64results about How to "Reduce transmission speed" patented technology

A maintenance tool for an insulator of a direct current transmission line comprises clamping devices and a tensioning device. The clamping devices are mounted at the two sides of the insulator through clamping, and the tensioning device is connected between the clamping devices. The clamping devices comprise a closed clamp (1), a single serial clamping device (2) and a wire end clamping device (30). The clamping device has advantages such as strong overall strength and bearing capacity, small size, light weight, and reliable working, and can be applied to replacement of various insulators on the direct current transmission line, reliably ensuring safe commissioning and regular maintenance of transmission lines.

To suppress occurrence of a difference in transmission time due to a difference in length between signal lines, there is provided a printed wiring board having: an insulating substrate (10); a first signal line (L31A) that constitutes differential signal lines formed on the insulating substrate (10) and includes a curved portion; a second signal line (L31B) provided along the first signal line (L31A) and side by side inside the curved portion; and a ground layer (30) formed for the first signal line (L31A) and the second signal line (L31B) via an insulating material (10). The ground layer (30) includes a first ground layer (G31A) corresponding to a first region (D1) and a second ground layer (G31B) corresponding to a second region (D2). The first region (D1) is defined based on the first signal line (L31A) and has a first predetermined width (W31A). The second region (D2) is defined based on the second signal line (L31B) and has a second predetermined width (W31B). The first ground layer (G31A) has a remaining ratio lower than a remaining ratio of the second ground layer (G31B).

The invention discloses a novel oxygen atomization apparatus for respiratory medicine. The structure of the apparatus comprises a medical breathing mask, an atomization barrel, a supporting foot rack,an automatic regulating box and a connecting breathing tube, wherein the medical breathing mask is fixedly arranged on top of the connecting breathing tube in an embedded manner and is connected to the atomization barrel by connecting the breathing tube in an embedded manner. The novel oxygen atomization apparatus for respiratory medicine can control the air brake mechanism according to the weight change of the water tank to realize the automatic power-off protection function of the ultrasonic control device, drive the transmission belt mechanism through motor brake device to realize fan transmission, and control atomization absorption frequency through hydraulic variable speed transmission mechanism, thereby improving the atomization effect, avoiding hypoxia and protecting the device andthe patient to a large extent.

The invention relates to the technical field of grinding machining, and discloses a scaffold screen grinding and leveling machine. The scaffold screen grinding and leveling machine comprises a rack. Clamping mechanisms are arranged on the front face and the back face of the rack. Each clamping mechanism comprises an upper clamping plate and a lower clamping plate. Upper leveling roller sets are arranged between the two ends of the two upper clamping plates, an upper buffer roller is arranged between the middles of the two upper clamping plates, and upper grinding rollers are arranged on the two sides of the upper buffer roller correspondingly. A lower buffer roller is arranged between the middles of the two lower clamping plates, lower grinding rollers are arranged on the two sides of thelower buffer roller correspondingly, and the upper grinding rollers and the lower grinding rollers form grinding opposite rollers. A first motor is arranged on the rack, lower leveling rollers at thetwo ends are driven by the first motor, a driving gear is arranged on the lower leveling roller set at one end, and a driven gear is arranged on the upper buffer roller set corresponding to the lowerleveling roller set at the end. Multiple second motors are arranged on the rack. The scaffold screen grinding and leveling machine is simple in structure, screens can be ground well, and the work efficiency of grinding can be improved.

The invention discloses a method and device for length measurement of a belt ply. The method comprises the following steps of: when a head of the belt ply reaches a speed-reducing switch, reducing the transfer speed of a conveyer belt; when the head of the belt ply reaches a fixed length switch, recording an instantaneous position a when the head of the belt ply reaches, improving the transfer speed of the conveyer belt after end of the recording, and when a tail of the belt ply reaches the speed-reducing switch, reducing the transfer speed of the conveyer belt again; when the tail of the belt ply reaches the fixed length switch, recording an instantaneous position b when the tail of the belt ply reaches, and improving the transfer speed of the conveyer belt again after end of the recording; and computing the length of the belt ply according to the a and the b. The moment to cause the head of the belt ply to reach the speed-reducing switch is earlier than the moment to cause the head of the belt ply to reach the fixed length switch.

A file transmission method, a file transmission apparatus, and a file transmission system are described. The method includes: receiving a file transmission request from an application, where the file transmission request includes a position and a filename of a to-be-transmitted file; establishing, in response to receiving the file transmission request, a wireless access point; searching for at least one connectable client by using the wireless access point; displaying the at least one connectable client in a form of a list; receiving a selection instruction for a connectable client in the list; and establishing a connection to the connectable client corresponding to the selection instruction and sending the to-be-transmitted file having the filename and at the position to the selected connectable client.

