30results about How to "Regulating force" patented technology

A manipulating mechanism for miniature breaker is characterized by that its jumper and contact arm are two-step boosting lever. Regulating their lever ratios can conveniently regulate the moving speed between contacts and the action force between jumper and lock for optimal match. A slotted cam mechansm is used to control the movement tracings of jumper and moving arm with low friction force.

The invention relates to an exercise bicycle. The front end of the frame is equipped with a front end, and the rear portion of the frame is equipped with a seat. A damping flywheel is installed on the fork, and a damping adjustment device is installed on the frame. The damping adjustment device includes a damping belt installed on the edge of the damping flywheel. The damping belt includes a support belt and a rib. A damping magnetic block uniformly arranged along the circumference of the damping flywheel; the damping adjustment device also includes an electromagnet fixed on the vehicle frame and corresponding to the damping magnetic block, and the magnetic field generated when the electromagnet is energized interacts with the magnetic field of the damping magnetic block The rotational resistance of the damping flywheel can be increased or decreased, and the rotational resistance of the damping flywheel can be precisely adjusted by controlling the energizing current of the electromagnet.

The invention discloses a routing device capable of stabilizing tension force. Fixed bases are symmetrically arranged at the lower parts of the end surfaces of the two sides of a vertical disk; a threading rod A is fixed on the end surface of one side of the vertical disk along the end surface; a threading rod B is rotationally connected to the end surface of one side of the vertical disk along the end surface; one end of the threading rod A and one end of the threading rod B extend to the same side; the threading rod A is positioned above the fixed bases; the other end of the threading rod B is rotationally connected with the vertical disk through a rotary shaft; a cavity is formed in the vertical disk; the rotary shaft is connected with the inner wall of the cavity of the vertical disk through a flat spiral spring; and the threading rod A and the threading rod B are provided with a plurality of threading rings A in sequence. According to the structure of the routing device, the threading rod B is driven to rotate against the threading rod A through the flat spiral spring, so that lines passing through the threading rod A and the threading rod B can keep certain tension forces; and according to different tension forces of the passing lines, an angle of the threading rod B can be adjusted under the action of the flat spiral spring to adjust a routing distance, so that the proper tension forces of the lines are adjusted and kept.

The invention discloses an automatic labeling machine for toothbrush handles. The automatic labeling machine comprises a conveying device, a station rotary disc and a discharging port sequentially, wherein a gluing device is arranged on one side of the conveying device; at least a feeding station, a labeling station, a code printing station and a discharging station are arranged on the periphery of the station rotary disc sequentially; toothbrushes on the conveying device are transferred to the feeding station through a gripping device A; toothbrushes on the discharging station are transferred to the discharging port through a gripping device B; a plurality of toothbrush head fixing devices are uniformly distributed on the station rotary disc which is rotationally connected onto a base; the gluing device, the feeding station, the labeling station, the code printing station and the discharging station are arranged on the base respectively; the discharging port is formed in one side of the base. With adoption of the structure, automatic production of the toothbrushes can be realized during labeling and code printing procedures, the labor intensity of an operator is reduced, and the production efficiency is increased.

The invention discloses a metal melting protective agent with chloride as a body and a preparing method of the metal melting protective agent and relates to metal melting protective agents. The metal melting protective agent comprises, by mass percentage, 30%-70% of sodium chloride, 20%-60% of potassium chloride, 1%-20% of lithium chloride and x% of accessory, and the total mass is 100%. The preparing method includes the steps that all the components are evenly mixed according to the proportion, and a mixture is obtained; the mixture is put into a container to be heated, and a molten mixture is obtained after melting; and the molten mixture is cooled and then smashed and dried, and the metal melting protective agent with chloride as the body is obtained. The protective agent exists in the manner of low-density ion liquid in a high-temperature state, the density of the protective agent is far lower than that of molten metal, and continuous batch charging in the production process is facilitated. The metal melting protective agent can be used for melting technologies of other metal, except lead, or alloy, with the melting point in the range of 200-800 DEG C, metal raw materials can be effectively saved, production cost is reduced, economic benefits are increased, and pollution can also be reduced.

The invention provides a high-throughput device and method for obtaining micro-tissue blocks, and relates to the technical field of slice sampling. It includes a sample table, sampling needles distributed in an array, a flexible assembly that drives the sampling needles to advance or retract, and a three-dimensional translation platform; the flexible assembly includes a cylinder and a positioning part, and the positioning part is used to limit the rotation of the piston rod of the cylinder. The sampling needles are distributed in an array, and high-throughput sampling can be completed in a single pass; the flexible component drives the sampling needles to move forward flexibly for sampling, which can well adjust the force between the sampling needles and the tissue; the positioning part is in the sampling process. During the process, it is ensured that the sampling needle does not rotate with the cylinder piston rod, so as to avoid the relative position deflection between the sampling needle array and the sample, which can not only ensure the success of repeated sampling of similar samples, but also achieve the purpose of protecting the sampling needle.

