85results about How to "Avoid bumps and scratches" patented technology

The invention provides a butt tool for cabin sections of a small missile. The butt tool comprises a bottom frame, an axial rail, a lifting fine adjustment mechanism, a transverse fine adjustment mechanism and an axial force application mechanism. The butt tool adopts an integrally assembled structure form, and is convenient to carry, operate and maintain; and an upper arc seat and a lower arc seatwhich are used for clamping a missile body are connected through hinges, so that assembling, disassembling and clamping of each cabin section are facilitated, and the working efficiency is improved.The butt tool has the advantages that each cabin section can be freely adjusted in the X, Y and Z directions, so that the difficulty of centering and alignment of the cabin sections is greatly lowered, and the assembly efficiency and quality are improved; the defect that manual assembly is not stable and low in efficiency is overcome, meanwhile, the labor intensity of operators is greatly reduced,and the phenomenon of collision and scratch of the missile body is effectively avoided; and the coaxiality of the cabin sections of the missile can be guaranteed to be less than 0.3mm through precisemechanical assembly.

The invention discloses a fed and discharged material clamping device in engine crankshaft machining, aiming at solving the problem of positioning and clamping crankshaft workpieces when being fed and discharged. The clamping device comprises an execution mechanism, a driving mechanism, a positioning block and a workpiece identifying mechanism, an installing plate and a PLC (Programmable Logic Controller) control system, wherein the execution mechanism is composed of guide tracks, slide blocks, clamping arms and a clamping base; the guide tracks are symmetrically arranged at left and right and are fixed on the installing plate; the sliding blocks are assembled at the front and back ends of the guide track at each side; the clamping arm comprises a front clamping arm which is assembled with two slide blocks at the front end and a rear clamping arm which is assembled with two slide blocks at the rear end; the clamping base comprises a crankshaft flange end sleeve base and a crankshaft front end sleeve base; the crankshaft flange end sleeve base is embedded at the lower end of the front clamping arm; and the crankshaft front end sleeve base is embedded at the lower end of the rear clamping arm. The clamping device has the characteristics of simple structure, convenience in maintenance, low manufacturing cost and accurate positioning, the workpiece is prevented from being collided or scratched when being fed and discharged, the working intensity of operation personnel is reduced, and the working efficiency is improved.

The invention discloses an engine assembly transporter which comprises a hanging rail and a movable lifting mechanism, wherein the movable lifting mechanism is movably hung on the hanging rail and comprises a drive motor, a driving shaft, an automatic clutch structure and a lifting bracket below the drive motor; the driving shaft is linked with the drive motor; a movable wheel and a winding wheel are arranged on the driving shaft in a sleeving manner; the drive motor selectively drives the movable wheel or the winding wheel to rotate through the automatic clutch structure; the movable wheel is hung on the hanging rail and forms rolling connection with the hanging rail; one end of a driving belt is fixed and wound on the winding wheel, and the other end of the driving belt is fixedly connected with the lifting bracket; and an automatic engine clamping mechanism and a driving belt locking mechanism are further arranged on the lifting bracket. The engine assembly transporter can realize hoisting, lifting and transporting automation when an engine is transported to facilitate improvement of the production efficiency and avoid the phenomenon that the engine is knocked or scratched.

The invention discloses a bus conductor assembly tool. The bus conductor assembly tool is characterized by comprising a supporting plate and a buckling plate hinged to one end of the supporting plate and fixedly connected with the other end of the supporting plate. The supporting plate and the buckling plate form a clamping hole for a conducting rod to pass through after being closed. The two sides of the supporting plate are respectively connected with a wheel supporting frame through an adjusting screw, the other end of each wheel supporting frame is provided with two or more wheels capable of moving in bus cylinders, the wheels are arranged in the axial direction of the bus cylinders, and the height of the supporting plate can be adjusted through the adjusting screws. The bus conductor assembly tool is simple in structure and convenient to use and is a two-point-centering type device. The height of the supporting plate can be adjusted. Construction can be carried out after the supporting plate and the buckling plate clamp the conducting rod. The bus conductor assembly tool can lower the labor intensity, shorten the installation time and prevent the bus cylinders, a sleeve and the conducting rod from being bumped or scratched, is light in overall weight, can be disassembled into parts and components to be carried and can be conveniently used for maintaining the bus cylinders or the sleeve on the site in the outdoors.

