CN110439798B - Simulation measurement test bed for lateral force of plunger movement of high-speed plunger pump - Google Patents

Simulation measurement test bed for lateral force of plunger movement of high-speed plunger pump Download PDF

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Publication number
CN110439798B
CN110439798B CN201910655193.7A CN201910655193A CN110439798B CN 110439798 B CN110439798 B CN 110439798B CN 201910655193 A CN201910655193 A CN 201910655193A CN 110439798 B CN110439798 B CN 110439798B
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China
Prior art keywords
plunger
cavity
lateral force
test bed
side wall
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CN110439798A (en
Inventor
赵江澳
马纪明
邓红革
王明康
刘继
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Beihang University
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Beihang University
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
    • F04B1/124—Pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
    • F04B1/124—Pistons
    • F04B1/126—Piston shoe retaining means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B51/00—Testing machines, pumps, or pumping installations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts

Abstract

The invention discloses a simulation measurement test bed for the lateral force of plunger movement of a high-speed plunger pump, which comprises the following steps: the main cavity is fixed on the top surface of the table body; the rotating part is rotatably connected in the cavity of the main cavity body; the driving part is arranged in the table body and is used for driving the rotating part to rotate; the plunger cavity is fixed on the top of the main cavity in a sealing way; the bushing is sleeved in the cavity of the plunger cavity, and a layer of resin is filled between the inner wall of the plunger cavity and the side wall of the bushing; the plunger is movably connected in the bushing, the bottom of the plunger is connected with the rotating part, and the plunger is driven by the rotating part to reciprocate up and down; the screw penetrates through the side wall of the plunger cavity to be fixedly connected with the side wall of the bushing, and the screw is connected with a force application assembly; a plurality of force sensors are fixed on the side wall of the plunger cavity and connected with the side wall of the lining. According to the invention, an outward centrifugal force is simulated and applied on the bushing, the force sensor can measure the lateral force of the plunger, the defect that the traditional test bed lacks centrifugal force consideration during test is overcome, the simulation effect is good, and the measurement precision is high.

Description

Simulation measurement test bed for lateral force of plunger movement of high-speed plunger pump
Technical Field
The invention relates to the technical field of plunger motion simulation tests, in particular to a plunger motion lateral force simulation measurement test bed of a high-speed plunger pump.
Background
At present, plungers are used primarily in pumps or compressors for transporting fluids. The swash plate type axial plunger pump mainly comprises a main shaft, a cylinder body, a plunger, a sliding shoe, a return plate, a swash plate and the like; the working principle is as follows: under the drive of the motor, the main shaft drives the cylinder body to rotate through spline connection, the cylinder body drives the plunger to rotate, the plunger reciprocates in the cylinder hole under the action of the swash plate and the return plate, and the piston shoes are arranged at the heads of the plungers, so that the bottoms of the piston shoes are always kept attached to the swash plate under the action of the return plate. In order to realize accurate switching between the reciprocating motion of the plunger and oil suction and pressure oil, a fixed flow distribution disc is arranged between the flow distribution end surface of the cylinder body and the oil suction port and the oil pressure port of the pump, and the flow distribution disc is tightly attached to the cylinder body to slide relatively. When the cylinder body rotates, the volume of the plunger cavity changes periodically, and each plunger finishes oil absorption and oil pressing once when the cylinder body rotates for a circle.
However, for high speed plunger pumps, the centrifugal forces experienced by the plunger assembly are not negligible. The rotating speed of the high-speed plunger pump is usually more than 10000rpm, and the plunger pump has wide application prospect in the fields of aerospace, robots and the like. Along with the continuous improvement of the rotating speed of the plunger pump, the requirement on the use performance of the plunger is also continuously improved, and the necessity of the performance research of the plunger is stronger and stronger due to the higher requirement on the use performance of the plunger. Some test beds for plunger performance research already exist at home and abroad, however, the existing structure is mainly developed for pumps with low rotating speed and large displacement, the influence of centrifugal force on lateral force of the plunger at high speed is ignored, and although the influence of the centrifugal force is not large at low rotating speed, the centrifugal force is not ignored at high rotating speed.
