30results about How to "Stable and smooth adjustment" patented technology

The invention relates to the technical field of leveling systems, and discloses an automatic leveling system for a vehicle body platform. The automatic leveling system comprises a horizontality detection element, travel sensors and a programmable controller, wherein the horizontality detection element is arranged on the vehicle body platform; a lifting oil cylinder of a vehicle body platform hydraulic lifting system is divided into four groups according to areas in which four angles of the vehicle body platform are positioned; each group of lifting oil cylinder is provided with a travel sensor; and the programmable controller is connected with control valves of all the groups of lifting cylinders, the horizontality detection element and the travel sensors respectively. In the automatic leveling system, signals transmitted from the travel sensors and the horizontality detection element are subjected to operation processing through the programmable controller; when inclined, the vehiclebody platform can be appropriately leveled in time, so that the horizontality and the stability of the vehicle body platform are ensured, and vibration generated by overregulation is prevented; and various real-time regulation modes are provided, so that a driver can select the regulation modes as required according to actual road surface conditions. The system is simple, practical, safe and reliable, and has low cost and a wide application prospect.

An object of the present invention is to provide a seat for a vehicle which is capable of smoothly and stably adjusting the reclining of a seat back by driving an electrical reclining motor 34, even if the electrical reclining motor 34 is diagonally mounted on a seat back frame structure in a case where the electrical reclining motor 34 is fixedly connected on a seat back frame structure, or even if the electrical reclining motor 34 becomes inclined due to a deformation of the seat back frame structure after such a fixedly connection.

There is provided a seat 10 for a vehicle comprising a seat back frame structure 12 a lower end of which is connected to a rear end of a seat cushion frame structure 14 in such a way that the seat back frame structure 12 can be inclined relative to the seat cushion frame structure 14, said seat back frame structure 12 including a pair of side frames 20A,B each of which extends in a vertical direction of the vehicle, said seat 10 for the vehicle further comprising a through-hole 28 provided on a lower end portion of each of the pair of side frames 20A,B, a connecting rod 30 extending through each of the through-holes 28 so as to be rotatable about a horizontal direction, an electrical reclining motor 34 rotating said connecting rod 30 and provided along the one of side surfaces of the one of said pair of side frames 20A,B, and a reclining apparatus 16 provided on the other of the side surfaces of each of said pair of side frames 20A,B, a bolt through-hole 72 being provided on a non-rotational driven solid portion of said electrical reclining motor 34, a bolt 74 which fits into said bolt through-hole 72 is provided for fixedly bolting said electrical reclining motor 34 on said one of the side surfaces of the one of the pair of side frames 20A,B, said bolt 74 comprising a head portion 76 and a shank portion 78 with a circular cross-section, said shank portion 78 comprises an enlarged-diameter portion 82 on its end portion and a reduced-diameter portion 84 adjacent to the enlarged-diameter portion 82 with being concentric to each other.

The invention discloses an EEG cap head circumference size adjusting mechanism and an EEG cap, and relates to the technical field of EEG caps. The EEG cap comprises a left arc-shaped side plate, a right arc-shaped side plate and two EEG cap head circumference size adjusting mechanisms, wherein one of the two EEG cap head circumference size adjusting mechanisms is used for connecting the front endof the left arc-shaped side plate and the front end of the right arc-shaped side plate, and the other EEG cap head circumference size adjusting mechanism is used for connecting the rear end of the left arc-shaped side plate and the rear end of the right arc-shaped side plate; and an annular structure is surrounded by the left arc-shaped side plate, the right arc-shaped side plate and the two EEG cap head circumference size adjusting mechanisms. According to the EEG cap head circumference size adjusting mechanism and the EEG cap disclosed by the invention, in the using process, the EEG cap headcircumference size adjusting mechanisms are used for adjusting the overlapping area of a first arc-shaped plate body and a second arc-shaped plate body through the cooperation of a first gear with afirst rack and a second rack, and then the distance between the front end of the left arc-shaped side plate and the front end of the right arc-shaped side plate and the distance between the rear end of the left arc-shaped side plate and the rear end of the right arc-shaped side plate are adjusted, so that the adjusting of the size of the EEG cap head circumference is realized.