The invention discloses a movable supporting leg overturning and conveying apparatus for an engineering machine. The movable supporting leg overturning and conveying apparatus comprises a first conveying mechanism and a second conveying mechanism, and a supporting leg overturning device is arranged between the first conveying mechanism and the second conveying mechanism. The supporting leg overturning device comprises a C-shaped toothed disc and a rotary driving mechanism, and the end portion of the C-shaped toothed disc is provided with a supporting leg clamping mechanism. The movable supporting leg overturning and conveying apparatus automatically overturns, an overturning process requires no manual operation, and an operator can do other work during the period of time. For the automatic supporting leg overturning device, the overturning process requires on hoisting device to release production resources. Hydraulic clamping is employed, and a pressure detection switch is cooperatively used. When a set pressure value is reached, no continue pressure is applied. Collision and scratching of the surface of the supporting leg caused by artificial overturning can be prevented.

The invention relates to a shock absorption type trolley travelling system, which comprises a loading platform, a driving wheel and a driven wheel are respectively arranged on the bottom of the loading platform, a rotary shaft A is arranged in the center of the driving wheel, both ends of the rotary shaft A are respectively located in a bearing block A and a bearing block B, a supporting frame A is arranged on the tops of the bearing block A and the bearing block B, a motor is arranged on the sidewall of the right end of the supporting frame A, the output shaft of the motor is connected with the input shaft of a reduction box, the output shaft of the reduction box is connected with the right end of the rotary shaft A through a coupling, a spring A is arranged between the top of the supporting frame A and the bottom of the loading platform, and a hydraulic rod A is arranged in the spring A. The shock absorption type trolley travelling system has the advantages of simple structure, reliable operation, good shock absorption performance and good economical efficiency.

The invention discloses a wall hanging type desk, which comprises an upper desktop, a connecting frame and a support frame and is characterized in that the connecting frame is connected with a wall surface, one side, near the wall surface, of the bottom of the desktop is provided with a lower support seat, a support seat connecting hole is formed in the lower support seat, the upper part of the connecting frame is provided with a connecting frame connecting hole, the desktop is hinged to the connecting frame through the support seat connecting hole, the connecting frame connecting hole and a first connecting shaft, the lower part of the support frame is hinged to the lower part of the connecting frame through a second connecting shaft, one side, far away from the wall surface, of the bottom of the upper desktop is provided with a bottom lug boss, the upper end of the support frame is connected with the bottom lug boss, the upper end of the support frame is higher than the lower part of the support frame, and the connecting frame is connected with the wall surface. The wall hanging type desk has the advantages that the structure is simple and compact, the installation and the folding are convenient, the occupied space is small, the desk is stable and firm in use, the reliability is high, and the wall hanging type desk is particularly suitable for being used for study on a bed in a narrow space.

The invention provides an electroplating product support frame structure. The electroplating product support frame structure comprises at least one electroplating product. A sprue is connected to theouter edge of each electroplating product. Each sprue is connected with a support frame arranged around the corresponding electroplating product. and a support column is arranged on each support frame. A positioning protruding column is arranged at one end of each support column, and a positioning pit matched with the positioning protruding column is arranged at the other end of each support column when the support columns are stacked on each other. The height of each support column is higher than the thickness of each electroplating product, and the front surface and the bottom surface of each electroplating product are correspondingly arranged in the horizontal plane formed by the two end surfaces of the corresponding positioning protruding column and the corresponding positioning pit onthe corresponding supporting column. Each positioning protruding column is in a truncated cone shape, and each positioning pit is tapered and is in tapered surface fit with the corresponding positioning protruding column. The multiple support columns are arranged and uniformly arranged in the circumferential direction of each support frame. The electroplating product support frame structure is convenient to stack, the electroplating efficiency is improved, and meanwhile it can be ensured that electroplated parts are not bumped and scratched during transportation.

