61results about How to "Play a role in self-protection" patented technology

The invention discloses a robot system based on intelligent sound localization and voice control, and a method. A robot body collects ambient voice information continuously, when a voice command occurs, sound localization is conducted, the robot body is controlled to move to the sound source position, the collected voice information is recognized, when effective sentences are recognized, a corresponding control command is sent to the robot body, and the robot body executes corresponding operation; and meanwhile, the effective sentences are converted into corresponding characters so that Chinese word segmentation can be carried out, an affective dictionary, a degree adverb dictionary, a negative word vocabulary and an associated word vocabulary are loaded, all affective characters in the sentences are identified, and a corresponding facial expression is displayed according to the identification result. Through the robot system based on intelligent sound localization and voice control, and the method, the interactive ability of a service robot with an accompanied person can be improved.

The invention relates to a lawn mower with a watering function. The structure of the lawn mower comprises a lawn mower body and a push handle. The push handle is connected to one side of the lawn mower body; the lawn mower body is divided into two layers, wherein an upper layer is a watering layer and a lower layer is a mowing layer; the mowing layer comprises a support, a motor and a mowing wheel; the bottoms of the front end and the rear end of the support are respectively provided with walking wheels; the mowing wheel is connected with the bottom of the support through the motor, and the height of the mowing wheel is lower than the height of the lower end of the support; and a torque protection device is arranged between the motor and the mowing wheel. The lawn mower provided by the invention can irrigate a lawn in the process of mowing, so the practical performance of the lawn mower is enhanced.

The invention discloses a self-arc-extinguishing anti-contamination anti-icing-flashover insulator. The insulator comprises an insulating body (3) and arc-extinguishing pipes (7), wherein one end of the insulating body (3) is fixedly installed on a cross arm (4), and the other end of the insulating body (3) is fixedly connected with an overhead conductor (1); a plurality of U-shaped or V-shaped arc-distinguishing pipelines (5) are arranged in the insulating body (3); the arc-extinguishing pipes (7) are fixedly installed in the arc-distinguishing pipelines (5), and the ends of the arc-extinguishing pipes (7) are sequentially connected in series; on the side close to the overhead conductor (1), the head end of the first arc-extinguishing pipe (7) in the insulating body (3) is connected with the overhead conductor (1) through a wire I (2); on the side close to the cross arm (4), the tail end of the last arc-extinguishing pipe (7) in the insulating body (3) is connected with the cross arm (4) through a wire II (6). The insulator is simple in structure, safe, reliable, low in maintenance cost and capable of not only performing arc extinguishing but also removing contamination and frost.

The invention relates to a lavender seed screening device, which structurally comprises a screening cabin and a material storage cabin, wherein the material storage cabin is connected below the screening cabin; the outer side of the screening cabin is provided with a baffle; a round groove is formed in a position, near the baffle, on the screening cabin; the bottom of the round groove is provided with through holes; the screening cabin is communicated with the material storage cabin by the through holes; the center of the screening cabin is also rotatably connected with a screening mechanism; the bottom of the material storage cabin is provided with filtering holes; a rotating mechanism is connected below the material storage cabin. According to the lavender seed screening device, bigger or smaller seeds can be automatically removed by the screening mechanism so that seeds of which the shells have a proper size are selected to improve lavender plantation efficiency. In addition, the lavender seed screening device is also provided with a torsion limiter which can perform a self protection function to a motor. The lavender seed screening device also has the advantages of simple structure, easiness in manufacture, practicality and efficiency.

The invention discloses a self-protection type flux-cored wire for welding of G520 stainless steel and 25Cr2Ni4MoV alloy steel. The self-protection type flux-cored wire comprises a flux core and a welding scale. The flux core comprises the following components of, by mass, 1%-4% of ferrosilicon powder, 3%-5% of manganese powder, 15%-20% of chromium powder, 12%-16% of nickel powder, 7%-9% of copperpowder, 2%-5% of ferrocolumbium powder, 8%-13% of rutile powder, 13%-15% of fluorite powder, 6%-10% of zircon sand powder, 4%-8% of lithium carbonate powder, 3%-5% of ferric oxide powder, 3%-5% of alumina powder, 4%-5% of magnesium oxide powder, and the balance iron powder, and the sum of the mass percentages of all the above components is 100%. Compared with a stainless steel welding rod and a solid welding wire, the prepared flux-cored wire flux-cored wire has the advantages of little welding spattering, attractive weld joint forming and good welding process performance and can be used fora continuous wire feeding automatic welder, a preparation method is simple, operation is convenient, and the preparation method can be used for mass production.

