389results about How to "Avoid shaking from side to side" patented technology

The invention provides a fixture for drilling of a PCB, and relates to the technical field of electronic product production. The fixture for drilling of the PCB comprises a mounting base, and two rotating seats are fixedly mounted on the top of the mounting base. According to the fixture for drilling of the PCB, through matching of the mounting base, the rotating seats, transverse rods, rotating handles, clamping rods, adjusting rotary knobs, pressing blocks, rubber blocks and a drilling plate, the relative positions of the transverse rods and the clamping blocks on the top of the drilling plate can be adjusted through the rotating handles and the adjusting rotary knobs, and after adjusting is completed, the top surface of the to-be-drilled PCB can be clamped by utilizing the pressing blocks and the rubber blocks; by arranging the clamping blocks, grooves and clamping springs, the positions of the clamping blocks on the two sides of the top of the drilling plate are adjusted through telescopic springs, and thus the two sides of the to-be-drilled PCB can be clamped; and in conclusion, through matching of two kinds of different clamping modes, the fixture for drilling of the PCB is good in clamping stability, and drilling of the PCB is more accurate, so that the produced PCB is good in quality.

The invention discloses a semi-automatic adjusting device of a surveying instrument tripod. The semi-automatic adjusting device comprises an instrument fixing base, wherein a fixing groove is formed in the upper side wall of the instrument fixing base, the fixing groove is circular, a clamping device is arranged on the upper side wall of the instrument fixing base, an adjusting rod is fixedly connected to the center of the lower surface of the instrument fixing base, and the adjusting rod is vertically arranged. According to the device, when the tripod is placed on the ground, cone screws arefirstly inserted into the ground until supporting plates are completely attached to the ground, the contact area between the tripod and the ground is increased, so that the tripod is more stably erected on the ground, and the tripod is prevented from toppling; the position of bubbles in glass plates is determined, fine adjustment structures on corresponding support legs are adjusted until the bubbles are located at the center of the glass plate so as to achieve leveling, so that the instrument fixing base can be horizontally placed, a surveying instrument placed on the instrument fixing base can be horizontally placed, and the measuring result is more accurate.

The invention discloses a centrifuge tube structure which comprises a tube body, a first blockage body and a second blockage body, wherein the tube body is provided with a first holding groove, a second holding groove and a necking part; the necking part is connected with the first holding groove and the second holding groove, the first blockage body is fixed in the first holding groove and commonly defines a fixed volume space together with the first holding groove; the second blockage body moves along the second holding groove and commonly defines a variable volume space together with the second holding groove, wherein the necking part defines a communicating channel to communicate the fixed volume space with the variable volume space. The centrifuge tube structure is capable of ensuring disposable use, is simplified in structure design and brings convenience for production and manufacture.

The invention relates to a livestock raising feeding trough convenient to adjust, in particular to a livestock raising feeding trough convenient to adjust. The technical effect of providing a livestock raising feeding trough convenient to adjust, the height is convenient to adjust, livestock can be fed in time, and a great deal of time and labor are saved is achieved. In order to achieve the technical effect, the livestock raising feeding trough convenient to adjust comprise a right guide rail, an alarm device, a second bevel gear, a first bevel gear, a second bearing pedestal, a rotating shaft, a first bearing pedestal, a rotating disc, a handle, a left guide rail, a supporting rod, a nut, a threaded rod, a third bearing pedestal, a support, a button, springs, a placing frame, a feeding trough, a press block and guide blocks. The left guide rail and the right guide rail are symmetrically arranged at the left side and the right side of the ground, and guide blocks are arranged on the left guide rail and the right guide rail respectively. By means of the guide rails and the guide blocks, the placing frame is driven to move up and down, cow is quantitatively fed at regular time, and balanced and regular feeding is achieved.

