62results about How to "Eliminate partial wear" patented technology

The invention discloses a direct-drive type ground screw pump oil production device and an operating method thereof. The direct-drive type ground screw pump oil production device comprises two supporting frames which are of the same structure and are welded to each other. A first motor is installed on the top of each supporting frame. A dual-row toothed chain wheel is installed at one end of an output shaft of each first motor. The dual-row toothed chain wheels are in transmission connection with a first chain wheel and a second chain wheel through chains. The first chain wheel sleeves a firstchain wheel shaft, and the second chain wheel sleeves a second chain wheel shaft. The two ends of the first chain wheel shaft and the two ends of the second chain wheel shaft are each sleeved with anupper chain wheel. Through foundation supporting plates on the two sides of the two supporting frames, during well mouth excavation and oil production, the two supporting frames can be fixed to the ground, the shaking situation of the supporting frames caused by the vibration generated by a spiral auger during well mouth excavation and the vibration generated by shell oil pumping during oil production is effectively avoided, and the technical problems that an oil production device cannot meet the excavation requirement of an oil well and meanwhile the shaking of the supporting frames can be caused during oil production in the prior art are solved.

The invention provides a huff-and-puff oil production device with a submersible directly-driven screw pump. The huff-and-puff oil production device comprises an underground automatic water injection switch for realizing water injection and oil production channel switching and a submersible directly-driven screw pump, wherein a liquid outlet in the upper end of the underground automatic water injection switch is connected with an oil pipe, and a liquid inlet in the lower end of the underground automatic water injection switch is connected with an oil outlet in the upper end of the submersible directly-driven screw pump through the oil pipe; the submersible directly-driven screw pump comprises a screw pump, a flexible shaft, an upper protect tor, a lower protector, a submersible motor and a centralizer which are non-coaxially connected from top to bottom; the upper end of the screw pump is connected with the lower end of the underground automatic water injection switch; and the screw pump and the submersible motor are respectively electrically connected to a submersible cable outside a wellhead. The huff-and-puff oil production device is free of repeatedly tripping and has the characteristics of simple and convenient operation flow, high construction efficiency, safety, environment friendliness, low risk and the like; and due to the adoption of the lifting way, the huff-and-puff oil production device has the characteristics of low rotating speed and large torque and is suitable for a well with low liquid quantity, the eccentric wear of pipe poles is eliminated, the maintenance-free period of an oil well is prolonged, and the economic benefit can be effectively increased.

The invention provides a suspension type underground hydraulic rod type pumping production device which comprises a hydraulic cylinder, a hydraulic pipe communicated with the hydraulic cylinder, a hydraulic control cabinet and a rod type oil-well pump. A hollow sucker rod is communicated to the upper end of the hydraulic cylinder. The hollow sucker rod and the other end of the hydraulic pipe are connected with the hydraulic control cabinet. The rod type oil-well pump is connected with the hydraulic cylinder. The rod type oil-well pump is arranged in an oil pipe. The hydraulic cylinder is arranged above the oil pipe. The lower portion of the oil pipe is provided with a supporting slip. The oil pipe is sleeved with a packer. Pipe rod eccentric wear is eliminated, and the oil well maintenance-free period can be prolonged; the hollow sucker rod is adopted as a hydraulic transmission pipe, the heat of high-temperature hydraulic oil can be transferred to a well shaft, and paraffinning is effectively prevented. The device adopts a casing pipe oil extraction mode, only one or two oil pipes are needed, the operation process is simplified, and the operation cost is reduced.

The invention discloses a fixed device for a motor fuel injector and the motor with the device and the fixed device of the injector comprises an injector press plate and an injector fixed screw, wherein the injector fixed screw fixes the injector on a cylinder lid of the motor via the injector press plate, characterized in that the device also comprises a press plate heel block which is arranged below the injector press plate and on a cap of a cylinder screw, and the dip angle between the press plate heel block and the contact face of the injector press plate is same to the assembling angle of the injector. The invention delivers the horizontal force of the injector press plate as being pressed to the cylinder lid screw to make the cylinder lid screw bearing the force, therefore the injector only can bear the down packing force without any horizontal force, thereby eliminating grinder phenomenon of coupling parts in the injector.

