44results about How to "Increase the stick out length" patented technology

The invention relates to coal mine synthesizing exploiting caving top coal technique. Electro-hydraulic control caving top coal method is adopted hydraulic support to finish support caving top coal each procedure. The hydraulic support is made up of low order caving top coal hydraulic support and electro-hydraulic control system. In the electro-hydraulic control system, top beam incline sensor is added. The flash board jack is adopted travel sensor. The length of the flash board is increased, and the size of the coal discharging is adjusted in order to keep top beam horizontal and increase supporting stability. The coal discharging method includes the following steps: top coal sufficient crashing: adopting single sequence sublevel discharging; top coal middling crashing: adopting the same; top coal difficult crashing: adopting double sequence sublevel discharging. The invention can increase coal discharging control type, improve caving top coal technique adaptability, and realize high yield and high efficiency.

The invention discloses an integrated electric lifting, stabilization and rotation turntable device. The integrated electric lifting, stabilization and rotation turntable device comprises a lifting mechanism, a stabilizing mechanism, a rotating mechanism and a box body mounted on the lifting mechanism; the rotating mechanism includes an azimuth shaft and a pitching shaft, wherein the upper end of the azimuth shaft extends out from the opening of the box body; the upper end of the azimuth shaft is provided with the pitching shaft and a driving motor through a pitching shaft mounting seat; a frame body is arranged between the shell of the azimuth shaft and the opening at the upper surface of the box body; four horizontal adjustment shafts which are separated out from each other by 90 degrees are arranged between the frame body and the shell of the azimuth shaft; a horizontal rocking shaft and a vertical rocking shaft of the stabilizing mechanism are mounted in the box body and are connected with respective driving motors; the horizontal rocking shaft driving motor is mounted on the vertical rocking shaft through a mounting seat; the horizontal rocking shaft is connected with the shell of the azimuth shaft through a connecting component. According to the integrated electric lifting, stabilization and rotation turntable device of the invention, an embedded whole frame structure is adopted, and therefore, the bearing capacity of the device can be improved, the self weight of the device can be decreased, and the operating height of the device can be decrease, and the extension length of the device can be increased, and the size and weight of the product can be small.

The invention discloses a multi-area water sampling device. The multi-area water sampling device comprises a base, a bottom board, a pin board, a first box body, a first circuit board, a storage battery, a button, an infrared transmitter, an electric push rod, an extension rod, a stud, a first rotating motor, a mounting seat, a rotating shaft, a cable, a collecting bottle, a mesh board, a second rotating motor, a bracket, a sealing board, a second box body, an infrared receiver, a second circuit board, a second storage battery and a horizontal board. The multi-area water sampling device has the beneficial effects that: the sampling device can be fixed on the side of a water source, a staff finishes sampling without getting close to the water source, and the extension rod is arranged, therefore, the extension length of the sampling device is increased, and the range of application is expanded, a plurality of sampling bottles are arranged, the staff can rapidly finish collecting sewage in different areas of the same water source, the analysis and the comparison are facilitated, the sampling efficiency is effectively improved, and a filter screen outside the sampling bottles filters dirt like a water plant and a plastic bag.

The invention discloses an oil-gas combined multi-stage damping lifting device which can solve the problems that existing equipment is great in size, is poor in effect and is short in service life. The oil-gas combined multi-stage damping lifting device comprises cylinder bodies, wherein upper cover bodies are arranged on the cylinder bodies; gas holes are formed in the upper cover bodies; buffercushions are arranged on the lower parts of the upper cover bodies; cylinder bodies sleeve the cylinder bodies; lower cover bodies are arranged on the lower parts of the cylinder bodies; pistons are arranged in the cylinder bodies; high-pressure gas cavities are formed in the cylinder bodies on the upper parts of the pistons; the cylinder bodies are arranged on the lower parts of the pistons; thecylinder bodies downward extend out of the lower cover bodies; gas holes are formed in the lower cover bodies; vacuum cavities are formed in the cylinder body portions, outside the cylinder bodies, onthe lower parts of the pistons; oil holes are formed in the side walls of the cylinder bodies; holes are formed in the middle of the pistons; and an oil cavity is defined in space in each cylinder boy, between the two pistons of the corresponding cylinder body. The oil-gas combined multi-stage damping lifting device is novel and unique in structure, is safe in use, is small in size, is great in extending-out length, is good in using effect, and is good in social and economical benefits.

The invention provides a tripod whose ground body can be easily converted. The tripod (1) has a leg (7) with a top portion (6) at the lower end, and a ground body (11) that can be switched between a grounded state and a non-grounded state is provided on the lower end side of the leg (7). , an elastic piece is arranged between the foot (7) and the ground body (11), after the ground body (11) overcomes the force of the elastic piece and moves downward relative to the foot (7), by making the ground body (11) With respect to the rotation of the legs (7), the landing body (11) is converted from the non-grounded state to the grounded state.

