666 results about "Hardware tool" patented technology

This invention relates to a hardware tool for interacting with an “intelligent device” such as a “smart phone,” e.g., Apple Corporation's “iPhone”, or other devices with certain comparable capabilities, such as the Apple “iPad” tablet computer, and to a method for authorizing transactions based on successful interaction. More specifically, the invention relates to employment of a hardware tool having contact members for contacting the touch-sensitive screens of such devices at plural locations in specific spatial relation to one another. The device, running an application program or “app”, then detects the locations at which the screen has been thus contacted, and compares those locations to stored locations specific to a particular type of transaction, and, if the detected locations match a set of stored locations, authorizes the transaction to proceed.

The invention relates to a split line moving platform. A power transmission lead is used as a working path in the platform, various barriers (a vibration damper, a crimping pipe, a spacing bar, a suspension line clamp, an insulator string and the like) are spanned and avoided, the platform is provided with a camera which can observe the condition of the running line and timely discover the defects of the line and hardware tools, and other working mechanical arms can be expanded to finish clearing line barriers and the like. A robot has flexible action and large working range, has the effect of protecting devices during jumping the barriers, and has high safety and reliability. The platform mainly consists of a traveling device, a driving arm device, an anti-tilting device and a power supply control box; and the traveling device is arranged on an electric cable and connected with the driving arm device, and the anti-tilting device is arranged at the tail end of the traveling device.

The invention belongs to the field of hardware tools or tunnel boring machines, and in particular to a cutting test method for a rock-cutting tool. The cutting test method for the rock-cutting tool is characterized in that: a cutting test device for the rock-cutting tool comprises a storage box moving device, a storage box turning device, a cutting tool device, a screw-down oil cylinder device, a cutting tool moving device, a whole frame and a cutting tool locking device; the whole frame is formed by connecting an upper crossbeam, a lower crossbeam and a middle crossbeam by four prestressed pull rods; the whole frame is in rigid connection with the storage box moving device which is connected with a foundation; the storage box moving device at least comprises a pedestal, a guide rail, an operating platform and a hydraulic cylinder; the storage box turning device is arranged on the operating platform which is fixed on the guide rail on the pedestal; and the storage box turning device is moved to a working area to work by pushing the operating platform by the hydraulic cylinder. The cutting test method for the rock-cutting tool can really simulate the actual working condition of a tunnel boring machine (TBM) so as to systematically analyze the rock breaking and wearing processes of the rock-cutting tool.

A computer-controlled diagnostic network system. The system includes diagnostic devices and diagnostician devices located at different locations in a distributed secured network. The system includes a computer-controlled central blockchain server for storing and processing details obtained from the diagnostic devices and the diagnostician devices. The computer-controlled central blockchain server is communicatively coupled to a data extraction device for retrieving a plurality of computer-executable files stored at discrete distributed locations associated with one or more users of the distributed secured network. The computer-controlled central blockchain server is communicatively coupled to a blockchain device to process blockchain tasks through blockchain-enabled and computer-controlled software and hardware tools. The computer-controlled central blockchain server is located at a location remote from the locations of the diagnostic devices and the diagnostician devices.

The invention relates to the field of machines and laser equipment, in particular to a laser cutting machine for the industries of automobile accessories, hardware tools, medical devices, instruments and meters, optical communication devices, gold and silver jewelries, craft gifts, packaging printing, mechanical equipment, and the like. The laser cutting machine comprises a machine tool body. The laser cutting machine is characterized in that the machine tool body is internally provided with a lifting mechanism; a working platform assembly is arranged above the lifting mechanism and comprises a working platform and a working platform needle plate arranged on the working platform; a plate clamping mechanism is arranged at the Y-axis direction side edge of the working platform; a plurality of plate universal translation supporting mechanisms parallel to the X-axis direction side edge of the working platform are arranged on the working platform needle plate; a cross beam is arranged above the X-axis direction side edge of the working platform; an air exhaust and dust removal mechanism is arranged below the cross beam; and the outer side of the working platform needle plate is enclosed by the air exhaust and dust removal mechanism.

