1529results about How to "Effective clamping" patented technology

A communication device holder for vehicles includes an upper cover and a lower cover cooperating with the upper cover; a left wing member and a right wing member, which are horizontally displaceable, are disposed in between the upper cover and the lower cover; one end of the left wing member is formed with at least one clamping jaw, and the other end of the left wing member is formed with a horizontal rack; one end of the right wing member is formed with at least one clamping jaw, and the other end of the right wing member is formed with the horizontal rack and at least one raised portion, and the raised portion is connected with a post formed on the upper cover through a spring; the spring pushes the right wing member to displace towards the outside of the upper cover.

The present invention is directed to a semiconductor processing apparatus and a method for clamping a semiconductor substrate and controlling a heat transfer associated therewith. According to one aspect of the present invention, a multi-polar electrostatic chuck and associated method is disclosed which provides a controlled and uniform heat transfer coefficient across a surface thereof. The multi-polar electrostatic chuck comprises a semiconductor platform having a plurality of protrusions that define gaps therebetween, wherein a distance or depth of the gaps is uniform and associated with a mean free path of the cooling gas therein. The electrostatic chuck is permits a control of a backside pressure of a cooling gas within the plurality of gaps to thus control a heat transfer coefficient of the cooling gas. The plurality of protrusions further provide a uniform contact surface, wherein a contact conductivity between the plurality of protrusions and the substrate is controllable and significantly uniform across the substrate.

A vertebral fixing system comprising a connecting part with two longitudinal elements coupled to each other at a first end and having mutually facing recesses for receiving a rod. A portion of a flexible ligature extends through orifices of the two longitudinal elements to define a loop opposite two free ends of the flexible ligature. The two longitudinal elements are engaged at a second end of the connecting part via a locking means. When the two longitudinal elements of the connecting part are locked at the second end of the connecting part, two strands of the flexible ligature are pinched between the rod and a wall of the mutually facing recesses of the two longitudinal elements of the connecting part, preventing the flexible ligature from moving in translation relative to the connecting part.

A supporting structure for concurrently holding a plurality of cylindrical containers for substances for medical, pharmaceutical or cosmetic applications is provided. The supporting structure includes a supporting base having a plurality of receptacles, which are configured such that the containers can be inserted into the associated receptacles, wherein the receptacles extend in the longitudinal direction of the containers and are configured to hold side wall portions of the containers at least partially clamped. The receptacles are continuous side walls, wherein the opening widths of the receptacles can be adjusted by a coordinated adjustment of the side walls of the receptacles between a first position, in which the containers can be inserted into the receptacles, and a second position in which the containers are clamped. The bottoms or upper ends of the containers are exactly fixed at a given height despite tolerances.

The invention provides a nail taking device used in the orthopedics department. The nail taking device comprises a base, wherein a column is arranged on one side of the base, a height adjusting device is arranged on the column and is connected and arranged on a lifting plate above the base, two guiding shafts are fixed to the upper surface of the lifting plate, a motor fixing plate is arranged above the lifting plate and is in sliding fit with the guiding shafts, a lifting motor is fixed above the motor fixing plate and is connected with a first lead screw located below the lifting motor through a coupler, the first lead screw is matched with the lifting plate in a threaded mode, the lower end of the first lead screw penetrates through the lifting plate, and a pneumatic clamping mechanism is installed at the lower end. The nail taking device used in the orthopedics department is convenient to use, can clamp a screw and then rotatably pull out the screw and has the advantages of making nail taking convenient and being quick, convenient and efficient.

