33results about How to "Increase the intensity of the attack" patented technology

A washer with internal circulated spray adds a spraying device on inner dully tube top of existing washer. The spraying device consists of water injection tube with its one end being connected to circulation tube and another end being water inlet of water cavity, position for forming waterfall as its space height being samaller then that of water cavity and its horizontal width being greater than that of water cavity as well as spacing baffle set at opposite side of water outlet on position for forming waterfall.

The invention discloses an outer barrel cover with sprinkling function and a washing machine which uses the outer barrel cover; the washing machine comprises a washing inner barrel which can contain laundry, and a washing outer barrel which contains the washing inner barrel and washing water; the bottom of the washing outer barrel is provided with a driving device and a water drainage device; the output end of the water drainage device is provided with a circulating tube; the circulating tube reaches the outer flow input port of a sprinkler of the outer battery cover along the outer barrel wall; the sprinkler is arranged on the side of the outer barrel cover, comprises an inclined water filling port and a waterfall forming position communicated with the water filling port; the circulating tube is connected with the water filling port. The sprinkler has simple structure and lower cost; the sprinkling effect is not restricted by water level and the rotating speed of the washing inner barrel; in addition, the circulation of the laundry and rich foam lead the high-concentration laundry to be fully mixed with the clothes, which further helps to wash the clothes.

The invention provides a biomass straw smashing and forming all-in-one machine, and relates to a straw smashing and forming device. The biomass straw smashing and forming all-in-one machine solves the problems that in an existing straw forming fuel production process, the straw smashing procedure and the compressing and compacting forming procedure are independently completed through a smashing device and a squeezing forming device respectively, the power consumption is high, the logistics cost is high, and the working cycle is long. The vertical smashing device and the squeezing forming device are arranged on a walking plate in parallel from front to back, walking wheels are arranged below the walking plate, a blade is arranged at the bottom of a feed port of the vertical smashing device, a main shaft of the smashing machine is sleeved with a sleeve, hammer carrier plates are arranged on the sleeve from top to bottom, a hammer set is arranged between every two adjacent hammer carrier plates in an annular mode, hammers of each hammer set are evenly arranged in the vertical direction, each hammer is of a multi-tooth-edge rectangular structure, an air blower is arranged at the bottom of a machine shell and communicate with a material storage hopper, and the material storage hopper is communicated with an inlet of the squeezing forming device through an air duct. The biomass straw smashing and forming all-in-one machine is used for smashing and forming biomass straw.

The invention provides a pulsed jet fire-fighting lance, which comprises a connecting piece, a rectifying device, a conical nozzle and a pulse nozzle hermetically and fixedly connected and communicated with one another in sequence, wherein the inlet of the rectifying device is hermetically and fixedly connected with the connecting piece; and other parts are in threaded connection and communication with one another through a sealing pipe. In the invention, the inlet end of the lance is provided with the rectifying device, so that the turbulence of jet is reduced, and the range is increased by 10-25 percent compared with the conventional lance; a continuous fluid flowing through an oscillation cavity is transformed into pulsed jet by using the special structure of the oscillation cavity without other additional auxiliary equipment; and the amplitude of outflow pressure is increased by 15-30 percent, so that the hitting dynamics and fire-fighting effect of the lance are enhanced under the condition of the same water flow, energy consumption is saved, and the performance of the fire-fighting lance is improved effectively. The pulsed jet fire-fighting lance can be widely applied to fire-fighting and cleaning systems of a fire-fighting system.

The invention discloses an impact hammer for a hydraulic drilling rig. The impact hammer comprises a limiting group, a valve element, a front substrate, a back substrate, a piston, a front buffer and a back buffer, wherein the limiting group is arranged on the front substrate; the valve element is arranged in the limiting group in a sleeving manner; one end of the front substrate is arranged on a power head rotating substrate of the hydraulic drilling rig, and the other end of the front substrate is provided with the back substrate in a clamping manner; the piston is arranged in inner cavities of the front substrate and the back substrate; the front buffer is arranged on the front substrate; the back buffer is arranged on the back substrate; the valve element and the piston are provided with corresponding grooves to form corresponding stress areas. The impact hammer has the advantages of simple structure, high impact frequency, large impact power, wide adaptive surface, long service life and the like and can be used on a hydraulic anchor drilling rig, while in rock-soil anchorage engineering, the drilling rig meets broken rock, sand and gravel most, and an impact rotary drilling method is one of the optimal choices.

