34results about How to "Achieving Width Adjustment" patented technology

The invention discloses a four-wheeled independently steered and driven telescopic field operation robot platform. The four-wheeled independently steered and driven telescopic field operation robot platform comprises a rack, a rack connecting mechanism, a width adjusting mechanism, four steering and traveling assemblies and a motion control system. The rack is a telescopic split type rack, and comprises an upper rack and two side racks which are symmetrically arranged on two sides of the upper rack. The rack connecting mechanism, the width adjusting mechanism, a wheel assembly and the motion control system are mounted on the upper rack, the rack connecting mechanism has a telescopic connecting structure, and is connected with the side racks on the two sides separately, and the width adjusting mechanism is connected with the rack connecting mechanism, and drives the rack connecting mechanism to stretch and retract. The four steering and traveling assemblies are separately mounted at thefront ends and the rear ends of the side racks, independent steering and traveling control of the four steering and traveling assemblies is implemented, and the height of the robot platform is adjusted by a telescopic structure. Compared with the prior art, the four-wheeled independently steered and driven telescopic field operation robot platform has the advantages that requirements of differentfield operation environments are met, the stability is good, and motion adjustment is flexible and convenient.

The invention discloses an automatic material lifting device. The automatic material lifting device comprises a base plate, four corners of the upper surface of the base plate are connected with fourcorners of the lower surface of a jig plate through stand columns correspondingly to form a rectangular frame, four material channels are arranged on the jig plate, a jacking portion comprises a movable plate, several jacking columns are installed on the movable plate, the corresponding jacking column can push each raw material to move upwards along the corresponding material channel, each limiting portion comprises a limiting plate, the limiting plates are attached to the upper surfaces of limiting columns, the limiting plates are used for limiting the height of the raw materials, each pressing portion comprises a bidirectional pressing block and two sliding blocks, the bidirectional pressing blocks run downwards, and the sliding blocks horizontally slide and clamp profiles correspondingly. The automatic material lifting device has the effects that material lifting for automatic production is achieved, the production efficiency is high, and the automatic material lifting device is suitability for large-scale continuous operation.

The invention discloses a multifunctional stretchable inverted-arch trestle. The multifunctional stretchable inverted-arch trestle comprises a trestle girder, a front ladder stand, a back ladder stand, a walking cart, a stretchable trestle body, an inverted-arch formwork and a central furrow formwork; the walking cart is installed below the trestle girder, the stretchable trestle body is located at the front portion below the trestle girder, the front portion of the stretchable trestle body is arranged on a stretchable trestle body beam, the back portion of the stretchable trestle body is movably installed on the trestle girder through connecting plates, and the stretchable trestle body beam is installed on a walking auxiliary caterpillar band chassis through vertical auxiliary lifting hydraulic cylinders and auxiliary movable stand columns; the inverted-arch formwork and the central furrow formwork are sequentially installed in the middle and at the back portion below the trestle girder from front to back and move back and forth through the walking cart. According to the multifunctional stretchable inverted-arch trestle, the trestle girder, the stretchable trestle body, the inverted-arch formwork, the central furrow formwork and end sealing plates are designed into an integrated device, multiple working procedures can be carried out at the same time, the construction period is greatly saved, the construction efficiency is improved, the labor intensity of workers is reduced, the construction quality is guaranteed, and the construction cost is reduced.

The invention discloses a road traffic intelligent mitigation control system based on cloud computing, which comprises a plurality of road condition monitoring terminals, a spacing detection module, acloud server and an isolation spacing control terminal. The cloud server is respectively connected with the plurality of road condition monitoring terminals, the spacing detection module and the isolation spacing control terminal. According to the road traffic intelligent mitigation control system based on cloud computing, road image information and traffic flow on two-way roads are analyzed, road traffic congestion coefficients of the same road in two driving directions are obtained in sequence, the cloud server is used for correcting the road traffic congestion coefficients at the road condition monitoring terminals in the two driving directions and the distances between the vehicles on the lanes and road isolation guardrails, so that the positions of the isolation guardrails are dynamically adjusted, the traffic congestion degree on the road with the large traffic congestion correction coefficient is relieved, the bidirectional roads are utilized to the maximum extent and reasonably, and road traffic congestion is reduced.