The invention discloses a composite insulator. The composite insulator comprises a core rod, a sheath and a connecting piece, wherein the sheath is coated on the outer side of the core rod; the connecting piece is connected with the core rod and the sheath; the sheath is made of high-temperature vulcanized silicon rubber; the connecting piece comprises a body and a bump which is arranged by surrounding the outer wall of the body; the body comprises at least one wedged groove which is circularly arranged on the outer wall of the body; and the sheath is coated on the outer walls of the bump andthe wedged groove. In the composite insulator, room-temperature vulcanized silicon rubber is not used as a sealant, and the high-temperature vulcanized silicon rubber is adopted. Since the high-temperature vulcanized silicon rubber is aging-resistant, the sealing effect of the composite insulator is difficult to damage by erosion of an external environment when the composite insulator is exposed outdoors and even in certain severe environments. Meanwhile, the sheath cannot be stripped off from encapsulated rubber on a hardware tool and the core rod by an external force factor produced during transportation, mounting and maintenance by using the buckling effect of the bump and the wedged groove on the sheath, so that the sealing failure cannot be caused.

The invention provides a flame-retardant shrinkable anticorrosive packaging film which is composed of a two-layer or three-layer structure, wherein, the inner layer contains an anti-rusting agent with an anticorrosive protection function on metal; the middle layer and the outer layer contain flame retardants with a flame retardance function; and the layers contain plastic particles with heating contractibility. The packaging film is formed by mixing raw materials according to a certain type and proportion, heating and then performing coextrusion blow molding on double-layer or three-layer coextrusion film blowing equipment according to a certain temperature condition and at thickness ratio, and the obtained packaging film is a novel multifunctional metal anticorrosive protective packaging material. The flame-retardant shrinkable anticorrosive packaging film has the characteristics of heating contractibility, excellent anti-rust property, skin packaging, good tightness, good fastness, flame retardance, being convenient in automated operation, and being economical and practical; and the packaging film can be widely applied to anticorrosive protective package of products such as auto parts, mechanical equipment, hardware tools, metallurgic products, aerospace products, electronic equipment, weapon equipment and the like during the storage and transportation period, thus being a novel material applicable to the current metal protective packaging field.

The invention relates to drilling equipment, in particular to plate-shaped part drilling equipment for hardware tool machining. The plate-shaped part drilling equipment for hardware tool machining is simple in operation and capable of easily adjusting drilling positions. In order to achieve the technical purposes, the plate-shaped part drilling equipment for the hardware tool machining comprises a bottom plate, a left frame, a lifting device, a first mounting plate, a rotating device, a knife sleeve, a drill bit, a swinging device, a sprayer, a first mounting base, an air pump, a pipeline and the like; the left frame is welded to the left end of the top of the bottom plate, the lifting device is welded to the upper side of the right end of the left frame, and the first mounting plate is welded to the upper side of the right end of the lifting device. Hardware tools are fixed through a fixing device, the lifting device is controlled to work to drive the drill bit at the bottom of the rotating device to move to the drilling positions, and the drill bit works by controlling the rotating device.

The invention discloses a special steel for a hardware tool and a preparation method thereof. The steel comprises the following chemical components in percentage by weight: 0.50-0.60% of C, 0.17-0.37% of Si, 0.20-0.50% of Mn, 0.008-0.020% of P, 0.001-0.005% of S, 0.25-0.60% of Cr, 0.20-0.35% of Ni, 0.07-0.25% of Cu, 0.010-0.030% of Ti, and the rest amount of iron and inevitable impurities. The preparation method is performed by a general clean steel process, and comprises the steps of steel smelting, LF furnace refining, continuous casting, casting blank heating, rolling, cooling and reeling. All alloy element components in the steel are designed to properly increase the carbon content and decrease the content of such noble metals as Ni and Cr; the process of smelting and rolling is controlled to obtain the special steel for the hardware tool with high-hardness surface and low-hardness-toughness heart material matrix; and the steel can satisfy the performance needed by the hardware tool and the target of optical economic benefit.