The invention discloses an early warning system and an early warning method for arrest warrant fraud. The early warning method comprises the following steps: acquiring arrest warrant picture information on a fraud website; analyzing and processing the acquired arrest warrant picture information, thus obtaining data information of a victim; then issuing an early warning to the victim according to the data information of the victim, thus realizing the timely discovery of the data information of the victim and issuing an early warning prompt to the victim. According to the early warning system and the early warning method, disclosed by the invention, the source of the arrest warrant fraud can be traced, the effect of fighting against the arrest warrant fraud is increased, and safe fighting against an arrest warrant fraud behavior is finally realized.

The invention relates to a novel cylindrical-bin cleaning device. The novel cylindrical-bin cleaning device comprises a support frame (3), wherein the support frame (3) is connected with a cylindrical bin (1), the top cover of the cylindrical bin (1) is connected with a motor (4), the motor (4) is connected with a driving gear (6) through a speed reducer (5), the driving gear (6) is connected with a driving rod (7), the upper end of the driving rod (7) is connected with a winding disc (8), and the winding disc (8) is connected with a steel rope (2). The novel cylindrical-bin cleaning device is characterized in that the lower end of the steel rope (2) is extended to the bottom of the cylindrical bin (1) , the lower end of the steel rope (2) is fixed, and the steel rope (2) is connected with at least one striking block (10). The novel cylindrical-bin cleaning device has the advantages that original equipment is slightly modified, the assembly is easy, the operation is simple, congealed blocks in different locations of the cylindrical bin can be effectively cleaned, a large amount of labor productivity is saved, and no potential safety hazard is caused to operators.

The invention discloses an environment-friendly efficient sand making machine adopting centrifugal crushing and sand discharging. The environment-friendly efficient sand making machine adopting centrifugal crushing and sand discharging comprises a stone crushing and sand making main machine and a machine seat connected to the bottom of the stone crushing and sand making main machine. A crushing cavity is arranged in the stone crushing and sand making main machine. The upper end and the lower end of the stone crushing and sand making main machine are provided with a feed port and a discharge port which communicate with the crushing cavity. A crushing device used for crushing building stone is arranged in the crushing cavity and comprises a crushing rotor assembly and crushing wall plates, wherein the crushing rotor assembly is rotationally connected and installed on the front wall face and the back wall face of the crushing cavity, the crushing wall plates are installed on the left andright inner walls of the crushing cavity, and the horizontal interval between the outer wall of the crushing rotor assembly and the crushing wall plates forms a passage. A material receiving hopper used for containing and receiving sand is connected to the lower end of the discharge port in a sealed manner. The crushing rotor assembly rotates so as to form an airflow which starts from the inside of the crushing cavity, turns along the crushing rotor assembly, passes through the passage and then enters the material receiving hopper, the crushed sand finished products are rapidly discharged outof the crushing cavity, secondary impact on small sand particles meeting the particle size is reduced, and therefore the powder content is reduced.

The invention discloses a driving device, a transmission device and a power tool for linear motion. The driving device comprises a power source, an actuator and a transmission part driven by the powersource to reciprocate linearly, the transmission part comprises an input part, a support part and an output part, a first sliding groove is formed in one of the input part and the support part, a shaft hole is formed in the other one of the input part and the support part, a second sliding groove or a circular hole is formed in the position of the output part, a driving shaft driven by the powersource to reciprocate linearly is arranged in one of the first sliding groove and the shaft hole, a fixed support shaft is arranged in the other one of the first sliding groove and the shaft hole, a driven shaft connected with the actuator is arranged in the second sliding groove or the circular hole, and all shafts are parallel to each other. According to the scheme, when the power source drivesthe transmission part, the shafts can move in the first sliding groove, so that the rotation of the transmission part is not restricted, the second sliding groove always exerts downward pressure or upward lifting force on an output shaft, the impact on the actuator can be reduced, the vibration of the actuator is reduced, and the impact strength is increased.

