47results about How to "Change the degree of compression" patented technology

The invention discloses a cardiogram paper roll-dividing device with an edge cutting function. The cardiogram paper roll-dividing device comprises a roll-dividing machine body. A fixing rod is fixedlymounted on the roll-dividing machine body, an adjusting rod is arranged below the fixing rod, and the upper surface of the adjusting rod is rotationally connected with a threaded rod through a firstbearing; the other end of the threaded rod penetrates through the fixing rod and extends upwards, and the threaded rod is in threaded connection with the fixing rod; the upper surface of the adjustingrod is fixedly connected with two symmetrical telescopic rods, and the other ends of the telescopic rods is fixedly connected to the lower surface of the fixing rod; and an adjusting plate is arranged below the adjusting rod, the lower surface of the adjusting rod and the upper surface of the adjusting plate are connected through a buffer mechanism, and a T-shaped sliding groove is formed in thelower surface of the adjusting plate. According to the cardiogram paper roll-dividing device, cardiogram paper can further be adjusted and subjected to edge cutting according to the width requirementof the cardiogram paper while the cardiogram paper is subjected to roll dividing through a roll-dividing machine, and the cardiogram paper processing efficiency is greatly improved.

The invention discloses edible fungus liquid fermentation strain culture equipment. The edible fungus liquid fermentation strain culture equipment comprises a culture tank body; a fixing frame is fixedly connected to one end of the culture tank body; an input assembly and a driving assembly are fixedly arranged in the fixing frame; an air inlet assembly is fixedly arranged at one end, away from the culture tank body, of the input assembly; furthermore, a buffer assembly is fixedly arranged at one end, close to the culture tank body, of the input assembly; and the input assembly comprises a piston cylinder. According to the edible fungus liquid fermentation strain culture equipment in the invention, when a piston is driven by a piston rod to move up and down in a reciprocating mode, a corrugated pipe and a damping spring are matched to achieve the gentle and leakage-proof effects, so that the fixing frame can continuously and gently inject air into the culture tank body through the buffer assembly; furthermore, cooling liquid is driven by an air compressor to circularly flow in a condensation pipe; air in the piston cylinder can be cooled; the situation that edible fungi die due tochanges of the pressure intensity and the temperature is avoided; and the purpose that the growth of the edible fungi is not affected by air injection is achieved.

An automatic constant-flow connector is mainly composed of a connector body (1), an adjusting screw (2), an adjusting spring (3), a support (4), a tower-shaped spring (5), a fixed cover (6), a valve element (7) and a fixed seat (8). The automatic constant-flow connector is arranged in an existing pipe network system, and can be inserted in a tool hole in the valve element through a common tool to rotate, and therefore other parts except for the connector body are taken out of the connector body, the compression degree of the adjusting screw on the spring is changed by changing the position of the adjusting screw on a valve rod of the valve element, prestress of the spring is changed, the force needed by pushing a conical head of the valve element into an inner hole of a boss is changed, and the flow per unit time is adjusted from the water outlet end.

The invention discloses a push force-adjustable flow one-way control device. The push force-adjustable flow one-way control device comprises a main pipe, a branch pipe, a throttling seat, a sealing head, a push rod, a spring, an end plate, a pull pressure sensor, a top plate, a servo motor, a lead screw, a feeding nut, a protection cover, a rotation seat, a water inlet pipe, a water outlet pipe, athermal spreader, a cooling annular groove and cooling fins. The device is simple in structure, the opening push force of the sealing head is adjustable, the device is applicable to different workingcondition demands, the sealing head and the main pipe can be cooled, the service lifetime is prolonged, and the reliability is improved; and meanwhile, a hot medium passing through the main pipe canbe cooled, and the comprehensive utilization rate of a cold medium is effectively improved.