The invention discloses a petrochemical engineering pipe installing and hoisting device which comprises a supporting frame and a transverse rod. A rotating shaft is arranged on the transverse rod and provided with a second driving device and a rotating block, a lazy arm is arranged on the rotating block and provided with a first driving device and a third driving device, a suspender is arranged at the bottom of the first driving device, a first clamp and a second clamp are arranged at the bottom of the suspender, and protruding edges are further arranged at the bottom ends of the first clamp and the second clamp and provided with bolts; movable rods are arranged on the side walls of the first clamp and the second clamp, the two ends of each movable rod are provided with a handle and a clamping block correspondingly, the supporting frame is provided with a controller and a circular cone pre-buried head, and the controller is connected with the first driving device, the second driving device and the third driving device. When the petrochemical engineering pipe installing and hoisting device is used for hoisting a petroleum pipe, left-and-right swing of the petroleum pipe can be avoided, the petroleum pipe can be conveyed to the installation position accurately, and the petrochemical engineering pipe installing and hoisting device can be used on an uneven road section.

The invention discloses a membrane positioning structure, a backlight module with the membrane positioning structure and a display device. The membrane positioning structure comprises a back plate, a positioning part and a membrane. The positioning part is attached to the inner end face of the vertical edge of the back plate and is provided with a protrusion, the membrane is provided with a positioning hole fitted with the protrusion, and the positioning hole matches with the protrusion to position the membrane. The positioning part of the membrane positioning structure is attached to the inner end face of the vertical edge of the back plate, the protrusion on the positioning part matches with the positioning hole to position the membrane, the positioning structure is completed at the edge of the back plate, occupied space is small, shape of light guide plate is not influenced, and a notch need not be arranged on the light guide plate for avoiding. The vertical edge of the back plate is purely erected without any deformation, thickness of a space occupied by the vertical edge of the back plate is reduced to smallest, namely size of thickness of the vertical edge only, and narrow-edged development of a liquid crystal display television is facilitated.

The invention discloses a method and device for determining a moving trajectory, a mobile robot and a storage medium. The method includes the following steps: acquiring scan information within a set distance range of the mobile robot; determining current relative position information of a narrow channel boundary and the mobile robot according to the scan information, wherein the width difference between the narrow channel and the mobile robot is less than a fixed width threshold; and determining a moving trajectory of the mobile robot according to the current relative position information to achieve that the mobile robot passes through the narrow channel. In the embodiment of the invention, by adopting the above technical scheme, the moving trajectory of the mobile robot can be determinedaccording to the relative position of the mobile robot and the narrow channel boundary, the planning accuracy of the moving trajectory can be improved, and the occurrence of the situation that the mobile robot shakes right and left when passing through the narrow channel can be avoided so as to ensure that mobile robot can safely pass through the narrow channel.

The invention discloses a cable processing cutting device capable of fixing a workpiece conveniently. The device comprises a bottom plate, a placing box is fixedly connected to the front side of the top of the bottom plate, supporting columns are fixedly connected with the two sides of the back surface of the placing box, a bearing plate is arranged at the tops of the supporting columns, the bottom of the supporting plate is fixedly connected with the tops of the supporting columns, and a cutting mechanism located between the supporting columns is fixedly connected to the bottom of the bearingplate. Through joint effects of a first motor, a first bevel gear, a second bevel gear, a positive and negative tooth lead screw, a thread sleeve, a rotating plate, a semi-gear, a toothed plate, a positioning rod, a clamping plate and a clamping block, the problem that an existing cutting machine in the current market cannot conveniently fix cables when the cables are cut is solved, the cable processing cutting device capable of conveniently fixing the workpiece has the advantage that the cables can be fixed and cut conveniently, avoids the problems that the cables need to be clamped througha hand rocking mode, the clamping speed is low, and the clamping effect is poor, and improves the cutting efficiency.

