CN218822581U

CN218822581U - High pressure common rail system test bench oil spout flow measuring device

Info

Publication number: CN218822581U
Application number: CN202222709338.7U
Authority: CN
Inventors: 任晓峰; 蔡惠军; 方云佳
Original assignee: Wuxi Toefl Precision Machinery Co ltd
Current assignee: Wuxi Toefl Precision Machinery Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-04-07
Anticipated expiration: 2032-10-14

Abstract

The utility model discloses a high pressure common rail system test bench spouts oil flow measuring device, which comprises a main pipe, the inside symmetry of being responsible for is provided with the divertor, two be provided with the main shaft in the middle of the divertor, main shaft outside fixedly connected with bearing, bearing outside fixedly connected with turbine, be responsible for two equal symmetrical fixedly connected with funnels of terminal surface, two the equal fixedly connected with straight tube of funnels terminal surface, two the sealing washer has all been cup jointed to the straight tube terminal surface, the straight tube passes through the equal joint filter tube of sealing washer, the inside filter screen that is provided with of filter tube, the filter tube terminal surface is provided with the ring flange, two clamps have all been cup jointed to the sealing washer, be responsible for fixed surface and be connected with the link, the link inside sensor that is provided with, the link terminal surface is provided with the strapping table, and flow measurement compares in traditional device, can be convenient for installation and dismantlement, and the measuring accuracy is high, long service life.

Description

High pressure common rail system test bench oil spout flow measuring device

Technical Field

The utility model relates to a flow measuring device technical field specifically is a high pressure common rail system test bench spouts oil flow measuring device.

Background

The high-pressure common rail system is a closed-loop system consisting of a high-pressure oil pump, a pressure sensor and an ECU (electronic control unit), and is a fuel supply mode which completely separates the generation of injection pressure and the injection process from each other.

However, in order to detect the flow rate in the high-pressure common rail system, a flowmeter is usually required to be used for measurement, but the traditional flowmeter is connected with an oil pipe through a flange, the connection has a high requirement on the calibration degree during installation, and the flowmeter needs to ensure that a pipeline medium is full of pipes during measurement, so that the measurement precision is ensured, otherwise, the measurement error is large, so that the requirement of full pipes is also considered during installation of the flowmeter, and inconvenience is brought to installation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high pressure common rail system test bench spouts oil flow measuring device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high pressure common rail system test bench spouts oil flow measuring device, includes the person in charge, the inside symmetry of person in charge is provided with the divertor, two be provided with the main shaft in the middle of the divertor, main shaft outside fixedly connected with bearing, bearing outside fixedly connected with turbine, be responsible for two equal symmetry fixedly connected with funnels of terminal surface, two the equal fixedly connected with straight tube of funnels terminal surface, two the sealing washer has all been cup jointed to the straight tube terminal surface, the straight tube passes through the equal joint filter tube of sealing washer, the inside filter screen that is provided with of filter tube, the filter tube terminal surface is provided with the ring flange, the sealing washer has all been cup jointed two clamps, be responsible for fixed surface and be connected with the link, the link terminal surface is provided with the sensor, the link terminal surface is provided with the strapping table, and the installer can remove the fixed of clamp through unscrewing the bolt on the clamp fast, later dials the sealing washer and outwards can take out the clamp hard, only need aim at the recess of filter tube mouth department during the installation, cup jointed the sealing washer, fix again can, very big personnel's operation that has made things convenient for dismantle at any time and clear up.

Preferably, be responsible for fixed surface and be connected with the link, the link terminal surface is provided with the strapping table, and measurement personnel can audio-visual real-time supervision flow, makes things convenient for measurement personnel to operate.

Preferably, be responsible for two equal symmetry fixedly connected with filler pipes of terminal surface, the input diameter of filler pipe is greater than the diameter of output to guarantee that liquid from the input to the output after, make and be responsible for inside keeping "full pipe", make the measurement accuracy of flowmeter more accurate.

Preferably, the inside filter screen that is provided with of filter tube, when the fluid process filter tube, the impurity in the filter fluid that can be very big is flowed out in the filtration of filter screen, prevents that impurity from piling up and causing the jam influence in the pipeline, has improved the life of flowmeter.