The invention discloses a water-cooled motor with adjustable coolant pressure. The water-cooled motor comprises a motor body, a first rotating shaft, a support, a first gear, a fixing groove, a transition mechanism, a first bearing, a combined cam mechanism, an outer gear, an inner gear, a gear ring, an inner shell, an outer shell, a water pumping mechanism, a water outlet pipe, a pipe body, a bracket, a throttling seat, a sealing head, a push rod, a first spring, a tension pressure sensor, a bottom plate, a servo drive mechanism, a cooling ring groove, cooling fins, a coolant inlet pipe, a coolant outlet pipe and a heat exchanger. The device has a simple structure. A water cooling way is adopted, so that a good cooling effect is achieved. Moreover, a pump and a control system thereof do not need to be arranged separately; high transmission stability and reliability are achieved; and the cooling capacity increases along with the increase of the rotating speed of the first rotating shaft. At the same time, the liquid output pressure can be adjusted to meet the requirement of low-load start-up and make the coolant reach any place of a cavity between an inner shell and the outer shell, thereby increasing the utilization rate of the coolant and improving the cooling effect.

The invention discloses a double-layer independent shock excitation screening device used for shield construction muck treatment. The device comprises an equipment installation support. An upper-layerbox body and a lower-layer box body are arranged on the equipment installation support. The bottom of the upper-layer box body communicates with the top of the lower-layer box body, an upper-layer screen and an upper-layer excitation motor are arranged in the upper-layer box body, a lower-layer screen and a lower-layer excitation motor are arranged in the lower-layer box body, and the particle size of the upper-layer screen is larger than the particle size of the lower-layer screen. By means of the double-layer independent shock excitation screening device used for shield construction muck treatment, the upper-layer box body and the lower-layer box body are in a series connection relationship, muck is subjected to two stages of screening treatment through the upper-layer screen and the lower-layer screen, and the overall treatment efficiency and treatment effect of the screening device can be effectively improved; and in addition, the upper-layer box body and the lower-layer box bodyare independent from each other in structure and function, the same vibration characteristic or different vibration characteristics can be used for different types of muck for vibration screening, thescreening device can achieve muck screening with different characteristics, and the overall treatment efficiency of the screening device is further improved.

The invention relates to the technical field of ball training, in particular to volleyball training equipment with an intelligent serving system, which comprises a bottom frame, side frames extending upwards are fixedly mounted at the front two corners of the bottom frame respectively, and a connecting shell is slidably arranged between the two side frames in the vertical direction through an elastic mechanism; a beating mechanism is arranged on the inner side of the connecting shell, a guide plate is rotationally connected to the lower rear edge of the connecting shell, a collecting box is arranged behind the guide plate, the two rear corners of the guide plate are movably matched with the guide plate in the front-back direction, and a gap for balls to pass through is reserved between the rear edge of the guide plate and the front face of the collecting box. According to the volleyball training system and method, the defect that in the prior art, a real volleyball killing return stroke training mode in volleyball training is overcome, along with training, volleyball tracks are automatically changed, the change does not need to depend on a complex system and corresponding parameters, the equipment is convenient to use, and the later maintenance cost is low.

The invention discloses a potted chimonanthus praecox soilless culture device. The potted chimonanthus praecox soilless culture device comprises a pot body, a supporting base, a guide cylinder and a righting early warning assembly, wherein the supporting base which is provided with a through hole and is a rotary body is fixedly attached to the inner wall of the middle of the pot body; an elastic dense net is fixed in the supporting base, and a loading space is formed between the elastic dense net and the supporting base, wherein the loading space is used for loading one or more of quartz sand,vermiculite, peat and plastic; a clamping limiting channel is formed between the elastic dense net and the through hole of the supporting base; the guide cylinder is coaxially fixed to the upper portion of the supporting base; and the righting early warning assembly is arranged above the guide cylinder. During installation, a main rod of the chimonanthus praecox sequentially penetrates through the righting early warning assembly, the guide cylinder and the clamping limiting channel, so that the root of the chimonanthus praecox enters a culture solution box in the pot body.

