254results about How to "Guaranteed support stability" patented technology

The invention provides an angle-adjustable inclined valve body clamping mechanism which comprises a base, a supporting plate and a compression mechanism. The base is provided with two inclined supporting blocks. The supporting plate is installed on the supporting blocks in an inclined mode with the lower front portion and the higher rear portion. The bottom of the supporting plate is provided with two adjusting plates corresponding to the supporting blocks. The front portions of the adjusting plates are rotationally connected with the front portions of the supporting blocks through rotating shafts. The rear portions of the adjusting plates are provided with locking holes. The rear portions of the supporting blocks are provided with a plurality of height adjusting holes. The adjusting plates and the supporting blocks are fixed through positioning pin shafts penetrating in the height adjusting holes and the locking holes. A supporting mechanism used for supporting the upper end of a valve body is arranged in front of the base. When the angle-adjustable inclined valve body clamping mechanism is in use, an inclined flange face of the inclined valve is supported on the supporting plate, primary positioning is achieved through a bolt and a positioning hole, and then compression is carried out through a compressing mechanism. The angle of the supporting plate can be adjusted when the adjusting plates rotate around the rotating shafts, and therefore valve bodies of different inclined angles can be clamped.

The invention relates to a plastic greenhouse steel structure framework installation construction method. The method mainly comprises the following steps of installation preparation, frame installation, soil burying, inspection and acceptance and other processes. A steel structure framework positioning and righting device used in the method comprises a bottom plate, a rotating device, a lifting device, a clamping device and a locking device. The method can solve the following problems existing in the installation operation of an existing plastic greenhouse: a, when a traditional plastic greenhouse is installed, after a steel structure is inserted into soil, a supporting column needs to be used for supporting the steel structure to ensure the stability of the steel structure, the supportingcolumn cannot stably support the steel structure, the steel structure is prone to collapse, and safety accidents are prone to occurring; and b, when an existing plastic greenhouse supporting device supports the steel structure, the steel structure cannot be stably supported, the supporting angle and height cannot be adjusted, and the supporting quality of the steel structure can be improved.

The invention relates to a location method of a thin wall curve part based on a bounding box in a multi-point array flexible tool. The location process of the thin wall curve part in the flexible tool is a process that the curve is located in a working area of the tool, and the essence is coordinate transformation. The working area of the multi-point array flexible tool at home and abroad is generally expressed through a hexahedron, the location problem of the thin wall curve part can be converted into calculation of a hexahedron bounding box enclosing the thin wall curve part, and unknown quantity referred to in a coordinate transformation array is defined according to similarity of the bounding box and the working area of the flexible tool, namely calculation of the bounding box of the thin wall curve part. The curve part is contacted with support rods as many as possible in the flexible tool to improve support location stability, namely the projection area of the curve in tool plane is largest. The location process mainly relates to three steps: primary location, fine location and translation, then a parameterization curve equation of the curve part in a tool coordinate system is calculated according to the coordinate transformation array, and finally the height of the support rods is calculated according to the position of the support rods in the flexible tool.

The invention relates to a bundled conductor supporting armor clamp. The armor clamp comprises a connecting base plate fixedly connected to a supporting insulator, a direction corresponding to an extension direction of a bundled conductor is defined as an installation direction, the connecting base plate is provided with at least two spacer installing plates which are distributed separately along the installation direction successively, each spacer installing plate is provided with a spacer in the side surface vertical to the installation direction, each spacer includes lead clamps arranged along the circumferential direction of the spacer, and the number of the lead clamps of each spacer is the same with that of the other spacers. Separate distribution of the bundled conductor is realized, and the bundled conductor is supported so that the bundled conductor is prevented from downward swinging due to the deadweight. The connecting base plate is provided with at least two spacer installing plates which are distributed separately, multi-point support for the bundled conductor is formed, stress concentration in the bundled conductor is alleviated effectively, bearing of the bundled conductor is optimized, and the power transmission stability and reliability of the bundled conductor are improved.