The invention relates to a plastic steel window positioning mounting system. The plastic steel window positioning mounting system comprises a moving plate, moving wheels, a connecting frame, a lockingsupporting plate, clamping posts, an adjustment mechanism, clamping connecting plates, clamping elastic posts and a locking mechanism; the moving wheels are symmetrically mounted on the bottom of themoving plate; the upper end surface of the central part of the moving plate is connected with the bottom of the connecting frame; the connecting frame is of an L-shaped structure; the middle part ofthe connecting frame is of a telescopic structure; the locking supporting plate is mounted at the upper end of the connecting frame; the locking supporting plate is arranged vertically; a square groove is formed in each of the front end and the rear end of the middle part of the locking supporting plate; and a clamping post is distributed on the left side of each square groove. According to the plastic steel window positioning mounting system, the problems that the manual positioning precision of a plastic steel window is low and the position of the plastic steel window is easily changed whena wooden wedge is required to be plugged between a wall surface hole opening and the plastic steel window after the plastic steel window is placed in the positioning and placement of the exiting plastic steel window can be solved.

The invention relates to a workpiece image detection device, in particular to a workpiece inspection device. The workpiece inspection device comprises a machine frame, a flat plate, a pushing part for pushing a cylindrical workpiece to roll on the flat plate and a shooting mechanism; the shooting mechanism comprises a camera for shooting the cylindrical workpiece. The workpiece inspection device is characterized by further comprising a camera transporting part for pushing the camera; the camera transporting part is fixedly connected with the camera and is positioned above the flat plate, the speed of the camera transporting part is equal to that of the pushing part, the moving direction of the camera transporting part is parallel to and the same as that of the pushing part. The invention aims to provide a high-precision automatic detection device for the cylindrical workpiece.

The invention belongs to the field of three-dimensional parking equipment, in particular to multiple-entry-exit type horizontal circulation intelligent three-dimensional parking equipment. The two ends of one side of a main frame are provided with an inner guiding rail and an outer guiding rail correspondingly. A supporting wheel guiding rail is arranged between the inner guiding rail A and the outer guiding rail B. One end of the top of a vehicle loading platform is provided with two supporting wheels. The supporting wheels move along the supporting wheel guiding rail, the inner guiding railand the outer guiding rail. A transmission mechanism comprises a chain. The chain is fixedly provided with a vehicle loading plate connecting plate. The vehicle loading plate connecting plate is connected with a bearing of the vehicle loading platform. The invention provides the multiple-entry-exit type horizontal circulation intelligent three-dimensional parking equipment which can realize horizontal circulating garage floor installation, realize multiple-entry-exit design, and exchanges arc paths between the upper and lower layers, adopts a closed-loop guiding device, and ensures the stability of equipment operation.

The invention discloses an automatic ton bag breaking system. The automatic ton bag breaking system comprises a frame mechanism, wherein a conveying mechanism for conveying ton bags is mounted at oneend of the frame mechanism; a gripper mechanism for lifting and translating the ton bags is mounted at the top of the conveying tail end of the conveying mechanism; the gripper mechanism is driven bya gripper pushing mechanism; a bag breaking mechanism for breaking the ton bags is arranged under the moving tail end of the gripper mechanism; a ton bag buffering mechanism and a ton bag beating structure are arranged obliquely above the bag breaking mechanism; and a waste bag clamping mechanism is arranged on one side of the ton bag beating structure. The automatic ton bag breaking system can realize full automation of the processes of conveying the ton bags, breaking the bags and taking waste bags, and reduces the labor cost; the stability of the lifting and translating processes of the tonbags is ensured, instability of the ton bags is avoided, and the situation that the bag breaking positions are different due to deviation of bag bodies is avoided; and the automatic ton bag breakingsystem is quick in bag breaking, good in effect and quick in material unloading, and can ensure one-time bag breaking of the ton bags.