The invention discloses a high-efficiency heat-dissipating water-cooled motor, comprising a motor body, a first rotating shaft, an inner casing, an outer casing, an end cover, a support base, a firstgear, a fixing groove, a transition mechanism, a first bearing, a combined cam mechanism, an outer baffle, an inner baffle, a water pumping mechanism, a ring gear, a cooler, a water outlet distribution mechanism and a pressure regulation mechanism. The device is simple in structure and reliable in sealing, cooling liquid can fill a cavity between the inner casing and the outer casing, so that thecooling liquid can be in full contact with the cooler to perform efficient and uniform cooling, and moreover, the sequential liquid distribution can be realized, the heat dissipation effect and efficiency can be effectively improved, the process of separately setting a pump and a pump control system is not required, and the motor is stable in transmission and good in reliability; and meanwhile, the cooling capacity can be improved with the increase of the rotating speed, and the requirements of use under different working conditions can be met.

The invention discloses a dough pressing adjusting device of full-automatic noodle rolling equipment, which is characterized by comprising a positioning plate, a fixing plate and a sliding bearing seat. The positioning plate and the fixing plate are vertically arranged, are arranged in the axial direction in a front-and-back spaced mode and are parallel to each other; a telescopic device is arranged between the positioning plate and the fixing plate; the sliding bearing seat is arranged at the front end of the positioning plate, the rear end of the sliding bearing seat is connected with the positioning plate, the front end of the sliding bearing seat is used for being connected with the driven dough pressing roller, and the driven dough pressing roller can slide back and forth in the axial direction; a driving dough pressing roller is arranged at the front end of the driven dough pressing roller, the side wall of the driving dough pressing roller is attached to the side wall of the driven dough pressing roller in the initial non-dough-pressing state, and the upper portion of the attaching position is used for receiving stirred dough batting. When the dough pressing adjusting device is used, the driven dough pressing roller and the driving dough pressing roller are attached to each other before dough sheets are formed, so that waste caused by falling of dough batting is avoided.

The invention relates to the field of floor springs, in particular to a self-protection floor spring which comprises a shell, a rotating shaft extending in the vertical direction is arranged on the inner side of the shell, the lower end of the rotating shaft is in rotating fit with the bottom face of the inner side of the shell, and the upper end of the rotating shaft extends out of the shell and is provided with a connecting part. The outer surface of the rotating shaft is slidably sleeved with a first stopping disc and a second stopping disc in the vertical direction, the outer surfaces of the first stopping disc and the second stopping disc are provided with halfpace grooves of different numbers, a connecting block is arranged on the inner side, close to one side of the second stopping disc, of the shell, one end of the connecting block is movably clamped into the inner side of each halfpace groove, and the other end of the connecting block is movably clamped into the halfpace groove. The structure of a worm gear in a traditional floor spring is changed, rotation of the floor spring is smoother, the friction effect is reduced, damage is not likely to happen, the service life is prolonged, after the floor spring is matched with a door to be installed, the rotation angle of the door each time can be adjusted, the damping feeling during door pushing can be changed, and the using effect is more comprehensive.

The invention discloses a spraying device for water and fertilizer integrated equipment. The spraying device comprises a mixing cavity and a spraying cavity which communicate with each other, a feed inlet is formed in the side wall of the mixing cavity, a first spraying hole is formed in the side wall of the spraying cavity, a stirring device located below the feed inlet is arranged between two inner walls in the mixing cavity, a first sleeve communicating with the mixing cavity and the spraying cavity is arranged between the mixing cavity and the spraying cavity, a second spraying hole is formed in the side wall of the sleeve in the circumferential direction, and a flow control assembly located in the spraying cavity is arranged on the path where the mixing cavity communicates with the second spraying hole. The spraying device is used for controlling the mixing time of irrigation water and liquid fertilizer, so that the irrigation water and the liquid fertilizer are mixed more uniformly, meanwhile, the water outlet amount and the water outlet pressure of the fertilizer water can be adjusted, and better spraying on crops is facilitated.