203 results about "Reciprocating pump" patented technology

A mount plate for removably connecting a fluid end of a reciprocating pump to a power end for a reciprocating pump includes a first set of openings and a second set of openings, each of which extend through the main body. The first set of openings are configured to receive a first set of couplers that couple the mount plate to a front of the power end. The second set of openings are configured to receive a second set of couplers that couple the mount plate to a fluid end in a spaced relationship. The mount plate may also include a third set of openings that extend through the main body and are configured to receive pony rods of the power end.

The application provides a cast power end frame including a pair of end plates and an outer casing extending between the end plates and defining an interior therein; a crank shaft housing extending between the end plates and within the interior of the outer casing, and a plurality of crosshead tubes, each crosshead tube extending substantially perpendicular to the crank shaft housing, wherein the outer casing, crank shaft housing, and crosshead tubes are cast as a single part comprising steel comprising a carbon constituent of 0.06%-1.99% carbon.

The invention belongs to the technical field of ultrahigh-pressure reciprocating pumps, and particularly relates to a method using an ultrahigh-pressure large-flow reciprocating pump fluid end strength testing device for strength testing in a low-energy-consumption state. The device comprises a pulsation pressurizing part capable of performing piston type reciprocating stroke action, one end of a test pipeline is communicated with a high-pressure cavity of the pulsation pressurizing part, the other end of the test pipeline is communicated with a liquid outlet of a pump cylinder of a reciprocating pump to be tested, and a set of optimization algorithm is matched. The method is simple and efficient in calculation, so that the actual working state of the original reciprocating pump can be simulated and restored under low power while the reciprocating pump to be tested is highly matched.

A power end includes a monolithic core with a base having a surface configured to mount to a fluid end of the reciprocating pump and a plurality of extensions integral to the base. Each extension of the plurality of extensions includes a ring portion that defines an opening configured to receive a crankshaft of the reciprocating pump. The power end also includes a plurality of plates separate from the monolithic core. Each plate of the plurality of plates extends between a pair of adjacent of extensions of the plurality of extensions to enclose the monolithic core.

An electromagnetic reciprocating pump (1) and an alcohol tester. The electromagnetic reciprocating pump (1) comprises a driving device (10) and a pump body (20). The pump body (20) comprises a flexible housing (22), an accommodating cavity (C3), and a channel (213) in communication with the accommodating cavity (C3). The driving device (10) comprises a cylinder (111), a coil (112), a magnet (121), a first ferromagnetic element (113) and a second ferromagnetic element (114); the coil (112) generates magnetic fields in different directions by changing the current direction so as to drive the magnet (121) in the cylinder (111) to move back and forth in a motion direction; the first ferromagnetic element (113) and the second ferromagnetic element (114) are spaced apart at the front end and rear end in the motion direction of the magnet; the first ferromagnetic element (113) and the second ferromagnetic element (114) can attract the magnet (121), and when the magnet (121) moves to one end and is attracted by one of the first ferromagnetic element (113) and the second ferromagnetic element (114), the magnet (121) is kept at the position; the magnet (121) is used for driving the flexible housing (22) to deform so as to change the volume of the accommodating cavity (C3) to achieve fluid intake and discharge. According to the electromagnetic reciprocating pump (1) and the alcohol tester, different states of the pump body can be maintained, and the structure is simple.

The utility model provides an overflow control device of a booster compressor, which comprises a combined cylinder body, a variable-diameter piston arranged in the combined cylinder body, a gas chamber arranged above the variable-diameter piston, a gas inlet and a gas outlet connected with the gas chamber, a hydraulic oil chamber arranged below the variable-diameter piston, and a reciprocating pump connected with the hydraulic oil chamber through a connecting pipeline. The reciprocating pump cavity, the hydraulic part of the combined cylinder body and the connecting pipeline jointly form a closed hydraulic part, the closed hydraulic part is connected with a pressure control valve, the pressure control valve comprises an oil supply port, an oil outlet and a pneumatic control port, the oil supply port is connected with the closed hydraulic part through a pipeline, and the pneumatic control port is connected with an exhaust port through a pipeline. And hydraulic oil overflowing from the pressure control valve is discharged from the oil outlet. The pressure of the closed hydraulic part can be limited by controlling the opening and closing of the pressure control valve, and the actual overflow pressure can be automatically adjusted according to different exhaust pressures, so that the energy consumption of the system is reduced.

