14results about How to "Realize precise adjustment" patented technology

The utility model discloses an auxiliary fixing mechanism for blood drawing, which relates to the technical field of medical instruments and comprises an equipment box, a fixed range adjusting component is arranged in the equipment box and comprises a driving motor arranged in the equipment box, and a transmission rod is arranged at the output end of the driving motor. The side, away from the driving motor, of the transmission rod is fixedly connected with a rotating disc, the side edge of the rotating disc is rotationally connected with a first coupling, the side, away from the rotating disc, of the first coupling is in transmission connection with a sliding block, a second arm fixing plate is arranged above the sliding block, and the driving motor operates to enable the second arm fixing plate to be converted into a moving state from a static state. By means of the design, automatic adjustment of the arm fixing position is achieved, the design fully considers the body type difference of children of different age groups, especially the different arm lengths, so that accurate adjustment of the arm fixing range is achieved, and the self-adaptive adjusting function greatly improves the fixing efficiency and the working efficiency; and the device can be suitable for people with different body types.

The utility model relates to the technical field of geological engineering surveying and mapping, in particular to a surveying and mapping instrument positioning device for geological engineering surveying and mapping, which comprises a mounting seat, three rotating strips are rotatably connected to the side wall of the mounting seat, supporting legs are slidably connected to the interiors of the rotating strips, and adjusting structures are arranged on the surfaces of the supporting legs. Each adjusting structure comprises a sliding plate connected into the corresponding supporting leg in a sliding mode, the lower end of each sliding plate is fixedly connected with a plug, the lower end of each plug is of a tip structure, a plug pin penetrates through the side wall of each rotating strip in a sliding mode, an inserting hole is formed in the side wall of each supporting leg, and the size of each plug pin is matched with the size of each inserting hole. The side wall of the plug pin is fixedly connected with a baffle ring, and the surface of the plug pin is sleeved with a spring. According to the surveying and mapping instrument adjusting device, the surveying and mapping instrument can be rapidly and accurately placed conveniently by arranging the adjusting device and adjusting the support at the bottom of the surveying and mapping instrument twice, and the adjusting efficiency of the surveying and mapping instrument is improved to a certain extent.

The utility model relates to mechanical engineering technical field discloses a butt joint device for angle steel production, including fixed plate, the front side middle part fixed connection of fixed plate has hollow block, the rear side middle part fixed connection of fixed plate has installation box, the inner wall left side of fixed plate is provided with clamping mechanism, the clamping mechanism is used for clamping and angle adjustment to angle steel, the inner wall right side of fixed plate is provided with conveying mechanism, the conveying mechanism is used for transporting to angle steel, the clamping mechanism includes rotating shaft, the outer wall of rotating shaft and the inner wall middle part top of fixed plate rotatory connection, the outer wall left side of rotating shaft is fixedly connected with rotating plate. In the utility model, motor no.

The utility model relates to steel cord production technical field, more particularly to the adjusting tool for steel cord quenching groove, include: support, the top of support is equipped with support structure, transmission cylinder, outside wall is equipped with track, track connects to support structure, transmission cylinder's first end is set to with the connecting end that waits for the nut cooperation, second end is set to the operating end that supplies user operation, the connecting end includes the screw -sleeve cooperation with nut, operating end includes hand wheel, the adjusting tool that the utility model puts forward includes support and transmission cylinder, transmission cylinder can be flexibly removed on support, make transmission cylinder's end move to ideal position, transmission cylinder's one end is hand wheel, the other end is screw -sleeve, can accurately control screw -sleeve's rotation through the rotation of hand wheel, can long -range control the nut on quenching groove, avoid the discomfort that heat source causes to operating personnel, realize accurate adjustment to the nut on quenching groove.