The invention discloses a self-contained infusion support. The self-contained infusion support comprises a supporting frame and a hanging frame, wherein the supporting frame can be supported against and connected with the body of a user; the hanging frame can hang an infusion bottle; the supporting frame comprises a U-shaped shoulder-carried frame and a connecting mechanism; the shoulder-carried frame can be carried on the shoulder of the user; the connecting mechanism can be positioned at and connected with the waist of the user; the U-shaped shoulder-carried frame is fixedly connected with the connecting mechanism; and the hanging frame is fixedly connected with the shoulder-carried frame. In the invention, the human structurology is skillfully applied to the infusion support; the infusion support is carried on the shoulder of the user through the U-shaped shoulder-carried frame; and the connecting mechanism is positioned at and connected with the waist of the user; therefore the infusion support is firmly supported against and connected with the body of the patient to prevent shaking, constantly keep the infusion bottle and the infusion place vertically, keep constant infusion liquid pressure and protect the infusion joint of the patient.

The invention discloses a positioning and cleaning device for transmitting a steel belt. The positioning and cleaning device comprises a support and a transmission roller, wherein the transmission roller is fixedly installed on the support. The positioning and cleaning device further comprises a cleaning and positioning device body which is fixed on the support and arranged right behind the transmission roller. The positioning and cleaning device body comprises a lower pressing plate, an upper pressing plate, a supporting rod and a positioning screw. The lower pressing plate is fixedly arranged on the support, two ends of the lower pressing plate are fixedly arranged on the supporting rod respectively, each supporting rod penetrates two ends of the upper pressing plate and a supporting plate respectively, and the top end of each supporting rod is fastened by a nut. The positioning screw penetrates the central end of the supporting plate and is perpendicularly fixed in a screw hole in the upper pressing plate. The positioning and cleaning device for transmitting the steel belt has the advantages of accurately positioning the steel belt, preventing the steel belt from shaking laterally, timely removing impurities on the surface of the steel belt and being easy to manufacture and reasonable in design.

The invention relates to a disinfection device for gynaecology and obstetrics, in particular to a disinfection device for a gynaecology and obstetrics stretching bed. The technical problem of the invention is characterized in that the disinfection device for the gynaecology and obstetrics stretching bed can rapidly conduct clean and thorough disinfection and can prevent cross infection of puerpera. The technical scheme of the invention is characterized in that the disinfection device for the gynaecology and obstetrics stretching bed comprises a box body, a first trapezoid block, a second trapezoid block, a first supporting board, a second supporting board, a shell, a first connection pipe, a pump body, a second connection pipe, a first valve and the like. A plurality of first liquid leaking holes are formed in the top of the box body, the first trapezoid block and the second trapezoid block are both arranged on the box body, and the bottom of the first trapezoid block is connected withthe right side of the top of the box body. The disinfection device for the gynaecology and obstetrics stretching bed can rapidly conduct clean and thorough disinfection, has the good disinfection effect, is clean and sanitary, can prevent cross infection of puerpera, is beneficial for health and safety of the puerpera, and is simple in structure, convenient to use and low in labor intensity.

The invention discloses a novel high-tension switch cabinet which comprises a cabinet body, wherein a frame is arranged at the bottom of the cabinet body in a sleeving manner; the bottom of the cabinet body is fixedly connected with a spring; the bottom of the spring is fixedly connected with the bottom of an inner cavity of the frame; a limiting column is fixedly connected to the bottom of the cabinet body and positioned inside the spring; brackets are fixedly connected to two sides of the bottom of the frame; the bottoms of the brackets are movably connected with rollers through rotating shafts; two sides of the cabinet body are communicated with an air outlet pipe; the inner wall of the air outlet pipe is fixedly connected with a fan through a supporting rod; and a temperature sensor isfixedly connected to the top of the left side of the inner cavity of the cabinet body. Due to match of a water tank, a water adding pipe, a pipe cover, a water pump, a cooling bend and a cooling plate, water in the inner cavity of the water tank circulates through the cooling bend, electrical components on the cooling plate are subjected to heat absorption by the cooling bend, the cooling effectis excellent, and the condition that the service life of electrical components is influenced due to extremely high temperature in the inner cavity of the cabinet body is avoided.

