239results about How to "Improve tightening effect" patented technology

The invention discloses an automatic solar photovoltaic surface cleaning device and a cleaning method thereof. The automatic solar photovoltaic surface cleaning device comprises a supporting frame (2); an attachment monitoring unit (3) is arranged at the upper end of the supporting frame (2); cleaning units (4) are arranged on the two sides of the supporting frame (2); a supplemental lighting unit (5) is arranged at the lower end of the supporting frame (2); the attachment monitoring unit (3) comprises a scanner (31); the scanner (31) is connected with a computer processing unit (6); the computer processing unit (6) is connected with a controller (7) and a photosensitive sensor (32); and the controller (7) is connected with the supplemental lighting unit (5) and the cleaning units (4). The cleaning method is characterized in that the surface of a photovoltaic panel is scanned by using the scanner, the quantity n of attachments in a unit area is calculated through the computer processing unit, and the cleaning units are controlled to work through the controller. The automatic solar photovoltaic surface cleaning device has the characteristics that the cleaning efficiency can be improved, the cleaning of the photovoltaic panel is facilitated, the cleaning effect is improved, potential safety hazards are eliminated, and the influence on power generation of the photovoltaic panel can be reduced.

The invention relates to a mask, and especially relates to a wrinkle resisting and brightening algal mask and its preparation method. The algal mask is prepared through using 50-80 parts by weight of algal powder, 5-15 parts by weight of pearl powder, 40-60 parts by weight of loquat leaf, 15-25 parts by weight of rose and 1-5 parts by weight of menthol. The algal mask has the advantages of scientific and reasonable formula, easily available raw materials and low price, and has the effects of face cleaning, skin moistening, blood circulation invigorating, stasis transforming, skin tightening property and elasticity increasing, recovering of lax skins to a young state, ageing delaying and human body metabolism adjusting, so the wrinkle removing and whitening purposes can be reached, and the needs of users can be greatly satisfied.

The invention relates to a tightening mechanism of a conveyer belt. A guide rail is arranged on a rack, a scooter is arranged on the guide rail, a belt fixing transmission device is fixed on an upper plane of the scooter, a screw tube sleeve is fixed on one end of the scooter through a fixation device; a pressure sensor is arranged between the end part of the screw tube sleeve and the scooter body; a screw rod is arranged in the screw tube sleeve; an outer end part of the screw rod is connected and fixed with an output shaft of a speed reducer; the speed reducer is mounted and fixed on the rack; and a servo motor is mounted and fixed on a speed reducer box body. The tightening mechanism of the conveyer belt has the advantages of simple structure, higher degree of automation, and better tightening effect.

The invention relates to a production technology of tire belted layers of a vehicle and a device thereof, particularly a production technology of novel meridian tire belted layers and a device thereof. The production technology comprises the following steps: a, pre-heating steel wires; b, rubberizing a steel wire and forming a rubberized steel wire through an extrusive process, or distributing a plurality of steel wires at certain intervals and rubberizing, and forming a rubberizing steel wire through the extrusive process; c, cooling the rubberizing steel wires; and d, coiling the rubberizing steel wire belt at certain intervals to form a belted layer. The production technology can be completed by the following devices: a steel wire cord spindle frame, a preheating device, an extrusive device, a cooling device, a towing device and a winding device which are arranged in sequence, wherein, a distance-adjusting device, a cutting device and a winding plate are mounted on the winding device in sequence. The invention provides a simple and efficient production technology for the mass production of zero belted-layer tires.

The invention discloses a fastening connection accessory for a tubular product. The fastening connection accessory comprises a joint and a top thread, wherein the joint comprises connecting baseplates; pulling plates are arranged at one ends of the connecting baseplates, and crown plates are arranged at the other ends; one ends of the crown plates are in threaded connection with the pulling plates, and the other ends re in contact with the crown plates; top thread guide holes are formed in the crown plates; a frustum matched with the top thread guide hole is arranged at one end where the top thread is connected to the crown plates; and when the top thread is screwed, the top thread drives the pulling plates and the crown plates to distend under the guiding of the top thread guide holes to be in closely distended connection with the inner wall of the tubular product. The fastening connection accessory for the tubular product has the advantages of simple structure and easiness in installation, can effectively protect a fastener from damage.

