46results about How to "Easy to change height" patented technology

The invention discloses a portable temporary traffic signal commanding device, which comprises a box body, a supporting plate and a storage battery box. Pulleys are installed under the box body, and a connecting shaft is fixed on the inner side of the box body. There are connecting rods, the first supporting rod and the second supporting rod are connected to each other through the rotating shaft, the supporting plate is located above the first supporting rod and the second supporting rod, and the supporting plate is connected to the The first support rods are connected with each other, the battery box is located above the supporting plate, the inner side of the box is filled with sponge, and the box cover is connected above the box. In the portable temporary traffic signal command device, the battery box can be folded or unfolded through the first support rod, the second support rod and the connecting rod, so that the battery box can be conveniently stored in the box body, and can also be unfolded from the box body to use the box body as a The base is placed, which is convenient for carrying and transportation, and it is convenient to change the height of the command device.

The invention discloses a cutting device for machining a chemical fiber waste. The cutting device comprises a bracket. A collecting box is movably arranged on the inner bottom wall of the bracket, anda vertical plate is welded on two sides of the top of the bracket respectively. A horizontal plate is fixedly mounted on the upper portions of the sides of the two vertical plates close to each other, and a driving motor is mounted in the middle at the top of the horizontal plate through a locking bolt. An output shaft of the driving motor is fixedly connected with a screw, the screw is sleeved with a mounting seat through threads, and two sides of the mounting seat are respectively provided with a push rod motor. A blade is fixedly connected to a piston rod of each push rod motor, and a blower is disposed on two sides of the driving motor respectively. By means of the two blades, the wastes on two sides can be cut simultaneously, and the cutting efficiency is improved. The cutting deviceis novel in structure, ingenious in design, simple in operation, convenient to use and suitable for popularization.

The invention discloses an irrigation device for tea planting. The irrigation device comprises a liquid storage tank, connecting boxes, a liquid collecting piece, a liquid extraction pump, a first rotating part and a stirring part; an annular box is arranged on the peripheral surface of the liquid storage box, and a filter screen is arranged on the liquid storage box and covers a first opening; the connecting boxes are located on the two sides of a protection box, electric extendable rods are arranged on the connecting boxes, and the electric extendable rods are connected with the protection box through height adjusting devices; a connecting piece and a liquid spraying head are arranged on the liquid collecting piece, and the connecting piece is connected with the connecting boxes through an inclination angle adjusting device; a liquid extraction pipe and a conveying pipe are arranged on the liquid extraction pump; a hose is arranged at the bottom of the liquid collecting piece, the other end of the conveying pipe is connected with the hose, and the other end of the liquid extraction pipe communicates with the annular box; and the first rotating part is arranged in the liquid storage tank, and the stirring part is arranged on the first rotating part. According to the irrigation device, the height, the inclination angle and the transverse position of the liquid spraying head can be conveniently adjusted so as to facilitate irrigation operation, a nutrient solution and water can be evenly mixed so as to improve the irrigation and fertilization effect, the liquid spraying head can be prevented from being blocked, operation is easy, functions are diversified, and the using effect is extremely good.

The invention belongs to the field of supports, and especially relates to a medical infusion auxiliary support convenient to move, an existing infusion support is inconvenient to move, if rolling wheels are arranged at the bottom of the infusion support, the stability is poor in the use process, and when the infusion support is in contact with the outside, the infusion support moves, the use by people is inconvenient. The auxiliary support comprises a base, a mounting cover and a U-shaped plate are fixedly mounted on the two sides of the bottom of the base correspondingly. Two rotating shaftsare rotationally connected to the mounting cover; first wheels are fixedly mounted at the bottom ends of the two rotating shafts; and a mounting shaft is rotationally connected to the inner wall of the U-shaped plate; by starting a driving motor and a rotating motor, the support can be moved conveniently, the moving direction of the support can be adjusted conveniently in the moving process, and therefore when the support is used, convenience can be provided for medical staff, and a patient can use the support conveniently.

The invention discloses a prediction control system of a movable type stacker belt conveyor, and relates to the field of belt transportation. For solving the problems of ceaselessly adjusting a belt conveyor body by a worker due to the height problem, so that high cost and difficult mounting and maintenance are caused in the prior art. a discharging hopper is installed on one side of a side baffle, the lower end of a connecting lug is provided with a first electric hydraulic cylinder, a supporting plate is arranged below a fixing part, the two sides of the supporting plate are correspondinglyprovided with hydraulic oil cylinders, oil cylinder sleeves are installed at the lower ends of the hydraulic oil cylinders, a supporting rod is installed between the two hydraulic oil cylinders, movable rods are installed on one sides of the supporting rods, rotating screws are installed between the movable rods and the supporting rods, a second electric hydraulic cylinder is installed on one sideof the movable rods; and an oil cylinder motor is arranged on one side of the second electric hydraulic cylinder, a protective plate is installed outside the oil cylinder motor, a base is arranged below the protective plate, and universal wheels are installed below the base.