The invention discloses a cavitation type ultrahigh pressure water hammer type water gun sprayer. Under the high pressure, a nozzle of the sprayer sprays out water hammer jet flow with cavitation proficiency. The sprayer comprises a sprayer cavity comprising an accordion cavity, a Helmholtz cavity and a conical nozzle outlet control section, wherein the accordion cavity and the Helmholtz cavity are axially through along the sprayer. A conical cavity transition section is formed between the accordion cavity and the Helmholtz cavity, high-speed fluid flows from the accordion cavity to a nozzle outlet to form water hammer flow with self-oscillation, and the water hammer flow produces vertex adhering wall effect at the nozzle outlet control section so that a cavitation phenomenon is induced at the nozzle outlet control section. The water jet flow sprayed out by the sprayer belongs to discontinuous cavitation water hammer flow, water attacking strength is in alternate tension with relaxation, alternating stress can be exerted on the surface of an attacked object, and the surface of the attacked object can be easily damaged or surrendered due to fatigue strength by means of the alternating stress and the cavitation effect. The cavitation type ultrahigh pressure water hammer type water gun sprayer is applied to occasions requiring rust removal, cleaning, scrabbing on the surface of concrete and the like.

The invention discloses a rotary 18-nozzle jet flow cross-shaped spray head. The rotary 18-nozzle jet flow cross-shaped spray head comprises water spraying rods, water spraying rod connectors, a water outlet connector, nuts, a cutter head, water spraying openings, a rotating shaft and a cross-shaped mounting frame. The angles of the water spraying rods and the cutter head with the water spraying portions on the outer sides of the water spraying rods are adjusted in the mode that the water spraying rod connectors of the water spraying rods are in threaded connection with the water outlet connector and the nuts are arranged on the outer sides of the water spraying rod connectors and the water outlet connector, so that the water spraying strike has a certain angle; and therefore, the opposite force can enable the water spraying rods and the cross-shaped mounting frame to synchronously rotate under the action of a stable mounting structure, and the striking speed of water spraying striking can be increased along with the increase of the angle of the cutter head to enable the cutter head to rotate for striking. After the angle of the cutter head is reduced, the striking force of the water spraying portions of the cutter head on a workpiece can be enhanced, and nozzles formed by the water spraying openings are used for carrying out rust removal and paint removal operation by striking; and high-pressure water is further pressurized through water sprayed by a high-pressure sealing first-stage wide-end-up water spraying opening, and the striking force of the high-pressure water is improved.

The invention discloses a pneumatic pile driver, and relates to the technical field of a pile driver. The pneumatic pile driver comprises a case, an impacting rod, a hammer body, a sleeve, a cylinder, a valve cabinet, a valve plate, a valve cover and a connecting sleeve, wherein the outer wall of the case is provided with a left support frame and a right support frame with handles, the connecting sleeve is arranged at the upper end in a casing of the case, the valve cabinet, the valve plate and the valve cover are arranged in the connecting sleeve from top to bottom, the upper end of the cylinder body is provided with external screw threads, the lower end of the connecting sleeve is provided with internal screw threads, the cylinder body is connected with the connecting sleeve through screw threads, the upper end surface of the cylinder body is in contact with the lower end surface of the valve cover, the valve cabinet, the valve cover and the cylinder body are in positioning connection through a second cylindrical pin, an air path hole of the valve cabinet, an air hole of the valve cover and a lower air inlet hole of the cylinder body are vertically penetrated, and are communicated with an inner cavity of the cylinder body through a communicating hole formed in the lower end of the cylinder body, the middle part of the cylinder body is provided with an exhaust hole not communicated with the lower air inlet hole, the exhaust hole is communicated with the inner cavity of the cylinder body, and compressed air enters the connecting sleeve via an air connecting pipe through an air path rotating switch arranged on the handles, and is communicated with the air paths of the cylinder body, the valve cabinet, the valve plate and the valve cover. The pneumatic pile driver has the advantages that the airflow is smooth, the driving force is strong, the driving speed is high, and the pile driving efficiency is high.