The invention belongs to the field of steel and iron material manufacturing and particularly relates to a steel wire rod for a hardware tool and a production method thereof. The steel wire rod comprises the chemical components, by weight, of 0.66%-0.72% of C, 0.85%-1.10% of Si, 0.40%-0.55% of Mn, 0.15%-0.30% of Cr, 0.10%-0.20% of Ni, 0.38%-0.45% of Mo, 0.15%-0.25% of V, 0.020-0.050% of Nb, 0.020% of P or the less, 0.015% of S or the less and the balance Al, Fe and inevitable impurities. The production method comprises the working procedures of converter smelting, LF refining, RH vacuum degassing, square billet continuous casting, rolling cogging, billet rolling scaling and plate stripe rolling.

The invention relates to a hardware tool moving device, in particular to a moving device for producing hardware tools, and aims to provide the moving device for producing the hardware tools which is convenient to move, easy to operate, high in safety and can fix wheels. In order to solve the technical problems, the invention provides the moving device for producing the hardware tools. The moving device comprises a connecting plate, wheels, a box body, a push rod, a cover, a second screw rod and the like, wherein the wheels are mounted on the left side and the right side of the bottom of the connecting plate; the box body is welded to the top of the connecting plate; the top of the box body adopts an opening type manner; the cover matched with the box body is arranged at the top of the box body; threaded holes are formed in the left side and the right side of the cover; and the second screw rod is arranged in the threaded holes through threads. According to the moving device disclosed by the invention, the moving device is moved to a specified position, the wheels are fixed through a first fixing device, and dust removing is performed on the hardware tool through a dust removing device.

The invention discloses a ratchet wheel screw driver acting bidirectionally, and relates to the technical field of hardware tools, for solving the technical problems of improving the working efficiency and lowering the cost. The screw driver comprises a driver rod, a handle as well as a bidirectional transmission device and a reversing device, wherein the bidirectional transmission device comprises a middle shaft as well as two ratchet wheels and two driving gears arranged on the middle shaft; one of the two ratchet wheels and one of the two driving gears rotate synchronously with the middle shaft; the other ratchet wheel and the other driving gear can rotate relative to the middle shaft; the two driving gears are in transmission connection through a first-stage transmission gear; the reversing device comprises a sleeve type knob and a ratchet cage which is arranged inside an inner ring of the knob and is capable of rotating relative to the knob; the handle is fixedly connected with the ratchet cage; four ratchet racks are arranged inside the ratchet cage; two of the ratchet racks can be meshed and separated from one of ratchet gears under the control of the knob; the other two ratchet racks can be meshed and separated from the other ratchet gear under the control of the knob. The screw driver disclosed by the invention is long in service life.

The invention belongs to the field of drilling, and particularly relates to a drilling device capable of avoiding chip residue for hardware tools machining. Aiming at solving the problem that chips are left during drilling in the prior art, according the scheme, the drilling device comprises a box body and a drilling machine fixedly connected to the top of the box body, wherein an output end of the drilling machine is fixedly connected with a drilling tool bit, and mounting boxes are fixedly connected to the two sides of the inner wall of the box body; push rods are slidably connected into themounting boxes, and one sides of the push rods are fixedly connected with clamping plates; and a placing plate is fixedly connected to the inner wall of the box body, the placing plate is positionedright below the mounting boxes, and guide plates which are fixedly connected to the two sides of the inner wall of the box body are arranged right below the placing plate. The chips directly enters atwining pipe through the influence of the guiding of the guide plates and the twitching of an exhaust fan, then the chips are discharged into a collecting box through a discharging pipe for collection, and then the collecting box is taken out to pour the chips out, so that chips generated during drilling are treated in the first time.