A lock with a bolt adjusting mechanism comprises a lock shell and a first bolt. The bolt adjusting mechanism comprises a stirring part and a slider, a rotating pivot is arranged on the stirring part, the slider is arranged at the tail end of the first bolt and can move in the horizontal direction, and the stirring part and the slider are arranged up and down. A first joint point and a second joint point are further arranged on the stirring part, and the distance between the second joint point and the rotating pivot is larger than that between the first joint point and the rotating pivot. When the slider moves to the position corresponding to the first joint point, the slider leaves the position of the second joint position, and the stirring part is jointed with the slider at the first joint point to form first drive fit; when the slider moves to the position corresponding to the second joint point, the slider already leaves the position of the first joint point, and the stirring part is jointed with the slider at the second joint point to form second drive fit. Therefore, the length of the bolt can be flexibly set according to gap sizes of different door crack gaps or according to the size of antitheft strength needing to be provided.

The invention discloses a charging pile with dual functions of reminding and storage, and belongs to the field of charging piles. According to the charging pile with dual functions of reminding and storage, the stability of connection between a charging plug and a jack can be effectively ensured through an anti-falling device, so that the probability that the charging plug falls off and is brokenis reduced; by means of a laser emitter and a laser receiver, the charging plug can be effectively detected to be plugged back into the jack by a user and is reminded after a control processor controls the charging to be completed, and the situation that an individual user forgets to reset the charging plug is prevented, so that the service life of the charging plug is effectively ensured; meanwhile, by arranging a retracting device, multiple electric telescopic plates are controlled to be sequentially shortened from right to left after card swiping and before charging, the extending length ofa charging wire is conveniently increased, and after the charging plug is inserted into the jack, the multiple electric telescopic plates are controlled to be sequentially extended from left to right, so that the redundant charging wire is collected into a wire collecting cavity to be placed.

The invention discloses a hydraulic support frame. The frame comprises a low position caving top coal hydraulic support frame, and the low position caving top coal hydraulic support frame comprises atop beam and a vertical column, a base, a cover beam, a guard plate, a guard jack, a front conveyor pushing jack, a rear conveyor pulling jack and a tail beam, a tail beam jack, an inserting board andan inserting board jack of a coal placing mechanism and an electro-hydraulic control system; the electro-hydraulic control system includes a bracket controller, an electro-hydraulic valve group, a vertical column pressure sensor, a pushing jack stroke sensor, a tail beam jack stroke sensor, an inserting board jack sensor, a vertical column and signal lines of each jack sensor. The frame is addedwith the functions of detecting and controlling the extension length of the inserting board and adjusting the size of a coal placing mouth on the basis of retaining the advantages of the electro-hydraulic control and the hydraulic support of the low position caving top coal, can improve the control effect of the coal placing, adds an adjustable variable for the electro-hydraulic control amount ofthe caving top coal, and increases the control methods of the caving top coal.

The invention discloses an anchor rod drilling machine and a using method thereof and belongs to the technical field of safe production support facilities. The anchor rod drilling machine comprises a fixing support; a fixed block is fixed to an mounting plate installed on the fixing support, a base is installed at the bottom of the fixed block, and a drilling machine support is installed on the side surface of the fixed block; a top seat is installed at the top of the drilling machine support, and a first hydraulic cylinder driving the drilling machine support to move upwards is connected between the base and the top seat; and a second hydraulic cylinder is fixed to one side of the drilling machine support, the movable end of the second hydraulic cylinder is connected to a sliding frame, a reducer fixed to the sliding frame is connected with the drill rod, and the second hydraulic cylinder drives the sliding frame and the drill rod to move upwards. The using method of the anchor rod drilling machine is listed as follows, after the drilling machine support is driven through the first hydraulic cylinder to move upwards in place, the second hydraulic cylinder drives the sliding frame and the drill rod to move upwards, when the second hydraulic cylinder is started, a hydraulic motor drives the drill rod to rotate together through the reducer, and working of drill holes is achieved. The anchor rod drilling machine expands the extension length of the drill rod.

