31results about How to "Free distance adjustment" patented technology

The invention relates to an adjusting device of X-ray imaging equipment, comprising an X-ray supporting frame for mounting an X-ray source, a detector supporting frame for mounting a detector, a supporting beam with a sliding rail, a first driving unit and a second driving unit. The X-ray supporting frame and the detector supporting frame are arranged on the sliding rail of the supporting beam, the first driving unit drives the X-ray supporting frame to move on the sliding rail, and the second driving unit drives the detector supporting frame to move on the sliding rail. The adjusting device of the X-ray imaging equipment also comprises a control device and a rotating motion generating unit which drives the X-ray source and the detector to rotate around a rotating central shaft and is connected with the supporting beam, and the control device controls the first driving unit, the second driving unit and the rotating motion generating unit. The X-ray imaging adjusting device adjusts three distances by adopting a single detector to realize imaging scanning which integrates panorama scanning, CT (Computerized Tomography) scanning and head scanning and has simple operation and cost saving.

The invention discloses a ground penetrating radar auxiliary device for train track detection. The ground penetrating radar auxiliary device comprises a walking device and a detecting and adjusting device mounted on the walking device, the walking device is clamped on a railway track and driven to travel by a driving motor; the detecting and adjusting device is installed above the walking device,and the ground penetrating radar auxiliary device suspended at the bottom is controlled by the detecting and adjusting device to move to a suitable detecting position and detecting height to detect the railway track; and a balance weight sliding platform in the detecting and adjusting device can maintain the center of gravity of the whole device always in a central area in the process of adjustment, and the problem of rollover caused by the instability of the center of gravity due to the fact that the sliding platform is detected to slide to one side is avoided. The ground penetrating radar auxiliary device is simple in structure and high in working efficiency, all the detection areas of all areas of the railway track can be realized, the distance between the detecting device and the detecting surface can be freely adjusted, and the detection accuracy can be ensured.

The invention relates to a computer desk with adjustable legs, and belongs to the technical field of furniture. The computer desk comprises a face plate and the four desk legs connected with the bottom of the face plate. The computer desk is characterized in that an adjustable sleeve leg is arranged at the bottom of each desk leg, and the bottom of each desk leg is inserted into the corresponding adjustable sleeve leg in a sleeved manner and is movably connected with the adjustable sleeve legs. Installation plates are arranged at the symmetric positions of the front portion and the back portion of the bottom of the face plate; a strip-shaped instillation opening is formed in each installation plate; and a plurality of notches are formed in the lower edge of each strip-shaped instillation opening. Each front desk leg and the corresponding back desk leg in a set are connected through a connecting rod; the two ends of each connecting rod are arranged in the corresponding notches of the strip-shaped instillation openings in the front installation plate and the back installation plate; and the desk legs and the face plate are movably connected in a clamped manner through the connecting rods and the installation plates. The computer desk is simple in structure, convenient to use, reasonable in design and flexible in operation; the studying and recreation environment is improved; new functions are given to the computer desk; and greater convenience is brought to using of people.

The invention discloses a distance-adjustable one-arm two-suspension-rod device. The distance-adjustable one-arm two-suspension-rod device comprises a cross arm, a first suspension rod and a second suspension rod, wherein a guide rail is fixedly mounted under the cross arm; pulleys are fixedly mounted at the top ends of the first suspension rod and the second suspension rod, and the first suspension rod and the second suspension rod are embedded into the guide rail through the pulleys; a first cross rod is fixedly mounted on the first suspension rod, a second cross rod is fixedly mounted on the second suspension rod, and the first suspension rod and the second suspension rod are movably connected together. According to the distance-adjustable one-arm two-suspension-rod device, the distance between the two suspension rods can be freely adjusted, so that the distances between corresponding objects suspended on the two suspension rods are equal, and the objects are conveniently and orderly placed.