The invention discloses a hardware tool machining clamp. The hardware tool machining clamp comprises a base. A controller is arranged on the outer surface of the base. A support is arranged at the top of the base. Connecting blocks are erected at the top of the inner surface of the support. A rotary shaft is arranged on the connecting blocks, and one end of the rotary shaft penetrates through the support and extends to the outer side of the support. A motor is arranged at the top of the base and located outside the support. A belt is arranged on an output shaft of the motor. The end, away from the motor, of the belt is rotatably connected with the rotary shaft. Two support plates are symmetrically arranged at the top of the base and located on the inner side of the support. A slide groove is formed in each support plate. A slide block is arranged in each slide groove. According to the hardware tool machining clamp, the interior of a clamp body is modified, vibration of a workpiece inside the clamp is greatly reduced, and the stability and safety during machining are greatly improved; and the clamp is more stable through reinforcing ribs arranged in a rigid layer, so that the machining speed of construction personnel is increased, and the working efficiency is improved.

The invention relates to a pole tower for a power transmission line of a power grid, comprising a main pole and at least one cross arm, wherein the cross arms are arranged on the main pole; the main pole is made of metal materials; each cross arm comprises a hollow insulating pole and a shed, wherein the shed is arranged at the outer side of the insulating pole and made of vulcanizing silicone rubber; one end of the hollow insulating pole is connected with the main pole, and the other end is connected with a suspended hardware tool; the suspended hardware tool extends along the axial direction of the cross arm and is used for arranging the power transmission line; and the hollow insulating pole is manufactured by soaking glass fiber yarns in resin materials. By using the cross arm made from composite materials as a supporting member of the power transmission line, the pole tower for the power transmission line of the power grid can directly suspend the power transmission line on the cross arm because an insulating umbrella body is arranged outside the cross arm so that the usage of an insulating substring is eliminated, thereby the total height of the pole tower is reduced and then the cost and the weight of the pole tower are decreased.

The invention relates to the technical field of power transformation material performance test equipment, and provides a power transformation material bending and fatigue testing machine. The power transformation material bending and fatigue testing machine comprises a base, a loading device and a torsion head. The machine is reasonable and compact in structure and convenient to use. Based on thecooperative usage of the loading device, a first screw-nut mechanism, a rotating disc, a first driving mechanism, a tension load sensor and a torque sensor, the rotating disc is rotated or the torsionhead is horizontally moved on the same testing machine. As a result, the testing machine can be used for carrying out conventional bending strength and torsion strength tests on transformer substation insulators and hardware tools with various sizes. The testing machine can also be used for carrying out the fatigue test and simulating the working states of the transformer substation insulators and the hardware tools. Therefore, the performances of the transformer substation insulators and the hardware tools can be evaluated. The testing machine is especially important for evaluating the performances of transformer substation materials.

The invention provides a linear interconnection method and device for an optical fiber composite power cable. The interconnection device comprises two strain preformed silk hardware tools (1) which are respectively arranged on two ends (to be interconnected) of the optical fiber composite power cable (5), a tensioning member (2) and an intermediate connection box (3), wherein two ends of the tensioning member (2) are respectively connected with the two strain preformed silk hardware tools (1) at the opposite sides, and the tensioning member (2) is used for tensioning and fixing the optical fiber composite power cable (5); and the intermediate connection box (3) is provided with two cable inlets (35) which are used for respectively introducing optical fiber wires (to be interconnected) of the optical fiber composite power cable (5). The interconnection device can realize the interconnection of an optical fiber composition phase conductor (OPPC) or an optical fiber composite overhead ground wire (OPGW) at a linear gear and has performances of tension interconnection, communication optical fiber interconnection and electric power wire interconnection; and in addition, all the performances of the interconnection device can meet requirements of a normally high-voltage power transmission line operation standard. The linear interconnection method for the optical fiber composite power cable is applied to the interconnection device.

