41results about How to "Guaranteed horizontal position" patented technology

The invention discloses a spray head adjustment system of a digital ink-jet printer. The spray head adjustment system comprises multiple spray head plates, wherein the spray head plates are parallel with one another. Each spray head plate is provided with multiple spray heads. Part of the spray heads are fixed to the spray head plates, and spray head adjustment mechanisms are arranged on the sprayhead plates adjacent to the remaining spray heads. A horizontal adjustment mechanism is arranged between the spray head plates and an equipment frame, wherein the horizontal adjustment mechanism is used for adjusting horizontal positions of the spray head plates. A height adjustment mechanism is arranged between the spray head plates and a color stripe frame. The spray head adjustment system canachieve multi-directional adjustment, and printing quality of the spray heads is guaranteed.

The invention discloses an automatic single plate feeding machine which is characterized by comprising a fixing framework, a turning-over rod, a control system, a turning-over air cylinder, a rotating shaft, sucker supports, a lifting air cylinder, a vacuum sucker, a moving air cylinder, an induction support, contact idler wheels, a contact switch, a fixing guide rail frame and a sliding sleeve. The fixing framework is composed of a supporting leg frame and a connecting rod. One side of the supporting leg frame is connected with the connecting rod. The two ends of the other side of the supporting leg frame are hinged to the turning-over rod. One end of the turning-over air cylinder is connected with the connecting rod, and the other end of the turning-over air cylinder is connected with the turning-over rod. The other end of the turning-over rod is connected with the fixing guide rail frame. The fixing guide rail frame is sleeved with the sliding sleeve in a sliding mode. The moving air cylinder is arranged on the portion, at one side of the sliding sleeve, of the fixing guide rail frame. One end of the moving air cylinder is connected with the fixing guide rail frame, and the other end of the moving air cylinder is connected with the sliding sleeve. The sucker supports are arranged at the two sides of the sliding sleeve respectively. The lifting air cylinder is fixed to the sucker supports. The lower end of the lifting air cylinder is connected with the vacuum sucker. The automatic single plate feeding machine has the advantages of being novel in structure, high in working efficiency, low in labor intensity, high in automation degree, stable in operation and the like.

The invention discloses a vacuum packaging and flattening device for quick-frozen food processing, and relates to the technical field of quick-frozen food processing. In order to ensure the packaging and flattening completeness of quick-frozen food; the device specifically comprises a base, a motor is fixed to the outer wall of one side of the base through a supporting block, a support is arranged on the outer wall of the side, close to the motor, of the base, a guide connecting shaft is arranged at the output end of the motor and connected with the support through a bearing, and a connecting shaft is fixed to one side of the top of the support through a bearing; the circumferential outer walls of the connecting shaft and the guide connecting shaft are sleeved with transmission wheels correspondingly, the circumferential outer walls of the two transmission wheels are sleeved with the same transmission chain, a supporting plate is arranged on one side of the top of the base, a sliding groove is formed in one side of the front face of the supporting plate, a sliding plate is slidably connected into the sliding groove, and a sliding lifting mechanism is arranged between one side of the sliding plate and the connecting shaft. And an inclined sliding hole is formed in one side of the sliding plate. According to the vacuum flattening device, it is guaranteed that vacuum flattening of packaging bags is completed under the condition that quick-frozen food is not damaged.

The invention discloses a carrier roller which is long in service life and low in noise. The carrier roller comprises an installation seat and a roller movably arranged on the installation seat, wherein two sides of the lower surface of the installation seat are respectively provided with a bracket, each bracket comprises a base, an installation hole is formed in the base, a strut is movably arranged in the installation hole in a penetrating way, a limiting plate is arranged at the top of the strut, a spring is sheathed between the limiting plate and the installation seat on the strut, the limiting plate is connected with the installation seat through a connecting block, threads are arranged in the installation hole in the base, the base is connected with an adjusting seat through the threads, a through hole is formed in the adjusting seat, the strut is arranged in the through hole in a penetrating way, and the spring is positioned between the limiting plate and the adjusting seat.

The invention relates to a clamping tool for machining a Hawking metal surface. A front tip and a rear tip abut against center holes in the two ends of an output shaft, and the horizontal position of a workpiece is guaranteed; a driven tip is installed on a pneumatic lathe tailstock, manual tightening of a common tailstock is replaced, and the installation efficiency is improved; a first fastener on the end face of a first shaft sleeve abuts against and makes contact with a second fastener on the top of a second shaft sleeve, a clamping mechanism makes contact with the end face of the workpiece, and therefore the workpiece is driven to rotate for machining, and rapid clamping is achieved; and rapid clamping of parts can be achieved only by hydraulically driving the tips and the pneumatic tip. The tool can flexibly deal with output shafts of different specifications and sizes, and the production efficiency can be better improved in a large batch.

