69results about How to "Automatically adjust the tightness" patented technology

A spiral rubber hose joint production method and a production technology of a device thereof comprise related equipment such as a rubber hose extruder, a rubber hose refrigerator, a steel wire winding machine, a vulcanizing plant and its dragger and the like, and include a tube wall thickness uniformity automatic adjustment and detection system, a tube and mandril extrusion water-free cooling system, a tube automatic control and winding device, an energy-saving single-disk winding machine, a two-disc winding machine, a draughting mechanism and its combinated control and automatic detection controlling system, a steel wire winding machine noise suppression device, a winding wire breaking detection and control system, a spiral rubber hose refrigerator energy-saving applied technology and temperature detection and automatic temperature control freezing control system, an automatic dehumidifying and drying device during the rubber hose freezing and winding process and its detection and combined control system, and an automatic winding monitoring and control device. In addition, an overall traction drive system and a comprehensive intelligent monitoring system are also designed.

The invention discloses an intelligent electric wheelchair for rehabilitation training.The intelligent electric wheelchair comprises two wheelchair side frames, a chair back lifting device, wheelchair back frames, an electric push rod, power supply control boxes, front foot rests, damping universal wheels and a back wheel driving system; the two wheelchair side frames are installed on the two sides of the chair back lifting device and connected with the wheelchair back frames through frame connecting parts, the electric push rod, the front foot rests, the damping universal wheels and the back wheel driving system are all mechanically connected with the wheelchair side frames, and the power supply control boxes are electrically connected with the chair back lifting device; the electric push rod is connected with the wheelchair back frames and a chair back plate, connecting rods are connected with the wheelchair back frames and a cushion, and movement of the electric push rod drives the cushion to achieve the angle changes from the horizontal to the vertical.The wheelchair can help a person sitting on the wheelchair to stand, when the person sitting on the wheelchair stands, the person can walk in a wheelchair frame, and information communication between the person sitting on the wheelchair and doctors and family members can be improved through the related systems of the wheelchair.

The invention discloses an efficient flat die type pellet machine. The efficient flat die type pellet machine comprises a machine frame, mounting brackets are arranged at the two ends of the front side of the machine frame and rotationally connected with the machine frame, moving rollers are arranged on the lower sides of the mounting brackets and rotationally connected with the mounting brackets,a motor is fixedly mounted at the right end of the upper side of the machine frame through screwed connection, and a fixing frame is arranged on the upper side of the machine frame and fixed to the machine frame through screwed connection. A tensioning wheel can automatically adjust the tightness of a belt through the elastic pressure of an adjusting compressed spring, and thus the belt will notdeflect or slip in the operating process of a machine body; besides, an adjusting pressing wheel is arranged on the upper side of a pressing roll and can automatically adjust the distance between thepressing roll and a flat die through a tensioning spring, so that the machine body operates more stably, the working efficiency of the machine body is improved, operating trouble of the machine body is avoided, and the working productivity of the machine body is improved.

The invention belongs to the technical field of head wearing, and particularly relates to a bandage structure and head-mounted equipment. The bandage structure comprises a band body and a shell whichencloses a slideway. One end part of the band body is inserted into the slideway. A telescopic adjusting mechanism is arranged in the slideway. The telescopic adjusting mechanism comprises a driving device which is arranged at an interval with the end part of the band body, a telescopic mechanism which is arranged between the end part of the band body and an output part of the driving device, andan elastic stretching piece which is used for pulling the band body into the slideway. The head-mounted equipment comprises a host and a binding band structure. The shell of the binding band structureis fixedly connected with the side portion of the host, and the driving device is electrically connected with a PCB of the host. The driving device drives the telescopic mechanism to stretch out anddraw back to drive the band body to slide out of the slideway. According to the bandage structure and the head-mounted equipment, the problem that the tightness degree is inconvenient to adjust manually when the head-mounted equipment is worn is solved. The tightness degree can be adjusted automatically according to needs, and the adjustment is very convenient.

A spiral rubber hose joint production method and a production technology of a device thereof comprise related equipment such as a rubber hose extruder, a rubber hose refrigerator, a steel wire winding machine, a vulcanizing plant and its dragger and the like, and include a tube wall thickness uniformity automatic adjustment and detection system, a tube and mandril extrusion water-free cooling system, a tube automatic control and winding device, an energy-saving single-disk winding machine, a two-disc winding machine, a draughting mechanism and its combinated control and automatic detection controlling system, a steel wire winding machine noise suppression device, a winding wire breaking detection and control system, a spiral rubber hose refrigerator energy-saving applied technology and temperature detection and automatic temperature control freezing control system, an automatic dehumidifying and drying device during the rubber hose freezing and winding process and its detection and combined control system, and an automatic winding monitoring and control device. In addition, an overall traction drive system and a comprehensive intelligent monitoring system are also designed.

The invention discloses a strip steel processing device and a strip steel annealing and recoiling technology. The device comprises an overhead travelling crane, a hanging strip, a strip steel material collecting shaft and a power device, wherein the hanging strip is hung on the overhead travelling crane; the strip steel material collecting shaft is in transmission connection with the power device, and comprises a curled expansion nut and petal-shaped curled material collecting pieces; curled expansion intervals are formed between the adjacent curled material collecting pieces; and the curled expansion nut adjusts the size of diameters of the curled material collecting pieces and the size of the curled expansion intervals. According to the strip steel processing device and the strip steel annealing and recoiling technology, an emptying device and a clamping device are omitted; the efficiency is improved greatly; the electric energy is saved; the processing cost is lowered greatly; orderliness of rolled finished strip steel cannot be changed; the tightness for coiling the strip steel can be adjusted automatically by utilizing an inertial acting force; and the operation is simple.