The invention relates to a method for operating a workstation of an open end rotary spinning machine and a corresponding workstation. The workstation is provided with the open end rotary spinning machine having a spinning machine capable of high speed rotation in a rotary cup housing; a fiber ribbon opening mechanism having an opening roller and a fiber ribbon supply drum drivn by a separate motor; a yarn removing mechanism driven by the separate motor to transport finished yarns; a yarn storage mechanism for halfway temporary storage of yarns with a certain length; and a winding device for generating a cross winding bobbin rotatably held in a creel. According to the invention, in the splicing process after the interruption of the winding at the workstation (2), the yarn transport speed of the finished yarns (30) from the yarn removing mechanism (18) is temporarily reduced to such a level lower than a predetermined yarn transport speed at the corresponding workstate in the spinning process.

The invention relates to a cycle device, in particular to an air rapid cycle device within a plant for metallurgical steelmaking. The air rapid cycle device within the plant for the metallurgical steelmaking can quickly adjust an air convection cycle speed, reasonably adjust the use range of the device, and increase the air humidity. The air rapid cycle device within the plant for the metallurgical steelmaking comprises a first mounting plate, a sliding rail, sliding blocks, a second mounting plate and so on; and the sliding rail is embedded into the left side of the top of the first mountingplate, the top of the sliding rail is symmetrically connected with sliding blocks in a left-right and sliding mode, the top of the sliding blocks at the left and right sides is provided with the second mounting plate, and the top of the second mounting plate is provided with an air cycle device. According to the air rapid cycle device within the plant for the metallurgical steelmaking, first vanesat the left and right sides rotate at a high speed, the air convection cycle speed is accelerated to facilitate a quick exchange of air in the plant and outside air, and a comfortable and safe working environment for workers is created.

The invention discloses an automotive glass transmission device which comprises a supporting frame, a motor, a left blocking plate, a right blocking plate and a round roller. The motor is arranged in the supporting frame, the left blocking plate and the right blocking plate are arranged at two ends of the supporting frame, the round roller is rotatably arranged between the left blocking plate and the right blocking plate, the left blocking plate and the right blocking plate are provided with chains, and gears are installed at two ends of the round roller and the output end of the motor and matched with the chains. The automotive glass transmission device further comprises an auxiliary supporting structure on the supporting frame. The round roller can enable different varieties of glass to be stably placed on a conveying plane and prevent the glass positions from deviating, the auxiliary supporting structure arranged on the supporting frame can have a transition function, the glass and the inlet position of a processing device can be unified, collision between the glass and the supporting frame or the processing device is reduced, and the glass damage rate is also reduced while the conveying efficiency is improved.

The invention discloses a blocked stack system for sheet positioning and paging and a method thereof. The system comprises a frame, a controller, a counter, an upper pressing belt arranged at the upper part of the frame, a low-speed conveying belt 1 and a low-speed conveying belt 2 respectively arranged at the left side and the right side of the frame, and power motors respectively providing powerfor the low-speed conveying belt 1 and the low-speed conveying belt 2; the height of a horizontal section at the upper part of the low-speed conveying belt 1 is lower than that of a high-speed conveying belt of a paper cutter at the left of the low-speed conveying belt 1, and a matched paging part is arranged between horizontal sections at the upper part of the low-speed conveying belt 1 and thelow-speed conveying belt 2. The blocked stack method comprises the following steps: conveying sheets from left to right by the low-speed conveying belt 1 and the low-speed conveying belt 2, paging after arriving sheet stack sizes, quickly conveying following sheets to a stacking part after paging, and conveying the preceding sheets at a low speed. The blocked stack system has the advantages of reasonable design, convenient use and operation and good use effect, and can achieve the functions of no waste discharge and automatic stack change without shutting down machines.

The invention discloses a double-arm large-stroke bidirectional fork device. The double-arm large-stroke bidirectional fork device comprises a left fork body unit and a right fork body unit. The double-arm large-stroke bidirectional fork device is characterized in that each fork body unit comprises an upper fork body unit, a middle fork body unit and a lower fork body unit; the left fork body unit and the right fork body unit are synchronously driven through a drive unit; the drive unit comprises a motor, a transmission belt, a belt wheel, a drive shaft, a left drive gear and a right drive gear; an output shaft of the motor drives the belt wheel through the transmission belt; the belt wheel is arranged on the drive shaft in a sleeving manner; the left drive gear and the right drive gear are arranged on the drive shaft separately; the left drive gear and the right drive gear are in engagement connection with the transmission gear separately; the transmission gear is engaged with a gear group in the lower fork body unit; and a rack in the middle fork body unit is driven to move by the gear group. According to the double-arm large-stroke bidirectional fork device disclosed by the invention, the drive unit drives the gear group by virtue of the transmission gear, the middle fork body and the upper fork body are driven to synchronously move, and a rotation direction of the gears is changed to control a movement direction of the fork bodies, so that bidirectionally free cargo carrying is realized.

