50results about How to "Increase or decrease in size" patented technology

The invention discloses an energy feedback shock absorber with damping stiffness changing along with a road condition. The energy feedback shock absorber adopts a combined piston structure, through the combination of a first bent circuit throttle oil way and a second bent circuit throttle oil way, oil liquid in the upper cavity of a cylinder barrel is connected with a hydraulic system through the first bent circuit throttle oil way and the first oil way of a piston rod, oil liquid in the lower cavity of the cylinder barrel is connected with the hydraulic system through the second bent circuit throttle oil way and the second oil way of the piston rod, pressure oil flow circulation generation is realized, and the vibration energy of the shock absorber is converted into storable electric energy; a gas bag arranged at the bottom of the cylinder barrel is communicated with an oil-gas separation pressure balance type energy accumulator gas cavity, the volume of the gas bag is increased or decreased through the elastic deformation of the gas bag, and the problem that the changes for the volumes of the upper cavity and the lower cavity of the cylinder barrel are unequal when the piston slides is effectively solved; a control device appropriately delays the opening time of a related electromagnetic check valve according to pressure jump feedback obtained by a first pressure sensor and a second pressure sensor, and the adaptive control that the damping stiffness of the shock absorber changes along with the road condition is realized, so that the frequency and amplitude of vibration between a frame and an axle is reduced, and the frame can be effectively protected from being damaged.

The invention discloses a material-gripping device for paint transportation. The material-gripping device for paint transportation comprises a conveyor belt and a gripping jaw. A ratchet is connected to the conveyor belt. A first swinging rod is arranged below the ratchet. A rotating rod is arranged on the first swinging rod. The first swinging rod is connected to the rotating rod in a sliding mode. A pawl is hinged to the rotating rod. A first elastic piece is connected to the pawl. A second swinging rod is arranged on the left side of the first swinging rod. A second elastic piece is arranged between the first swinging rod and the second swinging rod. A fixed sliding groove is formed above the second swinging rod and internally provided with a rack. A pulling rod is hinged to the rack and connected to the second swinging rod in a sliding mode. The rack is engaged with a gear. The gripping jaw is connected to the gear. A cavity is formed in the right side of the first swinging rod. The upper portion of the cavity communicates with an air bag. A stopping block is connected to the bottom of the cavity in a sliding mode. A pushing block is arranged on the left side of the second swinging rod. A linkage rod is hinged to the pushing block. A crank is hinged to the linkage rod. A pushing rod is connected to the pushing block and connected with the stopping block. According to the material-gripping device for paint transportation, the structure is simplified due to air cylinder control and the connected structure, so that the matching difficulty is reduced.

The invention relates to glasses and a method for detecting myopic number of degrees, belonging to the technical field of vision detection. A first mirror body and a second mirror body in the glassesare connected to form an accommodating cavity in a front-back sliding manner, an elastic transparent airbag is arranged in the accommodating cavity, two sides of the elastic transparent airbag are respectively fit with the first mirror body and the second mirror body, and a liquid injection transmission mechanism for injecting focusing liquid into the elastic transparent airbag and adjusting the volume of the accommodating cavity is arranged in a mirror bracket. The glasses have the beneficial effects that the first mirror body, the second mirror body and the elastic transparent airbag filledwith the focusing liquid are taken as an equivalent concave lens, the distance between the first mirror body and the second mirror body is adjusted through changing the volume of the focusing liquid in the elastic transparent airbag, and the required number of degrees of the glasses is determined according to the position of the liquid injection transmission mechanism, so that the detection of thenumber of the degrees is accurate and continuous, the operation process is convenient and rapid, the detection cost is low, the detection of the number of the degrees can be finished by one people, the glasses can meet the current configuration demands of myopic glasses, and the configuration cost is lowered.