According to the adopted technical scheme, the invention provides a large curtain wall large panel material and unit plate overturning device. The device comprises a lower fixed steel frame, an uppersliding steel frame, an electric sucker mechanism and an overturning mechanism. The electric sucker mechanism is installed on the top face of the upper sliding steel frame. The upper sliding steel frame can be arranged on the top face of the lower fixed steel frame in a sliding and disengaging manner. The overturning mechanism is hinged to the front end of the bottom of the lower fixed steel framealong the horizontal axis, and in the non-overturning state, the rear end of the top of the overturning mechanism is in butt joint with the front end of the top of the lower fixed steel frame. The upper sliding steel frame can slide front and back on the top faces of the lower fixed steel frame and the overturning mechanism and overturns back and forth between a horizontal position and a verticalposition at the front end of the fixed steel frame under the drive of the overturning mechanism. By means of the large curtain wall large panel material and unit plate overturning device, fast overturning of unit plates is achieved, safety and reliability are achieved, the unit plates do not need to be horizontally rotated and overturned in outdoor air, finished product protection is facilitated,the unit plates are not likely to be collided by one another, and safety of personnel is ensured.

The invention provides a protection device for a bulged beam body, and a mounting method of the protection device, and relates to the technical field of building safety. The protection device for the bulged beam body comprises two mounting parts arranged at the junction of the beam body and a wall body; each mounting part comprises a first plate body connected with the beam body, a second plate body connected with the wall body, and a rotating cover connected with the side, away from the first plate body, of the second plate body; the rotating covers rotate around the junctions of the rotating covers and the second plate bodies; and winding rollers are arranged in a space defined by the first plate bodies, the second plate bodies and the rotating covers, and a protection cloth is connected between the winding rollers of the two mounting parts. According to the protection device for the bulged beam body, and the mounting method of the protection device, safety and reliability are achieved, the structure is simple, mounting and dismounting are convenient, the bulged beam body is protected, scratching and colliding are prevented, and the protection cloth can be replaced at any time, and can be disassembled to be cleaned.

The invention discloses a paint layer vibration polishing protection clamp for vane fan-shaped assemblies. The paint layer vibration polishing protection clamp comprises a horizontal mounting rod, a plurality of horizontal supporting rods and a plurality of longitudinal circular rings. The longitudinal circular rings are connected through the horizontal supporting rods to form a cylindrical cage-type structure. The vane fan-shaped assemblies are fixed to the mounting rod in the cage-type structure and make spiral movement in the three-dimensional direction along with abrasives in a working cavity of a vibration polishing machine, and the cage-type structure effectively prevents the scratching and bumping between the vane fan-shaped assemblies. Meanwhile, the abrasives are machined through the gap between clamp structural members, and the free flowing of the fan-shaped assemblies is not affected.

The invention discloses a rotating cutter storage device for machining which comprises a vertical plate, rotating frames and cutter boxes. The bottom of the vertical plate is welded to the base; a set of transverse shafts is detachably connected to the vertical plate; the transverse shafts are rotatably matched with the rotating frames through bearings; a set of inserting-and-pull frames is inserted into the peripheries of the rotating frames; hinging seats are arranged on the inserting-and-pull frames and the cutter boxes; the inserting-and-pull frames and the cutter boxes are hinged through matching of the hinging seats and pin shafts; box covers are hinged to the front ends of the cutter boxes; the rear ends of the cutter boxes are connected with the rear ends of the inserting-and-pull frames through reset springs; and a set of reinforcing ribs is welded between the vertical plate and the base. According to the rotating cutter storage device for machining, cutters of multiple types can be stored, and the cutters can be stored separately, so that bumping and scratching of the cutters are effectively avoided, and storing and taking of the cutters are convenient and quick.