The invention relates to a soil restoration device with a smashing function. The soil restoration device comprises a feeding smashing system, a rotary heating system, a solid-gas separation system, a soil discharging system and a gas discharging system, wherein the feeding smashing system is connected with the rotary heating system; the rotary heating system is separately connected with the soil discharging system and the gas discharging system through the solid-gas separation system; a condenser is arranged between the soil discharging system and the solid-gas separation system; a preliminary dust collection system is arranged between the gas discharging system and the solid-gas separation system and is connected with the gas-discharging system through a condensing tower; a filter press is also connected at the bottom of the condensing tower; the rotary heating system is further separately connected with a pressurizing system and a gas pressure protection device; the gas pressure protection device is connected with the preliminary dust collection system. According to the soil restoration device, soil is heated through electromagnetic induction, the process that pollutants is changed to gas and the gas is separated from the soil is quickened and the soil restoration efficiency is improved.

The invention relates to a new energy car battery box. The new energy car battery box comprises a mounting bottom plate, a battery box body and a box cover, the battery box body is connected to the mounting bottom plate through a height adjusting mechanism, the box cover is detachably connected to the top of the battery box body, a supporting plate is further arranged in the battery box body, thesupporting plate is connected into the battery box body through a buffer spring, rubber pads are connected to the positions, at the periphery of the supporting plate, of the inner wall of the batterybox body in an embedded mode, a wiring through hole is formed in the box cover, a wiring terminal is connected into the upper end of the wiring through hole, and a through hole is also formed in the center of the wiring terminal. The new energy car battery box has the advantages of simple structure, easy manufacturing, practicality and high efficiency.

The invention relates to a pressurizing device of a single-crystal furnace.The pressurizing device comprises a pressurizing cylinder, a piston, an air filling pipe, an air discharge pipe and a pressure valve, wherein the pressurizing cylinder is a semi-sealed cylinder, the piston is movably connected into the pressurizing cylinder, the top of the piston is connected with the shaft extension end of an air cylinder, the air cylinder is mounted at the bottom of an upper support, the air filling pipe is connected to the bottom of the pressurizing cylinder, a one-way valve is arranged between the air filling pipe and the pressurizing cylinder, the air discharge pipe is connected to the bottom of the pressurizing cylinder, an electromagnetic valve is arranged between the air discharge pipe and the pressurizing cylinder, an overflow channel is arranged on the piston, the pressure valve is mounted in the overflow channel, and an air filter is mounted on the air filling pipe.The pressurizing device is simple in structure, easy to manufacture, practical and efficient.

The invention discloses a home service robot oriented combined positioning system and method. The system comprises a positioning node system and a robot system, the positioning node system node includes a tag node and a plurality of anchor nodes, the tag node is arranged on the robot body, and follows the robot body to move, the anchor nodes record TOA values from the anchor nodes to tag node, and transmit the data back to the tag node, and the robot system includes an upper processing system and a lower control system that are disposed on the robot body, the upper processing system comprises a processor configured for using Fang algorithm and Taylor series expansion method for combined positioning, determining the positions of the tag node and the anchor nodes to achieve robot positioning, and controlling corresponding movement of the robot body, thus realizing absolute positioning of the robot.

The invention provides a mechanical device for climbing a lamp post. The device mainly comprises stepping motors, a circuit board, rollers, rubber tracks, rubber wheels, a bracket, a spring rod and a touch switch, wherein the circuit board is arranged on the bracket; two stepping motors are arranged on two sides of the bracket respectively; each stepping motor is connected with a corresponding roller as a motion mechanism of the device; two rollers at the same side of the bracket are connected by the rubber track; the spring rod and the touch switch are arranged at the front and the back of the bracket, and serve as external sensors; two rubber wheels are arranged on the left and the right of the bracket; the joint of the rubber wheel axle and the bracket is provided with a movable hinge; and the circuit board controls elements by taking a singlechip as a core. The mechanical device is suitable for high-risk lamp post climbing operations in various environments.

