38results about How to "Avoid tight fit" patented technology

The invention relates to a correcting method for the roundness of a casting and a correcting tool adopting the same. The correcting method for the roundness of the casting comprises the following steps that firstly, the roundness of the casting is measured, the deformation amount and deformation position of the casting are determined; secondly, the casting is preheated with the temperature being smaller than the aging temperature through a heating device; thirdly, the correcting tool for the roundness of the casting clamps the casting, the deformation part of the casting is adjusted to enablethe roundness of the casting to reach the required range; and fourthly, the casting and the correcting tool for the roundness of the casting are put into the heating device together and cooled to theindoor temperature along with the heating device. After the casting is subjected to low-temperature aging treatment, the deformation part of the casting is adjusted to enable the size of the casting to reach the predetermined required range, and the casting is cooled along with the heating device, so that the stress is dispersed, and the correcting effect of the roundness of the casting is good.

The invention discloses a two-way water stop gate with a discrete sealing adjustment structure. The two-way water stop gate comprises a door frame, a gate, a door frame fixing seat, sealing adjustment mechanisms and a hydraulic driving rod, wherein the door frame is fixed to a civil engineering base through the door frame fixing seat; a longitudinal sliding groove is formed in the door frame, the gate is installed in the longitudinal sliding groove, and a circle of sealing ring is installed at the edge of the inner side surface of the gate; a plurality of protruding pressure bearing blocks are respectively arranged at the left and right edges of the outer side surface of the gate at equal intervals, and the sealing adjustment mechanisms are fixed to the door frame fixing seat, correspond to the pressure bearing blocks one to one and are tightly pressed on the pressure bearing blocks; and the oil cylinder end of the hydraulic driving rod is fixed to the top of the door frame, and the telescopic rod end of the hydraulic driving rod is fixed to the gate. According to the two-way water stop gate, the design of the sectional type pressure bearing blocks is adopted, so that the sealing effect of the gate can be guaranteed, the cost of the sealing structure can be greatly reduced, and the field maintenance workload and the maintenance cost are reduced.

The invention provides a cantilever scaffold and a construction process thereof. The cantilever scaffold comprises cantilever profile steel, a connecting piece and a scaffold body, the connecting piece is provided with a leveling assembly which telescopically moves relative to the cantilever profile steel, and the leveling assembly abuts against the cantilever profile steel; and a limiting column and/or a supporting seat are/is arranged on the upper part of the connecting piece and used for limiting and fixing a supporting frame body. According to the cantilever scaffold, by adjusting the direction of the connecting piece after installation, the assembling deviation of the cantilever profile steel is offset, and the requirement for the assembling precision of the cantilever profile steel is low; and meanwhile, follow-up assembling of the scaffold body is facilitated, and the construction speed and the construction safety are greatly improved.

The invention discloses a fluid paste receiving tank capable of avoiding residues on inner wall and used for production of a donkey-hide gelatin blood replenishing paste, and relates to the technical field of donkey-hide gelatin blood replenishing paste production. The fluid paste receiving tank capable of avoiding the residues on the inner wall and used for production of the donkey-hide gelatin blood replenishing paste comprises a receiving tank body, wherein an opening is formed in the top of the receiving tank body, a toothed circular plate is arranged at the top of the receiving tank body, and a dust cover is fixedly installed at the top of the toothed circular plate. A second motor, a second rotating shaft, a transmission gear, first toothed rods and second toothed rods are matched for use, so that the two groups of first toothed rods and the second toothed rods move in opposite directions, the outer walls of two groups of U-shaped bent plates make contact with the inner wall of the receiving tank body; and through movable sleeves, springs, movable plugs and movable rods, the outer wall of the U-shaped bent plates can be fully and uniformly attached to the inner wall of the receiving tank body, so that the phenomenon that part of the outer walls of the U-shaped bent plates cannot be tightly attached to the inner wall of the receiving tank body is avoided, and the scraping efficiency of the donkey-hide gelatin blood replenishing paste on the inner wall of the receiving tank body by the U-shaped bent plates is improved.