The invention discloses a double-shield TBM which comprises a front shield, a telescopic shield, a tight-supporting shield and a tail shield which constitute a main frame. One end of a main pushing oil cylinder is connected to the tight-supporting shield. The double-shield TBM further comprises a plurality of stabilizers, a segment assembling machine, a steel arch frame mounting device, an anchorrod drilling rig and a concrete spraying device. The stabilizers are used for fixing the positions of the front shield and a cutterhead during step-changing operation and arranged in the front shield,can stretch out of the front shield and are supported with a tunnel wall; the segment assembling machine is used for assembling segments carried by a segment hoisting system, and arranged on the mainframe; the steel arch frame mounting device is used for mounting a steel arch frame, arranged on the segment assembling machine and located on the rear portion of the segment assembling machine; theanchor rod drilling jig is used for conducting temporary anchor rod supporting on the tunnel wall and connected with the steel arch frame mounting device and a control device; and the concrete spraying device is used for spraying concrete towards the tunnel wall and arranged on a track of the main frame. The double-shield TBM has a segment mode and an anchor rod supporting mode and is wider in application range.

The invention discloses eye essence as well as a preparation method and an application thereof, relates to the technical field of skin care products and aims to improve a nursing effect on eye skin and effectively solve the problems of saggy eye skin and proneness to wrinkles. The eye essence contains palmitoyl tripeptide-5, algae extract*/pullulan/water, sodium hyaluronate, panthenol, epidermal growth factor and other substances and can provide nutrients for skin, stimulate fibroblast proliferation and collagen synthesis, promote skin regeneration and tighten the skin, wherein palmitoyl tripeptide-5 can be beneficial to rapid relaxing of mimetic muscle, and a wrinkle relieving effect is realized; algae extract*/pullulan/water can ensure that a physical film is formed on the skin surface instantly by the eye essence, the periocular skin is tightened instantly, and the instantaneous wrinkle relieving effect is enhanced. The eye essence can effectively improve the nursing effect on the eye skin and delay eye skin aging, and beautiful appearance is maintained for a longer time.

The invention discloses a tractor for a finished steel strand and a threading method of the finished steel strand. The tractor comprises a hoop, a mandrel, a threaded connection sleeve and a traction pull ring. One side of the mandrel is inserted in the center of the finished steel strand, the other side of the mandrel is arranged at one end of the threaded connection sleeve, the other end of the threaded connection sleeve is arranged at one end of the traction pull ring, the other end of the traction pull ring is provided with a pull ring connected with traction equipment, the hoop is arranged on the end portion of the finished steel strand in a sleeved mode, and the size of the periphery of the tractor is smaller than the inner diameter of a construction hole channel. The threading method includes the steps: (1) braiding the finished steel strand, (2) sleeving mark plates at the two ends of the finished steel strand, (3) inserting the conical end of the mandrel into the center of the finished steel strand and squeezing the hoop, and (4) connecting the mandrel and the traction pull ring with the two ends of the threaded connection sleeve respectively. The tractor and the threading method have the advantages that the tractor is high in connecting strength and convenient to replace, winding and torsion among steel strand bodies are avoided, and the finished steel strand is threaded out of a corrugated tube of the construction hole channel effectively and safely.

The invention relates to a full-automatic assembly machine of a mechanical shaft. The machine comprises a frame and a power distribution control box; the frame is provided with a shaft sleeve mounting mechanism and a gear mounting mechanism connected through a product conveying groove; a shaft sleeve mounting turntable is uniformly provided with loading holes matched with the shaft, and the outer side is provided with a shaft loading device, a shaft sleeve loading device, a screw rod loading device, a shaft sleeve pressing device and a shaft sleeve unloading device matched with the loading holes and connected to the power distribution control box in sequence; the gear mounting mechanism includes a gear mounting turntable arranged on the frame; the gear mounting turntable is uniformly provided with emptying holes matched with the shaft; and the outer side of the gear mounting turntable is provided with a gear loading device, a product loading device, a gear tightening device and a product unloading device matched with the emptying holes or a gear mounting carrier in sequence. The shaft sleeve mounting mechanism and the gear mounting mechanism are connected through the product conveying groove, so that the integral automatic installation is realized, and the mounting efficiency is greatly improved.