Provided is a combined medical test solution centrifugal device, belonging to the field of medical instrument. The combined medical test solution centrifugal device is composed of a waste solution tank support baffle board, a centrifugal mechanism, a lifting mechanism, a centrifugal flywheel assembly, a top cover, a mechanical arm stepping motor, a solution injection mechanical arm and a waste solution tank. The combined medical test solution centrifugal device is used for controlling centrifugation of test tubes and extraction of test solutions with four degrees of freedom as well as injection of additives and other motions. Therefore, the device is more flexible. The multiple test tubes can be simultaneously centrifuged by one centrifugation operation so that efficiency is increased. Thesolution injection mechanical arm can perform operation on the different test tubes simultaneously. Additionally, different additives can be injected into the different test tubes so that centrifugation efficiency is improved. Centrifugation and extraction operation are fully-automated. The amount of extraction solutions is strictly controlled by a machine. Therefore, extraction operation precision is improved. Workload of an experimenter is reduced due to high degree of automation while unnecessary errors made by a person are avoided.

The invention discloses a supporting device for textile machinery. The supporting device comprises a base, wherein left and right sides of the top of the base are fixedly connected with shells; supporting posts are arranged inside the shells; the tops of the supporting posts penetrate through the shells and extend to the outside; the tops of the two supporting posts are fixedly connected through asupporting plate; and supporting springs are connected on positions, between the supporting plate and the shells, of the surfaces of the supporting posts. According to the supporting device disclosedby the invention, the shells, the supporting posts, the supporting plate, the supporting springs, fixed rings, slide wheels, partitions, fixed plates, slide rods, slide plates, fixed blocks, threadedslots, positive and negative motors, positive and negative rotary shafts, threaded rods, semi-circular rings and steel wire ropes are matched with one another, so that the effect of enabling the supporting device to conveniently regulate height is achieved, the regulating process is simple in operation, saves time and labour, and regulation can be quickly performed according to the using needs, and therefore, the supporting device for the textile machinery is sufficiently utilized, and practicability of the supporting device for textile machinery is improved.

The invention discloses a construction method for a nonstandard diaphragm wall and belongs to the technical field of the construction technology. Construction tools are improved, and the method includes excavating a guide wall groove, producing a guide wall, grooving through a hydraulic grab, placing an special-shaped locked port pipe, a reinforcement cage and the like, arranging a conduit to pour concrete, and repeating the operation to obtain the nonstandard diaphragm wall which is used for retaining soil and water and the like during building pit construction. The construction method is simple in process and convenient to operate, high in working efficiency and low in cost; the obtained nonstandard diaphragm wall is smooth in surface and good in water retaining effect; the used equipment is low in cost and little in improvement time; compared with the existing method in which the locked port pipe is reprocessed, the cost is reduced from one million to below 30 thousands, the time is reduced from one month to three days, and therefore the nonstandard diaphragm wall is low in construction cost, convenient to construct, attractive in appearance and easy to popularize and apply.

The invention discloses a safe fixing structure for manufacturing ships, which comprises a base, a sliding groove is formed in the base, a supporting column is vertically mounted in the middle of the base, a hydraulic column is mounted on one side of the supporting column, a sliding block is mounted at one end of the hydraulic column, a U-shaped frame is vertically welded on the upper portion of the sliding block, and a rotating rod is movably mounted on the U-shaped frame. The bottom end of the rotating rod is provided with a rotating rod fixing structure. A push rod is vertically welded to one end of the sliding block. A tension spring is arranged between the push rod and the rotating rod. According to the safe fixing structure for manufacturing the ships, the sliding block is arranged at the bottom of the supporting column, the sliding block is provided with the push rod and the rotating rod. The ship body can be fixed under the action of the push rod, a rubber ring at one end of a rotating rod and the tension spring, the ship body is prevented from shaking left and right, meanwhile, a rotating rod locking structure is arranged at the bottom end of the rotating rod, after the rotating rod rotates by a proper angle, the rotating rod can be fixed by screwing a nut, and the rotating rod is prevented from rotating again.

