47results about How to "Automatically adjust the gap" patented technology

The invention discloses a continuous tube drawing device. The continuous tube drawing device comprises a rack (1), support bases (2) arranged on the rack (1), idler wheels (4), power systems (5) connected with the idler wheels (4) and support arms (3), wherein one end of each support arm (3) is connected with each support base (2) through a movable shaft, and the other end of each support arm (3) is connected with each idler wheel (4) through a movable shaft. The support bases (2), the support arms (3), the idler wheels (4) and the power systems (5) are all set to be two sets and are arranged symmetrically with the rack (1). The power systems (5) comprise transmission motors (51) and speed changers (52), wherein the output shafts of the transmission motors (51) are connected with the speed changers (52), and the idler wheels (4) are arranged on the output shafts of the speed changers (52). The continuous tube drawing device is stable in power output, a tube diameter is adjusted automatically, stress borne by tube materials is adjusted automatically, the tube materials and a transmission system can not be damaged by continuous tube drawing, and using is safer and more reliable.

A combined service and parking brake apparatus includes a piston which forms a hydraulic chamber within a cylinder portion; a brake lining which, when pressed by the piston, brakes rotation of a disc rotor; a second piston which divides the hydraulic changer into a first hydraulic chamber and a second hydraulic chamber; a friction clutch which allows rotation of the second piston when the second piston is held at its home position and which disables rotation of the second piston when the second piston moves by a predetermined distance toward the second hydraulic chamber; an adjuster including an internal-thread portion and an external-thread portion and adapted to adjust the clearance between the pistons in accordance with the amount of wear of the brake lining; and a changeover valve for establishing and shutting off the communication between the first hydraulic chamber and the second hydraulic chamber.

A bracking pincers for stopping a car comprises cylinder, piston, oil inlet hole, seal gascket and bracking block. It features having hand bracking arm, steel ball seat, multihead screw, multihead screw casing, top rod, returning spring and spring seat in the cylinder; placing steel ball disc at top rod left end; making the rolling channel on disc and seat; setting axial gap between screw tooth and screw groove bigger than gap between piston and bracking block in thread connection.

The invention discloses a ceramic ball valve, which consists of a shell, a valve rod, a ceramic ball, a left ceramic valve seat, a right ceramic valve seat, a ceramic middle body, a ceramic flange inner lining, a flange inner lining metal ring and a positioning metal ring, wherein the outer side face of the left ceramic valve seat is in close contact with the inner side face of the shell; the outer side face of the right ceramic valve seat is in close contact with the inner side face of the ceramic middle body; the other end of the ceramic middle body is in close contact with the interior of the left ceramic valve seat; a disc spring pressing ring is arranged between the right vertical surface of the right ceramic valve seat and the ceramic flange inner lining; and a disc spring is arranged between the disc spring pressing ring and the right vertical surface of the right ceramic valve seat. The ceramic ball valve has the characteristics of automatically adjusting a gap of the ceramic ball and the ceramic valve seat, along with good sealing effect on a valve rod part, long service life and good sealing effect.

The invention relates to an extrusion device for a dry type granulator. The extrusion device comprises an upper tank body, a lower tank body, an extrusion wheel 1, an extrusion wheel 2, a hydraulic cylinder block, a hydraulic cylinder and a hydraulic control system, wherein the hydraulic cylinder block is assembled above the lower tank body; the upper tank body is arranged between the lower tank body and the hydraulic cylinder block; the extrusion wheel 1 is assembled on the lower tank body; the extrusion wheel 2 is assembled on the upper tank body; one end of the hydraulic cylinder is assembled on the hydraulic cylinder block; the other end of the hydraulic cylinder is connected with the upper tank body; the hydraulic cylinder is provided with an oil inlet end 1 and an oil inlet end 2; the hydraulic control system comprises an oil tank, a hydraulic pump and a direction valve, which are sequentially connected in series; the direction valve is connected with the oil inlet end 1 and the oil inlet end 2; a branch circuit composed of a pressure transmitter, a control valve and an energy accumulator is connected between the hydraulic cylinder and the direction valve in parallel; the pressure transmitter is used for collecting the pressure of the hydraulic cylinder and feeding the pressure back to the control valve; and the control valve is used for controlling opening and closing of the energy accumulator to supplement or release the pressure of hydraulic oil, thus automatic pressure supplement and automatic clearance adjustment of the extrusion device are achieved; and the extruded material is relatively uniform in thickness and compactness.

The invention discloses an over thick wood chip crusher provided with a machine shell and rotative compression rollers. The over thick wood chip crusher is characterized in that the machine shell is in a fixed box type structure and can be divided into an upper part and a lower part which can be detachable; two ends of the machine shell are provided with short supporting shafts; the machine shell is internally provided with an upper compression roller and a lower compression roller which do opposite retative motion; grooves and convex teeth regularly spread over the surface of each compression roller; the compression rollers are parallel mutually, arranged on the short supporting shafts through a rocker bearing block, and combined into two movable compression rollers which can relatively swing within a certain range; and a hydraulic cylinder is arranged between the two compression rollers. The invention has the advantages of no blockage, low crushed damage rate and favorable recrushing effect.

