52results about How to "Increase support length" patented technology

A wheel with a suspension system being connectable to a vehicle, like a wheel chair. The wheel includes a hub and a rim rotatable about the axle of the hub. Between the hub and the rim, a number of support members is located. The support members are adapted to retain the distance when stressed up to a threshold value and recoverly alter the distanced when stressed over this threshold value. Exemplary support members are spring elements, damping strokes by compression if the support member is compressed or elongated. The spring elements may be preloaded.

The invention relates to support means, which is for supporting a lateral conveyor adapted for mounting upon a mobile chassis, including a tail section, middle section and at least one head section having pivot points related to the conveyor frame separating said sections from each other. The support means includes a variable length mounting arm comprising at least first and second sections and first and second ends, and means for locking the length of the mounting arm into at least one fixed length corresponding to the length of the conveyor in use. The first end is fixed immobile in relation to the mobile chassis and the second end is fixed immobile in relation to the head section of the conveyor. Also, the support means is configured to provide at least three kinematic pairs, a first kinematic pair being formed by the first section and the mobile chassis, a second kinematic pair is formed by the first and second sections, and the third kinematic pair is formed by the second section and the head section of the conveyor and is provided by a joint, the support means being further configured such that the first, second and third kinematic pairs respectively provide for two, one and three degrees of freedom of movement.

The invention discloses a flexible display screen and a manufacturing method thereof. The middle of the top end of a machine base is fixedly connected with a positioning cutting mechanism, the other side of the top end of the machine base is fixedly connected with a power conversion and grinding mechanism, and the middle of the machine base is rotationally connected with an adsorption fixing and moving mechanism; The adsorption fixing and moving mechanism comprises a conveying belt, a driving motor, a mounting base, an embedding groove, a movable plate, a supporting spring, a suction cup and arubber plate. The flexible display screen is scientific and reasonable in structure and safe and convenient to use, the adsorption fixing and moving mechanism is arranged, glass is adsorbed and fixedthrough the suction cups, the stability of the glass is improved, loss caused by falling of glass in moving machining process is avoided. The movable plug plate is driven to slide in the suction cupthrough cooperation of the rubber plate and the connecting rod in the glass adsorption process, and meanwhile the movable plug plate extrudes air pressure in the suction cup due to the fact that the movable plug plate is attached to the interior of the suction cup.

The present disclosure relates to diagnostic test devices that provide increased comfort and ease of use. The diagnostic test device can include a test member, such as a lateral flow assay test strip. The test device can further comprise a housing that comprises a substantially arch shaped handle. The housing of the test device can comprise a base member that is attached to a curved lower surface of the housing and that can improve stability of the device in an upward facing position as well as enable angled positioning of the device relative to a flat, horizontal surface. The curvature of the test device in particular can provide secure handling of the device while also improving ease and comfort of use thereof. The disclosure further relates to methods of determining the presence of an analyte in a fluid sample and methods for evaluating a test result of a personal use diagnostic test device.

The invention discloses a masonry structure integrity reinforcing method. In the method, an end reinforcing member is arranged at the junction between a floor and a wall surface; an upper end reinforcing member is arranged at the top of the wall, and a lower end reinforcing member is arranged at the bottom of the wall; when a ring beam exists, the upper end reinforcing member is not necessary, and a wall end reinforcing member is arranged at the junction of two walls; when a constructional column exists, the wall end reinforcing member is not necessary, a plate bottom reinforcing member is arranged at the bottom surface of the floor and is in cross connection with the upper end reinforcing member, and a wall surface reinforcing member is arranged on the wall surface and is in cross connection with the end reinforcing member; the upper end reinforcing member is connected with the wall surface reinforcing member, the plate bottom reinforcing member and the wall end reinforcing member; the lower end reinforcing member is connected with the wall surface reinforcing member and the wall end reinforcing member; and the upper end reinforcing member, the lower end reinforcing member, the wall end reinforcing member, the wall surface reinforcing member and the plate bottom reinforcing member are connected in a whole. Compared with the traditional reinforcement, the reinforcement of the floor and the reinforcement of the wall surface are connected with each other, the structural integrity is better, and the construction is simple and convenient and free from the influence of ambient temperature.