The invention discloses a device for preventing ball damage during the ball release of a deep groove ball bearing. The device comprises a ball feeding crescent, an inner reed, an inner reed pressing plate, an outer reed and an outer reed pressing plate. The ball feeding crescent consists of a ball feeding plate and a crescent plate which are connected with each other. The inner reed and the outer reed are disposed on the front face and back face of the crescent plate, respectively. The inner reed pressing plate pressing the inner reed is disposed on the front face of the crescent plate. The outer reed pressing plate pressing the outer reed is disposed on the back face of the crescent plate. The ball feeding plate is also provided with a ball feeding hole. Through the protection of the inner reed and the outer reed, the device provided by the invention can avoid the phenomena of collision and abrasion when the deep groove ball bearing is placed between a inner ring and an outer ring, so that the noise of the deep groove ball bearing during the rotation can be lowered, the assembly quality of the bearing is improved, and the service life of the bearing is prolonged. In addition, according to the invention, balls can be fed manually, and the device also can be mounted on an automatic assembly machine to be convenient to use.

The invention relates to the technical field of optical lens assembly, and particularly discloses an automatic assembly device and an assembly method for an optical lens. The assembly device comprisesa bed frame, wherein a conveyor belt is arranged in the middle of the bed frame, a pick-and-place device is arranged in the middle of one side of the bed frame, assembling components are symmetrically arranged on the other side of the bed frame, and limiting components are uniformly arranged on the conveyor belt; and each limiting component comprises a limiting groove formed on the conveyor belt.According to the optical lens automatic assembly device, by the conveyor belt, the two assembly components and a pick-and-place component, the assembly line operation of lens assembling is achieved,and the working efficiency is high; and meanwhile, when a lens shell is picked and placed through the assembly components, the lens shell is protected while the lens shell is stably clamped, and the lens shell is prevented from being bumped and scratched; and when the lens shell is fixed with the limiting components, the limiting components can realize fixing of lens shells of various size, and the lens shell is prevented from being damaged while the lens shell is fixed.

The invention relates to a tool for hoisting a single segment of cylinder body and belongs to the technical field of shipbuilding and ship repairing. The tool comprises an upper hoisting pipe (1) and a lower hoisting pipe (2); the rear end of the upper hoisting pipe (1) is connected with the rear end of a lower hoisting pipe (2) through a connecting part (3); a front reinforcing plate (5) and a rear reinforcing plate (4) are respectively arranged at the front and rear sides of the connecting part (3); an upper telescopic rod (6) penetrates into the front end of the upper hoisting pipe (1); an upper nylon sleeve (7) sleeves the front end of the upper telescopic rod (6); a lower telescopic rod (8) penetrates into the front end of the lower hoisting pipe (2); a lower nylon sleeve (9) sleeves the front end of the lower telescopic rod (8); the upper surface of the lower hoisting pipe (2) is covered by a plurality of arc-shaped nylon cover plates (10). The tool for hoisting the single segment of cylinder body, disclosed by the invention, has the advantages of effectively preventing the phenomenon of scratching and contusion of the surface of a tower cylinder and greatly reducing the workload of subsequent repairing and grinding.

The invention relates to the technical field of information acquisition terminals, in particular to an enterprise business environment evaluation information acquisition terminal which comprises a suspension bracket, butt-joint clamping pieces and elastic plug connectors, and a base plate and a tablet computer are arranged in the suspension bracket; the two sets of butt-joint clamping pieces are arranged on the surface of the suspension bracket, and a drawing type protection piece is arranged between the two sets of butt-joint clamping pieces; the elastic plug connectors are arranged on the surface of the suspension bracket and used for limiting the butt-joint clamping pieces; and the enterprise business environment evaluation information acquisition terminal has the beneficial effects that after the tablet computer is pushed into the suspension bracket, a lead-in insertion plate is inserted into a butt joint groove, the lead-in insertion plate is inserted and limited by an insertion plate, at the moment, the tablet computer is clamped by a clamping plate, the tablet computer is prevented from falling off, when the tablet computer is disassembled, only the insertion plate needs to be extracted, the lead-in insertion plate is pulled out of the butt joint groove, at the moment, the tablet computer is not provided with a limiting structure, and the tablet computer can be pulled out of the suspension bracket, so that the tablet computer can be quickly assembled and disassembled.