A lubricator package for intermittently delivering a lubricant to lubrication points on packing on a high-pressure reciprocating pump, a frac pump is described. A preferred package includes a large (e.g., 10 gallon) capacity reservoir; a three or five outlet pump; a common manifold receiving oil from the large capacity reservoir and supplying oil or grease to the pumps; a mounting stand supporting the large capacity reservoir and the five outlet pump; and an optional a control package providing low level monitoring of lubricant flow and controlling the pump providing a pump stroke counter or timer.

The utility model discloses a film scratching instrument, belongs to the field of detection equipment, and is used for solving the problems of how to improve the conveying stability of a marker solution and the continuity of spraying lines. The film scratching instrument comprises a tandem type double-plunger reciprocating pump, a film scratching head and a liquid conveying pipeline. The tandem type double-plunger reciprocating pump is provided with a liquid inlet and a liquid outlet, the liquid inlet is used for inputting a marker solution, the liquid outlet is used for outputting the marker solution, the film scratching head is provided with a spray head, and the spray head is connected with the liquid outlet through a liquid conveying pipeline and used for spraying the marker solution onto test paper. Due to the fact that the tandem type double-plunger reciprocating pump can provide stable pressure and flow, compared with a traditional manual spraying pump or a single-plunger pump, a marker solution sprayed to test paper through film scratching is more uniform in distribution, the continuity of spraying lines is better, and the stability of spraying quality is improved.

A system for distributing a fluid flow across multiple inlet passages of a reciprocating pump includes an auger configured to be positioned into a suction manifold fluidly coupled with the multiple inlet passages of the reciprocating pump. The auger defines an axis, a first axial end, a second axial end, and a helical body extending between the first axial end and the second axial end. The auger is receivable into the suction manifold such that the first axial end is positioned to receive the fluid flow and force the fluid to move along a helical path defined by the helical body to introduce an angular momentum into the fluid flow. The system includes an end flange fixedly coupled to the second axial end proximate the opening. The system further includes a clamp arrangement for the auger wherein the clamp arrangement is movable between a clamped state and an unclamped state.

The present application relates to a reciprocating pump, in particular to a linkage shaft structure and a reciprocating pump with the linkage shaft structure. The linkage shaft structure comprises a linkage shaft extending into a containing cavity, the linkage shaft comprises two coaxially arranged linkage shaft units, the inner ends of the linkage shaft units extend into the containing cavity and are fixed with first telescopic bodies made of flexible material, the outer ends of the linkage shaft units are always located outside the containing cavity and are used for connecting reciprocating moving parts, the first telescopic bodies comprise first bottoms located on the axial sides of the linkage shaft units, and the first bottoms of the two first telescopic bodies are located between the two linkage shaft units and close to each other. The linkage structure of the present application can avoid the contact between the linkage shaft and the cavity wall of the containing cavity, avoid the sliding friction between the linkage shaft and the support structure, thereby as far as possible to avoid the generation of powder or debris, reduce the pollution to the pumped fluid; and can improve the operation efficiency of the reciprocating pump.

The application discloses a kind of detection structure of reciprocating pump cumulative flow, including the lower sleeve in reciprocating pump and with the transmission connection of worm gear in reciprocating pump, the inner hole lower end of lower sleeve is equipped with bearing, the lower side of lower sleeve is spaced and is equipped with bearing cover, the side of bearing cover towards lower sleeve is raised and forms boss in the inner hole of bearing along the center line direction of lower sleeve, boss is installed in the inner hole of bearing and is rotatably connected with lower sleeve by bearing, one or more induction blocks are fixedly connected on the lower end surface of lower sleeve, when the number of induction block is multiple, multiple induction blocks are evenly spaced and arranged around the center line direction of lower sleeve, inductive sensor is installed in the position of bearing cover corresponding lower end surface of lower sleeve, inductive sensor can inductively detect induction block, counter module is provided outside bearing cover, inductive sensor is electrically connected with counter module.The application also discloses a kind of method for detecting the cumulative flow of reciprocating pump using the above structure.

Typically, fluids used in fracking operations erode valve seats in the fluid end of the reciprocating pump. Thus, these valve seats must frequently be replaced by new valve seats. Accordingly, a remanufacturing process is disclosed that successively cleans and / or grinds manually or mechanically at least the carbide inserts from used valve seats until the inserts are reusable. This reduces material costs and promotes efficiency and sustainability.