The invention discloses a stripping device of a wicker stripping machine. The stripping device comprises lathe bodies, a conveying roller set is arranged between the lathe bodies, the outer side of the conveying roller set is sleeved with a conveying belt in a connected manner, a slag outlet hole penetrates the conveying belt, an installing support is fixedly arranged on the tops of the lathe bodies, a plurality of separating plates are fixedly arranged on the bottom end of the installing support, a first grinding roller is arranged on one side of the installing support, a second grinding roller is arranged on one side of the first grinding roller, a skin removing roller is arranged on one side of the second grinding roller, a third grinding roller is arranged on one side of the skin removing roller, and a polishing roller is arranged on one side of the third grinding roller. By means of the stripping device, wickers roll back and forth on the conveying belt, and therefore wicker surface layer fiber looseness and cracking are facilitated; and meanwhile, it can be guaranteed that the wicker outer surfaces can be in contact with a steel brush layer, and therefor the good surface layer removing effect is achieved, the polishing effect can be more even, and the quality of the polished wickers is guaranteed.

The invention relates to the technical field of potato harvest equipment in agricultural machinery, in particular to a potato multi-stage conveying and separation excavator. The excavator includes a machine frame and is characterized in that digging shovels are arranged at the lower front part of the machine frame; cutting discs and penetrating angle adjusting mechanisms are arranged on the two sides of the digging shovels; a conveying chain is arranged at the rear part of the digging shovels; a lifting-transporting type conveying separating chain is arranged at the rear part of the conveying chain; a vibrating roller is arranged in the middle of the lifting-transporting type conveying separating chain; a membrane and stem residual separating device is arranged at a corresponding position at the rear part of the lifting-transporting type conveying separating chain; a collecting box is arranged at the rear part of the membrane and stem residual separating device; a gearbox and a hanging rack are mounted at the upper front part of the machine frame; travelling support wheels are arranged at the lower rear part of the machine frame; a depth adjusting plate is arranged at a corresponding position on the machine frame at the upper end of the support wheels. According to the invention, the transmission speed of the conveying chain is higher than that of the separating chain, so that the probability of digging shovel blockage caused by the soil and potato mixture is reduced, and conditions are provided for the separating chain to further separate soil from potatoes; the separating effect is good without blockage, and defects in the prior art are effectively overcome.

The present invention provides a sever which includes a network interface, a processor and a first storage device, wherein the processor is arranged for communicating with an electronic device via the network interface, and the first storage device stores data. In the operations of the server, the processor determines whether the data is cold data; and when the data is determined as the cold data, the processor moves a second portion of the data to a second storage device, and a first portion of the data is remained in the first storage device, wherein the data amount of the first portion is less than data amount of the second portion, and the access speed of the first storage device is higher than the access speed of the second storage device.

A stationary linear guide fin (12), attached to one side of a pressing mechanism (14), engages a guide groove (2") cut on the upper surface of a workpiece (2). A workpiece supporting skid (16) is located beside a transportation belt (4) on which the workpiece is moved.

The invention relates to the technical field of grinding, in particular to a round pipe grinding method. The round pipe grinding method comprises the following steps that firstly, to-be-ground round pipes and a grinding device are prepared, the grinding device comprises a feeding pipe, a locating table, a base, conveying rolling wheels, rotating rolling wheels and grinding wheels, supporting plates and pull rods are arranged in the side wall of the feeding pipe, a locating groove is formed in the locating table, and the locating table and the base are fixed through pressure springs; secondly,the speed of each conveying rolling wheel is adjusted to be 0.2 m/s, the speed of each rotating rolling wheel is adjusted to be 3 r/s, and the speed of each grinding wheel is adjusted to range from 0.3 r/s to 0.5 r/s; thirdly, the round pipes are placed in the feeding pipe; fourthly, the round pipes fall into the locating groove, the supporting plates are pushed by the pull rods to move, and the bottommost round pipe in the round pipes and the round pipes in the locating groove are isolated; fifthly, the conveying rolling wheels convey the round pipes, and the rotating rolling wheels enable the round pipes to rotate; and sixthly, the grinding wheels grind the round pipes. According to the scheme, the round pipe grinding method aims to solve the technical problem that in the prior art, thegrinding effect is poor due to the fact that round pipe locating is inaccurate.

The invention relates to a method for preparing vegetable protein shrimp meat, comprising: injecting a first composition formed by mixing sodium alginate and carrageenan into a first reaction chamber through a first feed port; mixing rice starch and methyl cellulose to form The second composition is injected into the first reaction chamber through the second feed port; water is injected into the first reaction chamber through the third feed port to mix with the first composition and the second composition to form the first colloid, and the first The colloid is transported to the second reaction chamber; the first vegetable protein formed by the dehydration of the soybean silk protein after rehydration is injected into the second reaction chamber through the fourth feed port and the first colloid is stirred for the first time to generate the second vegetable protein; The protein is injected into the third reaction chamber for heating. After the preset heating time, the second vegetable protein is cooled and sent to the fourth reaction chamber for cutting; curdlan and methylcellulose are mixed with water to form the second vegetable protein. The colloid and the cut second vegetable protein are stirred for the second time to form vegetable protein shrimp meat.