The invention relates to an expanding sleeve centering clamp which comprises a clamp body, an expanding sleeve round petal body and a guide sliding pillar. The guide sliding pillar is arranged in the clamp body in a sleeved mode, a cavity is formed in the position where the guide sliding pillar and the clamp body are connected, and a spring which is connected with the guide sliding pillar and the clamp body is arranged in the cavity. A groove is formed in the surface of the outside of the position where the guide sliding pillar and the clamp body are connected, the expanding sleeve round petal body is arranged in the groove in a sleeved mode, and the two sides of the groove are arranged to be inclined planes. A center hole is formed in the end face of the tail portion of the guide sliding pillar. The clamp body is further provided with a ball nut, and a ball gasket is further arranged between the ball nut and the expanding sleeve round petal body. The expanding sleeve centering clamp has the advantages that automatic correction can be achieved, centering is achieved, dismounting and mounting are convenient, precision is high, and parts of different inner diameters can be machined.

The invention discloses a multi-specification movement alignment mechanism of a reinforcement bar straightening machine. The multi-specification movement alignment mechanism of the reinforcement bar straightening machine comprises a rack, and a multi-thread steel-bar straightening group is arranged between an inlet guide pipe and an outlet guide pipe. Two sides of the multi-thread steel-bar straightening group are fixed at a connecting board of an alignment group, two outer side faces of the connecting board of the alignment group are respectively fixed at one ends of multiple steel-bar guide pipes with different hole diameters, and the other ends of the multiple steel bars are respectively fixed at two movable blocks, the two movable blocks are respectively arranged at two sliding channels of the rack in a sliding mode, and the two movable blocks are respectively connected with two reciprocating motion mechanisms which are operated synchronously. The multi-specification movement alignment mechanism of the reinforcement bar straightening machine has the advantages that when steel bars of different diameters are aligned, only the two movable blocks needing to be moved and one of the specification steel-bar guide pipes and one of specification steel-bar alignment roller ways are enabled to be directly faced at the inlet guide pipe and the outlet guide pipe to achieve alignment of steel bars of different specifications, the multi-specification movement alignment mechanism of the reinforcement bar straightening machine is small in impaction, stable in transmission, and labor-saving and time-saving in alignment, and a tensioning roller arranged on the rack enables a chain to achieve a best tensioning effect.

The invention discloses a 10KV distribution line cable erection fixture and an application method and provides a convenient and fast device capable of effectively avoiding adverse impact caused by wind vibration. The 10KV distribution line cable erection fixture comprises a shell, wherein a main cavity is formed at the middle of the shell, and two assistant cavities are formed on the two sides; three rope sheaves and a pair of assistant locking mechanisms are mounted in the main cavity; the three rope sheaves are arranged in a shape of Chinese character 'Pin'; the rope sheaves are close to an entrance, and the locking mechanism is close to an exit. When a cable passes by, a clamping force is formed against the cable under the effect of reversed tension of the cable; a pull rod is mounted in each assistant cavity, and the tensioning effect is good; and three rope sheaves are arranged inside, the cable is wound on the three rope sheaves which are mutually bent in a roundabout manner, and locking and fixing are formed in the roundabout bending process to firmly lock the cable inside and form a relatively good locking effect.

The invention relates to the technical field of biomedical equipment, and in particular, discloses a frozen pipe cover mounting mechanism. The frozen pipe cover mounting mechanism comprises a cover loading machine, a cover pressing machine, a cover screwing machine, a pipe unloading machine and a feeding machine; the cover loading machine comprises a first arc conveying rail, a second arc conveying rail, a third arc conveying rail, a fourth arc conveying rail and a fifth arc conveying rail; the cover pressing machine comprises a T-shaped plate, a through hole, an air blowing pipe, a first cylinder, a metal plate and a photoelectric induction switch; the cover screwing machine comprises a second cylinder, a driving mechanism and a third cylinder; a driving mechanism comprises a first driving motor and a rotating mechanism; the pipe unloading machine comprises a fourth cylinder, an unloading hopper, a push plate, a horizontal baffle plate and an inclined baffle plate; the feeding machinecomprises a turntable and a cutter; and the turntable is provided with a mounting column, an assembly hole, a push rod, a push block and a third spring. The frozen pipe cover mounting mechanism has the characteristics of higher conveying efficiency, lower labor cost, no unqualified product, better cover screwing effect, higher collecting efficiency and higher automation degree.