The invention relates to an explosion-proof structure of a power battery. The explosion-proof structure comprises an explosion-proof valve and a cover plate, the cover plate is welded at the top portion of the battery housing, the cover plate is provided with a connection hole configured to install the explosion-proof valve, the explosion-proof valve is installed in the connection hole, the centerof the explosion-proof valve is provided with an exhaust vent, the exhaust vent is internally provided with a valve core, the valve core is in piston connection with the internal portion of the exhaust vent, the upper end of the explosion-proof valve is connected with an end cap, the valve core is connected with the end cap through a spring, the explosion-proof valve is internally provided with an exhaust channel, the two ends of the exhaust channel communicate with the exhaust vent, and the center of the end cap is provided with a through hole. The explosion-proof structure is simple in structure, easy to manufacture and efficient and practical.

The invention discloses a high-precision grinding machine coupled twin tensioning self-centering mechanism fixture and a grinding machine thereof. The high-precision grinding machine coupled twin tensioning self-centering mechanism fixture comprises a fixture body provided with a step hole, a first auxiliary wedge-caulking mechanism and a second auxiliary wedge-caulking mechanism are arranged in the step hole, the second auxiliary wedge-caulking mechanism is slidably arranged on the outer side of the first auxiliary wedge-caulking mechanism in a sleeving mode, and the second auxiliary wedge-caulking mechanism is slidably mounted in the step hole in a matched mode. A first wedge-shaped tensioning block set, a second wedge-shaped tensioning block set and a workpiece tensioning sleeve are arranged on the fixture body, the first wedge-shaped tensioning block set is in wedge fit with the first auxiliary wedge-caulking mechanism, the second wedge-shaped tensioning block set is in wedge fit with the second auxiliary wedge-caulking mechanism, and the peripheral surfaces of the first wedge-shaped tensioning block set and the second wedge-shaped tensioning block set are matched with the inner wall of the workpiece tensioning sleeve. The high-procession grinding machine coupled twin tensioning self-centering mechanism fixture effectively achieves high-precision positioning and high efficiency production of the grinding machine, the risks of damage to equipment and workpieces caused by traditional power off, gas off and hydraulic off are effectively controlled, and self protection effects on the workpieces and the equipment are achieved through a fixture gas inspection device.

The invention relates to a permanent magnet bearing, and belongs to the technical field of mechanical parts. The permanent magnet bearing is composed of a bearing inner ring (1), an inner ring permanent magnet body (2), a bearing ring (4), balls (5), a baffle ring (8), a bearing outer ring (3), an outer ring permanent magnet body (7), and an oval fillister head screw (6); the baffle ring and the bearing inner ring are mounted on a rotary shaft (9) firstly, and then the outer ring permanent magnet body and the bearing outer ring are connected through the oval fillister head screw, the balls are distributed in a vacancy between the outer ring permanent magnet body and the bearing outer ring through the bearing ring, a whole formed by the bearing outer ring, the outer ring permanent magnet body, the balls and the bearing ring is mounted in a bearing seat (10), the inner ring permanent magnet body is connected with the bearing inner ring through a spline, a bearing outer ring assembly is mounted in a bearing inner ring assembly, and axial positioning is completed through a gland (11). The permanent magnet bearing can effectively avoid damage of rotor impact and rotor axial movement to the permanent magnet bearing, and has the functions of axial automatic compensation and automatic protection for loss of excitation, and the reliability is improved.

The invention relates to an automatic screw feeder. The automatic screw feeder comprises a screw conveying device and a trough, wherein the trough consists of an upper part and a lower part, the upper layer is a hollow feeding bin, the lower layer is a storage bin, the hollow feeding bin and the storage bin are isolated through a rotating plate, the rotating plate is connected with a second motor through a second rotating shaft, the screw conveying device comprises a box body, a first motor, a first rotating shaft and a screw blade, the top and the bottom of the box body are respectively provided with a feeding inlet and a discharging outlet, the discharge outlet is connected with the storage bin through a flow guide pipe, the first rotating shaft is horizontally placed in the box body, the screw blade is installed on the first rotating shaft in a sheathing manner, and one end of the first rotating shaft penetrates through the box body and is connected with the first motor. The automatic screw feeder has the advantage that the feeding efficiency is improved by driving the rotating plate to turn over for 180 degrees through the motor to convey feed in the storage bin into the hollow feeding bin.