The invention discloses a puncture-type electric power fitting, and the electric power fitting comprises puncture systems which are adjacent in a lateral direction. Each puncture system comprises a housing, and the central part of the upper side wall of each housing is provided with an adjustment head, wherein the adjustment head vertically passes through the central part of the upper side wall ofthe housing. The interior of each adjustment head is provided with an adjustment rod, and the lower end of each adjustment rod is provided with a puncture needle. The upper and lower sides of the outer side wall of each adjustment rod are provided with limiting rings. The interior of each housing is provided with a fixed seat between the upper and lower limiting rings. The interior of each fixedseat is provided with an adjustment nut, and each adjustment nut is in threaded connection with the corresponding adjustment rod. The central part of the lower side wall of the hosing is provided witha first clamping groove, and the lower side wall of the housing and the upper side of the first clamping groove are provided with puncture holes in a passing-through manner. The upper surface of an inner cavity of each housing is provided with resetting seats in a manner of lateral symmetry. The left and right ends of the upper side wall of each housing are provided with resetting through holes in a passing-through manner. The electric power fitting can clamp wires with different diameters, can firmly clamp the wires, and facilitates the removing of the wires.

The invention discloses a vertical take-off and landing fixed-wing aircraft, which comprises a fuselage, a wing, a telescopic tail, a rear rotor structure and a front rotor structure; the fixed-wing aircraft comprises an airframe, a wing, a telescopic tail, a rear rotor structure and a front rotor structure. The wing is symmetrically arranged on both sides of the fuselage. The telescopic tail finis arranged at the tail part of the fuselage. The rear rotor structure is arranged on the rear side of the wing, and the rear rotor structure can be extended and retracted up and down. The forward rotor structure is arranged on the forward side of the wing along the advancing direction, and the forward rotor structure can tilt up to 0- 90DEG. The telescopic tail can be telescoped forward and backward according to the service requirements, so that the stability of flight process can be improved. The rear rotor structure can be expanded and retracted up and down according to the service requirements, so as to reduce the drag during flight; the front rotor structure can tilt from horizontal direction to vertical upward direction, which can provide lift, and can increase forward power and reduce drag. The invention also provides sufficient lifting force through the cooperation of the front rotor structure and the rear rotor structure, so that the ascending, descending and hovering actionscan be completed.

The invention relates to a computer desk in adjustable size, and belongs to the technical field of furniture. The computer desk comprises a face plate and desk legs; the computer desk is characterized in that the left side and the right side of the face plate are each provided with an auxiliary face plate; the face plate is sleeved with the auxiliary face plates in a sleeved manner through L-shaped fixing plates on the front side and the back side respectively; installation plates are arranged at the symmetric positions of the front portion and the back portion of the bottom of the face plate; each front desk leg and the corresponding back desk leg in a set are connected through a connecting rod; and the desk legs and the face plate are movably connected in a clamped manner through the connecting rods and the installation plates. The computer desk is simple in structure, convenient to use, reasonable in design and flexible in operation; the studying and recreation environment is improved; new functions are given to the computer desk; and greater convenience is brought to using of people.

The invention relates to a multifunctional 3D printer and an application method thereof. The multifunctional 3D printer comprises a spray head A and a spray head B. The spray head A is provided with aheating, melting and extruding device, a printing material corresponding to the spray head A is a solid material, and the extrude material is solidified on an objective table when the spray head A works; the spray head B is provided with a hose and is connected to an injection pump, a liquid material needed by printing is poured into the injection pump, a refrigerating module of the objective table works when the spray head B works, and the liquid material extruded by the spray head B is frozen and solidified on the objective table. The multifunctional 3D printer can achieve two functions ofprinting objects by employing the solid material and the liquid material on a same machine.