The invention provides a turret support, particularly to a turret support used for turret placement and barrel decomposition and combination equipment, and belongs to the technical field of ordnance. The turret support is characterized by comprising four vertical support legs, which include two front legs and two rear legs, the support legs are connected through an upper connection plate and a lower connection plate, the upper connecting plate is connected with the tops of the support legs, and the lower connection plate is connected with the bottoms of the support legs to form a framework structure. The turret support adopts the four-leg bracket combined-type support, and not only guarantees the supporting stability after bearing a turret but also meets the containerized transport requirement after disassembly.

The invention provides electrical automation equipment which comprises a heat dissipation shell, electrical equipment, a control panel, a ventilation frame, a ventilation net, a fixed bolt, a supporting base, a movable bolt, a protection plate, a lamp holder and an anti-mosquito lamp tube, and the electrical equipment is connected into the heat dissipation shell through a bolt; a control panel isconnected to the middle of the right side of the front portion of the heat dissipation shell through screws. A cooling pipe, a circulating pipe, an air bellow, a refrigerating machine, a protective net and a fan are arranged, so that heat dissipated by the electrical equipment can be discharged; heat dissipation and cooling can be carried out; the working stability of electrical equipment is ensured; refrigeration is carried out through the refrigerating machine, cooling circulation is continuously carried out through the circulating pipe and the cooling pipe, a good cooling effect can be achieved on the electrical equipment, meanwhile, heat dissipated by the electrical equipment can be collected through the air bellow through the draught fan, filtered through the protective net and finally discharged, environmental pollution is avoided, and meanwhile the cooling and heat dissipation effect is improved.

The invention provides a cut tree transplanting transport protection device for municipal landscaping. The device comprises fixing blocks, supporting rods, springs and adjusting bolts, four supportingscrew rods in rotational connection with two tree supporting rods are arranged in two groups in bilateral correspondence, and a rest plate is in slide connection between each group of the supportingscrew rods in a sleeving manner. Supporting positions of four positioning lug plates correspond to four supporting rods of each root system supporting box, wherein tail ends of the four positioning lug plates are penetratingly provided with through holes respectively, the four positioning lug plates are locked at top ends of the four supporting rods through four locking bolts, and accordingly a whole positioning clamping frame is abutted and supported at the top end of each root system supporting box. By arrangement of the two adjusting bolts, slide positions of the rest plates can be abuttedand adjusted, and accordingly tree trunks, different in diameter, between the rest plates and clamping plates can be abutted and positioned above the centers of the root system supporting boxes to guarantee vertical supporting of trees.

The invention relates to a tool special for submerged-arc welding. The tool comprises a liner and a base. The bottom of the liner is provided with a connecting seat, a plurality of mounting holes are formed in the connecting seat, and connecting columns are arranged in the mounting holes. Springs are arranged outside the connecting columns, a groove is formed in the surface of the liner, the section of the groove is in an arc shape, a cavity is formed in the liner, a water inlet is formed in one side of the cavity, and a water outlet is formed in the other side of the cavity. First pipe flanges are arranged on the water inlet and the water outlet, the water inlet is connected with a water inlet pipe, the water outlet is connected with a water outlet pipe, second pipe flanges are arranged between the water inlet pipe and the corresponding first pipe flange and between the water outlet pipe and the corresponding first pipe flange, and a circulating water pump is mounted between the water inlet pipe and the water outlet pipe. The tool is reasonable in structural design, a machined workpiece is convenient to cool, pipe mounting stability is improved, and the machining efficiency of submerged-arc welding and workpiece quality can be improved conveniently.

