of prick ears are arranged at the external periphery of the joint fastener and the non-joint fastener for the connection of diagonal hack levers and horizontal hack levers, the number of each layer of prick ears is four, and the prick ears are in the cross distribution; horizontal ears are arranged at the external periphery of the joint fastener and the non-joint fastener between two layers of prick ears for the connection of the horizontal hack levers, the number of each layer of horizontal ears is four and the horizontal ears are in cross distribution, and are distributed at the angle of 45 DEG in the circumferential direction and between the prick ears; pin holes are formed in the prick ears and the horizontal ears, ear grooves matched with the prick ears and the horizontal ears are arranged at the ends of the diagonal hack levers and the horizontal hack levers so as to be matched with the pin holes. Pin holes are formed are formed on groove walls on two sides of the ear grooves, and inner screw threads are arranged in pin holes on the groove wall on the side and pins with outer screw threads being at one end. The invention has the advantages of less connection pieces, convenient disassembly and assembly and strong reliability.

The invention relates to a pile head joint waterproof processing device and a construction method thereof. The device comprises a pile head. Steel ribs are arranged at the top of the pile head and in the pile head. The steel ribs at the top of the pile head are oblique upwards, and the top ends of the steel ribs are horizontal outwards. The lower portion of the pile head is buried in a base soil layer. A loudspeaker-shaped opening with the pile head as the center is formed in the base soil layer around the pile head. The base soil layer on the periphery of the opening is distributed horizontally. Concrete cast layers are arranged on the oblique face of the loudspeaker-shaped opening and on the horizontal base soil layer on the periphery of the opening. The thicknesses of the concrete cast layers on the oblique faces of the loudspeaker-shaped opening are the same. Cement mortar layers are continuously arranged on the top of the pile head, the side face of the pile head and the upper surface of the concrete cast layer. Flexible waterproof material layers are arranged on the cement mortar layers around the pile head. The pile head joint waterproof processing device and the construction method thereof have the advantages that by improving the prior art, the quality of a pile head joint is improved, earthwork excavated volume is lowered, human cost is saved, materials are saved, production of building waste is lowered, and great economical benefit is brought.

The invention discloses a continuous mechanical arm imitating a snake vertebra. The continuous mechanical arm imitating the snake vertebra comprises a base joint section, a head joint section and a plurality of driving wires. The continuous mechanical has the advantages that 1, load capacity is strong, and the strength and the load capacity of the spherical hinge joint are enhanced due to the arrangement of spherical hinged joints strong; 2, modeling is easy, the control difficulty is reduced, and the elastic force of a flexible supporting rod not only counteracts the friction force between the driving wires and wire guides, but also provides self-restoring force for the mechanical arm; 3, the mechanical arm is flexible for being capable of rotating by 360 DEG C; and 4, the mechanical armis easy to assemble and expand, wherein a space disc and the spherical hinged joints are combined into one and are directly arranged on the flexible supporting rod in series, the requirements can be met only by fixing a head end disc and a tail end disc, the assembly process is simple and effective, the length of a single-joint mechanical arm can be changed by increasing or decreasing the number of the spherical hinged joints which are arranged in series, and therefore, the mechanical arm has high expansibility.

The invention provides a structure of a pile head joint portion and a pile had fitting tubular body which can absorb an execution error for constructing a pile leading to a problem in the case of precasting a board for supporting an upper structure in order to intend to shorten a process, and can improve a strength of the pile head joint portion. A precast board (5) is manufactured by embedding a pile head fitting tubular body (2) which is constituted by a side plate (23) forming a pile head fitting tubular body (2) and a closing plate (22) closing open one end of a tube body, and forms an opening portion (26) in another end open so as to freely fit a pile head. The pile and the board are integrally formed by fitting the pile head portion to the pile head fitting tubular body (2) after constructing the pile, and charging an injection material (4) into the pile head fitting tubular body (2).

A flute stopper having at least one sealing means able to seal the musical cavity and translation means to adjust the positioning of said seal. Said flute stopper is designed to be capable of interfacing with the original factory screw, nut and crown via nuts and / or fittings, including either compression or NPT fittings. Both or either end of said plug may be tapered to facilitate said interfacing.

A resonance and articulation training device that includes a body with an open end and a closed end. A vertical tube is attached to the body near the closed end, and a pellet is located within the vertical tube. One or more holes along the body may be used to adjust the amount of airflow needed to lift the pellet. A mouthpiece or head joint from a musical instrument may be attached to the open end. Generating a tone with the mouthpiece or head joint creates an airflow in the body. If the airflow is sufficient, it may lift the pellet.