Therefore, it is an urgent need to solve the problem of the art to provide a high-precision simulation test bed which has a good simulation effect and can perform simulation measurement on the lateral force of the high-speed plunger pump during the plunger movement.
Disclosure of Invention
In view of the above, the invention provides a simulation measurement test bed for lateral force of plunger movement of a high-speed plunger pump, which can accurately perform simulation test measurement on the lateral force of the plunger during movement by simulating the actual situation that the plunger is driven by the plunger pump to rotate and having a centrifugal force application function.
In order to achieve the purpose, the invention adopts the following technical scheme:
a simulation measurement test bench for lateral force of plunger movement of a high-speed plunger pump comprises: the device comprises a table body, a main cavity, a rotating part, a driving part, a plunger cavity, a bushing, a plunger, a screw and a force sensor;
the main cavity is fixed on the top surface of the table body;
the rotating part is rotatably connected in the cavity of the main cavity, and a layer of resin is filled between the inner wall of the cavity of the plunger piston and the side wall of the bush;
the driving part is arranged in the table body and is used for driving the rotating part to rotate;
the plunger cavity is fixed on the top of the main cavity in a sealing manner;
the bushing is sleeved in the cavity of the plunger cavity;
the plunger is movably connected in the bushing, the bottom of the plunger is connected with the rotating part, and the plunger is driven by the rotating part to reciprocate up and down;
the screw penetrates through the side wall of the plunger cavity and is fixedly connected with the side wall of the bushing, and the screw is connected with a force application assembly;
the force sensors are fixed on the side wall of the plunger cavity and connected with the side wall of the lining.
According to the technical scheme, the driving part and the rotating part are adopted to drive the plunger to move up and down, the simulation of the plunger at different rotating speeds is realized by controlling the motor, outward centrifugal forces with different sizes are directly simulated and applied to the bushing through the connection of the screw and the bushing, the lateral force of the plunger can be measured through the force sensor, the defect that the traditional test bed is lack of centrifugal force during a movement test is overcome, the simulation effect is good, and the measurement precision is high.
Preferably, in the simulation test bed for measuring lateral force of plunger movement of the high-speed plunger pump, the rotating part comprises a rotating shaft, a swash plate, a T-shaped plate and a sliding shoe; the bottom of the rotating shaft is connected with the driving part; the swash plate is fixed on the top of the rotating shaft, is a disc with an inclined top surface, and has an annular clamping edge protruding upwards at the edge; the T-shaped disc is fixed in the center of the top of the swash plate and forms an annular clamping groove with the annular clamping edge; the piston shoes are connected in the annular clamping grooves in a sliding mode, and spherical grooves connected with the plungers are formed in the tops of the piston shoes. In the rotating process of the swash plate, the inclined plane is uneven, so that the sliding shoes move up and down in the annular clamping grooves, the pistons are driven to move up and down, the plunger pump can be effectively simulated to drive the plungers to rotate, and the simulation precision is high.
Preferably, in the simulation test bed for measuring the lateral force of the plunger in the high-speed plunger pump, the bottom of the plunger is of a spherical structure and is rotatably connected in the spherical groove. The plunger and the sliding shoe can have enough degree of freedom, so that the plunger can adapt to angle change of the sliding shoe during height change, and the smoothness is higher.
Preferably, in the simulation test bed for measuring lateral force of plunger movement of the high-speed plunger pump, the driving part comprises a motor, a torque tachometer and a coupling; the motor is fixed inside the table body; the power output end at the top of the motor is connected with the torque tachometer through the coupler; the torque tachometer is connected with the bottom of the rotating shaft through the coupler. The driving precision of the driving part is effectively improved.
Preferably, in the simulation test bed for measuring the lateral force of the plunger in the high-speed plunger pump, a first oil inlet hole penetrating through the plunger in the axial direction is formed in the plunger; and the sliding shoe is provided with a second oil inlet which can be communicated with the first oil inlet, and the second oil inlet is communicated with the annular clamping groove. Can pass through the plunger to input hydraulic oil between piston shoes and the ring groove, improve the smooth and easy degree during the motion to improve the motion precision.