The invention relates to a deflection nozzle. The deflection nozzle comprises a nozzle shell and a spraying core. The spraying core is arranged in the nozzle shell. A flow channel is formed in the spraying core. The flow channel comprises a conical necking flow channel section, a corner flow channel section and a straight cylinder flow channel section, wherein the conical necking flow channel section, the corner flow channel section and the straight cylinder flow channel section are sequentially connected, and the small end of the conical necking flow channel section is connected with the corner flow channel section. The deflection nozzle is used for solving the technical problem that existing high-pressure water jet nozzles cannot crush concrete in a narrow space and cannot hit concrete behind steel bars.

The invention relates to a multi-functional drug detection vehicle which consists of 'a drug identification system', 'a non-injury detection system' and 'a physical-chemical detection system'. Data detected by each system are integrated by a computer database system which is arranged in the vehicle and takes charge of comprehensively detecting and discriminating the quality and the authenticity of the drug. The multi-functional drug detection vehicle is characterized by comprising a vehicle (1), a special cabinet (3) fixedly arranged on an automobile chassis (2), a near infrared analyzer (4) fixedly arranged on the counter surface of the special cabinet, a thin layer analyzer (5), a microscope (6), a portable computer (7), a wire reel (8), the posterior of which is fixedly provided with a220V external connecting cable, and the glass apparatus and relevant reagents for physical and chemical detection stored in the special cabinet.

The invention discloses a hole wall reinforcing structure of a large-diameter deep and long pile construction hole, and belongs to the technical field of building construction equipment. The structure comprises a rotating shaft and a drill bit, the drill bit is connected with the rotating shaft through a mounting frame, a plurality of hole wall reinforcing mechanisms are movably arranged on the mounting frame, and the hole wall reinforcing mechanisms can move in the radial direction of the drill bit. In the drilling process, all the hole wall reinforcing mechanisms can continuously hit and compact the hole walls under the centrifugal force and the collision effect; meanwhile, the hole wall reinforcing mechanism is in sliding connection with the mounting frame, so that the process of striking and tamping the hole wall by the hole wall reinforcing mechanism is more flexible and is basically not limited by conditions such as the shape of the hole wall.

The invention provides a beater device of a cotton cleaning machine, comprising a beater, a connecting part and a rotating part, the beater is a solid sphere, the surface of the beater is provided with several conical protrusions, the connecting part is a cylinder, one end of the connecting part is welded to the beater, connected The other end of the part is provided with a joint ball, and the rotating part is flexibly connected with the joint ball. A tooth-shaped protrusion engaged with the tooth-shaped protrusion is arranged in the hemispherical groove. The beater device of the cotton cleaning machine according to the present invention can effectively hit the cotton with shells, so that the cotton shells, seed scraps, sterile seeds, broken seeds, etc. are scattered under the strong blow of the beaters and loosen from the cotton pieces. Come, deal with the impurities in the cotton more cleanly.

The invention relates to a production process of a vehicle-mounted air opening clamp type perfume box, the production process comprises the following production steps that S1, a shell of the perfume box is molded into a first shell and a second shell through an injection molding machine, and the perfume box comprises a containing box for containing perfume; S2, the containing box is subjected to injection molding to be in the size matched with the size of the first shell and the size of the second shell; and S3, the formed container is fed into a bubble cap machine, the container advances on a conveying belt of the bubble cap machine, the bubble cap machine sequentially conducts dust removal, cleaning, disinfection and drying on the container in the advancing process of the container. A product produced through the production process is high in cleanliness, the process steps are simple, the production efficiency is high, the product is firstly subjected to dust removal and then cleaned, disinfection is conducted after cleaning, drying is conducted finally, time is short, the automation degree is high, the use is convenient, the qualification rate is high, and the cost is reduced.