The invention discloses a convergence and divergence nozzle adjusting valve. The convergence and divergence nozzle adjusting valve comprises a valve body, a valve seat, a plurality of flow guide plates, rotating pins, air bags and an air nozzle, wherein the valve seat is fixedly connected to the valve body through a screw; a plurality of grooves are formed in the circumferential direction of the valve seat; the large end of each flow guide plate is plugged into the corresponding groove of the valve seat, and each flow guide plate is rotationally hinged to the valve seat through the corresponding rotating pin; and each air bag is arranged in the space between the valve body and the corresponding flow guide plate, and the air bags are externally connected with a high-pressure air source through the air nozzle. According to the convergence and divergence nozzle adjusting valve, the linear streamline design is adopted instead of the fluid turning design; and fluid turning is avoided in the adjusting process of the valve, flow resistance is reduced, and the pressure loss is reduced. Meanwhile, through the design that the flow guide plates are matched with the air bags, the flow amount of fluid is adjusted through convergence or divergence of the flow guide plates, and accordingly flow adjustment is more stable and smoother.

The invention discloses an exercise bike with a table board, comprising a body assembly and a table board assembly, which comprises a table board and a table board fixing seat. The table board fixingseat is connected with the body assembly by a lifting component which enables the table board fixing seat to rise and fall against the body component. The table board assembly further comprises a tiltangle adjusting device which can adjust the tilt angle of the table board relative to a horizontal plane. The tilt angle adjusting device connects the table board fixing seat and the lifting component. The table plate fixing seat is fixed with a tilt angle adjusting seat. An adjusting block in the notch of the tilt angle adjusting seat is hinged on the tilt angle adjusting seat. A locking shaft assembly with a first handle fixed at an outside end is locked or released after passing through a first arc through hole and round through hole. The table board of the exercise bike with a table boardcan adjust the tilt angle relative to the horizontal plane according to user's need, meet user's need of different tilt angle of table board, thereby according with ergonomics and being very convenient to use.

The invention provides a vacuum precise displacement device. The displacement device comprises a bottom flange (1), a top flange (2), a corrugated pipe (7) through which the two flanges are connected, a displacement platform (3) used for installation of the top flange (2) and relative to which the top flange (2) can move translationally, and a moving mechanism used to drive the top flange (2) and comprising a first moving device (5) and second moving devices (6). Through the first moving device (5), the top flange (2) can move translationally relative to the displacement platform (3). Through the second moving devices (6), the displacement platform (3) can move longitudinally relative to the bottom flange (1). The displacement device comprises at least two second moving devices (6) which are connected with the bottom flange (1) and the displacement platform (3). The second moving devices (6) are arranged on the bottom flange (1) in a roughly evenly-spaced way, and move the displacement platform (3) as well as support the displacement platform (3). The displacement device has advantages of simple structure, small occupied area, low cost and good mechanical properties.

The invention discloses a gas drying room with a dangerous situation detection and alarming function. The gas drying room with the dangerous situation detection and alarming function comprises a drying room body, wherein combustion rooms are fixedly connected to the left side and the right side of the drying room body separately; a partition is fixedly connected to the inner wall of each combustion room; a heating chamber is arranged on the inner wall of each combustion room and below the corresponding partition; and a ventilation chamber is arranged on the inner wall of each combustion room and above the corresponding partition, and an installation seat is fixedly connected to the top of the inner wall of each ventilation chamber. According to the gas drying room with the dangerous situation detection and alarming function, through arrangement for rubber support columns, when the rubber support columns are softened in the case of a too high temperature in the drying room body or a detection plate is pressed by a heavy object, a trigger mechanism can be driven to descend; the arranged rotary rods and transmission rods are capable of carrying out rotary adjustment when the temperature reaches a dangerous situation, a trigger rod is enabled to make contact with an alarm, and the role of alarming prompt is played; and the arranged buffer springs and buffer plates are capable of enabling the adjustment of the rotary rods to be more gentle and stable, and higher safety is achieved.

The invention discloses a thread support mechanism. The thread support mechanism comprises a fixed base connected to an injection molding machine mould board, two supporting columns, a horizontal rod, a bearing beam and an adjusting mechanism; the fixed base can be connected to the injection molding machine mould board in an adjustable mode horizontally and movably, and the horizontal moving direction of the fixed base relative to the injection molding machine mould board is the first direction; the two supporting columns are connected to the fixed base vertically and fixedly and are in alternative arrangement, and the alternative arrangement direction is perpendicular to the first direction; the horizontal rod is connected to the top ends of the two supporting columns fixedly; the bearing beam can be connected between the two supporting columns in a vertical sliding mode and is provided with a through hole penetrating through the bearing beam from front to back, and the through hole is fixedly provided with a first bearing; the adjusting mechanism connects the bearing beam with the horizontal rod and adjusts the bearing beam vertically. The thread support mechanism has the advantages that there is no need to disassemble thread jigs or replace thread moulds, the operation is fast and convenient, and the time and the labor are saved.