The invention discloses an energy feedback shock absorber which comprises a dust cover, a cylinder barrel, a combined piston, a piston rod, a single lug ring, an air bag, an air bag protection cover, an end cover, an energy accumulator, a first high-pressure oil pipe, a second high-pressure oil pipe and a high-pressure air pipe. By the aid of a combined piston structure, a first curved throttling oil channel and a second curved throttling oil channel are formed, oil in an upper cavity of the cylinder barrel passes the first curved throttling oil channel, a first piston rod oil channel is connected with a hydraulic system through the first high-pressure oil pipe, oil in a lower cavity of the cylinder barrel passes the second curved throttling oil channel, a second piston rod oil channel is connected with the hydraulic system through the second high-pressure oil pipe, circulating pressure oil flow needed by power generation can be realized, the air bag arranged at the bottom of the cylinder barrel is communicated with the energy accumulator and timely generates elastic deformation, the size of the air bag is increased or decreased, and the energy feedback shock absorber effectively solves the problem of unequal volume change of the upper cavity and the lower cavity of the cylinder barrel when the piston slides.

The disclosed bi-axis circuit board comprises: a top circuit board connecting with the circuit in top cover of a fold-type device, a bottom circuit board connecting with the circuit in the fold-type device body, and a connection board to form a height difference and a ninety included angle between the top and bottom boards.

The invention provides an automatic dedusting and demoulding agent brushing device for a tunnel steel trolley. The device is characterized in that the device is composed of an automatic dedusting device and an automatic demoulding agent brushing device and is of a portal-shaped frame structure, and the automatic demoulding agent brushing device is arranged behind the automatic dedusting device and is fixed to an inner wall of a tunnel through a fixing and adjusting device; an automatic dedusting and demoulding device for the tunnel steel trolley is arranged in advance, a pump machine or a sprayer and all angle grinders with steel wire brushes as angle grinding pieces are started when the trolley is moved in place, and accordingly the steel trolley passes through the automatic dedusting device firstly in the moving process, a steel trolley formwork is ground and dedusted through the angle grinding pieces of the angle grinders in the passing process, then the steel trolley passes through the automatic demoulding agent brushing device, demoulding agents are continuously pressed into rolling cotton brushes through steel tubes by means of the pump machine or the sprayer in the automatic demoulding agent brushing device, and the rolling cotton brushes roll due to friction force of the trolley and finish demoulding agent brushing construction of the steel trolley formwork.

The invention discloses an experimental system and method for SWTBLI unsteady characteristic research, the experimental system comprises an experimental test section and an ultrahigh frame frequency flow field measurement system, and the ultrahigh frame frequency flow field measurement system comprises a multi-cavity laser, an array CCD camera, a synchronous controller, a photoelectric signal acquisition and data processing device and a nanoparticle generator. According to the method, a sequence fine flow structure image and wall surface pressure distribution in the SWTBLI process within a certain incident shock wave intensity range can be measured, and blowing and suction flow control on a shock wave induction separation position and the size of a separation area can be realized, so that the size of the separation area is enhanced or weakened, the effect of shock waves on a boundary layer is changed, and the separation effect is improved. The characteristic time scale and the characteristic frequency of large-scale structures such as separation bubbles in an interference area can be analyzed through the image, so that the time evolution process of the SWTBLI flow structure, the experimental research on unsteady motion characteristics and the like can be favorably carried out; the blank that SWTBLI unsteady characteristic analysis is not synchronously carried out on the basis of image, pressure and blowing and sucking flow control at present in China is filled.

The invention relates to jewelry, and provides an adjustable ring. The adjustable ring comprises an annular finger ring and a decoration section arranged on the finger ring. The finger ring has a head end and a tail end disconnected with the head end. The decoration section comprises a connection base which is arranged on the finger ring and can adjust the tail end and the head end of the finger ring to move relatively and a rotation base arranged on the connection base and used for driving the connection base to rotate to drive the tail end and the head end of the finger ring to move relatively. A diamond is embedded in the connection base and a gemstone is embedded in the rotation base. The rotation base covers the diamond and is connected with the connection base detachably. The rotation base is rotated to drive the connection base to rotate, furthermore the head end of the tail end of the finger ring move relatively, adjustment of the finger ring size is achieved, therefore the ring can be worn by fingers with different sizes, which is convenient, furthermore, a wearer can install or dismount the rotation base on the connection base according to personal preference, thus the gemstone or the diamond is exposed, a gemstone ring or a diamond ring is formed, and the selectivity is high.