The invention discloses a pneumatic pile driver and relates to the technical field of pile drivers. The invention includes a shell, an impact rod, a hammer body, a casing, a cylinder, a valve cabinet, a valve plate, a valve cover, and a coupling sleeve. The outer wall of the shell is equipped with a left bracket and a right bracket with a handle, and the coupling sleeve is placed on the The upper end of the shell shell, the valve plate and the valve cover of the valve cabinet are placed in the coupling sleeve from top to bottom. The upper end of the cylinder body is provided with external threads, and the lower end of the coupling sleeve is provided with internal threads. The upper end surface is in contact with the lower end surface of the valve cover, the valve cabinet, the valve cover and the cylinder body are positioned and connected by the second cylindrical pin, the air passage hole of the valve cabinet, the air hole of the valve cover and the lower air inlet hole of the cylinder body are vertically connected, and The communication hole at the lower end of the cylinder body communicates with the inner cavity of the cylinder body. The middle part of the cylinder body is provided with an exhaust hole that is not connected with the lower air intake hole. The exhaust hole communicates with the inner cavity of the cylinder body. The gas path rotary switch on the top enters the coupling sleeve and communicates with the gas path of the valve cabinet valve cover and the cylinder body. The invention has the advantages of unobstructed air flow, strong striking force, fast striking speed and high piling efficiency.

The invention discloses an exercise device for golf, comprising a struck body which is struck by a golf club, a hanging rod which is connected with the struck body and a bracket group which is connected with the hanging rod for hanging the struck body and used for the struck body to freely swing when the struck body is struck. The bracket group comprises a fixing device which is used for fixing the whole exercise device on the ground and a main support rod which is fixedly arranged above the fixing device; the hanging rod is movably connected with the main support rod via a fixing element; and an elastic reset component is further arranged between the upper end of the hanging rod and the main support rod. The device can be used in any space suitable for swing action and repeatedly used a plurality of times; when finishing striking, picking the ball is not needed, which realizes the same handfeel as striking real golf, and saves exercise time and expense; simultaneously, a sensor and a display device can be arranged so that exercise effect can be ensured; the swinging and striking power is increased under the function of the elastic reset component so that the exercisers efficiently exercise the muscles and can strike for a further distance while striking real golf.

The invention discloses an exercise device for golf, comprising a struck body which is struck by a golf club, a hanging rod which is connected with the struck body and a bracket group which is connected with the hanging rod for hanging the struck body and used for the struck body to freely swing when the struck body is struck. The bracket group comprises a fixing device which is used for fixing the whole exercise device on the ground and a main support rod which is fixedly arranged above the fixing device; the hanging rod is movably connected with the main support rod via a fixing element; and an elastic reset component is further arranged between the upper end of the hanging rod and the main support rod. The device can be used in any space suitable for swing action and repeatedly used a plurality of times; when finishing striking, picking the ball is not needed, which realizes the same handfeel as striking real golf, and saves exercise time and expense; simultaneously, a sensor and a display device can be arranged so that exercise effect can be ensured; the swinging and striking power is increased under the function of the elastic reset component so that the exercisers efficiently exercise the muscles and can strike for a further distance while striking real golf.

The invention relates to a special independently-targeted anti-aircraft-carrier missile vehicle for youth defence-related science and technology research. The special independently-targeted anti-aircraft-carrier missile vehicle for youth defence-related science and technology research comprises a base plate, a cockpit, a left front wheel, a left middle wheel, a left rear wheel, a right front wheel, a right middle wheel, a right rear wheel, a thruster, a posture-adjusting empennage, a rotary sleeve type hydraulic lifting system, a front wing, a main missile body, a launching controller, an independently-targeted nuclear warhead, a jettisonable shield and an automatic seeking guiding head. The missile vehicle can integrally store, transfer, reship and launch an independently-targeted anti-aircraft-carrier missile, a launch site has no need to be prepared in advance due to support-free launching, and the missile vehicle can stop at any time for launching during a driving process, so that the survival ability and the maneuver warfare ability of the missile are improved, the efficiency and the war power of a missile weapon system are improved, not only are experience and basis provided for researching, developing and designing national defensein dependently-targetedanti-aircraft-carrier missile vehicle equipment, but also the advancement of the national defense equipment is shown for youths, the sense of mission and the sense of responsibility of the youths joining in national defense construction are enhanced, and the next generation of national defense equipment scientific research and development talents is trained for China.