The invention discloses an upper and lower limb linkage active and passive rehabilitation training device, and belongs to the field of rehabilitation instruments. The upper and lower limb linkage active and passive rehabilitation training device comprises a four-limb linkage mechanism and a seat mechanism arranged behind the four-limb linkage mechanism, and the four-limb linkage mechanism comprises a supporting frame, a crank, a connecting rod, a lower limb training foot rest lever, an upper limb training arm and a passive training driving mechanism. The lower limb training foot rest levers are arranged in the foot rest lever sliding grooves in the corresponding sides in a sliding mode through foot rest sliding blocks respectively, arc sliding grooves are formed in the upper portions of the left side and the right side of the supporting frame respectively, the upper limb training arms are in sliding fit with the arc sliding grooves in the corresponding sides respectively, and the lower portions of the upper limb training arms are movably connected with the foot rest sliding blocks on the corresponding sides. Therefore, the lower limb training foot rest lever reciprocates back and forth, the upper limb training arm reciprocates circumferentially along with the lower limb training foot rest lever, the upper and lower limb training mechanism is reasonable in position arrangement and simple in structure, the training motion trails of the upper and lower limbs are more natural and harmonious, and better training comfort and training effect are achieved.

The invention relates to the technical field of agriculture, in particular to livestock injection fixing equipment for livestock breeding and a using method thereof. The livestock injection fixing equipment comprises a lifting rod frame, a top frame, a lifting plate, a supporting column, a movable rod frame and a movable clamping rod. A second motor is used for driving, so that the height of a lifting clamping rod can be flexibly adjusted, and the use flexibility of the livestock injection fixing equipment for livestock breeding is further improved; the head of livestock is fixed by adjusting the height of the lifting clamping rod, so that the injection of workers is facilitated; meanwhile, the clamping force of the equipment on the head of the livestock can be adjusted by adjusting the height of the lifting clamping rod; clamping injury to the livestock can be avoided by adjusting clamping force, and the livestock is protected, so that the use reliability of the livestock injection fixing equipment for livestock breeding is further improved; and meanwhile, the livestock injection fixing equipment can be suitable for the heads of different types of livestock by adjusting the lifting clamping rod.

The invention provides a connecting mechanism of a bottom plate and a base in a photovoltaic solar heat collector, and belongs to the technical field of machines. The connecting mechanism solves the problem that a connecting mechanism in the prior art is poor in applicability. The photovoltaic solar heat collector comprises the bottom plate in a flat plate shape and the base connected on the bottom plate, wherein the base is in a flat plate shape, and the outer side of the base is used for mounting a photovoltaic solar panel; and the connecting mechanism comprises connecting bases and friction pieces, wherein the friction pieces are located between the connecting bases and the base, and set friction force can be obtained between the base and the connecting bases under the action of the friction pieces. The connecting mechanism of the bottom plate and the base in the photovoltaic solar heat collector is high in applicability.

The invention discloses a numerically-controlled machine tool spindle unit static stiffness testing device and method and belongs to the technical field of spindle performance detection. The device comprises a bottom frame; the inner wall of the bottom frame is in lap joint with the outer surface of a moving frame; and the upper surface of the moving frame is fixedly connected with the lower surface of a connecting block. According to the numerically-controlled machine tool spindle unit static stiffness testing device and method, an electric hydraulic rod, a force application plate, a limiting placement hole, a measuring ring, a micrometer dial plate, a threaded cylinder and a screw rod are adopted, so that a second motor can be controlled to work, and the second motor can control a rotating frame to rotate by 90 degrees; and the above operation can be repeated, so that the testing of a spindle in a front-back direction can be realized. According to the device, the heights of the force application plate and the measuring ring can be adjusted, so that the device can be suitable for testing spindles of different sizes; meanwhile, the direction of loads applied to the spindles by the force application plate can be adjusted, and the radial static stiffness of the spindles can be tested in multiple directions, and therefore, the applicability and the test precision of the device are ideal.

The invention discloses a traction type adjusting plate and an assembling method thereof.The traction type adjusting plate comprises a main plate, a plurality of main limiting holes are evenly distributed in the main plate, a first traction plate is arranged on one outer side wall of the main plate, a second traction plate is arranged on the other outer side wall of the main plate, and a pluralityof first limiting holes are formed in the first traction plate at equal intervals; a plurality of second limiting holes are formed in the second traction plate at equal intervals, and the distance between every two adjacent main limiting holes, the distance between every two adjacent first limiting holes and the distance between every two adjacent second limiting holes are equal. The traction type adjusting plate is provided with the first traction plate and the second traction plate which can be adjusted in a two-way moving mode and can be adjusted in real time according to installation requirements so as to be suitable for different sites and stations. Adjustment is conducted by rotating a first hand wheel and/or a second hand wheel, labor is easily saved, rapidness and convenience areachieved, the left-right movement distance of a transmission block is easily controlled through manual adjustment, and the adjustment time is shortened.