The invention relates to a perforating device. The perforating device comprises a machine frame and a circular sliding way. A driving mechanism is arranged on one side of the machine frame, and a drilling mechanism is arranged on the other side of the machine frame. The driving mechanism comprises two supporting platforms which are arranged in an opposite mode. A threaded rod is rotatably connected between the two supporting platforms. The threaded rod meshes with two driving gears. The driving gears are rotatbly connected to the machine frame. Through holes are formed in the driving gears. Limiting blocks are arranged on the sides of the through holes. Moving rods are movably connected into the through holes. The other ends of the moving rods penetrate through the through holes and are slidably connected into the circular sliding way. Supporting plates are arranged above the driving gears. The moving rods are rotatably connected with supporting rods. The other ends of the supporting rods are fixedly connected to the bottom portions of the supporting plates. Operation plates are arranged above the supporting plates. First cylinders are arranged at two ends of the supporting plates.Piston rods of the first cylinders are fixedly connected to the bottom portions of the operation plates. According to the perforating device, a workpiece can be drilled with different hole diameters,and the application scope is wide.

The invention discloses a special pressing type liquid suction package bottle for cosmetics. The special pressing type liquid suction package bottle for cosmetics comprises a bottle body, a bottleneck, an inner cap, an outer cap, a dropper and a silica gel press head, wherein the inner cap comprises an inner cap inner ring, an inner cap middle ring, an inner cap outer ring and an inner cap connecting ring; the silica gel press head is arranged on the inner cap connecting ring; the top of the dropper is arranged on the inner cap connecting ring through a dropper installing ring; an O-shaped ring is arranged between the dropper installing ring and the inner cap connecting ring; the inner cap is arranged on the bottleneck through an inner shoulder sleeve; the inner shoulder sleeve comprises asupport outer ring, a sealing inner ring, an installing top ring and an inner shoulder sleeve connecting ring; the outer diameter of the sealing inner ring and the inside diameter of the bottleneck are matched; the inner diameter of the sealing inner ring is greater than the outer diameter of the dropper; the inner cap outer ring is connected with the outer side of the installing top ring; and the outer cap is clamped and connected with the outer side of the inner cap. The liquid suction and the liquid dropping of the silica gel press head and the dropper are stable and reliable; the assemblyprocess of the outer cap and the inner cap is simple; the production efficiency is improved; the falling is prevented; the connection strength is ensured; and the product quality is ensured.

The invention discloses a location support device for hot stamping plates, comprising a bottom plate arranged horizontally, an extension spring vertically mounted in the middle of the bottom plate, a guide sleeve sleeved outside the extension spring, and a support block supporting above the spring; two sides of the bottom plate are provided with strip mounting holes; the guide sleeve comprises an upper sleeve and a lower sleeve, an upper end of the upper sleeve is fixed on a lower surface of the support block, a lower end of the lower sleeve is fixed on the surface of the bottom plate, the lower end of the upper sleeve is glidingly sleeved with the upper end of the lower sleeve; the upper surface of the support block is provided with a convex ridge for locating the plates, a section of the upper surface of the support ridge is convexly circular and is made of manganese steel alloy materials. The invention discloses a novel location support device for hot stamping plates so as to effectively reduce the heat loss of the plates during the hot stamping process, to increase the location precision of the plates, to ensure the processing precision and to increase quality of the products.

The invention relates to the technical field of supporting and fixing devices, and discloses a cable bridge supporting and fixing device. The device comprises a cable bridge, a fixed frame arranged onone side of the cable bridge, an upper fixed base fixedly welded to the top of the fixed frame, a baffle fixedly welded to the top of the upper fixed base, and a connecting block movably clamped to one side of the upper fixed base; a suspension rod is fixedly welded to one end of the connecting block, a bolt sleeve is fixedly welded to one end of the suspension rod, a ring fixing buckle is fixedly installed on the periphery of the cable bridge, a locking bolt is fixedly connected between the two ends of the ring fixing buckle, square fixing buckles with opened right sides are fixedly installed on the two sides of the cable bridge respectively, and a fastening bolt is fixedly connected between the square fixing buckles. According to the supporting and fixing device, the connecting blocks are arranged on the two sides of the cable bridge, fixing and supporting of the cable bridge are achieved in a suspension mode through the suspension rods, the number of used I-shaped beam fixing frames is reduced, the construction difficulty is lowered, and the material cost is saved.