The invention provides an asynchronous strike anti-hotlinking method and system based on a CDN edge computing network. The method comprises the steps that a CDN edge node receives a request initiated by a terminal; performing primary authentication on the legality of the request at the CDN edge node, and responding to the request after the primary authentication is passed; the CDN edge node sends the request to a CDN authentication center; and the CDN authentication center carries out deep authentication on the legality of the request by adopting an asynchronous authentication mode, and if the deep authentication is not passed, the response is hit through the CDN edge node. Content response can be preferentially provided, and the first sensory effect of the user is guaranteed; and a complex authentication strategy can be realized, customized transformation of a manufacturer is not needed, and the application range is wide.

An internal circulation spray laundry method and its washing machine, adopting the circulation spray washing method, a spray device is arranged on the outer barrel cover of the washing machine, the spray device includes a water injection pipe, a water cavity, a waterfall forming part, a limit stop plate, one end of the water injection pipe is connected to one end of the circulation pipe, the other end of the water injection pipe is the water inlet of the water chamber, the space height of the waterfall formation is lower than the space height of the water chamber, and the horizontal direction of the waterfall formation place The width is larger than the lateral width of the water cavity, and the limit baffle is arranged on the opposite side of the water outlet where the waterfall is formed. By adding a spraying device to the washing inner barrel cover of the existing washing machine, the structure of the spraying device is simple, and its spraying effect is not limited by the water level and the speed of the washing inner barrel. The concentrated washing liquid is fully combined with the clothes, which is helpful for the further cleaning of the clothes.

The invention relates to a novel cylindrical-bin cleaning device. The novel cylindrical-bin cleaning device comprises a support frame (3), wherein the support frame (3) is connected with a cylindrical bin (1), the top cover of the cylindrical bin (1) is connected with a motor (4), the motor (4) is connected with a driving gear (6) through a speed reducer (5), the driving gear (6) is connected with a driving rod (7), the upper end of the driving rod (7) is connected with a winding disc (8), and the winding disc (8) is connected with a steel rope (2). The novel cylindrical-bin cleaning device is characterized in that the lower end of the steel rope (2) is extended to the bottom of the cylindrical bin (1) , the lower end of the steel rope (2) is fixed, and the steel rope (2) is connected with at least one striking block (10). The novel cylindrical-bin cleaning device has the advantages that original equipment is slightly modified, the assembly is easy, the operation is simple, congealed blocks in different locations of the cylindrical bin can be effectively cleaned, a large amount of labor productivity is saved, and no potential safety hazard is caused to operators.

The invention relates to a pile driver. The existing pile driver is usually heavy and can be normally operated by two or even more people, and an air source is very inconvenient to install and carry. The invention provides the pile driver, which comprises a box body, a lifting handle, an air cylinder, a piston, a striking hammer, a casing, a crankshaft, a connecting rod and a transmission device. The pile driver is characterized in that the pile driver further comprises an iron anvil and an iron anvil holder, the iron anvil comprises a striking part and a body used for being fit with the casing, a through hole fit with the striking part is formed in the iron anvil holder, the striking part of the iron anvil penetrates through the through hole and is fit with the striking hammer, and the body is limited by the iron anvil holder; a No.1 hole, a No.2 hole and a No.3 hole are sequentially formed in the air cylinder from bottom to top, an air passage is formed in the box body, and the No.1 hole, the No.2 hole and the No.3 hole are communicated with the air passage. The pile driver has the advantages that the structure is simple, the design is reasonable, the striking force of the striking hammer is great, the vibration is small, the operation comfort is good and the service life of sealing pieces is long.

The invention discloses an outer barrel cover with sprinkling function and a washing machine which uses the outer barrel cover; the washing machine comprises a washing inner barrel which can contain laundry, and a washing outer barrel which contains the washing inner barrel and washing water; the bottom of the washing outer barrel is provided with a driving device and a water drainage device; theoutput end of the water drainage device is provided with a circulating tube; the circulating tube reaches the outer flow input port of a sprinkler of the outer battery cover along the outer barrel wall; the sprinkler is arranged on the side of the outer barrel cover, comprises an inclined water filling port and a waterfall forming position communicated with the water filling port; the circulatingtube is connected with the water filling port. The sprinkler has simple structure and lower cost; the sprinkling effect is not restricted by water level and the rotating speed of the washing inner barrel; in addition, the circulation of the laundry and rich foam lead the high-concentration laundry to be fully mixed with the clothes, which further helps to wash the clothes.