The invention relates to a bearing unit for supporting a transmission shaft, which comprises an inner ring, an outer ring, a sealing member, and tapered rollers; two tapered rollers are respectively disposed between the inner ring and the outer ring; the inner ring has a fission structure; the outer ring has an integrated structure; a sealing member is disposed between the outer ring and the inner ring. The invention also relates to a gear reducer which mainly comprises a casing, a transmission shaft, a driving bevel gear, and a driven bevel gear; the transmission shaft is mounted on the casing through the bearing unit; the outer transmission shaft of the bearing unit is equipped with a retaining locking nut. The reducer improves the stability in bevel gear operation, changes traditional assembling methods for obtaining a required bearing clearance by replacing a shim and repeatedly adjusting, omits clearance adjustment, greatly improves the manufacturability and reliability of reducer assembling, reduces complicated process flow for original assembling, and improves production efficiency. In addition, the invention also has the advantages of compact structure, easy mounting and dismounting, and the like.

The invention provides a work arm and an engineering machine. The work arm comprises a telescopic arm and a pipeline guiding device, wherein the pipeline guiding device comprises multistage guide rails, a pipeline box, a drag chain and a drag chain guiding groove, wherein the multistage guide rails are arranged on the telescopic arm along the extending direction of the telescopic arm and comprisemulti-section tracks which are sequentially and telescopically connected; the first-section track in the multi-section track is connected to a basic arm of the telescopic arm; the pipeline box is connected to the tail-section track of the multistage guide rails along the extending direction of the telescopic arm; the first end of the pipeline box is connected with an arm head of a tail arm sectionof the telescopic arm; the first end of the drag chain is connected to the second end of the pipeline box; the drag chain guiding groove is arranged on the basic arm along the extending direction ofthe telescopic arm and is used for bearing the drag chain; the second end of the drag chain is connected to the first end, away from the arm tail of the telescopic arm, of the drag arm guiding groove.The work arm and the engineering machine with the work arm disclosed by the invention have the advantages that the length of the pipeline box is favorably reduced, overall dimension of the pipeline guiding device is reduced, the interference risk of the pipeline guiding device and other structures is reduced and application range is wider.

The invention relates to an in-time supporting device for a fully-mechanized coal mining machine, comprising a pedestal, a top beam, a hydraulic upright post which connects the pedestal and the top beam, side frames which consist of four link mechanisms, and a telescopic connecting beam and a hydraulic cylinder which are hinged between two side frames. The invention adopts the technical key pointsthat: top beams of the side frames adopt front top beams or continuous top beams; the side frames which are arranged in parallel and provided with the front top beams or the continuous top beams arehinged into a front support or a continuous support through an arched beam or a horizontal beam; shun beams are arranged on the arched beam or the horizontal beam at intervals; belt guard beams or telescopic shun beams are arranged between adjacent shun beams. The in-time supporting device for the fully-mechanized coal mining machine effectively solves the problems in the prior art of lagged supporting means, difficult frame movement, requirement of stop operation, low efficiency and so on, is reasonable in structural design, stable in supporting operation, convenient in assembly and disassembly and maintenance, and safe and reliable in use, preferably meets the requirements of matched operation of underworkings and the fully-mechanized coal mining machine, realizes in-time mechanical support of a just exposed roof of a tunneling work surface of a laneway, and shields the fully-mechanized coal mining machine to realize continuous operation.

The invention provides a wind power blade web plate, a wind power blade and a die for preparing the wind power blade web plate. The wind power blade web plate comprises a suction face adhesion sectionadhering to a blade suction face, a pressure face adhesion section adhering to a blade pressure face, and a connection hook face section arranged between the suction face adhesion section and the pressure face adhesion section, and the hook face of the connection hook face section is arranged along the bending trajectory of the rear edge of the blade. The wind power blade comprises a blade shelland the wind power blade web plate, the wind power blade web plate is supported in an area on the rear edge inside the blade shell, and the connection hook face section of the wind power blade web plate is parallel to the rear edge of the blade shell. The die for preparing the wind power blade web plate comprises a bent bottom plate, a suction face baffle and a pressure face baffle, the hook faceof the bent bottom plate is arranged along the bending trajectory of the rear edge of the blade, and the suction face baffle and the pressure face baffle are oppositely arranged on the upper surface of the bent bottom plate. The advantages that the blade baring capacity is high, and safety and reliability are high are achieved.