Preferably, in the simulation test bed for measuring the lateral force of the plunger in the high-speed plunger pump, a plunger cavity cover is fixed at the top of the plunger cavity, and the plunger cavity cover is provided with a third oil inlet hole communicated with the first oil inlet hole; and the top end of the plunger cavity cover is connected with an oil inlet pipe joint communicated with the third oil inlet hole. The smoothness of hydraulic oil injection is ensured.
Preferably, in the simulation test bed for measuring lateral force of plunger movement of the high-speed plunger pump, an oil return pipe joint communicated with the cavity of the main cavity is fixed at the joint of the main cavity and the plunger cavity, and the oil return pipe joint is connected with the oil inlet pipe joint through an oil return pump system. Hydraulic oil finally flows into the cavity of the main cavity, and the oil return pipe joint is connected with the oil inlet pipe joint through an oil return pump system, so that the repeated cyclic utilization of the hydraulic oil can be realized.
Preferably, in the simulation test bed for measuring the lateral force of the plunger movement of the high-speed plunger pump, the force application assembly comprises a support rod, a roller, a connecting rope and a weight; the supporting rod is fixed on the top surface of the table body; the roller is rotatably connected to the top of the support rod and is on the same horizontal plane with the screw; one end of the connecting rope is fixedly connected with the screw, and the other end of the connecting rope bypasses the roller wheel to suspend different quantities of weights. The centrifugal force can be conveniently applied, the operation is simple, and the effect is obvious.
Preferably, in the simulation test bed for measuring the lateral force of the plunger in the high-speed plunger pump, the 8 force sensors are in a cross shape, and the side wall of the plunger cavity is divided into an upper layer and a lower layer to form a force sensor array. The stress distribution condition of the lateral force of the side wall of the plunger cavity can be obtained through further data processing.
Through the technical scheme, compared with the prior art, the invention discloses a simulation measurement test bed for the lateral force of the plunger movement of the high-speed plunger pump, which has the following beneficial effects:
1. the invention adopts the driving part and the rotating part to drive the plunger piston to realize the up-and-down movement, realizes the simulation of the plunger piston at different rotating speeds by controlling the motor, directly simulates and applies outward centrifugal forces with different sizes on the bushing by connecting the screw and the bushing, can measure the lateral force of the plunger piston by the force sensor, overcomes the defect that the traditional test bed lacks the centrifugal force during the movement test, and has good simulation effect and high measurement precision.
2. In the rotating process of the swash plate, the slide shoes move up and down in the annular clamping grooves due to the uneven height of the inclined surfaces, so that the pistons are driven to move up and down, the plunger pump can be effectively simulated to drive the plungers to rotate, and the simulation precision is high.
3. According to the invention, the oil return pipe joint is connected with the oil inlet pipe joint through the oil return pump system, hydraulic oil can be input between the sliding shoes and the annular clamping groove through the plunger, the smoothness degree during movement is improved, the movement precision is improved, and meanwhile, the repeated cyclic utilization of the hydraulic oil can be realized.
4. By arranging an array of sensors on the liner, accurate measurement of the plunger lateral force is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure provided by the present invention;
FIG. 2 is an enlarged view of the top of the table body according to the present invention;
FIG. 3 is a front view, partly in section, of the structure of the table top according to the present invention;
FIG. 4 is a side view, partly in section, of the structure of the table top according to the invention;
FIG. 5 is a schematic structural view of a slipper provided by the present invention;
FIG. 6 is an overall front cross-sectional view of the present invention;
figure 7 is an enlarged view of the main cross-section of the plunger connecting portion provided by the present invention.