The invention provides a floating blockage-proof energy-saving low-noise intermediate conveying device. The device comprises a frame, a transmission shaft system, a chain, an auxiliary driving shaft system, a driving shaft system and a lower conveyor belt system; the transmission shaft system is installed at the left end of the frame, and the driving shaft system is installed at the right end of the frame; the auxiliary driving shaft system is installed on the lower left of the driving shaft system, belt transmission is adopted between the auxiliary driving shaft system and the driving shaft system, the lower conveyor belt system is installed below the driving shaft system and the transmission shaft system, and gear transmission is conducted between the lower conveyor belt system and an auxiliary driving shaft. Through belt transmission and external gear meshing, the rotation direction of the lower conveyor belt system and the rotation direction of the driving shaft system are opposite, so that the lower surface of the chain and the upper surfaces of conveyor belts move upwards simultaneously, the linear speeds of moving are the same, and then noise and power consumption are reduced; a lower conveyor belt shaft slides around an upper conveyor belt shaft in a bearing base and is connected with the frame through a spring, so that floating connection between the conveyor belts isachieved, and blockage is prevented.

The invention provides a speed changing box capable of automatically adjusting a gear meshing clearance. Main parts of a sample mechanism of the speed changing box mainly comprise a first shaft, a third shaft, a middle shaft 2, a bearing 3, an eccentric bushing 1, a torsional spring 4 and a box body 5. when a gear is abraded to form a clearance, the torsional spring drives the eccentric bushing to rotate in an anticlockwise mode, the position of the middle shaft is enabled to move downwards, the shaft distance a between the middle shaft 2 and the first shaft and the shaft distance b between the middle shaft 2 and the third shaft are reduced, and therefore goals of reduction of the meshing clearance and even elimination of the meshing clearance are achieved.

The invention provides an electric tool. The electric tool comprises a shell, a motor placed in the shell and a planet speed reducing mechanism, wherein the planet speed reducing mechanism is provided with a center wheel, a planetary wheel, a planet carrier and a gear ring; and the planet speed reducing mechanism is provided with a gearbox shell in a gapless manner so as to be directly placed in the enclosure. The electric tool can be used for remarkably reducing the radial dimension of a holding part and strengthening the holding comfort feeling of a manipulator, and better accords with man-machine engineering; the traditional gear case shell is omitted, the cost of a part is saved, the structure is simplified, the assembly is convenient, and the production efficiency is improved; and the size and weight of a complete machine are reduced, and the electric tool is more beneficial to operation and carry.

The invention discloses automatic silver point welding equipment for a bimetal sheet of a thermal protector. The automatic silver point welding equipment comprises a bimetal sheet feeding mechanism, asilver belt feeding mechanism, a material cutting mechanism, a material pushing mechanism and a welding mechanism. The bimetal sheet feeding mechanism, the silver belt feeding mechanism, the materialcutting mechanism, the material pushing mechanism and the welding mechanism are respectively fixed on a worktable. The silver belt feeding mechanism includes a conveyor belt, a driving wheel, a driven wheel and a first motor for driving the driving wheel to rotate. The material cutting mechanism includes an upper blade and a lower blade disposed opposite to the upper blade and arranged in dislocation with upper blade. The material pushing mechanism includes a push rod and a cylinder for driving the push rod to move. The welding mechanism includes a positive electrode welding pin and a negative electrode welding pin which are arranged oppositely. According to the equipment, the silver belt feeding mechanism can smoothly convey silver belts to the material cutting mechanism for cutting intosquare silver points to be welded on bimetal sheets, the overall operation speed of the equipment is stable, the phenomenon of material blocking is reduced, the failure rate of equipment operation isreduced, and production efficiency is improved.

The invention discloses engineering plate high-efficiency corner transmission equipment with wide adaptability. The equipment comprises a feeding roller conveying device which is used for conveying material parts according to a first direction, a corner belt conveying device which is arranged at an outlet of the feeding roller conveying device and conveys the material parts in the second direction, and a plurality of unpowered wheel sets; the second direction is perpendicular to the first direction; each unpowered wheel set comprises a plurality of unpowered wheel bodies, and the unpowered wheel bodies are arranged in the first direction, so that the material parts borne on the unpowered wheel bodies can move in the first direction under inertia, and the unpowered wheel sets are arranged at the discharging position of the feeding roller conveying device; and the unpowered wheel sets can ascend and descend, and the bearing faces of the unpowered wheel sets can stay at least at the first height and the second height.

The invention discloses a controller mounting structure for an automobile electric power air conditioner scroll compressor. The controller mounting structure comprises a compressor body, a bracket, acontroller integrated circuit, an upper cover, a stop screw and a spring, and is characterized in that the outer side of the compressor body and the upper cover form a cavity; the inner top of the upper cover is provided with a threaded mounting hole; the mounting hole is in threaded and fixed connection with the stop screw; the stop screw is provided with the bracket; the controller integrated circuit is fixed to the bracket; and the spring is disposed on the stop screw and between the bracket and the thread mounting hole. Compared with the prior art, the mounting bracket of the controller has a function of automatically adjusting the height, so that the bracket and the compressor body are completely attached to each other, the heat dissipation efficiency is greatly improved, and the damage probability of the controller integrated circuit is greatly reduced.