The invention provides a guide die, which comprises a punch, a punch sleeve, a punch guide sleeve and an elastic component, wherein the punch sleeve is sheathed at the root part of the punch; the punch guide sleeve is sheathed at the tail end of the punch; the elastic component is located between the punch sleeve and the punch guide sleeve; the elastic component can generate elastic deformation in a pressure direction; after the tail end of the punch guide sleeve is under a contact force, pressure can be applied to the elastic component so as to enable the elastic component to elastically contract; after the contact force at the tail end of the punch guide sleeve is removed, the elastic component is restored to original length; and higher the degree of the elastic contraction of the elastic component is, the longer the dimension of the punch exposed out of the punch guide sleeve. According to the guide die provided by the invention, the punch guide sleeve vertically slides under the action of the elasticity of the elastic component, the punch guide sleeve clings to the punch during a forging process to perform die orifice guide with a female die orifice, and moreover, guide is performed by an outer punch guide sleeve and an outer female die guide sleeve, and therefore, the product precision is improved.

The invention relates to the technical field of charging piles, and discloses an intelligent charging pile capable of prolonging the extension length of a charging wire and enlarging the charging range. The intelligent charging pile comprises a charging pile body, a wire coiling bin is arranged at the bottom of the right side of the charging pile body, a wiring port is formed at the top of the wire coiling bin, a wire coiling roller is movably connected inside the wire coiling bin, a wire coiling groove is formed in the outer surface of the wire coiling roller, connecting shafts are fixedly connected to the two ends of the wire coiling roller, and clockwork spring clamping grooves are formed in the outer surfaces of the connecting shafts. According to the intelligent charging pile capableof prolonging the extension length of the charging wire and enlarging the charging range, the wire coiling bin is formed in the side face of the charging pile, the rotatable wire coiling roller is arranged in the wire coiling bin, a charging wire is wound around the surface of the wire coiling roller, and then the wire coiling roller is connected with the interior of the charging pile body throughthe elastic clockwork spring, the charging wire can be drawn out for a long distance to expand the charging range and can be automatically retracted to the surface of the wire coiling groove after being loosened, and the effect of increasing the charging range is achieved.

A seabed sediment acoustic in-situ detection device disclosed by the present invention comprises a rack, an acoustic feeler lever and a driving unit, the bottom of the rack is provided with a mounting rack, the driving unit is mounted on the mounting rack, the driving unit outputs power to the acoustic feeler lever, the driving unit comprises a hydraulic cylinder and a stroke amplification mechanism, and the hydraulic cylinder is mounted on the mounting rack. And the power of the hydraulic cylinder is transmitted to the acoustic probe rod through a stroke amplification mechanism. By adopting the technical scheme, the extension length of the acoustic probe rod is increased by utilizing the stroke amplification mechanism, the measurement depth is deeper, in addition, measurement is separated from a laboratory, and real-time detection is carried out in deep sea, so that the measurement accuracy is improved, the mechanism is simplified, and the mechanism stability is improved.

The invention discloses a towel hook combined shelf. A towel shelf is connected with a fixing device (6) through hinges, and a hook rod (8) is connected with the fixing device (6) and is provided with a plurality of hooks (7). A hanging device of the towel shelf is made of stainless steel, an internal wire arm (1) and an external wire arm (1) are arranged at two ends of a hinge shaft (16), hinge holes (4) arranged in the fixing device (6) are groove-shaped, grooved-shaped openings are arranged on the back surface of the fixing device (6), locking pin grooves (5) are arranged on the left edge and the right edge of the fixing device (6), and the hanging device can lean against the wall through locking pins when being folded in the locking pin grooves (5) of the fixing device through hinges. By adopting the wire hanging device, the towel hook combined shelf has a simplified structure, and most importantly, the towel hook combined shelf is a safe buffering device; and the hanging device can also be used as a lifting device for lifting the hook rod (8) and a towel rod (11). Due to a connecting structure of the hanging device and the towel rod (11), the towel rod (11) can be made of a standard stainless steel pipe, the cost is low and the appearance is attractive. The shortened fixing device can be used for alternatively combining hook rods (8) and towel rods (11) of different properties.

The invention belongs to the field of charging of an electric automobile, and particularly relates to an electric supply system capable of charging an electric automobile. The electric supply system comprises a plurality of wire poles, a guide rail, pushcart assemblies, connection disks, and a plurality of aircrafts, wherein the wire poles are vertically mounted next to a road at equal intervals along the road, the guide rail is fixedly mounted on the wire poles and located above the road, the pushcart assemblies are in sliding connection to the guide rail, the connection disks are connected with the pushcart assemblies, and the aircrafts are movably connected to positions above the connection disks. The electric supply system is arranged next to the road to timely charge the electric automobile on the road without being limited by time, and a driver of the electric automobile can charge the electric automobile in the driving process, so that the time for waiting for charging for the driver is saved. The pushcart assemblies are connected with a power line, so that power supply to the electric automobile is realized, and compared with a charging pile, the electric supply system is more flexible, and the charging location is free from limitation.