The invention discloses a full-automatic packaging machine. The full-automatic packaging machine comprises a stander, a driving device and a packaging executing device, wherein the driving device is arranged at the lower part of the stander, and the packaging executing device is arranged at the upper part of the stander; the packaging executing device comprises a driving disc, anchor arms, an anchor arm guide rail, stations and a transmission shaft; the number of the anchor arms is eight pairs, and the anchor arms are arranged at eight equal diversion positions of the driving disc in pairs; the anchor arms are glidingly connected with the anchor arm guide rail; the driving device drives the driving disc to rotate by the transmission shaft and drives the anchor arms arranged on the driving disc to slide on the anchor arm guide rail; and the number of the stations is eight, each station corresponds to a pair of the anchor arms, and the stations sequentially include a bagging station, a code printing station, a bag opening station, a rough filling station, a fine material supplementing station, a dust extraction station, an exhausting and heat-seal station and a cold-compacting reshaping station according to an anticlockwise sequence. According to the full-automatic packaging machine, the filling manner is simple and flexible, powders in different forms can be automatically adjusted, the dose precision and the filling speed of various materials are guaranteed, and the full-automatic packaging machine is simultaneously suitable for liquids, particles and irregular materials.

The invention discloses a catheter and guide wire control device for an interventional operation and a control method of the catheter and guide wire control device, belonging to the technical field of minimally invasive vascular interventional operations. The device comprises a clamping mechanism, a sleeve driving assembly and a brake braking assembly, wherein the clamping mechanism comprises a sleeve, a braking part and a clamping part, after the clamping part with a clamping end is mounted in the braking part, the braking part is in threaded connection with the sleeve, a notch is formed in one end, with the clamping end, of the clamping part, and the clamping end is in conical fit with the sleeve; the sleeve driving assembly is used for driving the sleeve to rotate; the brake braking assembly is used for clamping or loosening the braking part. With the method, a catheter or a guide wire can be clamped, pushed and twisted, and force measurement also can be realized; the efficient, accurate and nondestructive clamping and loosening for the guide wire and the catheter can be realized, and the catheter and the guide wire can be cooperatively operated.

The invention discloses a positioning fixture for testing of a digital tube display screen. The positioning fixture comprises a base; the top of the base is fixedly connected with a bottom plate; fixed plates are respectively and fixedly connected to the two sides of the top of the bottom plate; a sliding groove is formed in the center of the surface of the top of the bottom plate; the two sides of the top of an inner cavity of the sliding groove are respectively connected with a sliding plate in a sliding way; the tops of the sliding plates are respectively and fixedly connected with a sliding block. The positioning fixture is provided with the bottom plate, the sliding plates, the sliding groove, a sliding rod, the sliding blocks, turn plates, the fixed plates, clamping plates, fixture blocks, movable sleeves, screw rods and fixed rods which are used cooperatively, thus being capable of effectively clamping digital tube display screens with different sizes; therefore, the use effectof the positioning fixture is better, and the problem that the positioning fixture cannot be adjusted effectively according to the sizes of the digital tube display screens when in use, and the positioning fixture can only clamp the digital tube display screen with a certain size, so that the positioning fixture is poorer in clamping effect can be solved.

A universal fixture for ultrasonic cleaning to film coated substrate is composed of sliding and fixed rectangular frames with 4 holes at 4 corners, 4 slide rods inserted in said 4 holes, several clampers, and several water-through supporting rods.

The invention relates to a novel functional flexible clamp and an application method thereof. The clamp is characterized in that the clamp comprises a positioning and clamping groove which is used for positioning and clamping parts, a cleaning and recycling groove which is used for cleaning cutting dust and recycling magneto-rheological liquid and a clamp base; the clamp base is used for fixedly installing the positioning and clamping groove and the cleaning and recycling groove, fixed connections between the clamp and all types of machine tool platforms are achieved, and the clamp base comprises a connection baseplate, electromagnets and permanent magnets; the connection baseplate is of a tabular structure which has a flat bottom surface and a protrusion on the middle of the upper surface, U-shaped grooves which are used for achieving the fixed connections between the clamp and all types of the machine tool platforms of are symmetrically formed in the left side and the right side of the connection baseplate, and a plurality of connection through holes which are used for fixing the positioning and clamping groove and the cleaning and recycling groove are formed in the middle of the connection baseplate; a plurality of grooves are evenly formed in the protrusion on the middle of the upper surface of the connection baseplate in the length and width directions of the connection baseplate, and communication grooves which are used for arranging electromagnet cables are formed among the grooves.