The invention belongs to the technical field of medical apparatus and instruments, and relates to a postoperative or post-traumatic self-adhesive thoracico-abdominal belt, which comprises a first protective sheet, a second protective sheet and a plurality of first limiting belts, the first bandage and the second bandage are arranged on the back surface of the second protection sheet, one ends of the first bandage and the second bandage are located at the top end of the back surface of the second protection sheet, and the other ends of the first bandage and the second bandage sequentially penetrate through the multiple first limiting belts from bottom to top, then are located at the position, close to the top end, of the front surface of the first protection sheet and intersect when passing through the first protection sheet and the second protection sheet; the adhesion assembly is arranged on the front face of the first protection piece and used for adhering the two ends of the first bandage to the two ends of the second bandage. According to the multi-head thoracic and abdominal belt, the first bandage and the second bandage are arranged in a matched mode, the thoracic and abdominal portion of a patient can be fixed only by pulling the ends of the first bandage and the second bandage, the situation that a traditional multi-head thoracic and abdominal belt needs to be knotted one by one by medical staff is replaced, operation is easy, the working intensity of the medical staff is relieved, and the working efficiency is improved.

The invention provides a method for processing a hyperbolic plate, which comprises the following steps: drawing a transverse heating line according to the process of the hyperbolic plate; fixing the hyperbolic plate on a pyrotechnic tool, heating along the transverse heating line, and Apply pressure to the hyperbolic plate through the ejector pin of the pyrotechnic tool; heat along the transverse heating line until the forming effect of the hyperbolic plate decreases significantly, stop heating along the transverse heating line; increase the diagonal heating line according to the forming effect of the hyperbolic plate ;Heat along the diagonal heating line, and at the same time apply pressure to the double curvature plate through the ejector pin, and stop heating after processing to the target forming effect. The invention also provides the pyrotechnic tool used in the method, including a base and a door frame, the door frame is arranged on the base, a drive unit is slidably arranged on the door frame, the drive unit is installed with a push rod, and the drive unit is electrically connected to an electric control system. The above-mentioned tooling is easy to operate and has a good fastening effect on the double curvature plate; and the processing method has a good processing effect and high processing efficiency.

The energy-saving and environment-friendly decoration pipe surface treatment device for house decoration comprises a treatment box, supporting legs are fixedly connected to the front side and the rear side of the treatment box correspondingly, and a blowing device is rotationally arranged in the middle of the interior of the treatment box; and a coarse grinding device and a fine grinding device are rotationally arranged in the treatment box and located on the left side and the right side of the blowing device correspondingly. According to the energy-saving and environment-friendly decorative pipe surface treatment device for house decoration, the rough grinding device and the fine grinding device are arranged to be matched, rough grinding and fine grinding operation can be sequentially conducted on the surface of a decorative pipe, the purging device is arranged between the rough grinding device and the fine grinding device, chippings on the surface of the pipe can be swept away after rough grinding, the chippings are prevented from affecting the precision of fine grinding, and the efficiency is improved. And the purging device, the rough grinding device and the fine grinding device can be synchronously driven and controlled by utilizing the driving device, so that the use is convenient and efficient, and meanwhile, the equipment occupies a small area and is low in power consumption.

The invention discloses a high-pressure-resistant electric-hydraulic control ball valve which is composed of two main modules including a ball valve body and an electric-hydraulic actuator. The electric-hydraulic actuator is composed of an electric-hydraulic actuating mechanism and a control system; the electric-hydraulic actuating mechanism comprises a motor, an oil pump, an oil tank, a hydraulic cylinder and an actuating mechanism; the control system comprises an electrical control system and a hydraulic control system; the ball valve body comprises a valve body, a ball body, an end pipe and a valve rod; the actuating mechanism is arranged at the upper portion of the valve body, is connected with the upper end of the valve rod, and can drive the valve rod to rotate; the hydraulic cylinder is fixedly connected to one side of the actuating mechanism; the oil tank is fixedly connected to one side of the actuating mechanism, and the oil tank is provided with the motor and the oil pump; and the hydraulic control system is arranged on the oil tank or the actuating mechanism. Further improvements are that the electric-hydraulic actuating mechanism further comprises a valve location transmitter; the motor is a servo motor; and elastic sealing structures are arranged on the two sides of the ball body. The high-pressure-resistant electric-hydraulic control ball valve is compact in structure, easy to install and debug, low in manufacturing cost, reliable and durable in elastic self-sealing, resistant to high pressure and long in service life.

The invention discloses an automatic-loosening-and-tightening intelligent belt, belongs to the field of intelligent control and solves the problem that conventional belts cannot realize automatic loosening and tightening. An automatic tightening mechanism is mounted at a position like a belt buckle or a belt, and a gyroscope, an acceleration sensor, a battery, a direct-current speed reducing motor, a tightening mechanism, Bluetooth and a control circuit are arranged in the automatic tightening mechanism; the gyroscope and the acceleration sensor detects that the body of a user is in a forward-inclining (including lateral inclining and hypsokinesis) state, standing up and sitting down, actions are sent to the control circuit in real time, and the control circuit makes comprehensive judgmentaccording to the actions or the state and lasting time; when inclination angle and upward acceleration reach set requirements, the control circuit sends a loosening or tightening signal to the direct-current speed reducing motor, and the direct-current speed reducing motor rotates backwards or forwards according to the loosening or tightening signal to drive the tightening mechanism to loosen ortighten the belt. By connecting the Bluetooth with the mobile terminal, posture parameters of the body and tightening degree of the belt are adjusted through the mobile terminal.