The invention provides a handheld cylindrical foot target for the free combat, belonging to sports equipment. The handheld cylindrical foot target comprises a target body, wherein the target body is a hollow oblong cylindrical body, the external edge corners of the target body all form a smooth arc transitional surfaces, the bottom end of one surface of the target body is provided with an opening gap, and the tail end of the gap is arc; and grasping handles are arranged on the inner surface of the side wall of the target body, the three grasping handles are available, and the grasping handles are respectively arranged on the other planes except the plane on which the gap is arranged. The handheld cylindrical foot target adopts the cylindrical target body, and the outer surface of the target body is the design in combination with the plane and the arc surface, so that the foot injury can be ingeniously avoided on the premise that the training effect is guaranteed, a target holder can be protected, and the injury to the elbow and forearm of the target holder can be effectively avoided; and the target body is provided with a plurality of effective surfaces, so that the practice of combining legs can be preferably carried out, and the practice effect and safety can be effectively guaranteed.

The invention discloses an irrigation equipment, and relates to the technical field of irrigation equipment. The irrigation equipment comprises a water storage tank, a water injection pipe, a water pump and a conveying pipe device, wherein the water injection pipe is fixed to one side of the top of the water storage tank and communicates with the water storage tank, the water pump is fixed to thecenter position of the bottom of the water storage tank, the water inlet end of the water pump penetrates through the bottom of the water storage tank and extends into the water storage tank, the conveying pipe device communicates with the water outlet end of the water pump, an inner protective layer is arranged on the surface of a conveying pipe body, and a spiral pipe device is arranged on the side, away from the conveying pipe body, of the surface of the inner protective layer. The irrigation equipment achieves the effect of preventing biting, is reasonable and simple in structure and convenient to use, can effectively prevent small animals in the field from biting, effectively protects a water conveying pipeline, avoids the situation of water leakage, reduces water resource waste, keeps sufficient water resources, is high in irrigation quality, facilitates plant growth, and improves the working efficiency and the use performance.

The invention discloses an impact hammer for a hydraulic drilling rig. The impact hammer comprises a limiting group, a valve element, a front substrate, a back substrate, a piston, a front buffer and a back buffer, wherein the limiting group is arranged on the front substrate; the valve element is arranged in the limiting group in a sleeving manner; one end of the front substrate is arranged on a power head rotating substrate of the hydraulic drilling rig, and the other end of the front substrate is provided with the back substrate in a clamping manner; the piston is arranged in inner cavities of the front substrate and the back substrate; the front buffer is arranged on the front substrate; the back buffer is arranged on the back substrate; the valve element and the piston are provided with corresponding grooves to form corresponding stress areas. The impact hammer has the advantages of simple structure, high impact frequency, large impact power, wide adaptive surface, long service life and the like and can be used on a hydraulic anchor drilling rig, while in rock-soil anchorage engineering, the drilling rig meets broken rock, sand and gravel most, and an impact rotary drilling method is one of the optimal choices.

The invention discloses an inertia claw hammer with a magnetic nail groove. A hammer head is provided with an inertia stress application mechanism and a nail groove, the inertia stress application mechanism is formed by arranging a balance weight, an upper guide rail connecting rod, a lower guide rail connecting rod, a front spring and a rear spring in a hammer head containing cavity, the nail groove is a groove formed in the surface of the side end of the hammer head and extends to the hammer head containing cavity end position from the hammer face, and a magnet used for attracting and fixing nails is embedded in the longitudinal middle groove wall of the nail groove. According to the inertia claw hammer, the inertia stress application mechanism is arranged, so that additional impact force can be generated, the striking force of the hammer is enhanced, part of rebound force can be eliminated, the operation stability is enhanced, the nail groove with the magnet is beneficial to nailing operation of a narrow part, and small salient points are distributed on the hammer surface, so that compared with a traditional smooth surface, friction between the hammer surface and a nail cap is facilitated, slipping is prevented, the ruler scales are arranged on a hammer handle, real-time positioning, measuring, nail distance checking and the like can be carried out, and multi-functionalization of the claw hammer is achieved.