The utility model discloses a kind of big span crossbeam guide rail micro-deformation adjustment structure and adjustment system, above-mentioned adjustment structure includes unloading plate, draw plate, screw rod and nut, draw plate is installed in the middle region of crossbeam side, unloading plate is located in the side of draw plate, unloading plate is installed on crossbeam side, one end of screw rod is installed on unloading plate, the other end of screw rod extends through draw plate and is spirally connected on nut after.The adjustment system provided by the utility model can realize the fine adjustment of the bending degree and the torsion overturning deformation of the crossbeam guide rail, to improve the linearity of the crossbeam guide rail. Compared with the prior art, the adjustment system realizes the precision adjustment of the guide rail under the assembly state of the crossbeam, avoids the reprocessing of the crossbeam guide rail, improves the efficiency while reducing the cost. In addition, the adjustment system also solves the problem of the existing technology difficult to improve the forward deformation of the crossbeam guide rail, can obviously improve the linearity of the crossbeam guide rail in two directions.

The utility model relates to the technical field of heating furnaces, and discloses a table type heating furnace door processing and tapping device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a first supporting frame, the top of the bottom plate is fixedly connected with two supporting blocks, the top of the first supporting frame is fixedly connected with a first double-shaft air cylinder, and the top of the first double-shaft air cylinder is fixedly connected with a second double-shaft air cylinder. A piston rod of the first double-shaft air cylinder penetrates through the first supporting frame and is fixedly connected with a first fixing plate, the bottom of the first fixing plate is fixedly connected with two fixing frames, and one side of each fixing frame is provided with an inclined face. The first fixing plate, the fixing frame, the inclined face, the connecting plate and the clamping block are used in cooperation, so that the furnace door is rapidly fixed, the first linear motor and the second linear motor are started to drive the drill bit to move to the proper position in the left-right and front-back directions, and therefore accurate positioning of the drill bit is achieved; the time-consuming and labor-consuming problem of drilling and moving the furnace door is avoided

The utility model relates to the technical field of coating processing, and discloses a discharge structure of a coating reaction kettle, which comprises a kettle body, a discharge pipe arranged at the bottom of the kettle body in a communicated manner and an adjusting rod rotationally arranged in the discharge pipe along the horizontal direction, adjusting plates are symmetrically arranged on the adjusting rod, and when the adjusting plates are in the horizontal direction, the discharge pipe can rotate along the horizontal direction. The end portions of the adjusting plates are movably attached to the inner wall of the discharging pipe, one end of the adjusting rod is located on the outer side of the discharging pipe, a first adjusting gear is vertically arranged at the end portion of the adjusting rod, and an adjusting mechanism used for adjusting the rotating angle of the first adjusting gear is arranged on the outer wall of the discharging pipe. The discharging device has the advantages that the discharging flow can be accurately adjusted, and the universality of the discharging device is improved.

The utility model discloses a cloth cutting device for jacket production relates to cloth cutting technical field, including cutting device main part, the inside of cutting device main part is installed with cloth conveying assembly, and cloth conveying assembly is used for conveying the cloth for jacket production, cloth conveying assembly includes the fixed plate of installation in the inside of cutting device main part, the inside of fixed plate is connected with cutting table, and the surface of mutual approach of fixed plate is connected with the support cylinder, and two groups of support cylinder are located cutting table's both sides respectively, the inside of cutting device main part is provided with servo motor three and servo motor four, and the output of servo motor three and servo motor four is connected with conveying cylinder no.

The utility model discloses a building steel structure bending device, which belongs to the technical field of building steel structure bending devices, and is characterized by comprising a top plate, the top of the top plate is fixedly connected with a limiting assembly and a fixing block, and the interior of the fixing block is fixedly connected with a first electric telescopic rod. The left side of the first electric telescopic rod is fixedly connected with an extrusion block, and the bottom of the top plate is fixedly connected with a supporting assembly. And the limiting assembly comprises a first adjusting block, the top of the first adjusting block is fixedly connected with a connecting block, and the top of the connecting block is fixedly connected with a second adjusting block, so that the problems that most existing devices for bending the steel structure are inconvenient to bend the U-shaped steel structure, most existing bending structures are cylindrical, and the bending efficiency is high can be solved. The problems that when a U-shaped cylinder is bent, the U-shaped cylinder cannot be attached to U-shaped steel, and deformation of the U-shaped steel is possibly caused under the bending condition are solved.