The invention discloses an on-vehicle package box for a large-diameter annular workpiece and an ultra-large type grading ring package structure. The on-vehicle package box for the large-diameter annular workpiece comprises a bottom plate, a box body enclosed by side plates on the periphery, and a cover plate arranged opposite to the box body; a bottom row component used for supporting the ground surface when the box body is placed vertically is fixed on the outer surface of a side plate on one side of the box body; a pair of cross arm wood beams which are arranged at intervals and are used for supporting an annular workpiece when the box body is placed horizontally are fixed on the inner plate surface of the bottom plate of the box body at least; at least one pair of compressing wood beams which are spatially perpendicular to the cross arm wood beams are arranged between two opposite side plates of the box body; and the cross arm wood beams are fixedly connected with the compressing wood beams through connecting bolts arranged at spatial intersection points of the cross arm wood beams and the compressing wood beams. The package box provided by the invention has a simple structure and is convenient to use; the bumping and scratching of an ultra-large type grading ring in transit are avoided effectively; the safe load and transport of the ultra-large type grading ring are ensured; the transportation cost is reduced; and the on-vehicle package box for the large-diameter annular workpiece and the ultra-large type grading ring package structure are applicable to the transportation of domestic width-limited or height-limited roads and narrow mountain roads.

The clamping mechanism comprises a two-way guide structure, a driving clamping structure and a driven clamping structure, the two-way guide structure comprises a fixedly-installed base, a first sliding rail and a second sliding rail, the first sliding rail and the second sliding rail are arranged on one side of the fixedly-installed base in parallel in a spaced mode, and a center pin column is arranged between the first sliding rail and the second sliding rail; the center pin column is rotationally connected with an offset linkage rod, the driving clamping structure comprises a driving device and a first sliding guide block, the first sliding guide block is in sliding connection with the second sliding rail, the driven clamping structure comprises a second sliding guide block, and the second sliding guide block is in sliding connection with the first sliding rail. The first sliding guide block is driven by the driving device to slide on the second sliding rail, and the second sliding guide block is driven by the offset linkage rod to slide reversely on the first sliding rail, so that opposite movement of the driving clamping push rod and the driven clamping push rod is realized and is stopped until a clamped part is clamped, self-adaptive clamping is realized, the two clamping jaws are mutually linked, and the clamping efficiency is improved. The clamping force is the same, and reliable and stable clamping is achieved.

The invention provides an overturning method of a large face plate material and a large unit plate of a large-sized curtain. The overturning method comprises the following steps that firstly, an overturning device is fixed to the edge of a floor slab, and a rope is tied to a detachable carrying pole at the back end of the unit plate; secondly, the unit plate is placed on an upper sliding steel frame on the upper part of the overturning device with the facade face being upward and fixed; thirdly, the upper sliding steel frame is pushed to slide frontwards until the upper sliding steel frame andthe front part of the unit plate slide out of the edge of the floor; fourthly, the overturning mechanism drives the upper sliding steel frame and the front end of the unit plate to be inclined downwards and conduct vertical rotation until the upper sliding steel frame and the unit plate are located outside the floor and are perpendicular to the horizontal plane and the facade face of the unit plate is outward; fifthly, a pulling rope is lifted, the unit plate is hoisted, and then the overturning process is completed. The large-sized curtain unit plate is rapidly and safely overturned by meansof the overturning device, the unit plate does not need to be overturned outdoors in the air, finished-product protection is facilitated, the unit plate is not prone to collision, and personal safetyis facilitated.

