66results about How to "Increase the striking power" patented technology

The present invention relates to a high-pressure water descaling system which can be used in the rolling process in the iron and steel metallurgical field. In particular, it relates to a descaling system which can be used in the process of rolling slab and sheet strip. It is characterized by that said invention is aimed at providing an ultrahigh-pressure small-flow high-pressure water descaling system for sheet bar hot continuous rolling production line. The water-out pressure of its descaling pump group is 25MPa-50MPa, and the water flow rate of its descaling nozzle is 20-40L/min..

Provided is an impact type electric tool. A striking mechanism is used, which uses a hammer having striking claws that are equally arranged in the rotational direction and an anvil having struck claws. A relationship between a striking energy E, which the hammer has right before striking the anvil, and a disengaging torque T_B, which is applied between the hammer and the anvil right before the hammer is disengaged from the anvil, is set as 5.3×T_B<E<9.3×T_B in the case of three claws and set as 9.3×T_B<E<15.0×T_B in the case of two claws, so as to perform striking by skipping one of the claws of the hammer and the anvil when a high torque is required. Accordingly, the electric tool achieves output of a high torque while maintaining a favorable operational feeling during striking.

The invention relates to an ultrasonic pulse resonance jet rotary spray-head device which comprises an ultrasonic transducer and a spray head, wherein a longitudinal pulse jet inlet is drilled in an ultrasonic transducer body, the ultrasonic transducer body is rotatably installed on the central shaft of the transducer, a high-pressure rotary sealing device is arranged between the central shaft of the transducer and the ultrasonic transducer body, an axial high-pressure water channel communicated with the longitudinal pulse jet inlet is drilled in the central shaft of the transducer, and an ultrasonic transduction vibrator is arranged outside the central shaft of the transducer; and an oscillation cavity is arranged in the shell of the spray head, a plurality of nozzles are arranged at the lower end of the shell of the spray head, a multi-head amplitude-changing rod is arranged in the oscillation cavity, and a plurality of miniature amplitude-changing heads are fixedly connected onto the multi-head amplitude-changing rod. The design of the rotary ultrasonic transducer and the spray head is adopted by the invention, the oscillation cavity is arranged in the shell of the spray head, and the multi-head amplitude-changing rod is arranged in the oscillation cavity, thereby improving the energy conversion efficiency, increasing the cleaning width and area of the ultrasonic pulse resonance jet rotary spray-head device and greatly improving the cleaning efficiency of the ultrasonic pulse resonance jet rotary spray-head device.

The invention discloses a high frequency macro-energy hydraulic pile hammer which comprises a hydraulic pump and a hammer core, wherein the hydraulic core comprises an inner cylinder sleeve and an outer cylinder sleeve mounted in a spaced manner in a sleeving manner, and an oil inlet channel is formed between the inner cylinder sleeve and the outer cylinder sleeve; a piston rod fixedly connected to a piston penetrates through a cylinder cover and a static supporting sleeve axially to be supported on the static supporting sleeve, a cylinder oil inlet and a cylinder oil outlet are formed in thecylinder bottom, the cylinder oil inlet is communicated to the oil inlet channel between the inner cylinder sleeve and the outer cylinder sleeve; the oil inlet channel is communicated to a rod cavityof the hydraulic cylinder through the oil inlet hole in the inner cylinder sleeve, and a cylinder oil return hole is communicated to a rodless cavity of the hydraulic cylinder; the oil outlet of the hydraulic pump communicates to the cylinder oil inlet and a pressure oil hole of a second inserting valve in parallel, and an oil hole B of the first inserting valve is connected to the cylinder oil outlet; and a control valve as a pilot valve forms a direction control loop with the second inserting valve. The hydraulic pile hammer is simple and reasonable in structure and small in influence on ambient environment, can drive a pile at a high frequency with micro-energy, so that the hydraulic pile hammer is particularly suitable for large foundation pile construction.