The invention discloses a gas shielding type flux-cored wire for 18Ni250 maraging stainless steel. The gas shielding type flux-cored wire comprises a flux core and weld fold, wherein the flux core is prepared from, by mass percentage, 12.0-14.0% of cobalt powder, 9.0-12.0% of nickel powder, 8.0-10.0% of molybdenum powder, 0.5-0.1% of electrolytic aluminum powder, 20.0-23.0% of rutile powder, 4.0-7.0% of titanium dioxide powder, 5-7% of dolomite powder, 3.0-5.0% of ilmenite powder, 9.0-11.0% of ferrotitanium powder, 9.0-11.0% of white mud powder, 5-7% of mica powder and the balance of iron powder, and the sum of mass percentage of the components is 100%. The invention discloses a preparation method of the gas shielding type flux-cored wire for the 18Ni250 maraging stainless steel. The flux-cored wire has beautiful weld formation and can obtain the microstructure of weld of martensitic stainless steel, and a welded joint has good mechanical properties and corrosion resistance.

The invention relates to a novel cleaning device for a cover plate of a spinning carding machine. The cleaning device comprises a Z-shaped cleaning support, cleaning sleeves, a first motor and a rotation shaft, wherein the first motor is fixedly connected to one side of a translation support; the first motor is horizontally connected with one end of the rotation shaft; the other end of the rotation shaft is actively connected to the other side of the translation support; the Z-shaped cleaning support sleeves the rotation shaft; the cleaning sleeves respectively sleeve the front end and the rear end of the Z-shaped cleaning support; the outer sides of the cleaning sleeves are respectively wrapped with elastic card clothing; the translation support is connected with the translation mechanism through a connection block; the translation mechanism is also connected with a lifting mechanism. As the cover plate of the spinning carding machine is cleaned by using the elastic card clothing instead of a metal saw blade, the novel cleaning device plays a role in scratching the cover plate; moreover, the cover plate can be cleaned more thoroughly and more completely by using the elastic card clothing to clean.

The invention discloses a self-protection flux-cored wire for 25Cr2Ni4MoV. The self-protection flux-cored wire comprises a flux core and a welding skin. The flux core comprises, by mass, 12%-15% of chromium powder, 20%-24% of nickel powder, 3%-6% of molybdenum powder, 2%-4% of vanadium powder, 2%-4% of copper powder, 25%-30% of barium fluoride, 5%-8% of marble, 4%-8% of aluminum-magnesium alloy, 8%-12% of rutile and 6%-10% of quartz sand. The sum of the mass percentages of the above components is 100%. The preparation method comprises the following steps of adding raw material components intoa U-shaped groove, rolling and closing, drawing and straightening, forming a disc into a disc, and sealing and packaging. The flux-cored wire is beautiful in appearance of welding seams, and the welding joints have excellent mechanical properties. The invention discloses a preparation method. The preparation method is simple, convenient to operate and capable of being used for mass production.

The invention discloses over-temperature fuse protection technology for a power battery high in current passing ability. A cover plate electrode of battery cells is connected with a current collection plate through a low-resistance low-melting-point metal block; when temperature of a certain battery cell exceeds own protection temperature, the low-resistance low-melting-point metal block connected with the battery cell is fused to disconnect current between the current collection plate and the battery cell to prevent thermal runaway. The low-resistance low-melting-point metal block is added between the cover plate electrode of a battery module and the current collection plate, so that the low-resistance low-melting-point metal block connected with the current collection plate is automatically fused and plays a role in protecting the battery to avoid electrothermal runaway during module short-out, cell short-out, overcharging and overloading.

The invention provides a water tank liner, a water tank and a water heater. According to the water tank liner of the present invention, it comprises: an inner tank body; a partition arranged inside the inner tank body, and divides the inner chamber of the inner tank body into an accommodation chamber and a buffer chamber, and the partition board has the function of moving or deforming under pressure to A first position for increasing the volume of the accommodating cavity, and a second position for restoring when the pressure is released. The present invention divides the inner cavity of the inner tank body into an accommodation chamber and a buffer chamber by setting a partition inside the inner tank body. When the temperature of the water rises and the pressure of the storage chamber increases, the partition moves or deforms toward the buffer chamber, thereby increasing the volume of the storage chamber, which plays a role of self-protection of the inner tank, and is not easy to burst. When the water temperature decreases, the internal pressure of the accommodating cavity decreases, and the position of the partition recovers.