The invention discloses a precise indexing clamp special for turning, and belongs to clamps special for turning in the technical field of machining equipment. According to the precise indexing clamp special for turning, multipoint stress is achieved, and the clamp is suitable for clamping workpieces of multiple sizes. According to the technical scheme, the clamp comprises a clamp body, and a cross sliding groove is formed in the clamp body; a clamping jaw is arranged in each sliding groove body of the cross sliding groove, and a clamping jaw drive mechanism is arranged on the back face of the clamp body and comprises a large conical gear and a plurality of sets of lead screws; the large conical gear is mounted on the clamp body, and each lead screw is arranged at the position corresponding to the position of the corresponding clamping jaw; the lead screws are sleeved with threaded holes of the clamping jaws, and are in threaded connection with the clamping jaws; and a small conical gear is arranged on one side, close to the large conical gear, of each lead screw, and the small conical gears on the lead screws are meshed with the large conical gear. The precise indexing clamp is suitable for being used in turning.

The invention discloses a handicraft polishing and polishing device which is convenient for positioning, which comprises a fixed frame and a workbench. A grinding cover is fixedly connected to the lower end of the grinding cover, and a grinding roller is arranged inside the grinding cover. The limit rod is fixed on the upper end of the fixed frame. A pull rod is connected, the outer wall of the pull rod is sleeved with a spring, and the end of the pull rod is fixedly connected with a movable rod, the upper end of the movable rod is fixedly connected with a fixed block, and the outer wall of the fixed block is symmetrically provided with connecting rods, The end of the connecting rod away from the fixed block is rotatably connected with a clamping block. The invention is simple in structure, easy to operate, can effectively locate handicrafts, has good clamping effect, and avoids damage during polishing.

The invention discloses a rock disturbance generating mechanism, which comprises a first vertical plate and a third vertical plate. A second guide rod is fixed between the first vertical plate and the third vertical plate, and the second guide rod passes through a driving frame; a driving screw rod passes through the driving frame, the first vertical plate and the third vertical plate and is in screwing assembling with the driving frame through thread; the driving screw rod passes through one end of the third vertical plate and is connected with the output shaft of a loading motor; an impact plate can slide on the first guide rod; the back of the impact plate is provided with an impact disc, one end surface is connected and fixed with one end of an impact guide rod; the impact guide rod is sleeved with an impact spring, and the other end of the impact guide rod is provided with an impact guide end; an automatic loading mechanism is arranged on the driving frame; the bottom part of the loading motor is provided with a motor supporting plate; one end of an impact shaft is provided with a peripheral mounting head, the other end passes through the first vertical plate, and the end, passing through the first vertical plate, is provided with an auxiliary impact disc; and the impact shaft is connected with the loading shaft through a connection shaft assembly. The invention also discloses a relaxation-disturbance integrated experiment device applying the above rock disturbance generating mechanism.

The invention relates to a silicon rod glue joint machine with a single clamping bracket which comprises a silicon rod clamping mechanism. Two adjusting screws are symmetrically arranged on a locating block, and a distance between the two adjusting screws is 30-100cm. The silicon rod clamping mechanism can stably support a silicon rod only by placing the gravity center of the silicon rod to be adhered between the two adjusting screws. Compared with the prior art, an adjusting distance between a left slide carriage and a right slide carriage is further reduced only by the silicon rod clamping mechanism; and as long as the length of the silicon rod to be adhered can satisfy the clamping of a three jaw chuck and the silicon rod can be placed on the silicon rod clamping mechanism, the silicon rod can be effectively clamped, and adhesion of the silicon rod with a crystal base can be ensured. The silicon rod adhesive machine is enabled to have more compact structure, is more convenient to operate, and can effectively adhere the silicon rod with smaller liner dimension, and the silicon rod which cannot be subjected to normal cutting and slicing processing can be fully utilized.