A golf practice and exercise device having a frame with a horizontally projecting arm spaced from a base or from the ground and from which is suspended by a cord an object that may take various forms, such as similar to a standard softball, a teardrop-shaped punching bag, a body punching bag, or any other suitable form. The object is positioned with a clubhead impact surface in position for striking by the clubhead of a golf club being swung by a golfer. The impact surface is sufficiently large that a golfer need not concentrate on striking a small target as is required when swinging at a golf ball. The mass of the object is sufficient to provide substantial resistance to the impact of a golf club to impose muscle strain on the golfer for muscle development, but is limited in mass to allow the head of the golf club to swing the object sufficiently for the golf clubhead to ultimately pass under the object and allow the golfer to complete the follow-through of the golf swing. In an alternate form, the object to be struck rests on the ground and is attached to a flexible cord which, in turn, is attached to a spike, secured in the ground. The cord and spike provide a limit to the distance the object will move so that the device can be used in a restricted space.

The invention discloses a guide rod type diesel pile hammer with a vertical landing gear, which comprises a top transverse beam, a guide rod, a cylinder hammer and a piston, wherein the top transverse beam and the piston are respectively installed on the upper and the lower ends of the guide rod; the cylinder hammer can slide upwards and downwards along the guide rod; a landing gear is vertically arranged outside the cylinder hammer, and is provided with a lifting hook and a hammer lifting hook; the hammer lifting hook corresponds to a cylinder hammer hook groove on the cylinder hammer, and is connected with a link mechanism of the hammer lifting hook; and a decoupling stop block and a hammer hooking stop block are fixedly connected between the top transverse beam and the piston. The pile hammer has the advantages of completely preventing the landing gear from colliding with the cylinder hammer and the top transverse beam in a work process, automatically hooking and decoupling the landing gear and facilitating the operation.

The present invention relates to a system for preventing an idle blow and adjusting hitting power of a breaker, which can set an idle blow-preventive direction converting unit by rotating the direction converting unit in a desired direction and adjust the hitting power of the breaker that is provided on the outer side of a cylinder of a hydraulic breaker which is a hydraulic hitting apparatus. Thus, the invention is capable of smoothly carrying out strong and weak hitting operations and disabling an idle blow of a hitting rod that is operated by a piston and the cylinder of the breaker through a hitting adjustment valve connected with the direction converting unit.

The invention discloses a hydraulic system of a vibrating pile driver. The hydraulic system comprises a first oil cylinder, a first electromagnetic valve, a first vibration control valve, a second oil cylinder, a second electromagnetic valve, a second vibration control valve and a driving mechanism. The first vibration control valve is connected with the first oil cylinder, and the second vibration control valve is connected with the second oil cylinder; one end of the first electromagnetic valve and one end of the second electromagnetic valve are connected with the first oil cylinder, and the other end of the first electromagnetic valve and the other end of the second electromagnetic valve are connected with the second oil cylinder; and the first vibration control valve and the second vibration control valve are both connected with the driving mechanism. The electromagnetic valves and the vibration control valves are utilized for controlling the working sequence of the first oil cylinder and the second oil cylinder, and therefore the two oil cylinders constantly and alternatively vibrate for pile driving; on the basis of the pile driving principle, the impact fore is large, too large pile driving mass is not needed, the reactive force is small, and the reliability is high; and in addition, the full-hydraulic system is adopted to carry out driving and control, and the hydraulic system is simple in structure, large in driving force, convenient to control and use, and also low in manufacturing cost.

The clutch type screw press includes a frame, a sliding block, a flywheel and a motor. On the frame, there are screw in the center, brake and sliding block connected to the lower part of the screw, flywheel and clutch, comprising a power disc and a friction wheel train, connected to the upper part of the screw, compressed air driven cylinder connected to the clutch, pressing board around the lower part of the friction wheel train, guide post with spring and with upper end fixed to the flywheel and lower end connected movably to the pressing board, and operating block around the pressing board and connected to the cylinder. The clutch type screw press has compressed air as operating power of the clutch, less pressure releasing links, fast pressure release, simple structure, great impact force and other advantages, and may be used in pressure formation of metal material in different industry.