The invention relates to a lithium battery module connection structure having a self-protection function and a connection method of the lithium battery module connection structure. The lithium battery module connection structure comprises a plurality of battery modules, wherein the plurality of battery modules are connected in series by conductive structures, each conductive structure comprises a first conductive copper bar and a second conductive copper bar, one end of the first conductive copper bar is connected with one end of the second conductive copper bar by a fusible metal block, and the other ends of the first conductive copper bar and the second conductive copper bar are respectively connected with conductive blocks on adjacent battery modules. By the fusible metal with relatively low melting point, the fusible metal and the two copper bars are connected in series by means of physical characteristics and then are used for connecting the battery modules in series to achieve a current diversion effect, the fusible metal can be rapidly fused under a high-temperature uncontrollable risk environment, connection among the modules is broken to achieve the self-protection effect, and the problem of high-temperature out-of-control during over-charge, misuse and cycle usage process of various lithium ion battery modules such as a ternary material and a lithium iron phosphate material in the market is solved.

The invention relates to a novel cleaning device for a cover plate of a spinning carding machine. The cleaning device comprises a Z-shaped cleaning support, cleaning sleeves, a first motor and a rotation shaft, wherein the first motor is fixedly connected to one side of a translation support; the first motor is horizontally connected with one end of the rotation shaft; the other end of the rotation shaft is actively connected to the other side of the translation support; the Z-shaped cleaning support sleeves the rotation shaft; the cleaning sleeves respectively sleeve the front end and the rear end of the Z-shaped cleaning support; the outer sides of the cleaning sleeves are respectively wrapped with elastic card clothing; the translation support is connected with the translation mechanism through a connection block; the translation mechanism is also connected with a lifting mechanism. As the cover plate of the spinning carding machine is cleaned by using the elastic card clothing instead of a metal saw blade, the novel cleaning device plays a role in scratching the cover plate; moreover, the cover plate can be cleaned more thoroughly and more completely by using the elastic card clothing to clean.

The invention discloses a self-protection flux-cored wire for welding of 1Cr12NiW1MoV stainless steel and G520 stainless steel. The self-protection flux-cored wire comprises a wire core and a cover, wherein the wire core comprises the following components in percentage by mass: 4-6% of quartz, 26-34% of chromium powder, 2-4% of manganese powder, 3-6% of ferroniobium powder, 15-23% of barium fluoride powder, 12-16% of rutile powder, 2-6% of lithium carbonate powder, 5-9% of iron oxide powder, 4-6% of aluminum oxide powder, 4-6% of magnesium oxide, and the balance of iron powder; and the mass percentage sum of all the components is 100%. Compared with a stainless steel welding rod and a solid welding wire, the flux-cored wire has the advantages of few welding spatters, beautiful welding linemolding and excellent welding process performances, can be used for a continuous wire feeding automatic welding machine, achieves higher production efficiency, and saves shielded gas; and meanwhile,a preparation method of the flux-cored wire is simple, convenient to operate and suitable for batch production.

The invention relates to a driving mechanism for a mechanical arm. The driving mechanism for the mechanical arm comprises an upper arm body, an upper support, a connection rod, a supporting base and a cutting nozzle joint. The upper support is connected to the upper arm body through an angle adjusting mechanism and provided with a through groove. The upper end of the connection rod penetrates the through groove and is connected with a position adjusting mechanism which is installed above the upper support in a connection manner. The supporting base is connected with the lower end of the connection rod. The cutting nozzle joint is connected to the supporting base through a clamping mechanism. The position, opposite to the cutting nozzle joint, on the supporting base is provided with a through hole. The driving mechanism for the mechanism arm has the beneficial effects of being simple in structure, easy to manufacture, practical and efficient.

The invention relates to a new energy vehicle battery box end cap which comprises an end cap body mounted at the top of a battery box shell. A positioning mechanism is arranged between the lower end of the end cap body and the upper end of the battery box shell, limiting seats are arranged on the inner walls of two sides of the upper end of the battery box shell, two mounting plates are arranged at the bottom of the end cap body, an electric cylinder is connected on each mounting plate and connected with a limiting plate, each limiting plate extends to space below the corresponding limiting seat under action of the corresponding electric cylinder, a wiring hole is formed in the top of the end cap body, and the upper end of the wiring hole is connected with a wiring column. The new energy vehicle battery box has the advantages of being simple in structure, easy to manufacture, practical and efficient.

