38results about How to "Improve clamping firmness" patented technology

The invention provides an auxiliary tool for assembling the outer frame of a computer liquid crystal display, which relates to the technical field of liquid crystal display production and processing, and includes a bottom support plate, the top of which is provided with a side support rib standing upright on the top of the bottom support plate , the top of the side support ribs is provided with a horizontally fixed top support plate, the top of the top support plate is fixedly installed with a pneumatic cylinder, and the pneumatic cylinder protrudes downwards with a piston rod, and the bottom of the piston rod A square block-shaped pressing block is provided at the end, and a raised pressing pad is provided at the bottom of the pressing block; the present invention is supported by a supporting column so that the bottoms of the clamping frames on both sides are fixed horizontally, and through the The protruding block on the top of the clamping frame clamps the two sides of the display screen equipped with the back shell, so that the display screen equipped with the back shell is installed and fixed on the clamping frames on both sides, and the display screen equipped with the back shell is improved. clamping firmness.

The invention discloses a solenoid valve group assembly auxiliary device, which relates to the technical field of solenoid valve assembly devices; in order to realize reliable assembly of the valve core; it specifically includes a base and a clamping mechanism installed on the base, and the outer wall of the top of the base is installed through a bracket. Positioning slider, the inner wall of the positioning slider is slidably connected with a positioning slider. The inside of the positioning slider is a hollow structure, and one end of the positioning slider is provided with a circular platform-shaped notch. The end of the positioning slider located in the positioning slider is far away from the positioning slider. A spring is arranged between the inner walls on one side of the positioning slide bar. The present invention can assemble the valve core in the valve body under the guidance of the circular truncated notch of the positioning slide rod by setting the splint, the clamping screw and other structures. Ensure that the positioning slide rod is always placed in the spool assembly hole in the valve body shell of the solenoid valve, and can detect the smoothness of the spool movement by pushing the spool after assembly.

The invention provides a rubber product manufacturing bonding process, which relates to the technical field of rubber product production and processing. The rubber product manufacturing bonding processing process is completed by a rubber product manufacturing bonding processing device. The rubber product manufacturing The bonding processing device includes a workbench, the bottom of the workbench is provided with four equally spaced and fixed support legs, the top of the workbench is provided with a support rib standing upright on the top of the workbench, and the front end of the support rib is installed with The top supporting plate parallel to the top of the workbench, the middle part of the supporting rib plate is provided with a through chute; the present invention rolls the sealing steel ball on the bonding surface of the rubber rod, so that the rubber pen is glued to the bonding surface of the rubber rod The glue is applied evenly, and the sealing steel ball is elastically supported by the sealing spring, so that when the top of the floating glue rod is separated from the bonding surface of the rubber rod, the glue in the injection chamber is sealed to prevent excess glue from leaking out of the injection chamber .

The invention provides a processing equipment for sizing grid strips of house construction, which relates to the technical field of house construction. There are multiple rows of circularly moving rollers, and the rollers in two adjacent rows are arranged at equal intervals, wherein, the two ends of each roller are mounted on the roller bracket through bearings, and the bottom of the roller bracket located at the two ends of the roller It is fixed on the transmission belt, and driving rollers are installed at both ends of the inner ring of the transmission belt; in the present invention, the cutting piece is driven to rotate by the No. 3 motor, and the No. 3 motor is fixedly installed on the motor support plate, and the motor support plate is driven by a threaded screw. Rotate, control the protruding length of the motor support plate on the motor support seat, adjust the working position of the cutting piece, so that the processing equipment of the present invention can process building grid strips of different lengths in batches.

The invention discloses a method for laying and installing long-distance oil and gas pipelines, and relates to the technical field of building construction. The method for laying and installing long-distance oil and gas pipelines specifically includes the following steps: S1. Excavating foundation pits: excavating on the ground For the foundation pit for laying oil and gas pipelines, the opening of the foundation pit faces upwards, and the wall of the foundation pit is perpendicular to the bottom of the foundation pit; S2. Installing the base: place the foundation pit for supporting the oil and gas pipelines in the foundation pit that has been excavated in step S1. Base, place multiple bases, and fix the two adjacent bases at equal intervals on the bottom of the foundation pit; S3, pipeline placement: place multiple oil and gas pipelines near the foundation pit that has been excavated in step 1 , place the oil and gas pipeline parallel to the foundation pit. In the present invention, a number of equidistant threaded holes are provided on the top of the support base, so that the distance between the support ribs on both sides of the top of the support base can be adjusted, which is convenient for adaptive adjustment according to the different diameters of oil and gas pipelines .

The invention discloses a fixture for mirror polishing of a metal middle frame. The structure includes a mounting frame, a propulsion block, a supporting bottom plate, and a clamping mechanism. The clamping mechanism, the push rod drives the moving clip to move, and the arc surface of the moving clip reduces the gap with the fitting surface of the outer end of the middle frame of the tablet, and the airbag membrane bulges to protect the outer end of the middle frame of the flat panel, improving the The clamping firmness on the outside of the middle frame of the flat plate is protected at the same time. Through the torsion rotation of the torsion shaft, the connecting rod rotates in an arc around the center end of the torsion shaft. The extrusion of the top spring increases the friction between the rubber strip and the inside of the middle frame of the tablet, ensuring that the clamping force is applied to the inner side of the middle frame of the tablet, and avoids the deviation of the middle frame of the tablet during the polishing process.

