42results about How to "Improve support accuracy" patented technology

The invention provides a flexible tool equipment intelligent control system of an aircraft, which comprises a coordinate extracting system, a decision control system and an executing mechanism, wherein the coordinate extracting system is used for carrying out curve digital modeling on a workpiece to be processed, extracting the support point coordinate information of the workpiecce and generatingand transmitting a workpiece coordinate information file to the decision control system; and the decision control system is used for planning and deciding the action of the executing mechanism according to the workpiece coordinate information file and generating and transmitting a corresponding control command to the executing mechanism. The invention provides a flexible tool equipment intelligent control system for realizing clamping and positioning in the processing of a large curve thin wall part of an aircraft, carries out calculation and control by adopting a high-performance industrial control computer as a core and realizes the synergy movement control on double robots by an intelligent control main board and the reasonable and uniform distribution of all support units on a flexible tool equipment machine tool by the moving operation on all the support units on the flexible tool equipment.

A vehicular drive system accommodated in a housing and including a first input shaft that receives a vehicle drive force generated by a vehicle drive power source, and a differential mechanism operable to distribute the vehicle drive force received from the first input shaft to a first electric motor and a second input shaft. The first and second input shafts are disposed coaxially with a first axis such that the second input shaft is disposed downstream of the first input shaft. The first input shaft is rotatably supported by a first support portion provided on the housing and an axial end portion of the second input shaft, and the second input shaft is rotatably supported by a third support portion and a fourth support portion that are provided on the housing.

A horizontal groove extending horizontally when an alternator bracket is fixed to a cylinder block of a vehicle engine is formed in the alternator bracket. A shank of a bolt inserted through mounting pieces of an alternator is inserted into the horizontal groove from a horizontally lateral direction toward the cylinder block to support the bolt on a lower surface of the horizontal groove. After insertion, the bolt is restrained from moving toward an opening of the horizontal groove. Since the insertion of the bolt into the horizontal groove is facilitated, and the weight of the alternator is borne by the lower surface of the horizontal groove, a burden on a fixing portion is reduced, and it becomes easy to position the alternator and hold it when it is fixed. Thus, the accessory can be mounted on the cylinder block with satisfactory work efficiency and with support accuracy kept high.

The invention relates to an integrated high-accuracy servo revolving platform which comprises a working table facet, a motor stator, a rotor, a crossed roller revolving bearing, a deep-groove-ball bearing and a machine base. The center of the working table facet is fixedly provided with a centering shaft, the rotor is fixed to the middle of the outer wall of the centering shaft, the crossed roller revolving bearing is arranged between the working table facet and the machine base, the motor stator is fixed to the middle of the inner wall of the machine base, an outer ring of the deep-groove-ball bearing is fixed to the lower portion of the inner wall of the machine base, an inner ring of the deep-groove-ball bearing is fixed to the lower portion of the centering shaft, and a synchronous pulley is further fixed to the position, located below the inner ring of the deep-groove-ball bearing, of the centering shaft; an encoder feedback detection device is fixed to the position, corresponding to the synchronous pulley, of the lower portion of the machine base, the side wall of the machine base is further internally provided with cylindrical locking levers, and the lower end of the centering shaft is further connected with a hydraulic revolving connector. The integrated high-accuracy servo revolving platform is high in supporting accuracy, high in rigidity, electromechanically integrated and free of mechanical transmission error.

A chucking pulley clamps and chucks a disk-shaped recording medium in coaction with a disk table, the chucking pulley having a rotary slide knob. The chucking pulley is rotatably supported on a support arm. The support arm has first lifting/lowering pins and second lifting/lowering pins. A holder is fixedly mounted on the support arm for pressing the chucking pulley toward the disk table while being held in contact with a distal end of the rotary slide knob when the disk-shaped recording medium is in rotation. A bias spring is resiliently held against the first lifting/lowering pins. Moving members are arranged to move the chucking pulley toward and away from the disk table. The moving members have retainers for retaining the first lifting/lowering pins in an acting position when the disk-shaped recording medium is chucked. The first lifting/lowering pins retained in the acting position elastically deform the bias spring to bias the support arm and the holder to move toward the disk table.

A crampon including a body extending lengthwise from a rear end to a front end, widthwise between a first side and a second side, and heightwise between a supporting surface and a receiving surface, the crampon including points projecting in the area of the supporting face, as well as a structure for retaining a boot in the area of the receiving surface. The crampon includes a device for adjusting the longitudinal bending strength of the body.

The invention provides an aluminum alloy formwork inclined-supporting device and a construction method, belongs to the technical field of building template construction, and solves the technical problems of low support strength and high construction cost of an existing construction structure and method. The aluminum alloy formwork inclined-supporting device comprises a horizontal support rod arranged horizontally and capable of being fixed with a basic plane, a vertical support rod arranged vertically and one end of which is rotatably connected with the end part of the horizontal support rod,at least two support pieces movably connected with the vertical support rod, an inclined support rod, and an adjusting piece, wherein the support pieces can vertically move relative to the vertical support rod and are fixed to any positions of the vertical support rod; the support pieces are used for connecting with an aluminum alloy formwork; one end of the inclined support rod is rotatably connected with the horizontal support rod; and the adjusting piece is rotatably connected with the other end of the inclined support rod and is movably connected with the vertical support rod. The whole structure is not easy to move and has good supporting and fixing effects; the support stability of the aluminum alloy formwork is improved; and the casting and molding quality of concrete is improved.