The utility model relates to the technical field of gold ore analysis and test pretreatment, and discloses solid sample and reagent rapid mixing equipment which comprises a tank body, a first threaded mounting seat is arranged at the top of the tank body, a tank cover is in threaded connection in the first threaded mounting seat, a fixing pipe is fixedly connected in the tank cover, and a fixing sleeve is fixedly connected to the bottom of the fixing pipe. A fixed sleeve is arranged in the tank body, a sliding sleeve is connected to the outer wall of the fixed sleeve in a sliding manner, a lifting pipe is fixedly connected to the bottom of the sliding sleeve, and a second threaded mounting seat is arranged at the bottom of the lifting pipe. The solid sample is placed in the circulating flow channel in the tank body, so that the dissolution rate between the solid sample and the solvent is increased through rapid flowing between the solvent and the solid sample, meanwhile, uniform dissolution of the solid sample in the solvent is achieved through circulating flowing of the solvent, and the practicability of the equipment is improved.

A modular reciprocating pump rod column assembly and system are presented. The present disclosure provides the state of the art with a hydraulically actuated extension rod assembly with a piston and a hydraulically actuated extension rod assembly with a plunger. The rod column assembly that can be converted to plunger and vis-versa. The hydraulic system provides for spring compression based on a hydraulic piston installed inside the primary extension rod. As hydraulic pressure is applied through a port located in the end cap, it is fed through a cross port drilled in the extension rod assembly to the blind end of the internal piston. When pressurized the piston moves forward, compressing the springs against the end cap when in turn extends the center shaft, relieving tension on the forward and rear rod column pins. Releasing the hydraulic pressure allows the springs to extend, retracting the center shaft.

A crank arrangement method for a crankshaft, a device, a storage medium, and a program product. The method comprises: acquiring structural feature data of a target crankshaft having a plurality of crank structures (S101); on the basis of the structural feature data, determining a plurality of crank pin arrangement sequences of the target crankshaft (S102); on the basis of the structural feature data, establishing a motion model, wherein the motion model is used for describing a coordinated motion process of the crank structures, connecting rods corresponding to the crank structures, and piston structures in cylinders (S103); on the basis of the motion model, determining bearing block reaction force data, inertia moment data, and suction pipe flow rate data for the crank pin arrangement sequences, wherein the suction pipe flow rate data is used for describing a sectional flow rate of a main suction pipe corresponding to crank pins (S104); and on the basis of the bearing block reaction force data, the inertia moment data, and the suction pipe flow rate data, screening the crank pin arrangement sequences for a target crank arrangement sequence (S105). The method improves the product performance of a seven-cylinder reciprocating pump.

A sealing ring includes a planar upstream surface, a tapered downstream surface disposed opposite of the planar upstream surface, and an arcuate inner surface extending convexly from the planar upstream surface toward the tapered downstream surface. The arcuate inner surface is configured to engage with a reciprocating element of the reciprocating pump.

The invention discloses a leak-free reciprocating pump device for conveying a light hydrocarbon medium, which comprises a pump body, a box body and a plunger, and a plunger operation cavity, a liquid inlet valve and a liquid discharge valve are arranged in the pump body. And a stepped depressurization recovery module and an active hydraulic blocking and sealing module are sequentially arranged in the box body. The stepped depressurization recovery module achieves step-by-step depressurization of leaked media through two stages of sealing assemblies and a leakage collection cavity between the two stages of sealing assemblies, and the media are guided back through a backflow one-way valve. The active hydraulic blocking and sealing module injects lubricating oil higher than medium pressure into the lubricating oil cavity to form hydraulic sealing, and the active hydraulic blocking and sealing module and the rear end sealing assembly jointly block medium migration. And the lubricating oil cavity is connected with an external oil station to form a circulating cooling loop. The two modules cooperate to form a two-way blocking closed-loop sealing system, and the problems of leakage and gasification in light hydrocarbon medium high-pressure conveying are effectively solved.