The invention discloses an industrial 3D simulation machine tool structure that is easy to disassemble and adjust. A fixing groove is provided, and limit grooves are arranged on both sides of the fixing groove, threaded sockets are arranged on the surface of the mounting plate, fixed slide rails are arranged on both sides inside the machine tool body, and the load-bearing rod passes through the connecting slide The block is connected with the fixed slide rail, and the lifting sleeve is connected with the connecting plate through the supporting rod connected above. The industrial 3D simulation machine tool structure is easy to disassemble and adjust. There are two kinds of threaded sockets on the mounting plate, so that different processing machines can be installed on the mounting plate, so that in actual use, the machine tool can realize a variety of industrial production. Function, the machine tool body and the support rod can be disassembled and installed conveniently, which is conducive to disassembly and transportation and reduces transportation costs.

The invention discloses a shower which comprises a vertical rod, a top injection base arranged on the vertical rod, and a moving component composed of a clamping groove and a sprinkler. A first sliding groove extending downwards is formed in the vertical rod, a sliding groove formed along the first sliding groove is formed in the right side of the first sliding groove, a spiral thread rod is arranged in the first sliding groove, and the spiral thread rod is in matched connection with a movable block through an upper spiral thread. The right end face of the movable block is fixedly connected with the clamping groove, a first groove body and a second groove body are formed in the position, above the first sliding groove, of the vertical rod, a screen plate is arranged between the first groove body and the second groove body, and a second gear rotary wheel and a first gear rotary wheel are arranged in the first groove body. A fourth gear rotary wheel and a third gear rotary wheel are arranged in the second groove body, a first driving device is arranged in the screen plate, and the first gear rotary wheel and the fourth gear rotary wheel are in rotary connection with the first driving device. The shower is simple in structure, convenient to operate, capable of meeting narrow space needs and capable of automatically steering.

The invention relates to a multifunctional medical walking aid. The multifunctional medical walking aid comprises supporting frames and a cushion, wherein the supporting frames are placed on two sides and connected through first connecting rods. Each supporting frame comprises a front supporting leg, a rear supporting leg and a Z-shaped armrest connected between the front supporting leg and the rear supporting leg. The top end of each armrest is connected with the top end of the corresponding rear supporting leg, the bottom end of each armrest is connected with the top end of the corresponding front supporting leg, and the first connecting rods are connected between the two rear supporting legs. A second connecting rod is connected between the front supporting leg and the rear supporting leg of each supporting frame, and the cushion is connected with the second connecting rods on two sides in a clamped mode. The multifunctional medical walking aid further comprises walking sticks and supporting bases, a first containing cavity is embedded in the upper portion of each rear supporting leg in a coaxial mode, and the lower end of each walking stick is arranged in the corresponding first containing cavity in a threaded connection mode. A second containing cavity is embedded in the bottom of each front supporting leg in a coaxial mode, a second containing cavity is embedded in the bottom of each rear supporting leg in a coaxial mode, the supporting bases are placed in the second containing cavities in a telescopic mode, and the lower portions of the front supporting legs and the lower portions of the rear supporting legs are in threaded connection with fastening screw rods used for fastening the supporting bases. The multifunctional medical walking aid is flexible to use and high in applicability.

The invention relates to a cleaning device, in particular to a quartz crushing and cleaning device. The quartz crushing and cleaning device comprises a crushing box, wherein a base is arranged at the bottom of the crushing box; the base comprises a bottom plate; spring seats are arranged at the positions, close to four corners, of the bottom of the bottom plate; electric telescopic legs are arranged at the bottoms of the spring seats; universal wheels are arranged at the bottoms of the electric telescopic legs; a water tank is arranged on the left side of the crushing box; a water pump is arranged at the top of the water tank; a connecting pipe is connected to the water outlet end of the water pump; the connecting pipe penetrates through the upper end of the outer wall of the crushing box and extends into an inner cavity of the crushing box; a spraying plate is arranged at an end of the connecting pipe in a communicating mode; a plurality of spray heads are arranged at an end of the spraying plate; a cleaning door is hinged to the outer wall of the crushing box; brushes are arranged on the two side walls of the interior of the crushing box; a plurality of bristles are arranged at an end of each brush; two crushing rollers are rotationally arranged in the crushing box; and the ends of the bristles are close to the outer walls of the crushing rollers. The quartz crushing and cleaning device has the advantages that the service life is long, cleaning is facilitated, quartz dust adhered to the surfaces of the crushing rollers can be brushed off, and the circumstance that the dust flies in the air and affects the health can be prevented.