The invention relates to an internal gear pump capable of achieving partition axial compensation. The internal gear pump comprises a pump body, a gear pair and crescent blocks; a gear shaft is meshed with an internal gear ring to form the gear pair; the crescent blocks are arranged in the gear pair; a left axial compensation device and a right axial compensation device which are the same in structure are symmetrically arranged on the two end faces of the crescent blocks and the gear pair; each axial compensation device comprises a first-level side plate, a second-level side plate and a third-level side plate; a first compensation groove is formed in the outer end face of each first-level side plate; a second compensation groove is formed in the inner end face of each first-level side plate; elastic sealing rings and side plate gaskets are sequentially stacked in the first compensation grooves to form a first-level axial compensation system; springs and the second-level side plates are sequentially stacked in the second compensation grooves to form a second-level axial compensation system; sealing blocks and the third-level side plates are sequentially stacked on the second-level side plates to form a third-level axial compensation system. Partition self-adaption adjustment is carried out on abrasion positions and non-abrasion positions, internal leakage of the pump is effectively reduced, and large-area supporting of the side plates can be still achieved under the abrasion state.

The invention discloses a valve rod and a valve bush of a turbine regulating valve. The area segment, matched with the valve bush, of the valve rod is provided with an area A and an area B, and the area B is located at the lower end of the area A. The area A is a dynamic pressure balancing area, the area B is a hydrophobic area, and the area A is arranged at the position, 1 / 8 to 1 / 6 of the total length of the valve rod away from the outlet end, of the valve rod. The distance between the area A and the area B is 10 mm to 20 mm. The width of the area A accounts for 1 / 6 to 1 / 5 of the total length of the valve rod, and the width of the area B accounts for 1 / 6 to 1 / 5 of the total length of the valve rod. The valve bush is of a split structure, and micro-convex or micro-concave areas C of a superhydrophilic surface texture are arranged in the valve bush and the matched area segment of the area A. According to the valve rod and the valve bush, friction can be reduced, the abrasion resisting performance can be increased, the stability of the valve rod can be improved so that the multi-stage sealing function can be achieved, and based on the flow resistance effect, steam leakage is further reduced.

A shaft connecting rod transmission system and an opposed piston engine to convert reciprocating linear motion into rotary motion in the same direction, effectively improve the reliability of the transmission system, simplify the transmission system to make it more compact, and make the piston on the back of the internal combustion engine It is possible to effectively use the space between the cylinder and the cylinder. The shaft link transmission system includes a main shaft and at least one rectilinear reciprocating unit, and the rectilinear reciprocating unit includes at least one rectilinear reciprocating body. The linear reciprocating body is fixedly connected to one end of the corresponding shaft connecting rod, the other end of the shaft connecting rod is fixedly connected to one side of the corresponding push-pull frame, and the axes of the shaft connecting rod and the main shaft are perpendicular to each other. A sliding block is arranged in the push-pull frame, and the two lateral outer walls of the sliding block form a vertical sliding fit with the two lateral inner walls of the push-pull frame. The teeth are cyclically meshed with the gears correspondingly arranged on the main shaft. A reversing mechanism is arranged between the main shaft and the sliding block.

The invention discloses an anti-eccentric wearing device for a cylinder of an internal combustion engine and relates to the field of the internal combustion engine. The anti-eccentric wearing device solves the problems of high processing difficulty, easy wearing, high energy consumption and the like existing in the internal combustion engine at present. Upper shaft sleeves of the anti-eccentric wearing device for the cylinder of the internal combustion engine are fixed at the lower ends of cylinder holes of a cylinder block, and lower shaft sleeves of the anti-eccentric wearing device are fixed at the inner bottom of a lubricating oil tank; two ends of each piston guide rod are respectively connected to the corresponding upper shaft sleeve and the corresponding lower shaft sleeve in a sleeved manner; each connecting rod is connected to the corresponding piston guide rod through a piston guide rod retaining latch sleeve; the piston guide rod retaining latch sleeves and the piston guide rods are fixed by pin bolts; and the upper ends of the piston guide rods and pistons are fixed. The anti-eccentric wearing device is simple in structure, easy to process, and convenient to install, is energy-saving, and can greatly prolong the service life of the cylinder and the piston.