The invention relates to a guide and guard device for rolling of profile steel with a special-shaped section. According to the technical scheme, fixed sliding blocks (7) on the two sides of a guide and guard supporting plate (2) are mounted in vertical strip-type regulating holes (5) of corresponding supports (1), the guide and guard supporting plate (2) is fixedly connected with the supports (1) through threaded rods (8) and nuts, and a guide and guard device body (3) is mounted at the middle position of the upper plane of the guide and guard supporting plate (2). A lower baffle (11) is mounted between the lower portions of two guide plates (14). Upper baffles (10) are correspondingly mounted between the upper portions of the two guide plates (14). The two guide plates (14) are arranged symmetrically. The two upper baffles (10) are connected with the corresponding guide plates (14). Side wing plates (13) are symmetrically mounted on the outer sides of the two guide plates (14). Guiding plates (12) are symmetrically mounted on the front sides of the two guide plates (14). A strip-type regulating block on the lower plane of each side wing plate (13) is mounted in a strip-type guide and guard regulating hole (6) in the guide and guard supporting plate (2). The side wing plates (13) are fixedly connected with the guide and guard supporting plate (2) through bolts. The guide and guard device has the advantages of being simple in structure, low in cost, convenient to maintain and high in universality.

The invention discloses a method and device for controlling the width of a hot-rolled width-adjusting blank, wherein the method comprises the steps: determining a plurality of head measurement points and a plurality of tail measurement points on the width-adjusting blank before the width-adjusting blank enters a side press; based on the plurality of head measuring points and the plurality of tail measuring points, acquiring the slab length, the head width reduction amount and the tail width reduction amount; based on the slab length, the head width reduction amount and the tail width reduction amount, acquiring a width reduction amount adjusting coefficient; and on the basis of the width reduction amount adjusting coefficient, controlling the side press under variable pressure. According to the invention, width-adjusting blanks with more uniform head and tail widths can be obtained, so that production waste is avoided.

The invention discloses a SOT26 test clamp with an adjustable test groove and an operation method thereof and belongs to the technical field of chip test. The SOT26 test clamp with the adjustable test groove provided by the invention comprises a fixed clamp and a moveable clamp, wherein the fixed clamp and the moveable clamp are connected through mutually matched rotating devices; the width adjustment of a clamp rim between the fixed clamp and the moveable clamp can be realized through the rotation of the moveable clamp relative to the fixed clamp; the clamp rim of the test clamp can be adaptively adjusted according to the size of SOT26. The operation method for the test clamp provided by the invention comprises the steps of pressing in SOT26, testing and pushing out; a spring is utilized to control the opening and closing of the moveable clamp, so that the left and right shifting caused by the size of SOT26 can be made up and the yield of once test can be increased; a jacking rod is additionally arranged; under the synergic effect of the moveable clamp and the jacking rod, the purposes of accurately positioning SOT26 in a test process, preventing the material overlapping and increasing the test yield can be achieved; equivalently, the capacity is promoted, so that the effect of double benefit can be achieved.

The invention discloses a special medical bed for new coronary pneumonia treatment, and relates to the technical field of medical equipment. The special medical bed comprises a bed body, wherein folding plates are rotationally mounted on two sides of the bed body; expansion plates are embedded into the front side and the rear side of the bed body; a driving component is arranged inside the bed body; and the driving component is used for driving the two expansion plates to stretch out or retract at the same time. The special medical bed is reasonable in structure and simple to operate, due to adoption of the expansion plates, the area of the medical bed can be increased, meanwhile a certain protection effect can be achieved, the comfort and the security of operators can be improved, the medical bed can be folded when being not used, the space occupation rate can be reduced, the practicability can be improved, the problems that a conventional medical bed is fixed in width, relatively poor in comfort, relatively large in size and large in space occupation rate can be solved, due to adoption of the driving component, stretching and retraction actions of the expansion plates can be achieved, and width adjustment of the medical bed can be achieved.

The invention discloses a transformer with an adjustable volume. The transformer comprises a transformer core, a transformer winding, a transformer box and a transformer base; the transformer core comprises a first transformer core, a second transformer core, a third transformer core and a fourth transformer core; the transformer winding comprises a first winding, a second winding, a third winding and a fourth winding; the transformer box comprises an upper box, a lower box, a left box and a right box; a first longitudinal movable guiding rail and a first transverse movable guiding rail are formed below the upper box; a second longitudinal movable guiding rail and a second transverse movable guiding rail are formed above the lower box; a lifting apparatus is arranged on the upper box and the lower box; and telescopic apparatuses are arranged on the left box and the right box. According to the transformer with the adjustable volume provided by the invention, the transformer volume can be adjustable; and meanwhile, the bearing voltage and the output voltage of the transformer also can be adjusted, and operation is convenient.