The invention discloses a cable trench status patrol robot. The cable trench status patrol robot comprises at least three joints. The left side and the right side of each joint are each provided witha set of travelling mechanism. Every two adjacent joints are connected with a connection shaft and a steering engine, the steering engine is arranged on the later joint and hinged to the former jointthrough the connection shaft. A head joint and / or a tail joint are / is provided with a two-degree-of-freedom cradle head. The two-degree-of-freedom cradle head is provided with a high-definition cameraand an LED light. The angles of the high-definition camera and the LED light are adjusted through the two-degree-of-freedom cradle head, at least one intermediate joint is provided with a sensor assembly used for monitoring cable trench environment parameters, a power supply for providing power for the robot, and a controller used for controlling the LED light, the travelling mechanisms and the steering engines. The robot can automatically travel in narrow, small and complex cable trenches and climbs and crosses obstacles, and by means of the high-definition camera and various sensors, the cable trench actual operation status and operation environment are monitored overall.

The invention discloses a double-seal high temperature and high pressure rotary compensator and a manufacturing method thereof. The double-seal high temperature and high pressure rotary compensator comprises an inner pipe, a packing gland, a left sliding bearing sealing compression ring, a right sliding bearing sealing compression ring, sealing packing, sliding bearing centering rings, an outer pipe and a head joint pipe and is characterized in that a double-seal structure is arranged between the inner pipe and the outer pipe; sliding bearing centering rings which are in clearance fit with the inner pipe and the outer pipe are arranged between opposite ends of the left sealing packing and the right sealing packing; the other ends of the left sealing packing and the right sealing packing are respectively provided with the left self-lubricating sliding bearing sealing compression ring and the right self-lubricating sliding bearing sealing compression ring which are in close fit with the inner pipe and the outer pipe to form into a left double-sealing packing chamber and a right double-sealing packing chamber; an unhook prevention ring is arranged at the right end of the inner pipe. The double-seal high temperature and high pressure rotary compensator has the advantages of being simple in structure, free of pushing force, large in compensation quantity and high temperature and high pressure resistant, having the falling prevention inner pipe, enabling the inner pipe and the outer pipe to rotate coaxially, being stable and flexible, having functions of reducing end surface interspace and compression area of the sealing packing and blocking high temperature and high pressure mediums to perform direct washing damage on the sealing packing, having the double-sealing effect and enabling the sealing performance of the compensator to be safe and reliable under high temperature and high pressure conditions.

Electric shaver provided with a handle and a shaver head including at least one drivable cutter element, wherein said shaver head is connected to said handle by means of a support structure providing for a swivel and / or tilting axis about which said shaver head may swivel or tilt relative to said handle, wherein said support structure includes a pair of link arms forming a four-joint linkage with each link arm having a head joint connected to a shaver head part and a handle joint connected to the handle or a base part connected thereto.

The invention discloses a terminal connection device for an elevator steel belt, which comprises a taper sleeve, an insert plate, a taper core, a first rotating shaft and a screw rod. The taper sleeve is a groove formed by bending a V-shaped plate along a symmetrical axis. The base plate and a pair of side plates parallel to each other are composed. The inner wall of the base plate is a rough surface. The upper part of the side plate is provided with a first through hole, and the lower part of the side plate is provided with a plurality of second through holes. The length of the inserting plate is similar to that of the base plate. The strip plate, the inner wall of the inserting plate is a rough surface, the two sides of the inserting plate are provided with a plurality of protrusions corresponding to the second through holes one by one, the taper sleeve and the inserting plate are fixedly connected to form a shell, and the cone core is at least Part of it is built in the shell, the first shaft passes through the first through hole to connect the screw in series, the screw can rotate around the first shaft, the first shaft is fixedly connected with the taper sleeve, and the longitudinal axes of the taper sleeve, the taper core and the screw are in the same plane . The invention has the advantages of simple structure, reasonable stress, convenient disassembly and maintenance, and low production cost.