An intelligent building monitoring device based on an Internet of Things terminal belongs to the technical field of Internet of Things, and aims to solve the problems that the sealing effect is poor, foreign personnel can enter a construction site by climbing an enclosing wall, a large amount of materials are accumulated and stolen difficultly, the anti-theft performance of the construction site to the materials is poor, the materials are easily reduced gradually, and the construction cost is low. And the normal progress of construction is delayed. When a foreign person is in an identity-free login state and does not fill out warehouse-out information, the total weight of materials sensed by the gravity sensing module is reduced, a switch of the alarm module is triggered immediately, and the alarm module gives out an alarm sound through the buzzer to warn a worker to check so as to enhance management of material inventory; by extending the telescopic rod, the supporting side box and the reserved jacking piece to move downwards as a whole and repeating pushing and pressing operation, the length of the telescopic rod is adjusted so that materials can be conveniently pushed layer by layer, a small amount of materials can be taken for multiple times, the material taking amount can be easily controlled, and waste is avoided.

The invention discloses a method for manufacturing an ultrasonic fingerprint sensing device and the ultrasonic fingerprint sensing device. The method comprises a step of pressing an ultrasonic sensorto a flexible circuit board through an anisotropic conductive film in an environment of 100 DEG C to 120 DEG C. The curing temperature of the anisotropic conductive film is less than 120 DEG C. According to the method and the device, the anisotropic conductive film with the curing temperature smaller than 120 DEG C is used to perform a grain soft board bonding technology to encapsulate the ultrasonic fingerprint sensing device, the encapsulation can be performed in a low-temperature environment, thus a condition that an ultrasonic sensor and the flexible circuit board are not tightly pressed caused by the deformation of an ultrasonic sensor in a high-temperature environment is avoided, and the working precision of the ultrasonic fingerprint sensing device is improved.

The invention provides a press-fit tool. The press-fit tool comprises a first mould and a second mould, wherein the first mould is used for supporting a workpiece to be pressed; the second mould comprises an elastic press-fit part; the elastic press-fit part comprises a press-fit surface and a peripheral side surface which surrounds the press-fit surface; the press-fit surface is used for pressingthe workpiece to be pressed; at least one hollow-out part is arranged on the press-fit surface; the hollow-out part at least partially penetrates through the peripheral side surface of the elastic press-fit part; and the hollow-out part is used for forming an air circulating channel while pressing the surface of the workpiece to be pressed by the press-fit surface. The invention provides the press-fit tool capable of improving press-fit efficiency for product press-fit.

The invention discloses a portable trolley device for logistics management. The portable trolley device comprises wheels, slide grooves and connecting rods, wherein a trolley body is mounted above thewheels; a pull rod is mounted at the lower part of the trolley body; limit holes are formed in each slide groove which is formed in the middle of the trolley body; a diagonal is mounted in the middleof each slide groove; a pin rod is arranged in each diagonal; an adjusting screw is mounted above the trolley body; a lock pin is mounted on the left side of the adjusting screw; a turn piece is mounted on the left side of the lock pin; limit grooves are formed in front and rear sides of the turn piece; fixed screws are arranged in the connecting rods which are located in the limit grooves. According to the portable trolley device for logistics management, the limit holes, the slide grooves and the diagonals are arranged, the lower parts of the diagonals can move along the horizontal centrallines of the slide grooves, the pin rods can fixedly connect the diagonals and the slide grooves through the limit holes, and the positions of the lower parts of the diagonals in the direction of thehorizontal central lines of the slide grooves are convenient to control.