The invention discloses a finished steel strand harness propulsion device. The propulsion device comprises a hoop and a propulsion head; one end of the hoop is connected with one end of the propulsion head; a finished steel strand harness is sleeved in the inner hole in the other end of the hoop and then is fastened by the hoop; the other end of the propulsion head is a cone; the outline dimensions of the hoop and the propulsion head are smaller than the internal diameter of a construction aperture passage in which the follow-up finished steel strand harness is pushed. The propulsion device has the benefits that the hoop and the propulsion head are fastened and connected into a whole, so that the processing and mounting are convenient and the construction efficiency is high; the front end of the propulsion head is conic, so that the pushing process is more smooth when propulsion equipment is used for pushing; the propulsion device has the advantages of simplicity in processing, convenience in replacement, low cost and the like. The hoop is fastened at the end part of the finished steel strand harness before leaving a factory; so long as the corresponding propulsion head is screwed onto the hoop on a construction site, the propulsion device can be used to push the finished steel strand harness to penetrate through the construction aperture passage corrugated pipe.

The invention discloses a screw fastening system and method. The screw fastening system comprises a speed giving unit, a torque giving unit, a filtering unit, a speed torque control unit, a speed torque feedback unit, a current control unit, a speed weight unit, a torque weight unit, a motor, a current detection unit, a speed sensor, and a torque sensor; an electric wrench is connected to one endof the motor; the input end of the speed sensor, the input end of the torque sensor and the input end of the current detection unit are respectively connected with the motor; the output end of the current detection unit is connected with the current control unit and provides a current feedback value for the current control unit; the speed torque control unit is connected with the current control unit; and the current control unit is connected with the motor. According to the screw fastening system and method, by arranging the speed torque control unit, the speed torque feedback unit and the current control unit, the construction torque of the to-be-fastened screw and the rotating speed of the motor are controlled at the same time, so that the impact torque is reduced, higher torque precision is guaranteed, and the screw tightening effect is effectively improved.

The invention relates to a clamp for assembling and expanding a conducting bar of a motor rotor, especially to a clamp for assembling and expanding the conducting bar of the copper bar rotor of a motor, and aims at solving the problems that the length of the rotor bar stretching out of two ends of a rotor core is determined through marking lines when a present electric machine copper rotor bar is assembled and expanded, operation is complex, the rotor bar cannot be accurately positioned, lengths, stretching out of two ends of a rotor core, of the rotor bar are different, two ends of the rotor bar are not fixed when the rotor bar is expanded, and the rotor bar is easy to slip off a rotor core groove when the expanding force is over large or the direction is inclined. A circular-ring-shaped non-driving end pressure plate is connected to a driving end pressure plate through four screws, the inner circle of the non-driving end pressure plate is provided with a circular-ring-shaped stage, and four bolts are uniformly connected to the periphery of the ring stage. By adopting the clamp, the labor intensity is reduced, positioning precision of the rotor bar and the expanding effect are improved, the size is small, the weight is low, the floor space is small, and the clamp is suitable for assembling and expanding a batch of copper rotor bars at the same time.

The invention provides a medical device helpful to improve the effectiveness and stability of anchoring in myocardial fixation and improve the effect of myocardial tightening. The medical device includes a first implant for making contact with a first wall of an implanted object, a second implant for making contact with a second wall of the implanted object, and a tightening mechanism for being connected with the first implant; the tightening mechanism passes through a locking mechanism, the locking mechanism is in cooperative connection with the tightening mechanism, and the second implant can move in a direction approaching the first implant along the tightening mechanism. The second implant can move in the direction away from the first implant along the tightening mechanism when the tightening mechanism and/or the locking mechanism are deformed.