A golf practice and exercise system having a practice ball and a target assembly, using either a conventional or practice golf club. The practice ball is any generally spherical shape made of a flexible material and having an internal pressure of approximately atmospheric, for example an uninflated soccer ball. The weight of the practice ball is sufficient to provide muscle development, but is limited to allow the golfer to complete the follow-through of the golf swing. The target assembly has an energy absorbing surface attached to a rigid frame held in place by a frame support structure. Alternatively, the target assembly is a flat surface made of a hard material. The practice golf club has a substantially oversized club head with a peripheral rim defining a large opening through the club head. The club head may be selectively weighted. The grip of the club has alternating annular ridges and recesses.

The invention relates to a fuel-gas-powered nail gun allowing for convenient cleaning, exhaust and radiation, which comprises a cylinder body (2) arranged in a shell (1), and an exhaust port (8), a one-way wave plate (5), an exhaust filter element (6) and an exhaust cover (4), which are arranged on the lower part of the cylinder body (2), and is characterized in that: the exhaust port (8) is correspondingly and tightly jointed with the one-way wave plate (5); the one-way wave plate (5) is connected with the exhaust cover (4); the upper part of the exhaust cover (4) and the upper part of the one-way wave plate (5) are overlapped and positioned and connected on the cylinder body (2); and the exhaust filter element (6) is arranged on the lower part of the exhaust cover (4). The one-way wave plate of the nail gun and the exhaust port of the air cylinder are directly connected, so the waste gas of the fuel-gas-powered nail gun is exhausted more completely and consequently the combustion at next time is more complete, the shooting force of the nail gun is bigger and the service life of the one-way wave plate is prolonged; and the shell has a window, so that, detachment, cleaning and quick radiation are convenient, and the reliability of the tool is improved.

The invention provides a high pressure water noise-reduction spinning nozzle which comprises a rotary head, a rotary shaft assembly, a shell and a water inlet connector. An eccentric hole is drilled in the rotary head. The rotary head is connected with the front end of the rotary shaft assembly through threads and is of a hollow structure. The outer layer of the rotary head is made from titanium alloy materials, and a middle layer of the rotary head is made from rubber anechoic materials. Annular ladder type steps are arranged on the inner side of the shell. The rotary shaft assembly is installed in the shell. The rotary shaft assembly is composed of a hollow rotary shaft and a hollow gap sealing rod. The gap sealing rod is installed in the hollow rotary shaft. The rotary shaft is fixed in the shell through a front deep groove ball bearing, a rear deep groove ball bearing and a thrust bearing. The two ends of the rotary shaft are provided with oil seals. Compared with the prior art, the high pressure water noise-reduction spinning nozzle has the remarkable advantages and beneficial effects that water jet hitting power is improved, a cleaning effect is better, the structure is more simple, disassembly, assembly and replacement are more convent and faster, a noise reduction effect is good, noise can reach industrial noise standards, and large-range application can be achieved.

The invention provides a strike pad. In a strike pad (10), a soft portion (19) such as rubber materials with elasticity, internally covers a hard part (14) such as an iron plate, served as a core material, to form a pad portion (11); the pad portion (11) is connected to a drum rim portion (13) via a connection portion (12); in the state of non-strike, a first connection position (P1) of the connection portion(12) relative to the pad portion (10) in the strike direction is more near the opposite side of the strike direction than a second connection position (P2) of the connection portion (12) relative to the drum rim (13).

The invention discloses a roller cooling control method. A device used by the method comprises a spray beam and a nozzle which are connected. The method comprises the following steps that firstly, a water pipe fixing plate and the spraying beam are mounted, a regulating valve is replaced, then nozzle distribution is simulated to calculate suitable nozzle distribution position matrix points, and then parameters of an upper supporting roller nozzle (1), upper working roller upper row nozzles (2), upper working roller lower row nozzles (3), a lower working roller nozzle (4) and a lower supportingroller nozzle (5) of a rolling mill are sequentially adjusted; and finally, a roller is cooled. The method has the advantages that three-stage roller cooling is achieved, the defects of the edge partof a steel plate are reduced, a plate type and transverse same plate difference of the steel plate are ensured, all-point monitoring is conducted, different injection force and flows are adjusted fordifferent parts, the cooling effects of all sections are accurately controlled, the cooling efficiency and the cooling uniformity of the roller are improved, and the quality of the cooled roller is guaranteed.