The invention discloses a processing device for preventing inner plastic bag electrostatic adsorption. The device comprises a combination superposition work station, a combination superposition roll, a forming mechanism, a guide roll, a cylinder, an air gun, a traction roll, and a cutter. The combination superposition roll is mounted on the combination superposition work station, the forming mechanism is mounted behind the combination superposition work station, the guide roll is mounted at the front lower part of the forming mechanism, the cylinder is mounted at the lower part of the guide roll, the air gun having a hollow pin nozzle is mounted at the side of the cylinder, the traction roll is mounted on the forming mechanism, and the cutter is mounted at the side of the traction roll. According to the invention, a given amount of air is filled into the drum-like inner plastic bag to avoid close bonding of plastic films on two sides of the drum-like inner plastic bag under the electrostatic attraction.

The invention discloses an automatic sorting and peeling equipment for trifoliate orange food, and belongs to the technical field of agricultural product processing, the automatic sorting and peeling equipment comprises a sorting assembly, a heating assembly and a peeling assembly, the sorting assembly comprises a sorting table and a sorting part, and the sorting part is arranged at the front end of the sorting table; the heating assembly comprises a heating piece, a first conveying belt and a lifting belt; and the peeling assembly comprises an operation part, a peeling part and an extrusion part, the peeling part and the extrusion part are arranged at intervals in the circumferential direction of the operation part, and a conveying belt used for sorting the oranges is arranged beside the operation part. A sorting block is driven by a sorting air cylinder to push the oranges on the sorting table outwards and enable the oranges to fall onto sorting plates, the large oranges are blocked by the sorting plates, the small oranges enter a receiving box through gaps among the sorting plates, and the oranges are classified through the sorting plates, so that the situation that orange pulp is scratched by the peeling knife during peeling and juice flows out due to the fact that the difference of orange specifications is too large is avoided.

The invention discloses a novel intelligent ammeter monitoring device which comprises an ammeter terminal, an ammeter monitor terminal and a user terminal. The ammeter terminal comprises an ammeter housing, an ammeter processor, an ammeter GPS positioning module and an electric quantity measuring module. The ammeter housing is equipped with a wire protection guide sleeve, a wiring groove and an installation positioning guide groove. The ammeter monitor terminal comprises a remote monitoring processor, a general control GPS positioning module, an information sending module, a calling module and a displayer. When the bought electric quantity in an ammeter is consumed to a certain electric quantity, the remote monitoring processor sends the information to the user terminal through the information sending module; when the ammeter fails, the fault can be positioned quickly through the cooperation of the ammeter GPS positioning module and the general control GPS positioning module, so that maintenance personnel are allowed to determine the fault places in the shortest time conveniently, and carry out rush repairing in time; and the arrangement of the installation positioning guide groove and the wiring groove can guide wires to each place of the ammeter, so that installation can be done conveniently.

The invention relates to the technical field of communication equipment, in particular to an integrated compact disc collection box convenient to move which comprises a box body, wherein a box body inner cavity is formed in the upper end face of the box body in the vertical direction, handle grooves are formed in the left end face and the right end face of the box body, a rotating shaft groove is formed in the center of the bottom face of the box body inner cavity in the vertical direction, and a top plate is fixedly arranged on the upper end surface of the box body; a storage mechanism which comprises a storage disc rotationally arranged in the inner cavity of the box body; a transmission mechanism which comprises a gear rotationally arranged on the upper end face of the box body; a feeding mechanism which comprises a rotating disc arranged at the upper end of the rotating shaft in a sleeving mode, wherein the rotating disc is meshed with the gear; a clamping mechanism which comprises a positioning shaft groove formed in the lower end face of the rotating disc; and a cleaning mechanism which comprises a cleaning disc shaft paper cutting mechanism fixedly connected to the upper end face of the top plate. The problems that in the prior art, stacked optical discs are difficult to separate and topple over in the moving process are solved.

