30results about How to "Avoid lost time" patented technology

Apparatus for producing an object by means of additive manufacturing includes a processing chamber for receiving on a build surface of a build plate a bath of powdered material which can be solidified; a support for positioning the build plate in relation to a surface level of the bath of material; a solidifying device for solidifying a selective part of the material; and a build plate preparationmeans for preparation of the build surface of the build plate such that the object can be build on the build surface of the build plate. A method of producing an object by means of additive manufacturing on a build surface of a build plate using such an apparatus is also provided.

The invention discloses a wind shield transportation support for paint spraying and relates to the technical field of a transportation support. The support is characterized in that the support comprises a sliding frame and a lower frame, wherein the sliding frame is located on an upper side of the lower frame and connected with the lower frame through a sliding mechanism, a sliding device is arranged on a lower side of the lower frame, the lower frame is fixedly connected with the sliding device, an inserting device is arranged on one side of an upper end of the sliding frame and comprises a double-head bolt inserted into the sliding frame, and two ends of the double-head bolt are not provided with threads and are rotationally connected with the sliding frame. The support is advantaged inthat a wind shield is lifted up through connecting plugs and slides to a proper position to be aired, the construction site is saved, the continuous work can be achieved, and a phenomenon of mistakenwork in the airing process is avoided.

The invention discloses a method for quickly detecting the remaining usage times of a battery, and relates to the technical field of batteries. The method is based on the relationship between the internal resistance of the battery and the number of cycles so that the number of cycles corresponding to the internal resistance of the battery can be deduced according to the measured internal resistance of the battery. The method includes the following steps: A. Measure the same model at the same room temperature The internal resistance of the battery under different cycle times of the battery, and make a graph of the relationship between the internal resistance and the cycle number of the battery; B. Divide the above graph into several stages and measure the internal resistance of the same type of battery used C. Judging the corresponding stage of the battery according to the internal resistance measured in the previous step; D. The number of cycles and the remaining number of cycles of the battery can be quickly detected according to the stage of the battery. . The invention has the advantage of high reliability, and is especially suitable for testing batteries during mass production or use.

The invention provides a setting-out device for a ceiling roof. The setting-out device comprises an ink fountain. A coil is arranged in the ink fountain. A central rotary shaft is arranged in the center of the coil. A rotary handle is externally arranged at one end of the central rotary shaft. One end of the coil is fixed to the center of a rod through a flexible wire pipe, a pulley, a wire pressing ring, a line snapping rope and a groove in the top end of the rod. The flexible wire pipe is a transparent plastic pipe. The pulley is made of hard wood. The wire pressing ring is made of galvanized round steel. A main rope of the line snapping rope is made of elastic rubber materials. The periphery of an operating rod is made of hard round wood. Compared with a former construction method, the setting-out device is simple and convenient to use, practical and reasonable in structure, the defects of conventional operation are overcome, the construction period is shortened, equipment investment is reduced, the cost is reduced, construction is arranged reasonably through the change of the objective environment, measuring and setting-out as well as installation operation can be implemented independently, and thus construction delay is avoided.

The invention discloses a device for connecting a main plunger and a pressure head of a vertical hydraulic machine and relates to a vertical hydraulic machine. The device is characterized in that the main plunger and the spherical surface of an upper sphere body are contacted and connected through a bolt; the main plunger and the plane of a lower sphere body are connected through the bolt; the upper sphere body and the lower sphere body have the same sphere center; the pressure head and the plane of a sphere supporting pad are connected through the bolt; the spherical surface of the sphere supporting pad is contacted with the spherical surface of the lower sphere body; a pressure flange and the pressure head are connected through the bolt; and the side curved surface of the pressure flange is contacted with the side curved surface of the upper sphere body. The device solves the problems that in a structure of directly connecting the main plunger and the pressure head through the pressure flange, a copper sleeve of a main cylinder has serious uneven wear of the seal caused by uneven loading of a presser and in a structure of adopting single spherical surface contact and pressure flange connection between the main plunger and the pressure head, the bolt for connecting the pressure flange and the pressure head is easy to break.

The invention discloses a preparation device for thin-layer chromatography adsorbent homogenate, which comprises a material box a, a material box mechanism assembly is arranged at the bottom of the material box a, the material box mechanism assembly is connected with a stirring mechanism assembly through an electromagnetic clutch, and the stirring mechanism assembly The bottom is connected with a motor, the motor is arranged at one end of the base, and the electromagnetic clutch and the motor are respectively connected with the system controller. The preparation device for thin-layer chromatography adsorbent homogenization of the present invention solves the problems of uneven coating thickness, many bubbles, poor uniformity, and time-consuming and labor-intensive operation when manually preparing thin-layer chromatography plates, and the device of the present invention is driven by a single motor system, the cost is relatively low.