Wherein:
01-a table body;
02-a main cavity;
03-a turning part;
030-spindle;
031-a swash plate;
0311-a ring-shaped clamp rim;
032-T disk;
033-a slipper;
0330-a spherical recess;
0331-a second oil inlet hole;
034-ring groove;
035-angular contact ball bearings;
036-spring;
04-a driving part;
040-motor;
041-torque tachometer;
042-coupling;
05-plunger cavity;
06-a lining;
07-a plunger;
070-a first oil inlet;
08-screw;
09-a force application component;
090-struts;
091-rollers;
10-plunger chamber cover;
100-a third oil inlet hole;
11-an oil inlet pipe joint;
12-an oil return pipe joint;
13-force sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the accompanying drawings 1 to 7, the embodiment of the invention discloses a simulation measurement test bed for lateral force of plunger movement of a high-speed plunger pump, which comprises: the device comprises a table body 01, a main cavity 02, a rotating part 03, a driving part 04, a plunger cavity 05, a bushing 06, a plunger 07, a screw 08 and a force sensor 13;
the main cavity 02 is fixed on the top surface of the table body 01;
the rotating part 03 is rotatably connected in the cavity of the main cavity 02, and a layer of resin is filled between the inner wall of the plunger cavity 05 and the side wall of the bush 06;
the driving part 04 is arranged inside the table body 01 and is used for driving the rotating part 03 to rotate;
the plunger cavity 05 is hermetically fixed at the top of the main cavity 02;
the bush 06 is sleeved in the cavity of the plunger cavity 05;
the plunger 07 is movably connected in the bush 06, the bottom of the plunger 07 is connected with the rotating part 03, and the plunger 07 reciprocates up and down under the drive of the rotating part 03;
the screw 08 penetrates through the side wall of the plunger cavity 05 and is fixedly connected with the side wall of the bushing 06, and the screw 08 is connected with a force application assembly 09;
a plurality of force sensors 13 are fixed on the side wall of the plunger cavity 05 and connected with the side wall of the bush 06.
The table 01 is made of marble.
In order to further optimize the above technical solution, the rotating portion 03 includes a rotating shaft 030, a swash plate 031, a T-shaped plate 032, and a slipper 033; the bottom of the rotating shaft 030 is connected with the driving part 04; the swash plate 031 is fixed on the top of the rotating shaft 030, the swash plate 031 is a disc with an inclined top surface, and the edge of the swash plate 031 is provided with an annular clamping edge 0311 protruding upwards; the T-shaped plate 032 is fixed at the center of the top of the swash plate 031, and forms an annular clamping groove 034 with the annular clamping edge 0311; the skid shoe 033 is slidably connected in the annular clamping groove 034, and a spherical groove 0330 connected with the plunger 07 is formed in the top of the skid shoe 033.
It should be noted that an angular contact ball bearing 035 is disposed between the rotating shaft 030 and the inner wall of the main cavity 02, and a spring 036 is further sleeved on the rotating shaft 030.
In order to further optimize the technical scheme, the bottom of the plunger 07 is of a spherical structure and is rotatably connected in the spherical groove 0330.
In order to further optimize the above technical solution, the driving part 04 includes a motor 040, a torque tachometer 041 and a coupling 042; the motor 040 is fixed inside the table body 01; the power output end at the top of the motor 040 is connected with the torque tachometer 041 through a coupler 042; the torque tachometer 041 is connected to the bottom of the rotating shaft 030 through a coupling 042.
In order to further optimize the technical scheme, a first oil inlet hole 070 penetrating in the axial direction is formed in the plunger 07; the skid shoe 033 is provided with a second oil inlet hole 0331 which is communicated with the first oil inlet hole 070, and the second oil inlet hole 0331 is communicated with the annular clamping groove 034.
In order to further optimize the technical scheme, a plunger cavity cover 10 is fixed at the top of the plunger cavity 05, and the plunger cavity cover 10 is provided with a third oil inlet hole 100 communicated with the first oil inlet hole 070; the top end of the plunger cavity cover 10 is connected with an oil inlet pipe joint 11 communicated with the third oil inlet hole 100.
In order to further optimize the technical scheme, an oil return pipe joint 12 communicated with the cavity of the main cavity 02 is fixed at the joint of the main cavity 02 and the plunger cavity 05, and the oil return pipe joint 12 is connected with the oil inlet pipe joint 11 through an oil return pump system.