The invention discloses an ink bag provided with a magnetic sheet including an accommodating bag body used to accommodate ink and the magnetic sheet arranged on the accommodation bag body, and the invention further discloses an ink bag inner ink stock detection device of the ink bag provided with the magnetic sheet. The ink bag inner ink stock detection device further includes a loading frame usedto load the accommodation bag body, an output pipe group arranged on the loading frame and connected with the accommodation bag body, and detection parts arranged on the loading frame and located onthe lower side of the accommodation bag body and matched with the magnetic sheet and used to detect the ink stock in the accommodation bag body. According to the ink bag and the detection device, themagnetic sheet is arranged on the accommodation bag body, so that matched with an existing reed pipe, the ink stock in the accommodation bag body can be detected, the use effect that the stock ink inthe accommodation bag body can be simply and conveniently detected can be achieved, the production cost of a production enterprise can be greatly lowered, and the use cost of users can be further lowered greatly, so that the ink bag and the detection device have high practicability and adaptation.

The invention provides a concrete test block curing spacing isolation device and a using method thereof. The device comprises a curing frame; the curing frame comprises at least two sample curing plates which are vertically distributed; the sample curing plates are horizontally arranged; two longitudinal isolation bars which are parallel are arranged at the upper ends of the sample curing plates;sample placement areas with a sample placement positions are arranged between the two longitudinal isolation bars in sequence; and an isolation ball is hung between every two adjacent sample placementpositions through a lifting rope. The distance from the isolation ball to the sample curing plate under the isolation ball is smaller than the height of a sample; and the tops of the lifting ropes are fixed to the sample curing plates on the upper side so as to solve the problems that in an existing laboratory, especially in a field laboratory, test blocks are carried and placed totally dependingon man power, the labor intensity is high, and due to the influences of large work load and low personnel allocation, the test blocks are often closely attached face to face and placed in disorder tocause that the strength of a standard curing test block is not representative. The invention belongs to the field of concrete construction application.

The invention discloses a steel pipe necking machine, and relates to a necking device which can form a groove to facilitate insertion by means of necking through the extrusion of a profiling clampingblock and extrusion columns and is small in size and convenient to carry. The steel pipe necking machine is characterized in that one end of a stud is fixedly placed on the profiling clamping block; the other end of the stud extends upwards; a sliding supporting sleeve is placed on the stud in a sleeving manner and is close to the other end of the stud; a screwing sleeve is in screwed connection with the other end of the stud; a pressing and supporting sleeve is fixedly connected with the screening sleeve; the pressing and supporting sleeve fits the sliding and supporting sleeve; a plurality of circular holes are formed in a sliding and supporting block at equal angle; a plurality of driving rods are in one-to-one correspondence to the plurality of the circular holes; the other ends of thedriving rods penetrate through the circular holes and extend downwards close to the central line of the sliding and supporting block; a plurality of grooves are formed in the profiling clamping blockat equal angle; a plurality of the extrusion columns are distributed at equal angle along the central line of the profiling clamping block; the extrusion columns are corresponding to the grooves; andthe extrusion columns are correspondingly connected to the driving rods.

The invention relates to the technical field of e-commerce, and discloses a device used for automatically overturning a carton, pasting an adhesive tape at the joint and cutting off the adhesive tape and applicable to express packaging. The device comprises a conveying belt, the surface of the conveying belt is movably connected with a rotating disc, the axis of the rotating disc is movably connected with a reset mechanism, the surface of the rotating disc is fixedly connected with a pushing mechanism, the surface of the rotating disc is fixedly connected with an overturning mechanism, the surface of the rotating disc is movably connected with a sealing mechanism, and the surface of the rotating disc is movably connected with an air bag. The carton extrudes an inclined plate and drives the rotating disc to rotate, so that a tray lifts the carton; then the rotating disc rotates to drive a supporting plate to deflect, so that the carton is overturned; through rotation of the rotating disc and through cooperation with the connecting effect of a pull rod, a rotating roller is attached to the surface of the express carton, and then the carton is overturned to rub against the rotating roller to drive the rotating roller to rotate, the adhesive tape on the surface of the rotating roller is attached to the joint of the express carton, and when the rotating roller is separated from the carton, a cutting knife is pressed on the surface of the rotating roller to cut off the adhesive tape.