The invention provides an unmanned survey ship for shallow-water operation. Mounting grooves A are formed at two side surfaces of a hull; mounting blind holes are formed at the lower side surfaces ofthe mounting grooves A; the upper end of each buoy is fixedly connected to one end of a corresponding supporting connecting rod; the other end of each of the supporting connecting rods extends into the corresponding mounting groove A; supporting columns are arranged inside the mounting blind holes and the mounting grooves A; the bottoms of the supporting columns are hinged to the bottom surfaces of the mounting blind holes; horizontal driving rods are arranged at the upper half parts of the mounting blind holes; the outside ends of the horizontal driving rods are rotationally connected with horizontal lead screws; the inside ends of the horizontal driving rods are fixedly connected with horizontal guiding rods; horizontal guiding holes are arranged at the side walls of the mounting blind holes; one end of each of the horizontal lead screws extends out of the side wall of the corresponding mounting blind hole and is driven by a corresponding servo motor; the outside surfaces of the horizontal driving rods are fixedly connected with horizontal shafts; strip-shaped through holes are arranged in the middle parts of the supporting columns; and the outer sides of the upper half parts ofthe supporting columns are fixed with position-limiting platforms. The survey ship can achieve stable traveling in shallow-water areas, and ensure high efficiency and stability of the survey operation.

The invention discloses a building structure design floor beam reinforcing structure. The building structure design floor beam reinforcing structure comprises a floor plate, a floor beam is arranged on the lower portion of the floor plate, and the floor beam is fixedly connected with the floor plate. A supporting column is arranged on the lower portion of the floor beam, and the supporting column is fixedly connected with the floor beam. A fixing mechanism is arranged on the surface of the supporting column, the fixing mechanism comprises a supporting frame, and the supporting frame wraps the surface of the supporting column. According to the building structure design floor beam reinforcing structure, a movable groove is formed in a fixing seat, a sliding rod is arranged in the movable groove, a sliding block is arranged on the surface of the sliding rod, and a first mounting frame is arranged on the lower portion of the sliding block. A supporting rod is arranged between the first mounting frame and a second mounting frame, and the supporting rod is rotatably connected with the first mounting frame and the second mounting frame. An adjusting rod is arranged in the fixing seat, a pushing plate is arranged on the side face of the adjusting rod, the pushing plate makes contact with the sliding block through the adjusting rod, the supporting strength of the inclined supporting rod can be adjusted, and the supporting stability of the floor beam is ensured.

The invention discloses a cow and sheep water drinking device which comprises a water drinking trough connected with a water inlet pipe. The water inlet pipe is connected to a water drinking pool anda trace element pool through a T-joint. The water drinking pool and the trace element pool are installed on an enclosure roof. The water inlet pipe is connected with the trace element pool through theT-joint, trace elements are put in the trace element pool after being mixed with water, when cow and sheep need trace elements, trace element liquid in the trace element pool flows into the water drinking trough through the trace element pool, trace element intake is conducted in the water drinking process, the function of the water drinking trough is added, the utilization rate of the water inlet pipe is increased, automatic inflow is realized, manual addition is avoided, time and labor are better saved, the trace element amount is easier to control, and the water drinking device has the advantages of being simple in structure and low in cost.

The invention discloses a photovoltaic power generation system. The system comprises supporting structures, solar photovoltaic cells and double-side reflecting elements, wherein the supporting structures are installed on a fixing basis and distributed in an arrayed mode, and the solar photovoltaic cells and the double-sided reflecting elements are fixed to the supporting structures; each supporting structure comprises a supporting column, a supporting shaft and telescopic supporting frames, wherein the supporting column is installed on the fixing basis, the supporting shaft is fixed to the end, away from the fixing basis, of the supporting column, and the telescopic supporting frames are symmetrically arranged on the supporting column with the supporting column and the supporting shaft as axes of symmetry respectively; the ends, away from the supporting column, of the two supporting frames are fixed to the bottom surface of one solar photovoltaic cell respectively; each supporting shaft is provided with at least four clamping mounting parts, wherein the clamping mounting parts comprise circular rings and buckles, and the circular rings of the clamping mounting parts are installed on the supporting shafts in a sleeving mode and distributed at intervals; L-shaped fixing supports are connected to the supporting columns for fixation of the double-side reflecting elements. By means of the photovoltaic power generation system, the problems that in the prior art, the luminous efficiency of a photovoltaic assembly is low, the stability of supporting structures is poor and disassembly is not easy once installation is conducted are solved.