The invention relates to the related technical field of book carrying, and discloses a shaking influence prevention book carrier which comprises a frame body, book storage devices are slidably installed on the frame body in an array mode, each book storage device comprises a book storage plate, each book storage plate is provided with a sinking groove, and side short plates are symmetrically installed in the sinking grooves. A pushing short plate is slidably mounted between the two side short plates, and side fixing parts capable of swinging are symmetrically mounted in the sinking groove. According to the book carrying vehicle capable of preventing the shaking influence, through arrangement of the book containing structure, a sinking groove is formed in a book containing plate, the sinking type containing function of books is achieved, the problem that the books are prone to slipping and falling is avoided, and meanwhile through arrangement and combination of a pushing short plate and a side fixing part, the book carrying vehicle is convenient to use. The spring structure enables the pushing short plate to be matched with the side short plate to achieve the clamping and position fixing effects on the placed books.

The invention provides a mobile low-voltage temporary electricity metering device, which comprises a base, a cross arm frame and a top plate, and is characterized in that the cross arm frame is mounted on the base, the top plate is mounted on the cross arm frame, a workbench is rotatably mounted above the top plate through a bearing ring, and a metering bin is arranged at the top of the workbench;and a winding wheel disc and a meter are arranged on one side of the interior of the metering bin, a wire outlet interface is formed in one end of the front side of the metering bin, a wire inlet cable is wound around the winding wheel disc, a jointing clamp is arranged at the input end of the wire inlet cable, and the output end of the wire inlet cable is connected with a first wiring terminal.According to the invention, under the action of the universal wheels, the device can be moved and conveniently transferred to a low-voltage temporary power utilization area, is connected to a power distribution network through the wiring clamp, and is connected to power utilization equipment through the wire outlet interface, and in the power utilization process, the meter records the power consumption in real time without tedious assembly and disassembly of wiring, can be transferred and applied at any time, and saves the cost, manpower and material resources.

The invention discloses a novel transformer comprising a pedestal; an upper end surface of the base is fixedly provided with a lifting device, and the top of the lifting device is fixedly connected with the lower end surface of a mounting plate; a damper device is arranged on both sides of the lifting device; a box body is fixedly mounted on the mounting plate; a fixing block is arranged at the top of the box body; the fixing block is fixedly connected with a flashing board; an air pump is installed inside the box body, and the air pump is connected with an air nozzle; the box body is providedwith a venting port, and heat dissipating devices are arranged inside the venting port; the heat dissipating device comprises a mounting bracket, a motor and a fan blade; the mounting bracket is fixedly connected to the inner wall of the box body; the motor is fixedly mounted on the mounting bracket and the output of the motor is connected to the fan blade; the air pump and the motor are electrically connected to an external controller. The novel transformer improves the heat dissipation effect of the transformer through the joint action of the air pump and the heat dissipating device, thereby improving the working efficiency of the transformer. It is easy to change the height of the transformer by setting the lifting device to further ensure the safety of the transformer.

The invention relates to a portable support for measuring velocity of fluid in a pipeline. The portable support comprises a support platform and a tripod. The bottom portion of the support platform isconnected to the top portion of the tripod. The tripod adopts a stable cross arm to support a positioning observation disc. The support platform and the positioning observation disc are respectivelyprovided with a positioning observation hole for connecting with a measuring instrument. The support platform comprises a turnover support disc and a bearing disc. The bottom portion of the bearing disc is connected with the tripod; the turnover support disc is in rotation connection with the bearing disc; and the included angle between the turnover support disc and the bearing disc is adjusted between 0 degree and 90 degrees. Compared with the prior art, the portable support can be suitable for any working environment, any shape of pipe, any position and any form of measurement holes, avoidsthe problems of difficult control of desired direction and large errors due to shaking of the measuring instrument during traditional manual operation, and does not need manual holding; and the portable support has the advantages of being simple and durable in structure, safe to use, stable in positioning, convenient to operate, lightweight and portable, resistant to corrosion, heat and wear and high in applicability.