The utility model discloses a high-polymer repairing device for a high-pressure reciprocating pump valve body of a dephosphorization water system, and relates to the technical field of repairing of the high-pressure reciprocating pump valve body of the dephosphorization water system, the high-polymer repairing device comprises a mold and a rotating shaft, the mold is used for being placed in a valve body to be repaired and is attached to the inner wall of the valve body; the rotating shaft is used for penetrating through the center of the die and is detachably and fixedly connected with the die, the die can be driven to rotate by rotating the rotating shaft so as to press the polymer repairing material into the eroded part of the valve body, the structure is simple, use is convenient, the valve body repairing efficiency of the reciprocating pump valve is effectively improved, and the repairing quality is effectively guaranteed.

An assembly for a reciprocating pump is made entirely from a polymer of the same grade, preferably polypropylene or polyethylene (at its relatively harder grade), which matches all other components in the pump. The assembly has a rod that moves in cooperation with an actuation mechanism of the pump; and a retainer coupled to the dispensing channel defined by the rod and forming an inlet to the dispensing channel. A coaxially received sliding seal is captured around the rod and holder and is free to move only during downward actuation to open the flow path of the dispensed fluid. Wing members on the periphery of the retainer flex to ensure that the assembly travels with minimal friction while also opening and sealing the inlet as desired / required.

The present application relates to the technical fields of reciprocating pump, and discloses a carbon fiber corrosion-resistant vacuum pump with convenient heat dissipation, comprising: a reciprocating pump body, which comprises a pump body, a crank connecting rod mechanism, a piston, an air inlet valve and an air outlet valve, the pump body is provided with an air inlet cavity for accommodating the crank connecting rod mechanism, and a gas exchange cavity for accommodating the piston, the air inlet valve and the air outlet valve; a heat dissipation execution module, which comprises a first heat dissipation module and a second heat dissipation module. The present application realizes the differentiated and accurate heat dissipation of different working areas of the vacuum pump by setting the heat dissipation execution module, the temperature sensing module and the control module; wherein the two heat dissipation modules in the heat dissipation execution module act on the gas exchange cavity and the movable cavity respectively, cooperate with the heat dissipation fan and the air volume distribution mechanism, and can adjust the heat dissipation intensity and direction according to the actual demand; the control module adaptively selects the appropriate heat dissipation mode according to the temperature data and the preset threshold value, so as to effectively reduce the energy consumption while ensuring the normal operation of the equipment.

A valve seat assembly for use in a fluid end assembly of a reciprocating pump may include an impingement ring and a support sleeve. A support sleeve and an impingement ring are disposed in a bore within the fluid end housing, the impingement ring engaging the support sleeve.

An internal combustion engine system according to the present invention comprises: an internal combustion engine including a combustion chamber, an engine piston demarcating the combustion chamber, an engine crankshaft, an engine connecting rod connecting the engine piston to the engine crankshaft, and an engine crankcase accommodating the engine crankshaft and the engine connecting rod; a reciprocating pump including a fuel gas flow path connecting the combustion chamber to a fuel gas supply source, a compression chamber, and a pump piston demarcating the compression chamber, the reciprocating pump pressurizing fuel gas in the fuel gas flow path; a pump crankshaft supported by the engine crankcase and connected to the engine crankshaft; and a pump connecting rod connecting the pump piston to the pump crankshaft.

The invention provides a diaphragm breakage detection device and a reciprocating pump device, which do not cause malfunction even if gas components contained in bubbles generated in a pump chamber penetrate through a diaphragm. This diaphragm breakage detection device (3) detects breakage of a diaphragm (25) of a reciprocating pump (2). A diaphragm breakage detection device is provided with: a fluid path (FP) that can communicate with a through-hole (24a) of a peripheral ring (24); a pressure detector (8) that detects the pressure in the fluid path; an exhaust valve (GV) connected to the fluid path; and a discharge path (65) connected to the exhaust valve. An exhaust valve is provided with: a valve body (9); a valve chamber (Rv) that accommodates the valve body; and a valve seat surface (42b) disposed above the valve body. The discharge path opens in the valve seat surface. The valve body can move between a valve closing position (P2) and a valve opening position (P1), and is located at the valve opening position when the diaphragm is not damaged. When the valve body is not in the closed valve position, the valve chamber communicates with the fluid path and the discharge path.