The invention relates to the technical field of mining equipment, and provides a hydraulic pin puller for mine support. The hydraulic pin puller comprises a pull-out hydraulic cylinder and a supporting device which are detachably assembled together, wherein the pull-out hydraulic cylinder comprises a cylinder body; a hollow piston rod is arranged in the cylinder body in a sealing and sleeving mode; the rear end of the cylinder body is detachably fixed with a guide end cover; a pulling rod is arranged in the hollow piston rod in a sleeving mode; a pulling rod regulating device is arranged on the rear end part of the pulling rod; the rear end of the pulling rod is twisted with a limiting nut; the front end of the pulling rod is twisted with a pulling head; the power output end of the pullinghead is equipped with outer threads; the supporting device comprises a supporting pedestal which is detachably mounted at the front end of the cylinder body; and at least two arc-shaped supporting plates with inward openings are arranged on the supporting pedestal in a sliding mode. The hydraulic pin puller for the mine support provided by the invention is convenient to carry, is convenient to use, is high in pin pulling efficiency, is wide in scope of application, and is convenient to popularize and use.

The invention relates to a photovoltaic panel carrying tool. The photovoltaic panel carrying tool comprises a back frame, straps, a supporting frame and a fixing band, wherein the back frame is arranged in the vertical direction, a back plate is fixedly arranged on the front side of the back frame, the straps are arranged on the front side of the back frame and correspond to the back plate, the supporting frame are arranged on the lower portion of the back frame, the supporting frame is provided with a supporting part and a limiting part, the supporting part is used for supporting a photovoltaic panel, the limiting part is used for limiting the photovoltaic panel in the left-right direction, and the fixing band is arranged on the rear side of the back frame and used for pressing the photovoltaic panel on the supporting part on the back frame. Due to the fact that when the photovoltaic panel carrying tool is used for fixing the photovoltaic panel, the stress point of the photovoltaic panel is located on the frame of the photovoltaic panel, a panel body of the photovoltaic panel cannot bear larger external force, it is guaranteed that the photovoltaic panel is not prone to being damaged in a carrying process, the damage rate of the photovoltaic panel is reduced, besides, the photovoltaic panel carrying tool can be carried by a single person, and can carry a plurality of photovoltaic panels at the same time, so that the carrying efficiency is improved.

The invention discloses a stable widened stacker which comprises a base, a gantry frame is vertically arranged on the base, a lifting device is installed on the gantry frame, a telescopic cargo fork is installed on the lifting device, and the lifting device drives the telescopic cargo fork to move vertically along the height direction of the gantry frame. Compared with the prior art, the stable widened stacker is high in reliability, the bearing strength of the device is large and the application scope is wide, the lifting base is simultaneously pulled to move on the gantry frame by two stay cables, the both ends of the lifting base are ensured to be lifted at the same time, thus ensuring support stability and improving lifting and lowering balance. The fork greatly improves the stabilityand load-bearing capacity of the material storage process by setting two fork bodies to take and put materials simultaneously, the travel range of the fork to take and put materials is enlarged by setting the upper fork body and the lower fork body, and the load-bearing capacity and the adaptive range of the fork are improved by setting a limit stopper assembly between the upper fork body and thelower fork body.