The invention discloses a slip-ring polishing tool which comprises a base, a transmission part and a polishing part. The transmission part comprises a motor, a large belt pulley, a small belt pulley, a transmission shaft and a casting shaft sleeve and is arranged on a machine tool cutter bracket; the polishing part comprises a driving wheel, a driven wheel, a pin shaft, a shaft sleeve and a fixing arm; the casting shaft sleeve, the motor and the base are mutually assembled together; the large belt pulley and the small belt pulley are connected by a V belt; the large belt pulley is arranged on the motor; the small belt pulley is arranged on one end of the transmission shaft; the other end of the transmission shaft is provided with the driving wheel and connected with one end of the fixing arm; the driven wheel is fixed through the pin shaft and the shaft sleeve and arranged on the other end of the fixing arm; the driving wheel and the driven are both provided with a grinding belt; and surface of the driven wheel is in an arc shape. The slip-ring polishing tool has the advantages that the operator can adjust the polishing amount and precision in real time and guarantee the roughness of the polished sip ring.

The invention relates to a machining method for an impeller of a hydraulic retarder of a heavy truck. The machining method includes the steps that an impeller workpiece to be machined is assembled in a special machining mechanism, and then a spiral broach is assembled; after the workpiece and the spiral broach are assembled, machining is started, a driving motor pulls a pull rod and drives the spiral broach to do linear motion towards the side far away from the workpiece, and when the spiral broach moves, a rotating assembly starts to work and drives a rotating disc to rotate so as to drive the workpiece to rotate in the clockwise direction; and after the machining, the workpiece is taken down from the machining mechanism, and the machining of spiral teeth of the impeller is completed. The machining method for the impeller of the hydraulic retarder of the heavy truck has the advantages that the special machining mechanism is coordinated, the parameters such as the column number, the size and the tooth number of machining teeth of the spiral broach, the speed of the spiral broach in the machining process and the rotating speed of the workpiece are reasonably and cooperatively designed, and therefore the spiral teeth of the impeller can be machined at a time, the machining precision of the spiral teeth can be guaranteed, and product scrapping or secondary machining caused by deviation can be avoided.

A domestic escalator used by laying it on existinig stairs is composed of carriage, handrail, track, steel cable, electric motor and control cabinet. The front end of treadle on the carriage is pivoted with the lower bottom plate. Its rear end has supporting sleeve tubes on the bottom to sleeve around the vertical columns on the bottom plate and move up and down. The track bearing and anti-skew bearing are arranged on the bottom plate. Said carriage moves along the stairs under the drive of motor and steel cable.

The invention discloses a hoisting, positioning and lubricating structure of a reciprocating pump high-precision rack hole machining boring rod, and relates to the field of petroleum engineering equipment. The hoisting, positioning and lubricating structure specifically comprises a lifting appliance, a boring rod, a copper sleeve part, a rack, a rack hole machining clamp, a cavity between an end cover and a copper sleeve, a lifting hole, an outer circle, a positioning outer circle, an oil inlet channel, an oil return channel, a friction inner hole, various copper sleeve part positioning and mounting holes and a copper sleeve part positioning and mounting hole gland. By adopting the hoisting, positioning and lubricating structure of the reciprocating pump high-precision rack hole machining boring rod, when the high-precision rack hole is machined, the boring rod and a copper bush part on the boring rod can be horizontally hoisted, so that the hoisting time for replacing the position of a machining hole is shortened easily through a compact hole space of a rack structure; the copper sleeve part is convenient to position and high in positioning precision, and the accurate position of the boring rod is guaranteed; and the outer circle of the boring rod and the friction inner hole of the copper sleeve part as a friction pair are fully lubricated, so that the service life of the friction pair can be prolonged.

The invention provides a hub ventilation and heat dissipation device. The hub ventilation and heat dissipation device comprises a hub, wherein a wind wheel shaft is fixedly installed at the back side of the hub; an air inlet groove is formed in the windward side of the hub; a gravity offset ring is movably installed in the air inlet groove through an offset bearing; an air inlet hole passing through an S-shaped air inlet channel is formed in the side edge of the rotating axis of the gravity offset ring; an annular air inlet groove is formed in the hub; the air inlet hole communicates with the annular air inlet groove; the annular air inlet groove communicates with a plurality of induced draft ducts arranged in a hub interlayer; an annular air outlet groove matched with the air outlet hole is formed in an air outlet ring; and an air return pipe is fixedly installed at the bottom of the air outlet ring. Through the arrangement of the gravity offset ring and the interlayer ducts in the hub, atmospheric precipitation is effectively prevented from entering the hub, and the interior of the hub is actively cooled through wind energy, so that the energy consumption of equipment is reduced, normal work of connecting parts in the hub is guaranteed, and the heat dissipation effect is improved.

The invention relates to intelligent construction equipment for long-distance energy pipelines. The intelligent construction equipment comprises a mounting frame, a falling device and a butt joint device, the falling device is installed on the rear end face of the mounting frame through a pin shaft, and the butt joint device is installed on the front end face of the right side of the mounting frame. The intelligent construction equipment realizes the function of rolling-down of the pipelines one by one through the falling device, so that it is ensured that the distance between the pipelines isconsistent; and an adjusting mechanism of the butt joint device can adjust the up-down moving distance of a clamping mechanism according to the different heights of the two pipelines, so that it is ensured that the horizontal positions of the two pipelines correspond with each other when the two pipelines are clamped, butt joint work of the two pipelines is facilitated, and thus the working efficiency is greatly improved.