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

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 a static stiffness testing device and a testing method of a spindle unit of a numerically controlled machine tool, belonging to the technical field of spindle performance testing. Fixed connection with the lower surface of the connection block. The static stiffness test device and test method of the spindle unit of the CNC machine tool can control the second motor to work by setting the electro-hydraulic rod, the force applying plate, the limit placement hole, the measuring ring, the dial dial, the threaded barrel and the screw rod. The motor can control the rotating frame to rotate 90 degrees, and then repeat the above operation to realize the test of the front and rear directions of the main shaft. This device can adjust the height of the force plate and the measuring ring, and can be applied to the test of different sizes of the main shaft. At the same time, the force can be adjusted. The direction in which the plate applies the load to the main shaft can realize the radial static stiffness test of the main shaft in multiple directions, which makes the applicability and test accuracy of the device ideal.

The invention discloses a teaching device for vocational education. The teaching device comprises a teaching board, wherein a base is arranged below the teaching board, rolling wheels are rotatably mounted at four corners of the bottom of the base; support box seats fixedly mounted at the top of the seat are arranged on two sides of the teaching board, and bottoms of the support box seats are opened; first rectangular slots are formed in two sides of the teaching board, and the bottoms of the first rectangular slots are opened; and a second rectangular slot is formed in one side of the seat, aservo motor is fixedly mounted on one side of the seat, and an output shaft of the servo motor extends to one end welded with a rotating shaft in the second rectangular slot. The teaching device is reasonable in design and convenient to operate, the height of the teaching board can be conveniently adjusted according to actual demand, and the complete teaching board can be conveniently watched bystudents; and by arranging first rolling balls, second rolling balls, third rolling balls and fourth rolling balls, the friction force generated during the height adjustment can be effectively reduced, and the height of the teaching board can be stably and smoothly adjusted.

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 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 vehicle body 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.

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 relates to the technical field of glue dispensers, in particular to an online type double-rail high-speed jet glue dispenser comprising a shell and a three-axis mechanism installed in the shell. A glue dispensing nozzle is installed on the three-axis mechanism. An installation plate is arranged below the three-axis mechanism. A conveying mechanism is installed on the installation plate and comprises a conveying rail for conveying a to-be-glue-dispensed part, and a lifting part arranged on one side of the length direction of the conveying rail. A lifting driving assembly for driving the lifting part to rise or fall is arranged under the lifting part. A height limiting part is further arranged above the conveying rail. The to-be-glue-dispensed part is lifted through the liftingpart, the edge is then pre-tightened through the height limiting part, the height of the to-be-glue-dispensed part is determined, in addition, the to-be-glue-dispensed part is not liable to vibrationin the glue dispensing process, locating is more accurate, then adjustment of a glue dispensing nozzle is easier, the glue dispensing procedure is more precise, adjustment time is also shorter, and glue dispensing efficiency is higher.

The invention discloses a mounting frame. The mounting frame is structurally characterized by comprising a main frame body, a hanging frame and connecting components, the main frame body comprises 3-8 sets of upright components, each upright component comprises an upright and a connecting frame, the hanging frame is a frame formed by mutually welding square pipes, H-section steel or channel steel and with a shape corresponding to a regular polygon or a rectangle formed by sequentially connecting projection of each upright, the number of the connecting components is identical with that of the upright components, each connecting component comprises a bolt, a spherical washer, a spherical washer supporting block, a lower compression spring, a first spring seat, a second spring seat, an upper compression spring and a fixing nut, and the hanging frame is arranged on the main frame body in a hung manner through the connecting components and is in demountable, elastically-adjustable and fixed connection with the main frame body.

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.