This invention relates to a hardware tool for interacting with an “intelligent device” such as a “smart phone,” e.g., Apple Corporation's “iPhone”, or other devices with certain comparable capabilities, such as the Apple “iPad” tablet computer, and to a method for authorizing transactions based on successful interaction. More specifically, the invention relates to employment of a hardware tool having contact members for contacting the touch-sensitive screens of such devices at plural locations in specific spatial relation to one another. The device, running an application program or “app”, then detects the locations at which the screen has been thus contacted, and compares those locations to stored locations specific to a particular type of transaction, and, if the detected locations match a set of stored locations, authorizes the transaction to proceed.

The invention relates to polishing equipment, in particular to part polishing equipment for hardware tool machining. The part polishing equipment for hardware tool machining aims at achieving the technical effects that operation is convenient, the polishing efficiency is high, and polishing is smooth. In order to achieve the technical effects, the part polishing equipment for hardware tool machining is provided and comprises a left frame, a bottom plate, a first fixing sleeve, a fixing plate, a lifting device, a first rotating device, an air spraying device, a second rotating device, a polishing wheel, a first guide column and the like. The left frame is welded to the left side of the top of the bottom plate. The lifting device is arranged on the right side of the left frame. The fixing plate is welded to the right side of the lifting device. The first guide column is welded to the right side of the top of the bottom plate. A rocking handle is rotated to drive a third rotating shaft to rotate, the third rotating shaft drives a second bevel gear to rotate, the second bevel gear drives a lead screw to rotate through a first bevel gear, and the lead screw and a nut are mutually matched.

The invention relates to a novel flexible polishing grinding head, belonging to the technical field of hardware tool; the invention aims at providing a grinding head which can be used for grinding and polishing on a plane with obvious convex-concave fluctuation; the adopted technical proposal is that: the rubber with proper hardness is manufactured into an inflatable cylinder, one long shaft penetrates through the cylinder, a ring-shaped sand cloth is sheathed at the outer side of the inflatable cylinder, when in use, a certain pressure air is filled in the cylinder, the sand cloth is tightened, a section of a protruded shaft is clamped on a hand-held electric power tool, so as to polish and grind the workpiece; the novel flexible polishing grinding head has the beneficial effects that: the inflatable grinding head can be changed correspondingly along with the convex and concave planes, therefore, the novel flexible polishing grinding head is suitable for polishing and grinding the plane with obvious convex-concave fluctuation, so as to achieve good polishing and grinding effect.

The invention relates to a tool car which is used for collecting various standby hardware tools, such as a hammer, a plier, a spanner, an electric tool and so on. The tool car comprises a bodywork consisting of a panel, a soleplate, a left lateral plate, a right lateral plate and a rear plate of a worktable, at least one drawer and a drawer locking mechanism for locking the drawer and the bodywork together. The tool car is characterized in that the left lateral plate and the rear plate as well as the right lateral plate and the rear plate are connected with the inner sides of the bodywork respectively through hinges; the bottoms of the left lateral plate, the right lateral plate and the rear plate are connected with the soleplate; and the panel of the worktable is embedded and fixed with the top parts of the left lateral plate, the right lateral plate and the rear plate. The tool car has the advantages that the tool car can reduce the volume in the storing and transporting process, lower storing and transporting cost, and save packaging material; the panel of the worktable is durable, is uneasy to cause deformation or potholes, and is convenient and rapid to open and lock; the arrangement of an roller wheel and a handle is favorable for moving; and an angle protection mechanism can effectively protect each edge part of the bodywork.