The invention provides an experimental vibrating table. The experimental vibrating table comprises a supporting table, a working table, clamps, a test mold and a polarization motor, wherein the test mold is fixed on the working table through the two movable clamps; slots are formed in parts, which are opposite to the two movable clamps, of the working table; bottoms of the movable clamps are positioned in the slots and are fixed through threaded fasteners; a bottom plate and more than one pair of cushioning elements are arranged between the polarization motor and the working table; the bottom plate is supported through the supporting table; the polarization motor is fixed on the lower surface of the bottom plate through rivets; the cushioning elements are symmetrically distributed on the upper surface of the bottom plate; the working table is placed on the various cushioning elements and are fixedly connected with the various cushioning elements; the cushioning elements are arc-shaped spring plates; openings of the arc-shaped spring plates face downwards; the arc-shaped spring plates are fixed on the bottom plate in the length direction of the test mold; the working table is fixedly connected with the arc-shaped spring plate; and damping spring shock absorbers are arranged at the bottom of the supporting table. The experimental vibrating table is convenient to disassemble and transfer, an experiment on vibrating of a small amount of concrete can be carried out in a laboratory, and noises caused by vibration in the laboratory are small.

The invention relates to a cart, in particular to a nursing cart used for medical treatment. The technical problems are solved, and the nursing cart used for medical treatment can carry a lot of nursing articles and save time and labor, is convenient to move, and can isolate contaminants after nursing. In the technical scheme, the nursing cart comprises a base, a first universal wheel, a second universal wheel, a first idler wheel, a rotating shaft, a first connecting plate, a second connecting plate, a second idler wheel and others; the first universal wheel is arranged at the bottom of the base, the second universal wheel is located behind the first universal wheel, and the first universal wheel and the second universal wheel are connected with the base separately. The nursing cart usedfor medical treatment can carry a lot of nursing articles and save time and labor, is convenient to move, capable of isolating the contaminants after nursing, clean, sanitary and beneficial to protection of an ambient environment, relieves burdens of medical workers, and is simple in structure, convenient to use, easy to maintain and low in maintaining cost.

The embodiment of the invention discloses an electric power safety power supply device. The device comprises a power supply socket main body and a power supply plug positioned right above the power supply socket main body. A fixing frame is arranged in the power supply socket main body. A conductive copper sheet is arranged at the bottom of the fixing frame. Two sliding clamping covers are symmetrically arranged in the fixing frame. A fixing protection device used for fixing a plug pin and preventing sundries from being clamped in is connected in each sliding clamping cover. The device is provided with the fixing protection device. After the pin is inserted, a movable inclined block is pushed away and a fixed spring is compressed; then the movable inclined block is pushed by the reset fixed spring; and the plug is ejected to realize primary fixation, and then the plug is continuously pushed in and is clamped by a gear fixing block. The situation that the plug is separated from the socket due to shaking is avoided, and when the plug is attached to a contact clamping copper sheet, a stop block is prevented from jacking the plug for further fixation, so that the plug is not easily separated from the copper sheet. Poor contact and other situations are avoided, and the use safety is relatively high.

The invention discloses a garden pile driver. The garden pile driver comprises a base, a fixing groove is formed in the lower surface of the base, two sliding rails are symmetrically arranged on the inner side wall of the fixing groove, and the two sliding rails are jointly and slidably connected with a pile driving block; a mounting block is slidably connected to the interior of the fixing groove, two clamping blocks are symmetrically and rotatably connected to the mounting block, a limiting groove is formed in the base, and two chutes are symmetrically formed in the base; and a connecting rod is fixedly connected to the mounting block, a plurality of teeth are evenly arranged on the connecting rod, a supporting plate is fixedly connected to the base, a first motor mounting frame is fixedly connected to the side wall of the supporting plate, and a first motor is arranged on the first motor mounting frame. According to the garden pile driver, the structure is simple, using is convenient and fast, the device is fixed to a foundation by adopting a fixing column, a guard bar is driven into the foundation by adopting the gravity of the pile driving block, a lot of time and physical strength of workers are saved, and the garden pile driver is worth popularizing.