The invention discloses a suspension bridge steel wire rope damage patrolling robot. The suspension bridge steel wire rope damage patrolling robot comprises a base, a patrolling device arranged on the base and conducting patrolling on suspension bridge steel wire rope damage, and a control device controlling the patrolling device. The process for patrolling a steel wire rope includes the steps that firstly, the patrolling device is installed; secondly, the patrolling robot conducts patrolling on the suspension bridge steel wire rope; thirdly, after the robot finish patrolling, the robot returns to the initial end of the suspension bridge steel wire rope; fourthly, the first step, the second step and the third step are repeatedly conducted many times; and fifthly, damage state data are obtained. The suspension bridge steel wire rope damage patrolling robot is novel and reasonable in design, low in using cost, easy to operate, good in safety and capable of conveniently and rapidly finishing the suspension bridge steel wire rope damage patrolling operation; through the arrangement of the control device, a user remotely controls the patrolling robot to conduct high-altitude detection through a wireless remote control transmitter, and safety hidden danger of workers during high-altitude operation is avoided; and design is ingenious and reasonable, reliability and stability are achieved, the size is small, and practicability is high.

The invention relates to an automatic turret-type nozzle replacing device of a laser cutting machine, in particular to an automatic turret-type nozzle replacing device which is simple in structure, convenient and rapid for replacing a nozzle and capable of increasing the working efficiency. The laser cutting machine comprises a worktable, a cutting head and a nozzle, wherein the nozzle is detachably connected onto the cutting head; and any corner of the worktable is provided with the automatic nozzle replacing device, and the automatic nozzle replacing device comprises a turntable, a nozzle receiving component, a box body, a transmission shaft, an elevation air cylinder and a gear transmission mechanism. The automatic turret-type nozzle replacing device is unnecessary to operate by an operator, especially under an automatic running mode, so that the non-production time is shortened, the working efficiency is increased, and the cost is saved.

The invention provides a method for quickly preparing a double-mounting plate blade. The method comprises the specific technological processes of (1) processing upper and lower technological tables: one technological table is processed at each of the upper and lower ends of a blade blank, the upper technological table is connected to a blade tenon or the outer side surface of an upper mounting plate, and the lower technological table is connected with the outer side surface of a lower mounting plate of the blade; (2) designing a clamping structure with the upper and lower technological tablesadopted as a datum; (3) carrying out rough/finish milling on the mounting plates and a blade body profile with the upper and lower technological tables adopted as the datum; (4) polishing the blade body profile; and (5) removing the upper and lower technological tables of the blade. According to the method, the problems that during conventional machining for complex-structure blades of an air compressor, the technology is complex, clamping is difficult, precision is hard to guarantee, procedures are long, quality efficiency is low, and the like, are solved.

The invention relates to a feeding type automatic lotus root slicing machine, in particular to novel lotus root processing equipment. The feeding type automatic lotus root slicing machine consists of a frame, a lotus root conveying unit, a lotus root clamping unit, a lotus root slicing unit and a lotus root slice collecting unit, wherein the lotus root conveying unit and the lotus root clamping unit are embedded together; and the lotus root clamping unit is contacted with a conveying belt on the lotus root conveying unit through a roller on a pressurizing chuck, so that processed lotus roots can be smoothly fed in the lotus root slicing unit through the lotus root conveying unit. The lotus root slicing unit is positioned at the tail end of the lotus root conveying unit; and the lotus root slice collecting unit is positioned rightly below the lotus root slicing unit. The feeding type automatic lotus root slicing machine adopts the pressurizing chuck to perform the point clamping for the lotus roots through flexible transition of the conveying belt, the lotus root conveying unit and the lotus root clamping unit are embedded together, and the lotus root conveying unit and the lotus root slicing unit are linked, so that the structure is compact, and the stability is enhanced; and all the component units of the whole machine are higher in working coordination degree, facilitate automatic production control, are excellent in use effect, and are strong in practicability.