The invention provides a water band pressurizing device, a water band pressurizing method and a fire fighting apparatus. The water band pressurizing device comprises a water flow conveying belt consisting of a plurality of sections of water bands which are mutually communicated, wherein an axial-flow electric pump is arranged at a node between every two adjacent sections of water bands; the axial center of a blade of the axial-flow electric pump is parallel to the water flow direction in the water bands; and the axial-flow electric pump is used for pressurizing water flowing through the node along a water flow direction. After sequentially flowing through the node, the water flow is pressurized in a way of relay, so the problem that it is difficult to delivery water to a high floor during fire fighting is solved. The water band pressurizing device has the advantages of high fire-fighting efficiency, flexible operation, compact structure and the like.

The invention discloses a hammer sheet crusher. The hammer sheet crusher comprises an upper body, a main motor arranged outside the upper body, a main shaft connected with the main motor, a sieve plate, hammer sheets, a rotating shaft moving cutter and an auxiliary motor, the hammer sheets are arranged on the main shaft, the sieve plate is arranged outside the hammer sheets and is arranged in the upper body around the main shaft, the auxiliary motor is arranged outside the upper body, the rotating shaft moving cutter is arranged in the upper body and parallels to the main shaft, and the rotating shaft moving cutter is connected with the auxiliary motor. How to improve the crushing capability of the crusher and destroy a circulation layer in the crusher is a technique problem to be solved. The hammer sheet crusher which adopts the rotating shaft moving cutter driven by the auxiliary motor increases the cutting force to a material and is in favor of destroying the circulation layer of the material in the crusher, so the crushing efficiency and the crushing quality are effectively improved.

The invention relates to a method for preparing neodymium-iron-boron permanent magnetic alloy powder by water/oil flow grinding. The method includes: taking hydrogen absorption neodymium-iron-boron particles as raw materials, and crushing the hydrogen absorption neodymium-iron-boron particles under water hammer action of high-pressure pulse water jet, water wedge stretch action, friction shearing action, strong impact action between particles and targets, grinding action between particles and grinding media and the like to finally prepare neodymium-iron-boron alloy powder proper in granularity. The method has the advantages that powder preparation is realized by high-pressure pulse water/oil flow jet, impact force for crushing the particles is greatly increased by the water hammer action of high-pressure pulse water jet, the water wedge stretch action, the shearing action, the strong impact action between particles and targets and the like besides high-speed collision among particles, and effectiveness and efficiency in crushing are improved; oxygen content of alloy powder is effectively reduced by adoption of passivated water or oil.

The invention provides a rotary high-pressure spray cleaning machine. The rotary high-pressure spray cleaning machine comprises a machine frame (1), a cleaning tank (2), a rotary basket (5), a motor (11), a high-pressure pump (21), a spraying device and a transmission device. The cleaning tank (2) is connected with the motor (11). The motor (11), the transmission device and the rotary basket (5) are connected in sequence. The cleaning tank (2) is connected with a water inlet of the high-pressure pump (21). The high-pressure pump (21) is mounted on the machine frame (1) and connected with the spraying device. The rotary high-pressure spray cleaning machine has the advantages that the efficiency is high, that is, the rotary basket has large diameter and depth and contains multiple workpieces, and the long workpieces can be cleaned; the impact face range is wide, that is, spraying pipes are arranged on the rotation periphery and up and down, and the effect that no dead space exist on the spraying impact face is ensured; the cleanliness is high, that is, due to the adoption of the high-pressure spraying pump, impact force of water flow acting on the workpieces is larger, and grease dirt on the surfaces of the workpieces is better removed; and the structure is compact, and the maneuverability is high.