A drying assembly for mounting to a wall, the assembly comprising: (a) an elongate mounting member; (b) an elongate support member hingeably coupled to an upper end of the mounting member for disposition between a storage position in which the mounting member and the support member are aligned parallel and an open position in which the support member extends outwardly from the mounting member to provide a continuous length for supporting clothes; and (c) a brace that is operable to retain the members in the open position; and wherein the support member has a profile that defines a volume that conceals the brace and the mounting member in the storage position and that includes a reinforcing web enabling connections with the brace and the mounting member to be concealed.

The invention discloses electronic equipment, which comprises a first equipment main body, a second equipment main body, a rotating mechanism and a flexible display screen, and is characterized in that the flexible display screen comprises a first display screen, a second display screen and a third display screen; the first equipment main body is rotationally connected with the second equipment main body through the rotating mechanism; the first display screen is connected with the second display screen through the third display screen; the first equipment main body is connected with the first display screen, and the second equipment main body is connected with the second display screen; the rotating mechanism comprises a rotating shaft and a transmission device; the rotating shaft is connected with at least one of the first equipment main body and the second equipment main body through the transmission device; under the condition that the electronic equipment is switched from the folding state to the unfolding state, the rotating shaft drives at least one of the first equipment main body and the second equipment main body to be far away from the rotating shaft through the transmission device; when the electronic device is switched from the unfolding state to the folding state, the rotating shaft drives at least one of the first device body and the second device body to be close to the rotating shaft through the transmission device.

Provided is a shock absorber, comprising an oil storage cylinder (13), a working cylinder (14), a piston rod (6), a guiding and sealing assembly used to guide the movement of the piston rod (6), and an expansion and circulation valve assembly and a compression and compensation valve assembly provided on a piston (16). The guiding and sealing assembly comprises a guide seat (27, 29) and an oil seal (34) located at the upper end of the guide seat. The face of the upper end of the guide seat (27, 29) is formed with an oil storage groove, and the oil storage groove has an oil-air separation contact surface (35). An elastic separation lip (36) is formed on the oil seal (34) and the elastic separation lip (36) is in airtight contact with the oil-air separation contact surface (35) such that the oil storage groove is separated into an outside part and an inside part. Moreover, further provided are a vehicle suspension system and a vehicle comprising the shock absorber. The piston rod of the shock absorber has good movement stability, the friction between the piston and the inner wall of the working cylinder is low, and the shock absorber has a long service life and has significantly improved dampening effects.

The invention discloses a masonry structure integrity reinforcing method. In the method, an end reinforcing member is arranged at the junction between a floor and a wall surface; an upper end reinforcing member is arranged at the top of the wall, and a lower end reinforcing member is arranged at the bottom of the wall; when a ring beam exists, the upper end reinforcing member is not necessary, and a wall end reinforcing member is arranged at the junction of two walls; when a constructional column exists, the wall end reinforcing member is not necessary, a plate bottom reinforcing member is arranged at the bottom surface of the floor and is in cross connection with the upper end reinforcing member, and a wall surface reinforcing member is arranged on the wall surface and is in cross connection with the end reinforcing member; the upper end reinforcing member is connected with the wall surface reinforcing member, the plate bottom reinforcing member and the wall end reinforcing member; the lower end reinforcing member is connected with the wall surface reinforcing member and the wall end reinforcing member; and the upper end reinforcing member, the lower end reinforcing member, the wall end reinforcing member, the wall surface reinforcing member and the plate bottom reinforcing member are connected in a whole. Compared with the traditional reinforcement, the reinforcement of the floor and the reinforcement of the wall surface are connected with each other, the structural integrity is better, and the construction is simple and convenient and free from the influence of ambient temperature.

The invention relates to a guide ring overwelding seam large-cylinder bottom double-telescopic upright column. The telescopic ratio of the double-telescopic upright column is effectively enhanced through a guide ring overwelding seam structure and a method for increasing the spheric radius of the bottom of an outer cylinder; the safety of the double-telescopic upright column is effectively enhanced by adding a bypass safety valve to the double-telescopic upright column; and the guide ring overwelding seam is realized by adopting an interference avoidance structure without processing after a cylinder bottom and a cylinder barrel are welded, thereby the processing process is simplified and the maintenance of a cylinder body is facilitated in the using process; and in addition, the invention is especially suitable for a low-coal-seam hydraulic support and a hydraulic support which has lower support efficiency caused by insufficient telescopic ratio of the double-telescopic upright column.