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 discloses a stable solar photovoltaic panel utilizing rainwater for quantitative self-cleaning. The solar photovoltaic panel comprises a base body, a mounting block, a photovoltaic panelbody, a butt joint block and a connecting shaft, wherein the mounting block is mounted at the upper end of the base body through bolts, a liquid discharging pipe is mounted at the lower end of the outer side of the mounting block in a penetrating mode, a filtering layer is fixedly connected to the upper end of the mounting block, a connecting shaft is mounted on the outer side of the base body ina penetrating mode, the photovoltaic panel body is fixedly connected to the outer side of the connecting shaft, and a first balancing weight is mounted at the lower end of the base body through bolts. According to the stable solar photovoltaic panel utilizing rainwater for quantitative self-cleaning, rainwater is stably filtered and collected in the mounting block in rainy days, when the amount of rainwater at a certain position exceeds the bearing range of a movable block, the rainwater is stably thrown into the inner side of an accommodating block at the corresponding position along the liquid discharging pipe in a connected state, and thus the self-cleaning work of quantitative rainwater is achieved in cooperation with a cleaning roller.

The invention provides a vertical support stress uniform distribution device for building reinforcement engineering, and relates to the technical field of building construction. The device comprises a lower mounting seat; wherein lower mounting seat is mounted on a base plane through expansion bolts; a supporting body which is connected to the upper end face of the lower mounting base in a fastened mode through an adjustable fastening assembly; a protection assembly which is installed at the top of the supporting body, and the protection assembly is located on the outer side of the stress uniform distribution core block; and an auxiliary supporting assembly which is arranged at the top of the supporting main body. The vertical support stress uniform distribution device can effectively protect a matching surface, guarantees good angle adjusting capacity, can observe and monitor the deflection condition of an upper mounting seat, has good supporting capacity and adjusting capacity, is convenient to use and simple to operate, has higher working stability and practicability, and solves the problems that a traditional supporting device cannot well protect the spherical matching surface, the deflection condition of the support is difficult to effectively observe and monitor, so that the deflection of the support is too large.

The invention discloses a special cosmetic packaging bottle with stable and reliable liquid suction. The special cosmetic packaging bottle comprises a bottle body, a bottle opening, an inner cover, anouter cover, a pressing rubber head and a drop tube; the inner cover is mounted on the bottle opening through an inner shoulder sleeve; the inner shoulder cover comprises a supporting outer ring, a sealing inner ring, a mounting top ring and an inner shoulder sleeve connecting ring; the outer diameter of the sealing inner ring is matched with the inner diameter of the bottle opening; the inner diameter of the sealing inner ring is larger than the outer diameter of the drop tube; the inner cover is connected with the mounting top ring; the outer cover is clamped on the outer side of the innercover; the pressing rubber head is mounted between the inner cover and the outer cover through a pressing rubber head mounting ring; the top of the outer cover is provided with an upper opening matched with the pressing rubber head mounting ring; a lower opening matched with the pressing rubber head mounting ring is formed in the top of the inner cover; and the outer side of the middle of the pressing rubber head mounting ring is provided with an outer clamping groove matched with the top of the outer cover and the top of the inner cover. The pressing rubber head and the drop tube are stable and reliable in liquid suction and liquid dropping, the outer cover and the inner cover are connected in a clamped mode, the assembly process is simple, the production efficiency is improved, falling-off can be prevented, the connection strength is ensured, and the product quality is ensured.

The invention relates to a novel gel posture pad and a manufacture method thereof. Gel in the posture pad is filled with light particles with densities smaller than those of gel. The gel posture pad is a posture pad formed in such a manner that gel is sealed and packaged between a surface-layer package and a bottom package. The light particles, which are uniformly distributed or collected in layers, multiple layers or columns, are distributed in gel. The novel gel posture pad and the manufacture method thereof have the following beneficial effects: by adoption of the technical scheme, light foaming particles and high-module gel mixtures are utilized for pouring as support fillers for the gel pad; therefore, the poor support performance and stability at different heights and sizes of a conventional gel pad are solved; the overall weight is greatly reduced; working intensity of medical staff is reduced; and operation efficiency and safety are improved so that the operation effect is improved.