Preferably, the straight tube passes through the equal joint filter tube of sealing washer, and the leakproofness when the sealing washer guarantees straight tube and filter tube connection prevents that the fluid from revealing.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, compare in traditional flowmeter, be provided with the funnel pipe between the pipeline, the input diameter of funnel pipe is greater than the diameter of output to guarantee that liquid from the input to the output after, make and be responsible for inside keeping "full pipe", make the measurement accuracy of flowmeter more accurate.

2. The utility model discloses in, compare in traditional flowmeter, the connection between the pipeline adopts the sealing washer to cup joint, and leakproofness when guaranteeing to connect between the pipeline prevents that fluid from revealing, later uses the clamp to fix, makes to connect more stably between the pipeline.

3. The utility model discloses in, compare in traditional flowmeter, be provided with the filter screen in the pipeline, the internal impurity of filter effluent that can be very big prevents that impurity from piling up and causing the jam influence in the pipeline, has improved flowmeter's life.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the connection state of the filtering pipe and the straight pipe of the present invention;

FIG. 3 is a schematic top view of the filtering tube of the present invention;

fig. 4 is a schematic view of the front view internal structure of the main tube of the present invention.

In the figure: 1. a main pipe; 2. a funnel tube; 3. a straight pipe; 4. clamping a hoop; 5. a filter tube; 6. a flange plate; 7. filtering with a screen; 8. a fluid director; 9. a main shaft; 10. a bearing; 11. a turbine; 12. a connecting frame; 13. a meter; 14. a sensor; 15. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 4, a device for measuring the fuel injection flow of a high-pressure common rail system test bed comprises a main pipe 1, wherein fluid deflectors 8 are symmetrically arranged inside the main pipe 1, fixing grooves are symmetrically arranged on the inner wall of the main pipe 1, the fluid deflectors 8 are clamped in the fixing grooves, the fluid deflectors 8 play a role in guiding fluid so as to prevent the fluid from spinning, a main shaft 9 is arranged between the two fluid deflectors 8, a bearing 10 is fixedly connected to the outer side of the main shaft 9, a turbine 11 is fixedly connected to the outer side of the bearing 10, and the fluid enters the main pipe 1 and is guided by the fluid deflectors 8 to be input to blades on the turbine 11, so that the turbine 11 is driven to rotate.

The surface of the main pipe 1 is fixedly connected with a connecting frame 12, a sensor 14 is arranged in the connecting frame 12, a meter 13 is arranged on the end face of the connecting frame 12, when fluid passes through the main pipe 1, the turbine 11 is pushed to rotate at a certain rotating speed, the rotating speed is a function of the fluid flow, at the moment, the frequency of a pulse signal output by the non-contact sensor 14 outside the main pipe 1 is in direct proportion to the rotating speed of the turbine 11, therefore, the output frequency of the sensor 14 is measured, and a measurer can determine the fluid flow through the meter 13.

Be responsible for 1 equal symmetry fixedly connected with funnel 2 of two terminal surfaces, the input diameter of funnel 2 is greater than the diameter of output to guarantee that liquid from input to output back, make and be responsible for 1 inside and keep "full pipe", thereby make the measurement accuracy of flowmeter more accurate.

2 equal fixedly connected with straight tubes of terminal surface 3 of two funnel pipes, 3 terminal surfaces of straight tube are provided with the concatenation dish, it is provided with the assembly platform of "C" type to assemble a set of terminal surfaces, the assembly platform bottom is provided with protruding piece, sealing washer 15 has all been cup jointed to 3 terminal surfaces of two straight tubes, straight tube 3 passes through equal joint filter tube 5 of sealing washer 15, filter tube 5 terminal surface is provided with the concatenation dish, concatenation dish terminal surface is provided with the concatenation platform of a "C" type, the inside recess that is provided with of concatenation platform, assembly platform diameter and concatenation platform diameter adaptation, protruding piece external diameter and groove width adaptation, carry out the joint through protruding piece and recess between filter tube 5 and the straight tube 3, the assembly platform carries out the amalgamation with the concatenation platform and is connected, make things convenient for the installation and the dismantlement of flowmeter, sealing washer 15 guarantees the leakproofness between the connection, prevent that the fluid from revealing.

Two clamps 4 have all been cup jointed to sealing washer 15, and clamp 4 is inside all to be provided with the seal groove, seal groove width and 15 width adaptations of sealing washer, and clamp 4 both ends all are provided with connects the platform, connect platform axle center department and be provided with a screw hole that runs through, and the screw hole is used for construction bolt, and two clamps 4 are fixed through the bolt, and the installer can remove clamp 4's fixed fast through unscrewing the bolt on the clamp 4, makes things convenient for the installation and the dismantlement of flowmeter.