In order to further optimize the technical scheme, the force application assembly 09 comprises a strut 090, a roller 091, a connecting rope and a weight; the strut 090 is fixed on the top surface of the table body 01; the roller 091 is rotatably connected to the top of the strut 090 and is on the same horizontal plane with the screw 08; one end of the connecting rope is fixedly connected with the screw 08, and weights with different numbers are hung at the other end of the connecting rope by bypassing the roller 091.
In order to further optimize the technical scheme, the 8 force sensors 13 are in a cross shape, and an upper layer and a lower layer are arranged on the side wall of the plunger cavity 05 to form a force sensor array.
The working principle of the invention is as follows:
motor 040 drive pivot 030 rotates, and pivot 030 drives sloping cam plate 031 and rotates, and sloping cam plate 031 is when rotating, because plunger 07 is spacing in bush 06, makes piston shoe 033 static, produces relative motion with ring groove 034 moreover, because the slope of sloping cam plate 031 is high low difference, and then drives plunger 07 up-and-down motion. The motion of the plunger pump can be effectively simulated, and the motion of the plunger 07 at different frequencies is realized by adjusting the rotation speed of the motor 040.
Hydraulic oil enters from the oil inlet pipe joint 11, flows into the first oil inlet hole 070 formed in the plunger 07 through the third oil inlet hole 100 formed in the plunger cavity cover 10, then enters the annular clamping groove 034 through the second oil inlet hole 0331 formed in the slipper 033, and lubricates the relative movement of the slipper 033.
The connecting rope is hung on the screw 08, the weight is hung around the roller 091, certain force is applied to the bushing 06, then the application of the centrifugal force to the plunger 07 is realized, the force is obtained through theoretical calculation, and the control of the centrifugal force is realized by adjusting the number of the weights. The force sensor array formed by the force sensors 13 inductively measures the force on the bushing 06, so as to obtain the magnitude of the lateral force of the bushing 06 on the plunger 07.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The utility model provides a high-speed plunger pump's plunger motion lateral force analogue measurement test platform which characterized in that includes: the device comprises a table body (01), a main cavity (02), a rotating part (03), a driving part (04), a plunger cavity (05), a bush (06), a plunger (07), a screw (08) and a force sensor (13);
the main cavity (02) is fixed on the top surface of the table body (01);
the rotating part (03) is rotatably connected in the cavity of the main cavity body (02);
the driving part (04) is arranged in the table body (01) and is used for driving the rotating part (03) to rotate;
the plunger cavity (05) is hermetically fixed at the top of the main cavity (02);
the bushing (06) is sleeved in a cavity of the plunger cavity (05), and a layer of resin is filled between the inner wall of the plunger cavity (05) and the side wall of the bushing (06);
the plunger (07) is movably connected in the bushing (06), the bottom of the plunger (07) is connected with the rotating part (03), and the plunger (07) is driven by the rotating part (03) to reciprocate up and down;
the screw (08) penetrates through the side wall of the plunger cavity (05) and is fixedly connected with the side wall of the bushing (06), and the screw (08) is connected with a force application assembly (09);
the force sensors (13) are fixed on the side wall of the plunger cavity (05) and connected with the side wall of the bushing (06).
2. The plunger motion lateral force simulation measurement test bed of the high-speed plunger pump according to claim 1, characterized in that the rotating part (03) comprises a rotating shaft (030), a swash plate (031), a T-shaped plate (032) and a skid shoe (033); the bottom of the rotating shaft (030) is connected with the driving part (04); the swash plate (031) is fixed on the top of the rotating shaft (030), the swash plate (031) is a disc with an inclined top surface, and the edge of the swash plate is provided with an annular clamping edge (0311) which protrudes upwards; the T-shaped plate (032) is fixed in the center of the top of the swash plate (031), and forms an annular clamping groove (034) with the annular clamping edge (0311); the sliding shoes (033) are connected in the annular clamping groove (034) in a sliding mode, and spherical grooves (0330) connected with the plungers (07) are formed in the tops of the sliding shoes (033).
