41results about How to "Improve lateral support" patented technology

An air displacement pipette having axially spaced annular sealing and substantially cylindrical lateral support zones and regions on the pipette's mounting shaft and tip, respectively, in combination with structure for insuring uniform depth of mounting shaft penetration into the pipette tip to maintain uniform tip interference with the mounting shaft as successive tips are mounted on and ejected from the mounting shaft whereby the pipette tip is easily and firmly mountable on and easily ejectable from the pipette tip mounting shaft by the application of axial mounting and ejection forces of about two pounds and one pound, respectively.

A method for installing a retrofit conversion kit for converting a door operating apparatus from overhead use to underground use and for operating a swinging door while protecting the door apparatus against moisture and dust encroachment within its underground location. A seal arrangement provides this contamination encroachment protection.

The invention relates to a device for protecting the feet of a driver and to be installed on the fire wall (7) of an automobile, wherein said device comprises a base (2) with a first step (3) on top in the X'X axis direction, the first step (3) defining a footrest and including a riser or first riser (30), the device being characterized in that the first riser (30) and the base (2) define a groove (20) adapted for receiving at least one pad of a pedal.

The invention discloses a front wheel hanging structure of an electric wheelchair. The front wheel hanging structure comprises a main wheelchair frame, a right front wheel, a right lower swing arm, aleft hanging electric pushing rod, a secondary wheelchair frame, a differential mechanism, a connecting frame, a left upper swing arm, a left damping spring, a left lower swing arm, a left front wheelsupporting frame, a left front wheel supporting frame, a left front wheel, a motor frame, a driving motor and a left transmission shaft; the connecting frame is firmly connected with the secondary wheelchair frame, the secondary wheelchair frame, the connecting frame, the left lower swing arm, a left upper connecting rod and the left front wheel supporting frame from a parallelogram mechanism; the left upper swing arm and the connecting frame form a revolute pair, the left damping spring is installed between the left upper swing arm and the left lower swing arm, and a left suspending electricpushing rod is installed between the connecting frame and the left upper swing arm; a connection structure between the right front wheel and the wheelchair frames is same with a connecting structurebetween the left front wheel and the wheelchair frame, the main wheelchair frame is firmly connected with the secondary wheelchair frame, the motor drives the rotation of the left front wheel and theright front wheel through the differential mechanism, and a lithium battery pack is installed in the main wheelchair frame. According to the front wheel hanging structure, not only can the comfort ofa user be ensured, but also the safety of the running is improved.

The application discloses a subway noise reduction vibration isolator, which includes an upper support plate (1) supporting the road slab and a lower base plate (2) arranged on the base concrete, the upper support plate (1) and the lower base plate ( 2) Arranged in parallel, between the upper support plate (1) and the lower bottom plate (2) there is a cushioning pressure-bearing component and a pressure-bearing guide component; the middle part of the pressure-bearing guide component is provided with a cavity, and the cushioning pressure-bearing component Set in the cavity in the middle of the pressure guide assembly. The invention has the advantages of improving the lateral support force of the rubber vibration isolator to the steel rail and the floating plate, and ensuring the supporting effect and the vibration isolation effect of the whole vibration isolator.

A positioning device of a segment demoulding device, which is arranged on the panel of a vacuum suction cup, includes a motor, a worm, a rotating support component, a positioning head, a positioning rubber sleeve, a fixing head, a fixing screw, a control device and a light sensor, wherein the positioning The head includes a flange in the middle and a cylindrical structure set on both sides of the flange. The cylindrical structure on one side is fitted into the rotating support component, and the outer side of the cylindrical structure on the other side is fitted with a fixed head and a fixed screw to fit the positioning rubber sleeve. , the light sensor will sense the bright-dark-bright process during each drawing process, and the control device detects the end of the drawing process through the light sensor, the control device controls the motor to rotate, and drives the positioning rubber sleeve to rotate at a fixed angle, The positioning device can change the force-bearing position of the positioning sleeve on the positioning head according to the number of times of use, and can regularly remind the replacement of the positioning sleeve that has reached the end of its service life.

The invention relates to a construction method capable of avoiding resonance damage. The construction method includes the steps that external scaffolds are constructed on the ground outside floors, internal vertical supports, beam formwork supports and floor supports are constructed among the floors, the external scaffolds, the vertical supports, the beam formwork supports and the floor supports jointly form an overall mesh supporting frame, arched mesh supporting structures are constructed between the upper layer floors and the lower layer floors of the overall mesh supporting frame, the arched mesh supporting structures are supported by a plurality of adjustable slant supporting frames, and the two ends of the plurality of slant supporting frames are installed on adjacent or diagonal vertical columns respectively. An overall arched mesh supporting system is simple in structure, easy to demount and mount, uniform in stress, and suitable for being popularized and applied to cast-in-place concrete beam, plate and column formwork erection processes, the quality of construction is obviously improved, production efficiency is improved, and the practical effect and the economic effect are good.

The invention discloses a stable cable clamp capable of adapting to different cable diameters, which belongs to the technical field of cable support clamps, and comprises a main support body and a side support body, and the side support body is fixedly installed on the side wall of the main support body. The interior of the main support body is horizontally fixedly installed with a horizontal frame, the interior of the main support body is rotated and installed with a stable positioning assembly, and the internal thread of the main support body is equipped with an adjusting stud; in the present invention, by There is a stable positioning component inside. During installation, the threads of the first positioning screw and the second positioning screw are automatically snapped into the locking holes on both sides of the structure in the installation area through the joint action, that is, the rapid installation and positioning of the overall structure is completed. Any other parts and accessories are used, and no installation tools are used, that is, the installation can be completed by direct alignment. At the same time, the multi-positioning structure can realize the multi-directional positioning function, improve the stability of the fixture, and ensure the stability of the installation cable. sex.

The invention relates to the technical field of wind blade production and transportation, in particular to a conveying device for wind blade production and processing, including a main support seat, an auxiliary support seat, a driving motor, an adjusting motor, a rotating motor, a hydraulic strut and an infrared distance sensor. A conveying device used in the production and processing of wind blades of the present invention is composed of a main support base and a secondary support base. A flip adjustment bracket is installed on the main support base. The flip adjustment bracket can limit the connecting end of the wind blade and cooperate with the The rotating motor can rotate and adjust the wind blades, so that the installation angle of the wind blades can be adjusted during the transportation process, which is convenient for cleaning and testing, and the functionality is greatly improved; the lateral support force of the wind blades is greatly improved, making it safe The utility model has better performance; the accuracy of adjusting the level is higher; people can adjust the distance between the main support seat and the auxiliary support seat according to the length of the wind blade, and the application range is wider.