The invention discloses a push rod one-oscillating-tooth transmission opposite-column double-cylinder internal combustion engine and relates to the field of transmission of internal combustion engines. The push rod one-oscillating-tooth transmission opposite-column double-cylinder internal combustion engine solves the problems that an existing crankshaft connecting rod internal combustion engine is large in size, prone to eccentric wear, high in energy consumption, low in power, low in manufacturing precision and the like. A drive rotating shaft and a driven rotating shaft are fixed to an engine body of the push rod one-oscillating-tooth transmission opposite-column double-cylinder internal combustion engine through bearings, a driven oscillating-tooth disc is arranged on the driven rotating shaft, wherein the shape and the size of the driven oscillating-tooth disc are the same with those of a drive oscillating-tooth disc on the drive rotating shaft. The length of each of drive oscillating teeth is one second of the perimeter of the drive oscillating-tooth disc, and the length of each of driven oscillating teeth is one second of the perimeter of the driven oscillating-tooth disc. A first air cylinder and a second air cylinder are perpendicularly and fixedly arranged at the two ends of a push rod correspondingly. The push rod one-oscillating-tooth transmission opposite-column double-cylinder internal combustion engine is used and is simple in structure, convenient to manufacture, small in size, low in cost, capable of preventing eccentric wear, easy to maintain, low in energy consumption and capable of greatly improving effective power.

The invention discloses a fixed device for a motor fuel injector and the motor with the device and the fixed device of the injector comprises an injector press plate and an injector fixed screw, wherein the injector fixed screw fixes the injector on a cylinder lid of the motor via the injector press plate, characterized in that the device also comprises a press plate heel block which is arranged below the injector press plate and on a cap of a cylinder screw, and the dip angle between the press plate heel block and the contact face of the injector press plate is same to the assembling angle ofthe injector. The invention delivers the horizontal force of the injector press plate as being pressed to the cylinder lid screw to make the cylinder lid screw bearing the force, therefore the injector only can bear the down packing force without any horizontal force, thereby eliminating grinder phenomenon of coupling parts in the injector.

The invention discloses a push rod seven-movable tooth driving internal combustion engine, which relates to the field of internal combustion engine driving. The push rod seven-movable tooth driving internal combustion engine aims to solve the problems of large size, easiness in eccentric wear, high energy consumption, low power, high manufacturing accuracy and the like of an existing crankshaft connecting rod internal combustion engine. According to the push rod seven-movable tooth driving internal combustion engine, a driving rotating shaft and a driven rotating shaft are fixed to an engine body by virtue of bearings; a driven movable tooth disc of which the shape and size are the same as that of a driving movable tooth disc on the driving rotating shaft is arranged on the driven rotating shaft, and driving movable teeth and driven movable teeth are respectively one fourteenth of the perimeters of the driving movable tooth disc and the driven movable tooth disc; and driving push teeth and driven push teeth which are engaged with the driving movable tooth disc and the driven movable tooth disc are formed on push rods. The push rod seven-movable tooth driving internal combustion engine has the advantages of simple structure, convenience in manufacturing, small size, low cost, eccentric wear resistance, easiness in maintenance and low energy consumption, and the effective power is greatly increased.

The invention relates to a rim and a wheel with asymmetric design of rims on both sides, comprising a proximal rim, a middle part and a distal rim; the proximal rim and the distal rim are respectively arranged in the middle Both ends of the rim, and the proximal rim and the distal rim adopt asymmetric design, so that the rigidity of the distal rim is greater than that of the proximal rim; The rigidity of the distal rim is greater than that of the proximal rim. During use, the rigidity of the proximal rim increases due to the support of the spokes, so that the rigidity of the rims on both sides is consistent. In this way, the tire exerts an even force during the driving process, which can eliminate the eccentric tire wear caused by the different stiffness of the two ends of the traditional wheel, and prolong the service life of the wheel.

The invention discloses a push rod single movable tooth high-efficiency lubricated transmission opposed row double-cylinder internal combustion engine, and relates to the field of internal combustion engine transmission. The invention solves the problems of large volume, easy partial wear, high energy consumption, low power and high manufacturing precision of the current crankshaft connecting rod internal combustion engine. The body of the push rod single movable tooth efficiently lubricates and drives the dual-cylinder internal combustion engine with bearings to fix the driving shaft and the driven shaft; The tooth plate, the active movable tooth and the driven movable tooth are all half of the circumference of the active movable tooth and the driven movable tooth; a lubricating oil delivery device is fixed between the active push tooth and the driven push tooth. The invention has the advantages of simple structure, small volume, partial wear prevention, low energy consumption and greatly improved effective power.