The inside filter screen 7 that is provided with of filter tube 5, when fluid process filter tube 5, the impurity in the filter fluid that filter screen 7 can be very big is flowed in, prevents that impurity from piling up and causing the jam influence in the pipeline, has improved flowmeter's life, and filter tube 5 terminal surface is provided with ring flange 6, and ring flange 6 is inside to be provided with a plurality of connecting hole, and filter tube 5 is connected with the fluid pipeline through ring flange 6, has guaranteed joint strength and leakproofness.

The working principle is as follows: the utility model discloses in the use, the installer only need be connected filter tube 5 and pipeline through ring flange 6, carries out the joint through straight tube 3 on the flowmeter with filter tube 5 afterwards, then cup joints sealing washer 15, and sealing washer 15 guarantees the leakproofness when straight tube 3 is connected with filter tube 5, prevents that the fluid from revealing, later cup joints sealing washer 15 through two clamps 4, makes the connection between straight tube 3 and the filter tube 5 more stable.

When fluid process filter tube 5, filter screen 7 inside filter tube 5 can filter the impurity in the fluid, prevents that impurity from piling up the jam in the pipeline, and the fluid flows to funnel 2 through straight tube 3 afterwards, and the input diameter of funnel 2 is greater than the diameter of output to when guaranteeing that liquid is responsible for 1 from the input to the output flow direction, make and be responsible for 1 inside and keep "full pipe".

The fluid flows through the main pipe 1, is guided and input to blades on the turbine 11 through the fluid director 8 in the main pipe 1, so that the turbine 11 is driven to rotate, the rotating speed of the turbine 11 is measured through the sensor 14 above the turbine 11, then the sensor 14 is input to the gauge 13 through the calculated output frequency, a measurer measures through the observation gauge 13, and then the fluid flows out of the filter pipe 5 on the other side.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high pressure is rail system test bench spouts oil flow measuring device altogether, is responsible for (1) including being responsible for, its characterized in that: be responsible for (1) inside symmetry and be provided with divertor (8), two be provided with main shaft (9) in the middle of divertor (8), main shaft (9) outside fixedly connected with bearing (10), bearing (10) outside fixedly connected with turbine (11), be responsible for (1) two equal symmetrical fixedly connected with funnel (2) of terminal surface, two the equal fixedly connected with straight tube (3) of funnel (2) terminal surface, two sealing washer (15) have all been cup jointed to straight tube (3) terminal surface, straight tube (3) are through equal joint filter tube (5) of sealing washer (15), two clamp (4) have all been cup jointed in sealing washer (15), filter tube (5) inside is provided with filter screen (7), filter tube (5) terminal surface is provided with ring flange (6), be responsible for (1) fixed surface and be connected with link (12), link (12) inside is provided with sensor (14), link (12) terminal surface is provided with strapping table (13).

2. The device of claim 1, wherein the device comprises: the inner wall of the main pipe (1) is symmetrically provided with fixing grooves, and the fluid director (8) is clamped in the fixing grooves.

3. The oil injection flow measuring device of the high-pressure common rail system test bed according to claim 1, characterized in that: the straight tube (3) terminal surface is provided with the concatenation dish, it is provided with the assembly platform of "C" type to assemble the dish terminal surface, the assembly platform bottom is provided with protruding piece, filter tube (5) terminal surface is provided with the concatenation dish, it is provided with the concatenation platform of "C" type to splice the dish terminal surface, the inside recess that is provided with of concatenation platform, assembly platform diameter and concatenation platform diameter adaptation, protruding piece external diameter and recess width adaptation.

4. The oil injection flow measuring device of the high-pressure common rail system test bed according to claim 1, characterized in that: the inside seal groove that all is provided with of clamp (4), seal groove width and sealing washer (15) width adaptation.

5. The device of claim 1, wherein the device comprises: the clamp (4) is characterized in that the two ends of the clamp (4) are both provided with connecting tables, the axle center of each connecting table is provided with a through threaded hole, the threaded holes are used for installing bolts, and the clamp (4) is fixed through the bolts.

6. The device of claim 1, wherein the device comprises: and a connecting hole is formed in the flange plate (6).