The invention relates to the technical field of sliding plate replacement devices, and discloses a sliding plate replacement device for converter sliding plate slag blocking. The sliding plate replacement device for converter sliding plate slag blocking comprises a base plate, universal wheels are fixedly installed at the bottom of the base plate, and a placing rack is fixedly installed at the topof the base plate. A placing slot is formed in the top of the placing rack, a cushion plate is movably installed inside the placing slot, supporting columns are fixedly arranged at the position, located on the left side and the right side of the placing rack, of the top of the base plate, and a pull rod is fixedly arranged on the right side of the base plate. According to the sliding plate replacement device for converter sliding plate slag blocking, an second electric push rod drives a supporting seat and a clamp to slide on a guide rail through a sliding block, so that the clamp exerts an external force on the sliding plate, the sliding plate is more convenient to replace, collision and scratch caused by prying by a crowbar during installation and disassembling of the sliding plate areavoided, the effect of simple and convenient replacement is achieved, the practicality of the replacement device s improved, and the replacement device is convenient to promote.

The invention provides a head-free cylinder positioner. The head-free cylinder positioner comprises a first rotary supporting seat 11 and a second rotary supporting seat 12 which are oppositely arranged, wherein a motor reducer 13 arranged on the first rotary supporting seat 11 is connected with a first rotary support 21 and is used for driving the first rotary support 21 to rotate; a first turntable 31 is installed on the first rotary supporting seat 11 through the first rotary support 21 and is used for rotating under the drive of the first rotary support 21; a second turntable 32 is installed on the second rotary supporting seat 12 through a second rotary support 22; a first movable clamping clack 41 is arranged on the first turntable 31 and a second movable clamping clack 42 is arranged on the second turntable 32. Since the first movable clamping clack 41 and the second movable clamping clack 42 are used for clamping two ends of a cylinder, the cylinder can be prevented from being collided and scratched during turnover due to a reason that the cylinder cannot be fixed, and the turnover reliability of the cylinder is effectively improved.

The invention discloses a lemon fruit selecting machine. The lemon fruit selecting machine comprises an accommodating groove, a shunting groove, a sorting groove and N fruit outlet grooves, wherein the accommodating groove is formed vertically, the top of the accommodating groove is open, the bottom of the accommodating groove is inclined, and an opening is formed in the side surface, near the inclined lower end of the bottom of the accommodating groove, of the accommodating groove; the shunting groove comprises a cylindrical shell, a rotating shaft, a blade separating assembly and a passageway, wherein the axis of the cylindrical shell is horizontally arranged, the rotating shaft is horizontally arranged on the axis of the cylindrical shell, the blade separating assembly is distributed ina centrosymmetric mode by using the rotating shaft as a center, and the passageway is arranged under the cylindrical shell; the sorting groove is horizontally formed, and the sorting groove comprisessupporting nets which are formed in the sorting groove in an inclined mode and a pair of rotating rods which are arranged in the sorting groove in parallel; the N fruit outlet grooves are located onthe axial side of a pair of rotating rods, N is an integer greater than 1, the horizontal height of an opening, the horizontal height of a notch and the horizontal height of the passage are reduced insequence. According to the lemon fruit selecting machine, the structure is simple, the fruit injury rate is low, the freshness and intact of a lemon is ensured, and the sorting precision and sortingefficiency are improved.

The invention belongs to the technical field of agricultural fruit and vegetable sorting equipment, and discloses a fruit and vegetable sorting line automatic boxing method and device, and the fruit and vegetable sorting line automatic boxing device is provided with an upper layer boxing manipulator; the upper-layer boxing manipulator is arranged on the upper layer of the automatic boxing device, and an auxiliary manipulator and an auxiliary warehouse are further arranged on the upper layer of the automatic boxing device; batch automatic boxing of the soft-shell fruits is achieved, and the fruits are prevented from being collided and scratched in the boxing process; the sucking disc used by the invention is designed and customized according to the fruit shape, and the sucking disc shape conforming to the fruit shape and an organ type buffer structure are used to realize flexible sucking and carrying of the soft-shell fruit; unmanned automatic boxing of fruits is achieved, the boxing speed is high, and the takt is uniform and determined; the soft-shell fruit boxing device can automatically box soft-shell fruits in order, auxiliary materials can be automatically placed, the fruits on all layers are prevented from making contact with one another, and the fruit packaging quality is improved.