The invention discloses a diamond grinding wheel and a preparation method thereof, and belongs to the field of hardware tools. The diamond grinding wheel comprises a diamond base material, a resin adhesive, a ceramic adhesive, carbon black, a toughening agent and anhydrous ethanol. The preparation method of the diamond grinding wheel comprises the following steps that firstly, a mixed adhesive is obtained by mixing the resin adhesive and the ceramic adhesive; after the diamond base material is added and stirred, then the carbon black, the toughening agent and the anhydrous ethanol are added, stirred and mixed, and a grinding wheel material is obtained; a grinding wheel green body is obtained through compression molding in a grinding wheel mold; and after sinter molding in a sintering furnace and natural cooling, the diamond grinding wheel is obtained. The diamond grinding wheel and the preparation method thereof have the beneficial effects that the diamond grinding wheel has good grinding effect, high strength, and better impact resistance at the same time.

The invention provides a system and a method for collaborative power management of an FPGA (field programmable gata array) chip and a BMC (baseboard management controller) chip used on an ATCA (advanced telecom computing architecture) blade. The system comprises the FPGA chip, the BMC chip, N power modules and a cabinet manager. Enable pins and Power Good pins of the N power modules are respectively connected with IO (in-out)pins of the FPGA chip, output ends of the N power modules are all connected on an AD (analog-digital) sampling interface of the BMC chip, and the FPGA chip and the BMC chip are communicated through a I2C (inter-integrated circuit) bus. The cabinet manager and the BMC chip are connected bidirectionally. By the aid of the system and the method, whether or not power-on of the FPGA chip is normal is indicated according to state of an LED (light-emitting diode) indicator light, searching power failure by using hardware tools can be further avoided as far as possible, so that troubleshooting becomes simple and high-efficient.

The invention relates to the technical field of hardware, and discloses part polishing and paint spraying equipment for hardware tool machining. The part polishing and paint spraying equipment comprises an equipment shell. A partition plate is fixedly mounted on the inner top wall of the equipment shell. Evenly-distributed bristles are fixedly mounted at the bottom of the partition plate. A hollowair inflating pipe is fixedly mounted at the position, located on the left side of the partition plate, in the equipment shell. According to the part polishing and paint spraying equipment for hardware tool machining, hardware parts are manually placed between T-shaped pushing rods and strip-shaped blocks, and the T-shaped pushing rods are pushed to clamp the hardware parts; when the hardware parts are clamped, T-shaped clamp rods are clamped in corresponding clamp grooves through spring thrust; and through the manner, the hardware parts are effectively stabilized, the situation that the hardware parts fall off due to vibration during grinding is effectively avoided, damage to the equipment is effectively reduced, and the service life of the equipment is effectively prolonged.

The embodiment of the invention provides a connecting system comprising an ultra-high voltage main device and a tubular aluminum conductor, which also comprises a flexible connecting hardware tool; the flexible connecting hardware tool comprises a tubular bus T-shaped wire clamp connected with the tubular aluminum conductor, and at least one expansion joint part connected with the ultra-high voltage main device; the expansion joint part comprises a telescopic conductor and two conductive plates which are not telescopic; the telescopic conductor is positioned between the two conductive plates which are not telescopic; and the tubular bus T-shaped wire clamp is in threaded connection with the expansion joint part. The connecting system comprising the ultra-high voltage main device and the tubular aluminum conductor is shock proof and has beautiful construction process.

The invention discloses an insulator grading-ring allocation structure for same-tower double-circuit compact-type transmission lines. The allocation structure comprises insulator strings symmetrically arranged on two sides of a T-shaped tower. The insulator strings are connected into three V-shaped structures through a plurality of bundle conductor hardware tools, and the three V-shaped structures are divided into an upper phase and a lower phase which are hung in a T-shaped tower window, wherein the upper phase is a W-shaped structure formed by two V-shaped dually-connected strings and is hung on a tower crossarm; the lower phase is a V-shaped dually-connected string of which one side is hung on a tower body, and the other side is hung on the tower crossarm and is connected into a structure with a shape of a down arrow through an intermediate insulator string hung on the middle part of the tower crossarm; and one side of the insulator string in the V-shaped structure and one side of the intermediate insulator string, which are close to a power transmission conductor, are both provided with annular grading rings, are connected to the bundle conductor hardware tools by use of a bracket, and are equipotential with the power transmission conductor. The grading-ring allocation can realize the homogenization of voltage distribution and electric field distribution of the insulator strings, prevents the corona discharge and electrical erosion loss on the high-voltage sides of the insulator strings, and improves the operation reliability of same-tower double-circuit compact-type lines.