The present application relates to the field of preparation of bio-based multi-level pore carbon material and environmental governance, in particular to a kind of bio-based three-dimensional multi-level pore carbon material and its preparation method and application.The preparation method of bio-based three-dimensional multi-level pore carbon material of the present application includes the following steps: biomass raw material and phenol, composite acid catalyst are mixed and reacted 1, to obtain bio-based liquefied material;Bio-based liquefied material is mixed with composite base catalyst and polyformaldehyde, and then reacted 2, to obtain bio-based liquefied resin;Bio-based liquefied resin is mixed with surfactant, foaming agent, metal-based DES and curing agent, and then foamed, to obtain carbonization precursor;The carbonization precursor is subjected to carbonization treatment, and then ultrasonic water washing is carried out, to obtain bio-based three-dimensional multi-level pore carbon material.The bio-based three-dimensional multi-level pore carbon material prepared by the method of the present application has uniform structure, contains micron-nanometer multi-level pore structure, and has high adsorption performance.

The utility model discloses a swing type automatic spraying device for spraying processing, including the connecting frame, the connecting frame bottom fixed connection has the transverse board, the transverse board both ends all rotationally connected have the rotation column. The utility model in the process of actual use, the fixed plate on the reciprocating motor no.

The invention provides a liquid flow standard device detection system and a detection calibration method, which are widely applied to the technical field of standard device detection. The system comprises a fluid circulation unit, a measurement and control unit, a backflow unit, a detection area and a detection branch unit, a main detection pipeline is arranged in the detection area, the main detection pipeline in the detection area is provided with a plurality of instrument mounting positions and supports parallel detection of a plurality of detected flowmeters, the detection branch unit comprises a plurality of detection branches with different nominal calibers, and branch assemblies are matched with the calibers; the measurement and control unit comprises a PLC, a data acquisition module and an upper computer, the upper computer is integrated with a multifunctional module, and parameter configuration, qualification judgment, coefficient correction and data traceability are achieved. According to the invention, multi-caliber branches are adapted to multi-specification instruments, multi-instrument parallel detection improves efficiency, temperature and pressure compensation guarantees precision, and automatic control and data traceability meet standardized requirements.

The application relates to the field of engineering machinery and discloses a rust removal operation machine, which comprises a main arm frame, a slewing support arranged at the end of the main arm frame and driven to rotate by a slewing reduction mechanism, a cleaning mechanism comprising a cleaning disc connected to the slewing support through a cleaning connecting rod, an angle sensor for detecting the real-time rotating angle of the slewing support, a compensation oil cylinder hydraulic circuit comprising a compensation oil cylinder and an electric proportional overflow valve arranged in the working oil path of the rodless cavity of the compensation oil cylinder, one end of the compensation oil cylinder being hinged to the slewing support and the other end being hinged to the cleaning connecting rod to support the cleaning connecting rod in luffing, and a controller for adjusting the current size of the electric proportional overflow valve according to the size of the detected real-time rotating angle of the slewing support in a cleaning operation mode. The rust removal operation machine can automatically maintain the cleaning disc in a state of adhesion to a wall surface to be cleaned, thereby improving the rust removal effect.

The utility model relates to the technical field of nursing chairs, and discloses a nursing chair which comprises a moving trolley, a seat is arranged on the top face of the moving trolley, a PLC is fixedly installed on one side of the moving trolley, the nursing chair further comprises an adjusting assembly, the adjusting assembly is arranged on the top face of the moving trolley and used for adjusting the position of the seat, and the PLC is fixedly installed on the other side of the moving trolley. The adjusting assembly comprises a first supporting plate, the first supporting plate is arranged on the top face of the moving trolley, through mutual cooperative use of the arranged moving trolley, the seat, the first supporting plate, a T-shaped plate, a T-shaped hole and a first threaded column, precise adjustment of the position of the seat is achieved, through height and front-back adjustment, the seat is made to be matched with or placed on the bed surface, and the position of the seat is adjusted. Nursing personnel help a patient to sit on the seat, the patient does not need to get out of the bed or manually lift the patient, large strength is not needed, meanwhile, manual lifting operation is not needed, strength is saved, and the nursing bed is practical and convenient to use.