The utility model relates to the technical field of reciprocating pumps, and provides a three-cylinder reciprocating pump which comprises a shell with a through hole. The fluid end assembly is arranged on one side of the shell; the crank-link mechanism is arranged on the shell, and the crank-link mechanism comprises a power input end and a power output end; the driving shaft is rotationally arranged on the shell and is in transmission connection with the power input end; the pull rod is arranged in the shell in a reciprocating sliding manner; one end of the pull rod is arranged on the power output end; one end of the displacement piece penetrates through and is slidably arranged on the fluid end assembly, and the other end of the displacement piece is arranged at the other end of the pull rod. By means of the technical scheme, the problems that in the prior art, a reciprocating pump is large in size, heavy in weight, low in rotating speed, large in operation noise and the like are solved.

To provide a washing machine capable of simply and efficiently washing powder and granular material such as nickel powder or slurry thereof with a small work load.SOLUTION: A filtering and washing machine for powder and granular material represented by nickel powder suitably having a mean particle size of 200nm or less produced by a liquid phase method or a slurry thereof includes a Buchner funnel 1, a positive displacement pump 4 suitably including a reciprocating pump such as a diaphragm pump connected to an extraction nozzle of the Buchner funnel 1 via a pipe 3, and a flexible hose 5 represented by a blade hose connected to a discharge side of the positive displacement pump 4, and is preferably mounted on a truck 6.SELECTED DRAWING: Figure 1

The utility model discloses a reciprocating pump performance testing mechanism, and belongs to the technical field of petroleum drilling and production equipment. Comprising a driving device, at least three fixed manifolds with different bearing pressures, a movable manifold, a low-pressure manifold, a cooling unit, a circulating water tank and a suction manifold, the driving device is used for driving the reciprocating pump; the movable manifold is connected with a discharge port of a reciprocating pump to be tested, and the movable manifold can be communicated with the input end of any one of the fixed manifolds; the output end of each fixed manifold is communicated with the inlet of the cooling unit through a low-pressure manifold; an outlet of the cooling unit communicates with the circulating water tank; and the other end of the suction manifold is communicated with a suction inlet of the reciprocating pump. According to the utility model, the simulation test of different working environments of reciprocating pumps of different models can be realized under a simple structure, and the maximum test pressure can reach 140MPa, so that the test requirements of various reciprocating pumps can be met.

An assembly is used to connect an equalizer bar to a walking beam of a reciprocating pump unit. The walking beam has a bearing shaft having cylindrical ends. Brackets attached to the equalizer bar define slots, each having a hooked section and having a base section. The hooked sections are configured to rest against the cylindrical ends of the bearing shaft. The base sections of the slots oppose the hooked sections at a gap from the cylindrical ends of the bearing shaft. Wedges are configured to position in the slots between the bases and the cylindrical ends of the bearing shaft.

The present application belongs to the technical field of super-high pressure reciprocating pump, and particularly relates to a kind of super-high pressure reciprocating pump liquid end strength test device and method for realizing the strength test of super-high pressure reciprocating pump liquid end under low energy consumption state. The present application comprises a pulsation supercharging part for piston reciprocating stroke action, one end of a test pipeline is connected to the high pressure cavity of the pulsation supercharging part, and the other end of the test pipeline is connected to the liquid outlet of the pump cylinder of the reciprocating pump to be tested. The present application can realize effective simulation of the actual working condition alternating stress of the reciprocating pump liquid end to be tested under the premise of low energy consumption, and finally achieve the purpose of strength test of the liquid end.

The invention relates to a reciprocating pump and an installation method of the reciprocating pump. The reciprocating pump comprises a machine base, a crankshaft, a bearing and a bearing seat. The crankshaft comprises a plurality of cranks which are sequentially arranged at intervals, and a crankshaft journal is connected between every two adjacent cranks. The multiple bearings are annularly arranged on the crank in a one-to-one correspondence mode. The multiple bearing pedestals are connected to the bearings in a one-to-one correspondence mode, and the bearing pedestals can be detachably connected with the machine base and used for installing the crankshaft on the machine base. The bearing seat and the engine base are arranged to be of a detachable structure, so that the bearing seat can be independently maintained and replaced, the situation that the whole engine base is damaged due to damage of the bearing seat is avoided, and the service life of the engine base is prolonged. Besides, when the engine base and the crankshaft are assembled, the bearing seat, the bearing and the crankshaft can be assembled firstly, and then the assembled whole of the bearing seat, the bearing and the crankshaft is hung into the engine base to be connected, so that the strength of the engine base can be enhanced, and interference between the bearing seat and other structures in the engine base can be effectively avoided.