The invention discloses a bottle cap transporting system. The bottle cap transporting system comprises a transporting pipeline and a decompression device. The transporting pipeline is connected with adraught fan which is used for transporting high speed air flow; a bottle cap feed inlet is formed in the transporting pipeline. The high speed air flow and a bottle cap pass through the transportingpipeline and enter the decompression device through a material inlet on one side of the decompression device; and the bottle cap entering the decompression device rotates under blow of the high speedair flow in the circumferential direction and impacts a disturbing rod in the decompression device; the disturbing rod swings with air pressure to disturb circumferential movement of the bottle cap, and the bottle cap falls freely due to self-weight and is discharged through a material outlet. The bottle cap transporting system is simple in structure and convenient to use, and the condition that the bottle cap is bumped and scratched is prevented.

The invention discloses a high-efficiency compound radiator, comprising an upper header and a lower header; the upper header and the lower header are connected by means of a heat-dissipating core tube; a heat-dissipating main body tube sleeves the heat-dissipating core tube; an upper cover is arranged on the upper header; a lower cover open in a lower end thereof is arranged outside the heat-dissipating main body tube; a lower end portion of the upper cover is connected with an upper end portion of the lower cover in such a manner that hermetical connection is formed at a connection part thereof; a heat source inlet at one end of the upper header is connected with a heat water inlet, and a vent valve is arranged at the other end of the upper header; a water return port formed in a part, on one side of the vent valve, of the lower header is connected with a water return pipeline; the heat-dissipating core tube is an elliptical core tube of which the section perpendicular to an axial direction is elliptical, and the heat-dissipating main body tube is an elliptical heat-dissipating tube matched with the elliptical heat-dissipating core tube. The high-efficiency compound radiator is beautiful in shape, and convenient to mount, demount and repair; due to the combination of the matching elliptical core tube and elliptical heat-dissipating tube, the heat cycle efficiency is high, the heat utilization rate is increased, and the purpose of quick and balanced heat dissipation is achieved.

The invention discloses an automobile front sliding column mistake-proof split charging table which comprises a workbench, a brake disc positioning mechanism and a sliding column supporting and positioning mechanism, and the brake disc positioning mechanism and the sliding column supporting and positioning mechanism are arranged on the workbench. The sliding column supporting and positioning mechanism comprises a sliding column supporting block used for supporting a front sliding column, a sliding column positioning groove is formed in the sliding column supporting block, and a mistake-proof limiting block is arranged on one side of the sliding column supporting block and corresponds to a stabilizer bar mounting bracket on a sliding column. The automobile front sliding column mistake-proof split charging table is reasonable in structural design, the mistake-proof limiting block is arranged on the sliding column supporting block for mistake proofing of the position of the sliding column, and therefore front sliding column split charging mistake proofing is achieved, the problem that parts are collided and scratched in the taking and placing process is solved, the consistency of split charging assembly parts is guaranteed, man-machine engineering is optimized, and the production efficiency is improved.

The invention discloses a portable temperature measuring device of wires and electrical appliances. The portable temperature measuring device comprises a temperature detection tester, a temperature measuring sensor and a housing body. The housing body comprises a base plate. The base plate is connected with a front protection plate and a back protection plate. A wire in and out hole is arranged in the back side wall of the housing body. Horizontal support frames are arranged near the edges of a horizontal support face on left and right sides of a control panel on the lower part of the horizontal support panel. The lower part of the horizontal support face of a display is connected with a horizontal support frame. The horizontal support frame is connected with a base plate via a support frame angle adjusting structure. The angle of inclination in front and back directions of the temperature detection tester of the temperature detection controller and the horizontal support frame are adjusted via a support angle adjusting structure. According to the invention, observation angle of the temperature detection controller is easily adjusted; it is easy for detectors to precisely observe the displayed measuring data; working intensity can be reduced; working efficiency is increased; and safety and reliability of detection work are ensured.