The invention discloses a front suspension system and a vehicle, and belongs to the technical field of automobile suspensions. The front suspension system includes: a knuckle; an upper control arm; and an auxiliary frame assembly which comprises a left longitudinal beam, a right longitudinal beam, a front cross beam and a rear cross beam, wherein the front cross beam and the rear cross beam are connected with the left longitudinal beam and the right longitudinal beam in a welded mode, wherein first welding seams are formed between the front cross beam and the left longitudinal beam and between the front cross beam and the right longitudinal beam, and included angles are formed between the first welding seams and the vertical plane; a first lower control arm and a secondlower control arm, wherein one end of the first lower control arm is connected with the auxiliary frame assembly, the other end of the first lower control arm is connected with the steering knuckle through a ball pin, one end of the second lower control arm is connected with the auxiliary frame assembly, and the other end of the second lower control arm is also connected with the steering knuckle through a ball pin, the intersection point of the axes of the first lower control arm and the second lower control arm is a virtual main pin lower point, and the virtual main pin lower point is lower than the auxiliary frame assembly; and a front sliding column assembly. The front suspension system and the vehicle are high in applicability, easy to form and high in deformation resistance.

The invention discloses an image sensor, a forming method thereof and a camera module. The image sensor comprises a device substrate, a carrier substrate and a first piezoelectric structure, wherein the device substrate comprises a pixel area and an edge logic area which surrounds the pixel area; the carrier substrate is arranged to be opposite to the device substrate; the first piezoelectric structure is located between the edge logic area of the device substrate and the carrier substrate, surrounds the pixel area and is used for increasing the size in a first direction after obtaining a voltage signal; and the first direction is parallel to a normal direction on the surface of the center of the pixel area. The performance of the image sensor is improved.

The invention provides a trace oil injection device and belongs to the technical field of oil injection equipment. The trace oil injection device comprises an oil tank (5), an oil pump (4), an oil outlet nozzle (2) and a control device, wherein an oil inlet hole of the oil pump (4) is communicated with the bottom of the oil tank (5), an oil outlet hole of the oil pump (4) is communicated with an oil inlet hole of the oil outlet nozzle (2), and a plunger (16) of the oil pump (4) is connected with an electromagnet (14) pushing the plunger to move axially. The device is further provided with a detection unit used for detecting to-be-lubricated equipment, and the electromagnet (14) and the detection unit are both connected with the control device. The trace oil injection device is provided with the detection unit, the detection unit can detect equipment where oil is to be injected and uploads signals to the control device, the control device controls the oil pump to be started and stopped, the electromagnet pushes the plunger to move, the oil injection frequency is controlled by the electromagnet, high-frequency oil injection can be realized, besides, the oil injection frequency is convenient to adjust, and accordingly, intermittent oil injection can be realized according to motions of the equipment where oil is to be injected.

The invention discloses a wire tapping control system and relates to the technical field of trolley bus control. The wire tapping control system comprises a cylinder set, a recentralizing system and a swinging system, wherein the cylinder set is composed of cylinders which are back-to-back connected with each other; an air circuit output of the swinging system is merged into an output air circuit of the recentralizing system; an output terminal of the recentralizing system is communicated with a rod chamber and a rod-less chamber of the cylinders; the recentralizing system and the swinging system are in parallel connection on the output air circuit of an air source; and the recentralizing system is capable of independently controlling the route of the cylinder set or jointly controlling with the swinging system. The invention also relates to a trolley pole with the system. The system can be utilized to realize the swinging of the trolley pole, reduce the requirements for the stopping positions of the vehicle and the wire grid and increase the intelligent effect.