The invention relates to a protective type water pump support for water supply and drainage equipment. Through the protective type water pump support, the problem that an existing water pump support cannot achieve an efficient protection effect can be solved. The protective type water pump support comprises a support body. The support body comprises an upper plate and a lower plate. A water pump is arranged on the upper plate. Support assemblies are arranged between the upper plate and the lower plate. Support rods are inserted in the upper ends of support barrels and are connected with support springs in a wound mode. The two ends of the support springs are fixedly connected to the side walls of the support rods and outer cavity top plates of the support barrels correspondingly. The support barrels are connected to the upper end face of the lower plate. The protective type water pump support for the water supply and drainage equipment is provided with a combined structure of the upper plate, the lower plate and the support assemblies, thus during working, a shock absorption effect can be achieved through the support springs in the multiple sets of support assemblies, the upper plate and the lower plate can be in a noncontact state all the time due to the characteristics existing in the support springs, and in this way, the support springs can achieve supporting and shock absorption effects whether the water pump works or not.

The invention relates to a new energy automobile battery outer shell. The outer shell comprises a shell body; the shell body is composed of an upper frame body and a base which are connected up and down; a first connecting seat is arranged on the two sides of the lower end of the upper frame body; a second connecting seat is arranged on the two sides of the upper end of the base; the first connecting seat is connected with the second connecting seat through a first threaded assembly; a positioning mechanism is arranged between the lower end of the upper frame body and the upper end of the base; a supporting plate is further arranged in the base; the supporting plate is connected into the base through a buffering spring; and rubber pads are embedded into the inner walls of the bases on theperiphery of the supporting plate. The design has the advantages of being simple in structure, easy to manufacture, practical and efficient.

The invention discloses a gas protective type flux-cored wire for 51 CrV4 spring steel. The gas protective type flux-cored wire comprises flux core and welding scale, wherein the flux core comprises the following components in percentage by mass: 7%-12% of manganese powder, 6%-10% of chromium powder, 2%-5% of vanadium powder, 1%-2% of ganister sand, 27%-32% of rutile, 9%-12% of zircon sand, 13%-16% of fluorite, 7%-10% of quartz sand, 7%-10% of feldspar, and 4%-6% of mica powder; and the sum of the mass percentage of the components is 100%. A mineral slag system is utilized to generate slag, sothat the furnace hearth formed during welding is protected, and the self-protection function is realized; in addition, the gas protective type flux-cored wire has the advantages that welding spatteris less, the weld forming is regular and artistic and the welding processing property is excellent, is can be used for an automatic continuous wire feeding welding machine and has higher production efficiency. The preparation method of the gas protective type flux-cored wire is simple, convenient to operate, high in applicability and used for mass production.

The invention relates to an automatic screw feeder. The automatic screw feeder comprises a screw conveying device and a trough, wherein the trough consists of an upper part and a lower part, the upper layer is a hollow feeding bin, the lower layer is a storage bin, the hollow feeding bin and the storage bin are isolated through a rotating plate, the rotating plate is connected with a second motor through a second rotating shaft, the screw conveying device comprises a box body, a first motor, a first rotating shaft and a screw blade, the top and the bottom of the box body are respectively provided with a feeding inlet and a discharging outlet, the discharge outlet is connected with the storage bin through a flow guide pipe, the first rotating shaft is horizontally placed in the box body, the screw blade is installed on the first rotating shaft in a sheathing manner, and one end of the first rotating shaft penetrates through the box body and is connected with the first motor. The automatic screw feeder has the advantage that the feeding efficiency is improved by driving the rotating plate to turn over for 180 degrees through the motor to convey feed in the storage bin into the hollow feeding bin.

The invention provides a self-protection test probe with a protection function and a manufacturing method thereof. In the test probe, a clamping cap is fixed at the front end of a probe barrel, an endcap, the probe barrel, a probe head and a clamping head are coordinated to form a test probe body in turn, and a probe of a telescopic test probe is circular with a diameter of 0.3-0.6 mm; a test line penetrates through the end cap, the front end is arranged in the probe barrel, the telescopic test probe penetrates through the clamping head and probe head, the probe extends out the clamping head,the end is set in the barrel barrel, the test line is communicated with the telescopic test probe, the communicated part is fixed in the clamping cap, and the clamping cap, the probe head and the clamping head are used for protecting the telescopic test probe; according to the method, a line input end of the test line is communicated with the telescopic test probe, the end cap of an automatic pencil is slotted, the end cap and the probe barrel of the automatic pencil penetrate through the test line, by expanding a slot on the clamping cap of the automatic pencil, the communicated part of thetest line of the telescopic test probe and a test instrument can be fixed, and finally, the test probe can be assembled.