The invention relates to a parachuting training device and method. The training device comprises a supporting frame, a simulation driving part, a control driving part and a stretching part. The pull rope part is arranged on the control driving part and comprises a pull rope, a spring winding wheel, an electromagnetic clutch for controlling the rotating state of the spring winding wheel and a detection sensor for controlling the on-off state of the electromagnetic clutch, when the electromagnetic clutch is in a connected state, the spring winding wheel can rotate, and the pull rope is pulled to adjust the length of the pull rope extending out of the spring winding wheel, when the electromagnetic clutch is in a disconnected state, the spring winding wheel cannot rotate, and the length of the part, extending out of the spring winding wheel, of the pull rope is fixed; the training device is applied to the training method, and the whole parachuting process of run-up, take-off, flight and landing can be truly simulated. The state of the pull rope is controlled through the electromagnetic clutch, horizontal, vertical and rotary motion in the space in the parachuting process is achieved through the simulation driving part and the control driving part, the safety coefficient is high, and the requirement for training diversification is met.

The invention discloses a material shifting and discharging device of a straightening machine and belongs to the field of straightening machines. The material shifting and discharging device comprisesa straightening machine body. The straightening machine body is provided with three straightening rolls distributed in a triangle mode. The three straightening rolls include the position adjustable driven roll arranged on the uppermost portion and the two driving rolls arranged below. A material shifting device is arranged on the driving roll on the discharge side. The material shifting device comprises a shifting rod. Shifting plates are uniformly distributed on the shifting rod. The two ends of the shifting rod are provided with rotary rings arranged at the two ends of the driving roll on the discharge side in a sleeving mode. The rotary rings are connected with a driving device. The driving device drives the rotary rings and the shifting rod to rotate around the driving roll on the discharge side. The shifting plates are arranged between the two driving rolls. Each shifting plate comprises a connecting plate, a transition plate and a shift-out plate which are integrally arranged, and the connecting plate is connected with the shifting rod. The driving roll on the feed side is provided with a plurality of grooves. The number and positions of the grooves correspond to those of the shift-out plates. The shift-out plates can be hidden in the grooves. The rotary rings rotate to drive the shift-out plates to be pulled out from the grooves.

The invention provides a data collector buffer placement rack applied to a high acceleration test. The rack comprises a base and a support table mounted over the base, a data collector is connected with an acceleration sensor used for collecting test acceleration, the acceleration sensor is connected with the data collector through a connecting line, after the data collector acquires the acceleration of a vehicle body, one path is stored in a memory, the other path is used as a data reference of the data collector, and the jacking amplitude of a jacking block is adjusted according to the acceleration value. According to the data collector buffer placement frame applied to the high acceleration test, the problem of inaccurate data collection caused by large displacement of the data collector is effectively solved, the data collector is also protected, and the service life is prolonged.

The invention discloses a wrinkle-removing, setting and hanging ironing device for dance garment production. The device comprises a main body box of which the side is provided with moving wheels, a supporting column of which the bottom is fixed to the top of the main body box and the top is provided with a clothes hanger, a storage groove formed in the main body box and internally provided with a water storage tank, a steam outlet pipe with one end in threaded connection with the side of the main body box, a storage rack fixed to the side face of the supporting column, and a fixed frame fixed to the side face of a steam jet, wherein a protective box is fixed to the main body box on the outer side of the steam outlet pipe through bolts; and the edge of the fixed frame is movably connected with a movable frame. According to the wrinkle-removing, setting and hanging ironing device for dance garment production, a garment can be limited in the ironing process, so that the stability of the garment during ironing and the accuracy of the ironing position are guaranteed; and a steam pipeline can be stored, and meanwhile use during ironing is facilitated.

The invention discloses a trolley suitable for different stair heights. An advantage of conveniently pulling the trolley to climb the stairs is achieved. The trolley comprises a carrier. A driving device and a telescopic wheel set connected with an output end of the driving device are arranged at the bottom of the carrier, the telescopic wheel set comprises a main shaft frame coaxially connected with the output end, claw-shaped supporting plates located at the two ends of the main shaft frame and ladder climbing wheels located at the arm ends of the claw-shaped supporting plates, the main shaft frame is in linkage with the supporting plates, and the supporting plates and the ladder climbing wheels rotate relatively. The telescopic wheel set can adapt to the stairs with different heights, if the stairs are high, an extending length of the ladder climbing wheel is increased, and when the ladder climbing wheel with the lowest vertical height is located on the first step, the ladder climbing wheel with the higher vertical height can make contact with the higher step; and if the height of the stairs is lower, the ladder climbing wheel retracts, and at the moment, a path of each turn ofthe ladder climbing wheel is shortened so that the ladder climbing wheel can adapt to a low-step environment.