The invention provides an animal body stretching instrument and an achieving method thereof. The animal body stretching instrument comprises a liquid crystal display screen, a control button set, an equipment electrical installation front plate, a head rotation power assembly, a tail rotation power assembly, a head joint supporting plate, a joint separation supporting plate, a tail joint supporting plate, a body joint stretching assembly, a tail joint stretching assembly, an equipment installation tail plate, a stretching stepping motor installation plate and a head joint stretching assembly. The achieving method specifically comprises the following steps that (1) an animal is fixed to the supporting plates in a supination posture or a prostrate posture; (2) under the control of the control button set, the body of the animal is made to do rotation and / or stretching through the head rotation power assembly, the tail rotation power assembly, the head joint stretching assembly, the body joint stretching assembly and / or the tail joint stretching assembly. The stretching instrument is a loading device capable of conducting 360-degree omni-directional systematical passive stretching training on the body of the animal.

The invention discloses a novel AB liquid mixed dispensing gun. The novel AB liquid mixed dispensing gun comprises a dispensing head joint, a mixed liquid cavity, a temperature control ring, an A liquid glue gun barrel, a B liquid glue gun barrel and heat insulating cloth. The novel AB liquid mixed dispensing gun is characterized in that the dispensing head joint is connected with the mixed liquid cavity, and the upper portion of the mixed liquid cavity is perpendicularly connected with the A liquid glue gun barrel and the B liquid glue barrel; and the outer walls of the A liquid glue gun barrel and the B liquid glue barrel are wrapped by the heat insulating cloth, and the outer wall of the mixed liquid cavity is sleeved with the temperature control ring. The novel AB liquid mixed dispensing gun is simple in structure, convenient to operate and high in practicality, the problem that glue is solidified to easily block a dispensing pipeline is solved and the purpose that a dispensing head is replaced can be achieved, and working efficiency is improved.

The invention discloses a compressor and a piston assembly thereof. The piston assembly comprises a piston (4) arranged in an air cylinder (10) of the compressor, and further comprises a guide shaft (1) and a ball head joint bearing (2), wherein the guide shaft (1) is fixedly connected with a motor rotor (7) of the compressor and extends into the air cylinder (10); a gas flow channel for allowing gas to pass through is arranged in the guide shaft (1); the outer surface of the guide shaft (1) is provided with a fitting surface (11) which is in sliding fit with the inner wall of the air cylinder (10); one end of the ball head joint bearing (2) is fixedly connected with the piston (4); and the other end of the ball head joint bearing (2) is connected with the guide shaft (1). The piston assembly provided by the invention ensures a gap among the motor rotor, a motor inner stator and a motor outer stator, so that the compressor is stably operated, and therefore, degree of wear of the piston is effectively reduced, and sealing performance of the air cylinder and the piston is ensured.

The invention discloses a load-sensitive multi-way valve and a hydraulic system. The load-sensitive multi-way valve comprises a head joint, a tail joint, more than one behind-valve compensation work joint and more than one front-valve compensation work joint; the behind-valve compensation work joints and the front-valve compensation work joints are arranged between the head joint and the tail joint, and the head joint, the tail joint, the behind-valve compensation work joints and the front-valve compensation work joints are fixedly connected; and a P oil supply oil circuit, an X pilot oil supply oil circuit, a Y oil drain oil circuit, a Ls load feedback oil circuit and a T oil return oil circuit pass through the behind-valve compensation work joints, the front-valve compensation work joints and the tail joint from the head joint. According to the load-sensitive multi-way valve integrating the behind-valve compensation work joints and the front-valve compensation work joints, the advantage of front-valve and behind-valve load sensitivity is achieved. The multi-way valve is provided with the behind-valve compensation work joints and the front-valve compensation work joints to achievethe load sensitivity function, the flow control performance is improved, and the host operation controllability is better.

The invention belongs to the technical field of aero-engine assembly, particularly relates to an installation device for a clamping ring type connecting baffle. The installation device comprises a base, a positioning ring, supports, pressing plates and dial gauge stands; the base is disc-shaped, and the positioning ring is fixedly arranged on the base; the dial gauge stands each comprise a dial gauge head joint, a dial gauge rod and a supporting column, wherein the supporting columns are fixed on the base, the dial gauge head joints are fixed on the supporting columns, the dial gauge rods areconnected with the dial gauge head joints, and dial gauges are installed on the dial gauge head joints; the supports are fixed on the base; the pressing plates are arranged on the supports, wherein adjusting supports are arranged at one ends of the pressing plates and are parallel with bolts, the adjusting supports are fixed to the pressing plates through nuts, and the pressing plates are evenly distributed on the base; and the pressing plates and the dial gauge stands are arranged on the outer side of the positioning ring at intervals, and between every two pressing plates is provide with a dial gauge stand. According to the installation device, the clamping ring type bolt-free connecting baffle can be assembled and disassembled.