The invention relates to the technical field of machines, in particular to a cutting tool installing frame in paper cutting equipment. The cutting tool installing frame comprises a frame body. The frame body comprises two parallel vertical supporting plates and two parallel horizontal supporting plates arranged between the two vertical supporting plates. A first sliding groove is formed in each horizontal supporting plate. The cutting tool installing frame is provided with a tool clamping mechanism. Installation of cutting tools different in length and thickness can be achieved by adjusting the distance between two first clamping plates and the distance between two second clamping plates in each set. Through the manner, convenient mounting and dismounting of the cutting tools can be achieved. The second clamping plates move on the first clamping plates, the distance between every two adjacent sets of second clamping plates can be freely adjusted, the distance between the adjacent cutting tools is freely adjusted, and accordingly the requirement for cutting different sizes of paper according to different needs is met.

The invention discloses a double-blade cutting device for machining. The double-blade cutting device comprises a base and a supporting frame, a groove is formed in the upper surface of the left side of the base, the supporting frame is welded to the front side and the rear side of the upper surface of the base, a movable plate is arranged under a bearing plate, the front side and the rear side ofthe movable plate are connected with limiting polished rods through bolts, a second sliding groove is formed inside the right side of the base, a second material cutting opening is formed in the middle of an operation plate, a sliding rail is fixed to the lower surface of the operation plate through screws, an end cover is installed on the right end surface of the base through bolts, a sinking hole is formed inside the middle of the base, moreover, the sinking hole is internally provided with a main hydraulic cylinder through bolts, and a connecting plate is installed on the right side surfaceof the operation plate and the right side surface of the sliding plate through bolts. The double-blade cutting device for machining is provided with a collecting box and a drawer at the same time sothat is in the cutting process of the device, generated scrap iron can be collected, and then the cleaning process after the device is used is greatly facilitated.

The invention, whichrelates to the technical field of wireless charging, discloses an intelligent lifting energy-saving emitter of a wireless charger comprisinga lifting device and a wireless chargingemitter. The lifting device comprises a lifting bracket fixing groove, a movable rod, a rack, a motor transmission, a transmission gear and a fixed connecting plate; a movable rod is inserted into the lifting bracket fixing groove, the rack is arranged on the movable rod, the motor transmission is arranged on the lifting bracket fixing groove, the transmission gear is arranged on an output shaftof the motor transmission and meshed with the rack, the fixed connecting plate is arranged at the top end of the movable rod, and a wireless charging transmitter is arranged at the top end of the fixed connecting plate. The intelligent lifting energy-saving emitter is simple in structure, reasonable in design, high in space utilization rate and particularly suitable for large-scale cluster construction; both the power line and the emitter have no exposed wires, so that the charging safety is high, the electric shock danger is avoided, and high firmness and safety are realized; the distance between the emitter and the receiver can be freely adjusted, so that the emitter and the receiver are located at a reasonable receiving distance, the energy is effectively saved, and the charging efficiency is improved.

An adjustable double ditch opener, with a gear box inside the main frame, and a bevel gear set inside the gear box, one end of the driven shaft of the bevel gear set is connected to the rotating shaft of the ditching disc assembly 1 through the cardan drive shaft assembly 1, The other end of the driven shaft is connected to the rotating shaft of the ditching disc assembly 2 through the universal joint shaft assembly 2. There are adjustable frame 1 and adjustable frame 2 on both sides of the main frame, and the ditching disc is on the outside of the adjustable frame 1. Assembly 1, Ditching disc assembly 1. There is an adjustable liner on the outside. 1. The adjustable liner 1 is connected to the outer end of the adjustable frame 1 through the folding point connection structure. 2. There is a ditching disc assembly on the outside of the adjustable frame 2. Component 2, the outer side of ditching disc assembly 2 has adjustable liner 2, adjustable liner 2 is connected to the outer end of adjustable frame 2 through folding point connection structure 2, ditching disc assembly 1 and ditching circle A trowel and a side cutter are arranged outside the disc of the disc assembly two. The ditch opener of the present invention has high operation speed, high operation quality, low failure rate and wide application field.