A special spreader for a belt with a large inclination angle, including a hanging load-bearing unit and a pressing unit, characterized in that: the hanging load-bearing unit includes a fixed panel (5), a movable panel (9), a flange trusteeship (11) and a main Hosting (12), the pressing unit includes a beam (6) and a push rod (7), the beam (6) is a channel steel with holes and pin holes at both ends, the beam (6) is erected through the hole At fixed panel (5), the top of movable panel (9). The special spreader for high-inclination belts of the present invention has the advantages of simple structure, convenient manufacture, good hoisting safety, and prevents damage to the high-inclination skirt belt due to the tightening of the steel wire rope spreader, avoiding delays in work, time and material loss.

The invention provides a cable-stayed suspension combined suspending method for cable protection in gallery inspection, belonging to the technical fields of equipment inspection and overhaul. The suspending method mainly comprises the following steps of: machining lifting lugs, manufacturing and installing a tensile supporting frame, and fixing and suspending a chain block; releasing a cable, connecting and adjusting; and pulling the cable out of a bridge frame and restoring. In the invention, complex processes such as removing the used cable from an electricity utilization site, drawing out, putting in, wiring, checking and the like are avoided, influence from the used cable when a truss is removed is effectively overcome, hardly predicated hidden dangers appearing after the cable is cut off are avoided, the construction cost of an overhaul or technical modification project is reduced, the overhaul or technical modification construction period is shortened, and a new method for effectively solving the problem of overhaul or technical modification for an entire removing gallery overspan building in a plant area is provided. The method provided by the invention has the advantages of capability of operating in advance, safety and reliability, high overhaul work efficiency, high economic benefit and the like.

The invention discloses a pump truck hydraulic system and a pump truck. The pump truck comprises a pump truck hydraulic system. The pump truck hydraulic system comprises a boom pump, a pumping pump and a control valve group, is communicated with a boom liquid supply pipeline and a pumping liquid supply pipeline and can be switched between the pumping liquid supply state and the boom liquid supply state, wherein the control valve group enables the boom liquid supply pipeline to be communicated with the pumping liquid supply pipeline in one way in the pumping liquid supply state to allow the boom pump to supply hydraulic liquid to the pumping system; in the boom liquid supply state, the control valve group enables the pumping liquid supply pipeline to be communicated with the boom liquid supply pipeline in one way to allow the pumping pump to provide hydraulic liquid for the boom system. The pump truck hydraulic system achieves the following function that two pumps can supply liquid to one system together on the same pump truck and can also conduct liquid supply work independently. Compared with the prior art, the energy consumption can be reduced to the largest extent, and missed working time caused by damage to the single pump is avoided.

The invention relates to a box sealing machine. The box sealing machine comprises a machine base, a machine head arranged on the machine base, a cover folding mechanism, an upper machine core and a conveying rail arranged on the machine base, wherein the cover folding mechanism and the upper machine core are arranged on the machine head, and the machine head can move up and down relative to the machine base so as to adjust the distance between the cover folding mechanism and the conveying rail as well as the distance between the upper machine core and the conveying rail. The box sealing machine further comprises a first air cylinder and a cut-off mechanism, wherein the first air cylinder is installed above the machine head, and a piston rod of the first air cylinder is fixedly connected with the machine head; the cut-off mechanism comprises a rotary shaft rotationally arranged on the machine base, a ratchet wheel, a belt wheel, two belts and a pawl, the ratchet wheel and the belt wheel are fixedly installed on the rotary shaft, the two belts are wound on the belt wheel in the opposite directions, the pawl is rotationally arranged on the machine base, a plurality of notches are formed in the edge of the ratchet wheel and arranged in the circumferential direction of the ratchet wheel, one end of a chain is connected with the machine base through a coiled spring, and the other end of the chain is fixedly connected with the machine head. The box sealing machine is low in cost and safe to use.

The invention belongs to hydraulic rock-soil milling and excavating equipment and a hydraulic rock-soil milling and excavating method for a tunnel in soft and weak surrounding rock. Milling and excavating equipment with a soil moving device is adopted to excavate, and a funnel operating surface is divided into six operation regions which are subjected to operating in sequence through the method. The milling and excavating equipment comprises a hydraulic excavator body, a milling and excavating head and a milling and excavating moveable arm, wherein the soil moving device is arranged on the milling and excavating moveable arm at the rear end of the milling and excavating head; the soil moving device comprises an soil bearing hopper, a load bearing arm, a regulating hydraulic press, a bucket hydraulic press and a connecting base. The hydraulic rock-soil milling and excavating equipment can be used for effectively guaranteeing tunnel construction and operation safety and reducing economic loss caused by geological disasters in construction of the tunnel in soft and weak surrounding rock, and has the advantages of being low in construction resource and cost, easy to construct, high in construction speed, small in safety risk and high in construction quality.