The invention discloses a width-adjustable bucket for an excavator, and belongs to the technical field of excavators. The bucket comprises a fixed bucket plate main body and two oppositely-moving movable bucket plate bodies, wherein a bucket with adjustable width is formed by the movable bucket plate main bodies and the fixed bucket plate main body, and bucket teeth for digging soil are arranged at the front ends of the fixed bucket plate main body and the movable bucket plate main bodies; the bucket further comprises a ratchet wheel assembly driving the movable bucket plate main bodies to befar away from or close to each other; a reversed T-shaped sliding groove is formed in the joint of a fixed bucket plate and a fixed front extension plate, and the fixed bucket plate main body is of two sections of open concave space surfaces; and the ratchet wheel assembly comprises two movable rack, a fixed ratchet wheel, a connecting rod A, a connecting rod B and a connecting rod C, wherein theother end of the connecting rod A and the other end of the connecting rod B are hinged at one point with the middle of the connecting rod C. The width-adjustable bucket is simple and reasonable in structure, adjustable in width and used for the excavator.

The invention discloses a cable bracket for a ship. The cable bracket comprises two symmetrically distributed transverse angle plates and a plurality of vertical support plates, a vertical plate part of each transverse angle plate is uniformly provided with a plurality of heat-radiation through holes, a horizontal plate part of each transverse angle plate is uniformly provided with installation positioning holes, two ends of each vertical support plate are provided with installation fixing holes, pin members pass through the installation positioning holes and the installation fixing holes so that the vertical support plates and the transverse angle plates are fixedly connected, and the middle part of each vertical support plate is uniformly provided with cable fixing holes. The two ends of each vertical support plate are separately connected with the transverse angle plates in a hinged manner, the distance between the two transverse angle plates is adjusted through utilization of instability of a parallelogram, width adjustment is achieved, and requirements of different arrangement working conditions are satisfied.

The invention discloses a brachial artery puncture hemostat. The brachial artery puncture hemostat comprises a hemostat body, a hemostasis detection assembly and a timing assembly; the hemostat body comprises a first connecting plate and a second connecting plate which are symmetrically arranged and slidably connected, and a fastener is further rotatably connected to the joint of the first connecting plate and the second connecting plate; a first plug connector is fixed to the first connecting plate; a cover plate is hinged to the second connecting plate; a second plug connector is fixed to the cover plate, and the second plug connector is detachably inserted into the first plug connector; the hemostasis detection assembly comprises a pressing bag, an inflation pump, an inflation pipe, a three-way valve and a pressure gauge; the pressing bag is fixed to the inner side wall of the cover plate, and a pressing plate is fixed to the pressing bag; the inflation pump and the pressure gauge are both arranged on the outer side wall of the pressing plate; the inflation pump is detachably connected with the air inlet end of the three-way valve through the inflation pipe; two air outlet endsof the three-way valve communicate with the pressure gauge and the pressing bag respectively; and the timing assembly is fixed on the outer side wall of the cover plate. The hemostat is simple in structure, reasonable in design, convenient to operate and good in hemostatic effect.

The invention relates to the field of buildings, in particular to a prefabricated building wall truss structure. A lifting cover is slidably connected into a supporting cover at the top of a supporting pipe, the top of the lifting cover extends to the position above the supporting cover and is fixedly provided with a connecting pipe, two moving columns are symmetrically and slidably connected intosupporting beams rotationally connected to the two sides of the connecting pipe, and the ends, far away from each other, of the two moving columns extend to the outer side of the supporting pipe andare rotationally connected with the two supporting beams correspondingly; and the inner wall of the supporting pipe is rotationally connected with a transmission screw rod, the top end of the transmission screw rod extends into the lifting cover and is in threaded connection with the inner wall of the lifting cover, the bottom end of the transmission screw rod extends to the position below the supporting pipe, and the transmission screw rod is in transmission connection with the two moving columns correspondingly. The two moving columns can be driven to be close to or far away from each otherby rotating the transmission screw rod so that the width of the device can be adjusted, the device can adapt to various field mounting environments in the using process, and the device has good convenience and practicability.