The invention discloses a ballastless track plate laying method. The method comprises a step (a) of performing center line lofting on a base passing the acceptance; a step (b) of laying an isolating layer and steel bar meshes on the base; a step (c) of laying ballastless track plates corresponding to a center line of the base; a step (d) of accurately adjusting the ballastless track plates according to the design requirements; a step (e) of establishing dies on two sides of the ballastless track plate; a step (f) of pouring concrete between the ballastless track plates and the base; and a step (g) of removing the dies and detecting laying quality of the ballastless track plates. According to the ballastless track plate laying method, not only is laying quality improved in the ballastless track plate laying process, but also service life of a whole ballastless track is prolonged, the railway quality requirements of high-speed train running are met, track plate laying work can be finished according to a set construction period, and construction of the whole railway engineering can be finished smoothly according to the regulated quality requirements and the construction period requirements.

The invention relates to the technical field of garment pleating, and discloses an adjustable pleating presser foot mechanism based on a sewing machine, which includes a fixed block, a fixed slot is opened on the top of the fixed block, and a fixed nail, the right side of the bottom of the fixed block is fixedly connected with a threaded rod. The adjustable mechanism of the pleating presser foot based on the sewing machine rotates the rotating disk, and the second gear drives the first gear to move, so that the threaded rod drives the bottom of the fixed block to shift, and further makes the base tilt. At this time, the base and the pleating need The contact area between the clothes will change, so as to achieve the effect that the presser foot can adjust the pleating density. Turn knob 1 and knob 2, at this time, the turning rod 1 and the turning rod 2 will exert force on the pressure plate, so that the position of the pressure plate at the bottom of the base will change, so that the force of the presser foot on the clothes can be adjusted according to the thickness of the clothes. Effect.

An auxiliary adjusting mechanism for the opening and closing force of a tilt-up door of furniture comprises a fixing element, a connecting arm assembly and a fixing base. The fixing base is opened and closed on the fixing element by turning the connecting arm assembly. The fixing element is provided with a first spring and a second spring. One end of the first spring and one end of the second spring are connected with the fixing element, and the other end of the first spring and the other end of the second spring are connected with the connecting arm assembly. The fixing element is further provided with an adjusting assembly for adjusting the magnitude of the acting force of the second spring. The adjusting assembly at least comprises a fixing fame, a manipulation element, a pushing element, an intermediate element and an adjusting screw. By adjusting an adjusting acting part of the adjusting screw with a tool or manual operation, the adjusting screw rotates in a positioned mode relative to the fixing frame and drives the manipulation element, the intermediate element and the pushing element to be mutually linked on the fixing frame, and therefore the second spring is released or compressed and the magnitude of the acting force of the second spring is adjusted. Due to the structural improvement, the auxiliary adjusting mechanism is high in practicality.

The invention discloses a gluing device for the production of green bamboo-wood composite flooring and a process thereof, which belongs to the technical field of gluing the bamboo-wood composite flooring, and comprises a bottom plate. Two slide rails arranged parallel to each other are installed on the upper surface of the bottom plate. And the upper surface of the bottom plate is provided with two storage boards, the storage boards are slidably installed on the slide rail, the inside of the slot is provided with a clamping assembly for clamping the workpiece, and the front and rear sides of the bottom board are equipped with Hollow square column 1, the top of two described hollow square columns 1 is installed with the same hollow square column 2; By setting the slide rail, the sliding installation of the storage board on the bottom plate is realized, thus making it convenient for people to adjust the storage board and fix it on the The position of the workpiece on it enables people to load the workpiece on one of the storage boards while gluing the other storage board, which realizes the full use of time and is conducive to improving the efficiency of the entire gluing device. work efficiency.

The invention discloses a metal melting protective agent and a preparation method and application thereof, and relates to a metal melting process. The metal melting protective agent comprises the following components in percentage by mass: 5-60% of sodium carbonate, 10-70% of potassium carbonate, 5-60% of lithium carbonate, 10-20% of accessories, and 100% of total amount. The accessories can be selected from at least one of boric acid, calcium chloride and calcium fluoride. All the components are heated to a temperature of 300-800 DEG C after uniform mixing to obtain a melting mixture; and the melting mixture is cooled, crushed and dried to obtain the metal melting protective agent. The metal melting protective agent can be applied to the production of melting pure lead or lead alloys and the melting process of other metals, besides of lead, with a melting point range of 200-800 DEG C or alloys thereof. The lead and the lead alloy can be effectively saved; the production cost is reduced; the economic benefit is increased; the environmental pollution in the production process of lead acid accumulators can be reduced; and the lead pollution is reduced.