3. The plunger motion lateral force simulation measurement test bed of a high-speed plunger pump according to claim 2, characterized in that the bottom of the plunger (07) is of a spherical structure and is rotatably connected in the spherical groove (0330).
4. The plunger motion lateral force simulation measurement test bed of a high-speed plunger pump according to claim 2, characterized in that the driving part (04) comprises a motor (040), a torque tachometer (041) and a coupling (042); the motor (040) is fixed inside the table body (01); the power output end at the top of the motor (040) is connected with the torque tachometer (041) through the coupling (042); the torque tachometer (041) is connected with the bottom of the rotating shaft (030) through the coupler (042).
5. The simulation measurement test bed for the lateral force of the plunger movement of the high-speed plunger pump according to any one of claims 2 to 4, characterized in that a first oil inlet hole (070) penetrating through the plunger (07) in the axial direction is formed in the plunger; the skid shoes (033) are provided with second oil inlet holes (0331) which are communicated with the first oil inlet holes (070), and the second oil inlet holes (0331) are communicated with the annular clamping grooves (034).
6. The simulation measurement test bed for the lateral force of the plunger movement of the high-speed plunger pump according to claim 5, characterized in that a plunger cavity cover (10) is fixed on the top of the plunger cavity (05), and the plunger cavity cover (10) is provided with a third oil inlet hole (100) communicated with the first oil inlet hole (070); and the top end of the plunger cavity cover (10) is connected with an oil inlet pipe joint (11) communicated with the third oil inlet hole (100).
7. The simulation measurement test bed for the lateral force of the plunger movement of the high-speed plunger pump according to claim 6, characterized in that an oil return pipe joint (12) communicated with the cavity of the main cavity body (02) is fixed at the joint of the main cavity body (02) and the plunger cavity body (05), and the oil return pipe joint (12) is connected with the oil inlet pipe joint (11) through an oil return pump system.
8. The plunger motion lateral force simulation measurement test bed of the high-speed plunger pump according to claim 1, characterized in that the force application assembly (09) comprises a strut (090), a roller (091), a connecting rope and a weight; the strut (090) is fixed on the top surface of the table body (01); the roller (091) is rotatably connected to the top of the strut (090) and is on the same horizontal plane with the screw (08); one end of the connecting rope is fixedly connected with the screw (08), and the other end of the connecting rope bypasses the roller (091) and hangs different numbers of weights.
9. The plunger motion lateral force simulation measurement test bed of the high-speed plunger pump according to claim 1, characterized in that 8 force sensors (13) are in a cross shape, and are arranged on the side wall of the plunger cavity (05) in an upper layer and a lower layer to form a force sensor array.
CN201910655193.7A 2019-07-19 2019-07-19 Simulation measurement test bed for lateral force of plunger movement of high-speed plunger pump Active CN110439798B (en)

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Application Number Priority Date Filing Date Title
CN201910655193.7A CN110439798B (en) 2019-07-19 2019-07-19 Simulation measurement test bed for lateral force of plunger movement of high-speed plunger pump

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Application Number Priority Date Filing Date Title
CN201910655193.7A CN110439798B (en) 2019-07-19 2019-07-19 Simulation measurement test bed for lateral force of plunger movement of high-speed plunger pump

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US6347553B1 (en) * 2000-02-28 2002-02-19 Alaris Medical Systems, Inc. Force sensor assembly for an infusion pump
CN102562567A (en) * 2012-01-20 2012-07-11 哈尔滨工业大学 Device for measuring leakage of barrel and plunger assembly in plunger pump
CN104198100B (en) * 2014-08-04 2016-06-01 浙江大学 Adopt the plunger pair friction measurement device that cylinder body rotates
CN104458466A (en) * 2014-10-27 2015-03-25 贵州大学 Friction performance testing device for slipper pair of high-pressure axial plunger pump
CN105181205B (en) * 2015-09-09 2017-07-07 浙江大学 A kind of axial force test device of high-voltage high-speed axial plunger pump plunger pair four
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