The invention provides a damping handle, belonging to hardware tool. The prior art has the defects that: when in use, the handle is impacted, is easy to disengage hands and is hard to bear large impact, thus having bad damping effect. The damping handle is characterized in that the handle is wrapped by an internal damping layer and an external damping layer which are softer than the handle and form the damping handle; when in use, the external damping layer is held by a hand; the internal damping layer contacts the handle and firstly damps and absorbs the vibration and impact which are transmitted from the handle; the external damping layer damps and absorbs the vibration and impact which are transmitted from the internal damping layer; by twice damping and absorption, the vibration feeling and impact of the user are greatly reduced; meanwhile, the internal damping layer supports the external damping layer, thus ensuring that the external damping layer generates no large deformation during the vibration and impact process and being beneficial for reliable holding by hands.

The invention relates to polishing equipment, in particular to gasket polishing equipment for hardware tool machining. The technical aim to be achieved by the invention is how to design the gasket polishing equipment for hardware tool machining, wherein the equipment is simple to operate, can improve the working efficiency and saves manpower. In order to achieve the technical purpose, the gasket polishing equipment for hardware tool machining comprises a base, a first fixing frame, a transposition assembly and a rotating assembly. Mounting frames are connected to the two sides of the top of the base, and sliding plates are connected to the mounting frames in a sliding mode; the first fixing frame is connected to the position, between the mounting frames on the two sides, of the top of thebase; the transposition assembly is arranged among the mounting frames, the base and the sliding plates; and the rotating assembly is arranged among the first fixing frame, the base and the sliding plates. According to the gasket polishing equipment, the transposition assembly, the rotating assembly and the polishing assembly are matched to polish gaskets, and therefore the effect of polishing thegaskets is achieved.

The invention relates to a screwdriver capable of clamping screws. The screwdriver comprises a handle, a rotating rod and a cutter bit, wherein rivets are used for fixing a clamping piece I and a clamping piece II at the middle part of the rotating rod; the front ends of the clamping piece I and the clamping piece II are in the shape of bends, and a circular arc notch is formed in each bend; sliding rings sleeved at the rear ends of the clamping piece I and the clamping piece II are fixed at the middle part of the rotating rod. The screwdriver capable of clamping the screws disclosed by the invention solves the problems that the screws are unsafe to hold with hands when being screwed and the screws are unstable to adsorb with magnetism, so that a frequently-used hardware tool such as the screwdriver is more convenient, more stable and safer to operate.

The invention discloses a novel hardware tool kit. The novel hardware tool kit comprises a kit body and wheels, wherein the wheels are located below the kit body, the kit body is an aluminum alloy kit body, the kit body comprises an upper kit body, an inner tray, a lower kit body, a rotating shaft and folding supporting rods, a kit lock is arranged on the upper kit body, the inner tray is provided with a tool groove, the lower kit body is provided with an electric socket, a storage cabinet and an inner cavity, a power plug wire is arranged on the electric socket, and a handle is arranged on the storage cabinet. The hardware tool kit is simple in structure, easy to carry, convenient to move and use and easy to put away; the labor intensity of operating workers is reduced, space arrangement is reasonable, tools are contained separately and clearly, the utilization rate of an inner containing cavity is high, the defects that hardware tools are contained in a mixed mode in disorder and are difficult to look over and check, time is wasted, and efficiency is low are overcome, and the electric socket is further provided for energization of electrical appliances.