The invention discloses a handling robot, the structure of which comprises a transmission belt, a motor, a support arm, a clamping hand, a rotating shaft, and a robot host. Stretch out the inside of the supporting plate shaft to support the center of the wafer, reduce the friction on the wafer, transport the wafer through the support arm, transport it to the detector, and use the electromagnetic block to absorb the adsorption block. Make the sliding axis at an inclined angle, so that the wafer falls on the inspection machine at an inclined angle inside the limit interference frame to prevent the thinner wafer from breaking. Through the conduction of the conduction tube, it is ensured that the airbag film inside each fixed ring is evenly bulged, so as to support the outer bottom of the wafer, reduce the friction on the surface of the wafer, and reduce the impact on the surface of the wafer. wear and tear.

The invention discloses an instrument panel production butt joint assembly equipment, which relates to the technical field of mechanical production and processing. The instrument panel production butt joint assembly equipment includes a bottom support plate, and the bottom support plate is fixed horizontally, so the rear side of the top of the bottom support plate is arranged There are side support ribs upright and fixed on the top of the bottom support plate, the top of the side support ribs is provided with a horizontally fixed top support plate, and a pneumatic cylinder is installed on the top of the top support plate, and the air cylinder moves toward the bottom A piston rod protrudes from the end, and a fixed frame is fixed at the bottom end of the piston rod. In the present invention, the pneumatic cylinder pushes the lower fixed frame to carry out linear lifting movement. When the instrument is docked and assembled on the instrument panel shell, the fixed sleeve moves downward through the shock absorption and buffering of the spring, and presses the ejector rod protruding from the top of the instrument fixture. Push the ejector rod downward to pop up, and press the corners of the outer circle of the instrument assembled on the instrument panel shell twice, so that the instrument docking assembly on the instrument panel shell is more firm and reliable.

The invention discloses far-distance oil-gas pipeline laying installation and construction equipment. The equipment comprises a plurality of lock catches fixed to one side of a foundation pit and a plurality of rollers mounted on the other side of the foundation pit. The two ends of each roller are provided with shaft levers. The shaft levers at the two ends of the rollers are mounted on a rack through bearings. The rack is fixed to the ground close to the foundation pit. The two adjacent rollers are fixedly connected through a coupling, a first chain wheel is mounted at the top end of the corresponding shaft lever of one roller, a servo motor is mounted on the ground close to the first chain wheel, a second chain wheel is mounted at the top end of an output shaft of the servo motor, and the second chain wheel is in driving connection with the first chain wheel through a chain. According to the far-distance oil-gas pipeline laying installation and construction equipment, the top end ofa supporting base is provided with a plurality of equidistant threaded holes so that the spacing between supporting rid plates on the two sides of the top end of the supporting base can be adjusted,and the far-distance oil-gas pipeline laying installation and construction equipment can be adjusted adaptively according to different diameters of oil-gas pipelines.

The invention provides a high-temperature compression yield strength test method for materials, which uses a creep testing machine and a compression fixture to perform a high-temperature compression loading test on the material. The compression fixture includes upper and lower clamping parts and is used to connect between the upper and lower connectors of the creep testing machine Between the commutator, the commutator includes the upper and lower pressure blocks, and there is a distance between the upper and lower pressure blocks along the tensile direction of the creep testing machine for installing the sample, and the distance value can be Adjustment, the upper and lower pressure blocks use triangular prism-shaped positioning holes to cooperate with the clamping parts to clamp and fix the sample in the radial direction of the sample. The method of the present invention thickens the diameter of the rod-shaped sample and delays The time for obvious bending ensures the safety of the test machine and the operation process, and changes the end of the sample from a threaded structure to a smooth cylindrical structure, which enhances the clamping firmness of the sample and reduces the time required for processing the sample to the finished product. The steps that go through can also enhance the centering of the specimen.

The invention discloses an irregular casting clamping device for casting production, comprising a base, the top of the base is provided with a base, the top of the base is fixedly connected with a fixing ring by bolts, the top of the base is close to A motor is fixedly connected to one side of the base by bolts, and one end of the motor is connected to a rotating cylinder through a pulley set transmission, and a first gear ring is arranged on one side of the outer wall of the rotating cylinder. The clamping device for irregular castings used in the production of castings can make all-round contact with the surface of irregular castings through multiple moving clamping columns, so as to ensure that it can provide multi-directional support force and extrusion force for irregular castings, and then Effectively clamp irregular castings, and effectively improve the clamping firmness of the clamping device for irregular castings. The clamping column that squeezes the irregular castings can be fixed by the moving ring that moves towards each other, thus ensuring the clamping force. Avoid the problem that the clamping column loosens and moves and loses the clamping force.

The invention provides a method for laying and installing an urban rail transit line track, which relates to the technical field of track construction. The urban rail transit line track laying and installation device includes a support assembly, a laying device and a pre-locking fastener, and two parallel steel rails The ends are supported by supporting components, so that the bottoms of the two parallel rails are suspended, the pre-locking fasteners are pre-installed and fixed on the sleepers, the laying device is installed on the two parallel rails, and the sleeper is plugged when the laying device is walking above the rails. into the bottom of the rail, and the rail is pre-fixed by the pre-locking fastener; the pre-locking fastener of the present invention is provided with an inclined guiding hypotenuse through the top of the fan-shaped plate, so that when the sleeper is extended into the bottom of the rail, Guided by the guide slope of the fan-shaped plate, it is easier to place the sleeper under the rail accurately.