The invention provides a digital twinning-based power grid power station management information platform, which comprises a mounting shell, an information pipe data display screen, a ventilation net, a machine shell, a data processor, a data management analysis server, a wireless control module, a base, an angle-adjustable supporting rod structure and a heat dissipation protection buffer air pipe structure, based on a digital twin data updating platform structure and a pick-and-place type field data recording and transferring plate structure, an information tube data display screen is embedded in the upper side of the interior of a mounting shell. Through the arrangement of the U-shaped support, the stand column, the connecting base, the movable rod, the adjusting pipe, the adjusting bolt and the movable base, angle adjustment is facilitated, observation and data editing management operation are facilitated, and by loosening the adjusting bolt, the telescopic position of the adjusting pipe on the outer wall of the movable rod is moved and adjusted; therefore, the mounting shell in the U-shaped bracket can drive the information tube data display screen to perform angle adjustment operation, so that the visibility and the convenience of editing operation are ensured.

The invention discloses an explosion-proof metal pressure vessel which comprises a main vessel body, a working cavity is formed in the main vessel body, a feeding pipeline with an upward opening is arranged on the upper wall of the working cavity in a communicating mode, and a movable switch valve is arranged in the feeding pipeline. In the transportation process of the main vessel body, when the air pressure in the working cavity is increased due to the change of the transportation environment, expanded air in the working cavity is guided in a one-way mode through a one-way air pressure valve, then is input into a communication pipeline, is input into a storage cavity through an air inlet sliding groove and is stored, and then the effect of stabilizing the air pressure in the working cavity is achieved; and meanwhile, when the pressure of the air entering the communication pipeline instantly is high, a lifting piston is subjected to large impact and moves downwards, the upper side and the lower side of an air outlet pipeline are communicated, the storage cavity exhausts internal air outwards through the air outlet pipeline, then the effect of keeping the internal air pressure of the working cavity stable is achieved, and the overall explosion-proof performance of the main vessel body is improved.

The invention provides an anti-falling digital robot. The anti-falling digital robot comprises a main body; a magnetic ball is placed in a center seat; a magnetic conductive plate is connected with the magnetic ball through a balance spring; a movable plate is inserted into a guide seat in a sliding mode; a collision plate is movably connected to the outer side of a fixing shaft in a sleeving mode; an ejector rod is movably inserted into the top of the collision plate; a supporting piece is movably inserted into the outer side of the main body and located below a limiting seat; a positioning plate is fixedly connected to the top of the supporting piece; and a positioning swing rod is rotationally connected to the top of the limiting seat. When the digital robot falls down accidentally, thecenter seat deflects along with the main body, so that the magnetic ball moves and makes contact with the magnetic conductive plate; the magnetic conductive plate adsorbs the movable plate to move towards the side close to the center seat after being magnetized by the magnetic ball; the movable plate drives the collision plate to deflect; after the collision plate deflects, the supporting piece is pushed to extend downwards; the main body is supported through the supporting piece. and therefore, the digital robot is prevented from falling down.

The invention relates to a pipe barrel inner wall automatic polishing device. The pipe barrel inner wall automatic polishing device comprises a machine body, at least three supporting wheel sets, a rotary disk and a grinding structure, wherein the machine body is arranged in a pipe barrel; the at least three supporting wheel sets are arranged on the pipe barrel at intervals in the circumferentialdirection; the at least one supporting wheel set is provided with a driving wheel used for driving the machine body to move in the axial direction of the pipe barrel; the rotary disk is rotatably assembled to the machine body; and the grinding structure is arranged on the rotary disk and used for polishing the inner wall of the pipe barrel in the rotating process. The grinding structure arranged on the machine body rotates in the circumferential direction of the pipe barrel when the rotary disk rotates so as to conduct grinding on the inner wall of the pipe barrel. The machine body is providedwith the supporting wheel sets with the driving wheels. The supporting wheel sets can drive the machine body to move in the axial direction of the pipe barrel, so that the grinding structure moves inthe axial direction of the pipe barrel when conducting circumferential grinding on the inner wall of the pipe barrel to implement automatic grinding on the pipe barrel. The labor intensity is reduced, the grinding efficiency is improved, and the grinding quality is ensured.