The invention relates to an integrated revolving platform which comprises a working table, motor stators, rotors, crossed roller revolving bearings, deep groove ball bearings and a machine base, wherein a spigot shaft is fixed in the center of the working table; the rotors are fixed at the middle part of the outer wall of the spigot shaft; the crossed roller revolving bearings are arranged among the working table, the rotors and the machine base; the motor stators are fixed at the middle part of the inner wall of the machine base; the outer rings of the deep groove ball bearings are fixed to the lower part of the inner wall of the machine base; the inner rings of the deep groove ball bearings are fixed to the lower part of the spigot shaft; a synchronous pulley is fixed in the position, below the inner rings of the deep groove ball bearings, on the spigot shaft; and an encoder feedback detection device is fixed in the position, corresponding to the synchronous pulley, of the lower part of the machine base. According to the integrated revolving platform, the supporting precision is high, the rigidity is high, the mechanical and electrical integration is achieved, and the mechanical transmission error is avoided.

An image scanning device includes a housing, a scanning carriage, and a first guide groove and a second guide groove. The housing includes a bottom chassis and a side wall member, and defines a document tray. A scanning carriage is movably arranged in the housing. The first guide groove and the second guide groove are arranged at the side wall members of the housing, and guide the scanning carriage in a scanning direction.

The invention discloses a universal disassembling and assembling rack for a gun turret. The universal disassembling and assembling rack comprises a base, supporting systems and hexagonal reducing trays. The base comprises two bottom steel channels arranged in parallel and an adjusting steel channel for connecting the two bottom steel channels into an I shape. The adjusting steel channel comprises two sections which are fixedly connected with the opposite sides of the two bottom steel channels respectively. The opened ends of the two sections of the adjusting steel channel are connected through a bolt, and an adjusting oil cylinder is installed between the two sections of the adjusting steel channel. Each supporting system comprises a supporting oil cylinder and a supporting pillar which are vertically installed at the two ends of the corresponding bottom steel channel respectively. The universal disassembling and assembling rack further comprises supports which are installed on the upper surfaces of the bottom steel channels in a bias manner. The universal disassembling and assembling rack is used for carrying the gun turret and backwards drawing a barrel; corresponding checking, maintaining and repairing are convenient; barrel maintaining and replacing are achieved; and the universal disassembling and assembling rack is suitable for overhauling of various types of gun turrets, high in universality and capable of effectively reducing the research and equipment cost of troop tools.

The invention relates to an angle adjusting device which comprises a base and an angle operating piece. An arc-shaped guide rail is arranged on the base, and the angle operating piece is slidably arranged on the arc-shaped guide rail under driving of a driving mechanism. The driving mechanism comprises a linear guide rod arranged on the base, a driving piece slidably arranged on the linear guide rod, and a power device for driving the driving piece to move in the length direction of the linear guide rod. The driving mechanism further comprises a driving connecting piece which is rotatably connected with the driving piece and movably connected with the angle operating piece along a linear guiding device fixedly arranged on the angle operating piece. The angle adjusting device decomposes thecomplex linkage relation between the driving piece, making simple linear movement, inside the driving mechanism and the angle operating piece making arc-shaped movement into two types of movement components which are easier to control, and accordingly, the angle precision and control precision are improved.

The invention discloses a kitchen and bathroom water stop platform aluminum formwork construction structure, and belongs to the technical field of building construction. The construction structure ischaracterized by comprising split heads and reverse ridge formworks (7), wherein the lower sides of the split heads are connected with a top plate (1), the reverse ridge formworks (7) are arranged onthe upper sides of the split heads, positioning parts for positioning the reverse ridge formworks (7) are arranged on the two sides of the tops of the split heads, and the split heads are arranged along the reverse ridge formworks (7) at intervals. According to the kitchen and bathroom water stop platform aluminum formwork construction structure, the reverse ridge formworks are supported on the split heads, the lower sides of the split heads are connected with the top plate, and the positioning parts for positioning the reverse ridge formworks are arranged on the two sides of the top of the split heads, so that reliable positioning of the reverse ridge formworks are guaranteed, and the problems of vertical post return settlement and reverse ridge deflection caused by formwork reinforcing deformation are avoided; the anti-ridge axis displacement can be avoided, the problem of slab staggering between the anti-ridge and a shear wall due to pouring deformation of the anti-ridge is solved;the problem of formwork engagement due to sinking of the anti-ridge formwork during concrete pouring is also solved; and the anti-ridge formwork is high in supporting speed and supporting precision.

A connection portion (14d) at a front end portion of a case member (14) is connected to an internal combustion engine, and the case member is mounted on a portion (4a) of a vehicle body using a mount portion (installation portion) (14c) at a rear end portion of the case member (14). Further, a second electric motor (23), a heavy object, is disposed at the rearmost end portion of a line where a first electric motor (20), a planetary gear (21) for power distribution, a second electric motor (23), and a speed changer (22) are arranged on one shaft (13) of the case member (14). This suppresses vibration occurring in the case member (14).