The invention discloses a push rod dual-oscillating-tooth drive parallel dual-cylinder internal combustion engine, and relates to the field of internal combustion engine drive. The push rod dual-oscillating-tooth drive parallel dual-cylinder internal combustion engine solves the problems that a current crankshaft connecting rod internal combustion engine is large in size, prone to suffering from eccentric wear, high in energy consumption, low in power, high in manufacturing precision and the like. A driving rotary shaft and a driven rotary shaft are fixed to an engine body of the push rod dual-oscillating-tooth drive parallel dual-cylinder internal combustion engine through bearings; a driven oscillating tooth disc with the shape and size the same as those of a driving oscillating tooth disc on the driving rotary shaft is arranged on the driven rotary shaft, and driving oscillating teeth and driven oscillating teeth are 1 / 4 of the perimeter of the driving oscillating tooth disc and 1 / 4 of the perimeter of the driven oscillating tooth disc correspondingly; and a first push rod and a second push rod are arranged on the two sides of the driving oscillating tooth disc and the driven oscillating tooth disc correspondingly. The push rod dual-oscillating-tooth drive parallel dual-cylinder internal combustion engine is simple in structure, convenient to manufacture, small in size, low in cost, capable of preventing eccentric wear, easy to maintain and low in energy consumption, and effective power is greatly improved.

The invention discloses a push-rod double-oscillating-tooth efficient lubricating transmission parallel double-cylinder internal combustion engine, relates to the field of internal combustion engines and solves the problems that a current crankshaft connecting rod internal combustion engine is large in size, prone to eccentric wear, high in energy consumption, low in power, high in manufacturing precision and the like. A driving rotating shaft and a driven rotating shaft are fixed to an engine body of the push-rod double oscillating-tooth efficient lubricating transmission parallel double-cylinder internal combustion engine through bearings; the driven rotating shaft is provided with a driven oscillating-tooth disc with the shape and size being the same as those of a driving oscillating-tooth disc on the driving rotating shaft, and driving oscillating teeth and driven oscillating teeth are both one quarter the perimeter of the driving oscillating-tooth disc and one quarter the perimeter of the driven oscillating-tooth disc; and a first push rod and a second push rod are connected with a first lubricating oil conveying device and a second lubricating oil conveying device correspondingly. The push-rod double oscillating-tooth efficient lubricating transmission parallel double-cylinder internal combustion engine is simple in structure, small in size, resistant to eccentric wear and low in energy consumption, and effective power is greatly improved.

The invention discloses a high-efficiency lubricating and transmitting type internal combustion engine with push rods, four sets of oscillating teeth double and parallel cylinders, and relates to the field of internal combustion engines. The internal combustion engine solves the problems that an existing crankshaft and connecting rod internal combustion engine is large in size, prone to eccentric wear, high in energy consumption, low in power, low in manufacturing precision and the like. According to the high-efficiency lubricating and transmitting type internal combustion engine with the push rods, the four sets of oscillating teeth double and the parallel cylinders, a driving rotating shaft and a driven rotating shaft are fixed on an internal combustion engine body through a bearing; a driven oscillating tooth disc is arranged on the driven rotating shaft, wherein the shape and the size of the driven oscillating tooth disc is the same as the shape and the size of a driving oscillating tooth disc on the driving rotating shaft; the edge arrangement length of each set of driving oscillating teeth is one eighth of the perimeter of the driving oscillating tooth disc, and the edge arrangement length of each set of driven oscillating teeth is one eighth of the perimeter of the driven oscillating tooth disc; and the first push rod and the second push rod are connected to a first lubricating oil conveying device and a second lubricating oil conveying device respectively. The high-efficiency lubricating and transmitting type internal combustion engine with the push rods, the four sets of oscillating teeth double and the parallel cylinders is simple in structure, small in size, capable of preventing eccentric wear and low in energy consumption, and the effective power is greatly improved.

The invention discloses a push-rod five-oscillating-tooth transmission oppositely-arranged double-cylinder internal combustion engine, relates to the field of internal combustion engine transmission and solves the problems that an existing crankshaft connecting rod internal combustion engine is large in size, prone to eccentric wear, high in energy consumption, low in power, high in manufacturing precision and the like. An engine body of the push-rod five-oscillating-tooth transmission oppositely-arranged double-cylinder internal combustion engine is fixedly provided with a driving rotating shaft and a driven rotating shaft through bearings; the driven rotating shaft is provided with a driven oscillating-tooth disc with the same shape and size as those of a driving oscillating-tooth disc on the driving rotating shaft, driving oscillating teeth and driven oscillating teeth are all one tenth of the perimeter of the driving oscillating-tooth disc and the perimeter of the driven oscillating-tooth disc, and the two ends of a push rod are vertically and fixedly provided with a first air cylinder and a second air cylinder correspondingly. The push-rod five-oscillating-tooth transmission oppositely-arranged double-cylinder internal combustion engine is simple in structure, convenient to manufacture, small in size, low in cost, prone to eccentric wear, easy to maintain and low in energy consumption, and effective power is greatly improved.