CN215338514U - Novel commutator with water separator as reversing mechanism - Google Patents
Novel commutator with water separator as reversing mechanism Download PDFInfo
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- CN215338514U CN215338514U CN202121642300.1U CN202121642300U CN215338514U CN 215338514 U CN215338514 U CN 215338514U CN 202121642300 U CN202121642300 U CN 202121642300U CN 215338514 U CN215338514 U CN 215338514U
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Abstract
The utility model discloses a novel commutator taking a water separator as a reversing mechanism, wherein a nozzle is fixed on a rack; a water separator is arranged below the nozzle; the water separator is arranged on the frame through a steering shaft; a cylinder is fixed on the frame at the side part of the water separator; the side wall of the water separator is connected with one end of a cylinder piston through a hinge, the other end of the cylinder piston is fixed with a separation blade, and a photoelectric sensor is arranged below the separation blade; a vertical partition plate is arranged in the middle of the water separator, outlets on two sides of the partition plate respectively correspond to a first outlet and a second outlet below the rack, the first outlet is communicated with a water tank, and the second outlet is communicated with a container above the electronic scale. The result of multiple tests shows that U4 is less than or equal to 0.008 percent, and the problem that the large-caliber commutator cannot meet the use requirement in the flowmeter commutator test is solved.
Description
Technical Field
The utility model relates to the technical field of instruments and meters, in particular to a commutator.
Background
With the rapid advance of the industry in China, the demand for high-precision flowmeters is increasing day by day, and many enterprises also increase the research and development of high-precision flowmeters, and constantly refresh the precision of the flowmeters, from the initial level 1 to the level 0.5 to the level 0.2, and the current international quality flowmeters reach the level 0.15. And the caliber of the flowmeter is gradually increased. The improvement of the accuracy of the flowmeter also increases the requirement on a flow standard device, and the accuracy of the commutator serving as a key part of the flow standard device also increases.
The problem of how to solve the problem that the precision of a large-caliber commutator is not enough is the main problem at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem of insufficient reversing precision of a large-caliber commutator by improving the structure of the original commutator, changing a main body of the commutator during movement and reversing, changing a mode of detecting liquid inflow and changing the triggering position of a photoelectric sensor. The specific technical scheme is as follows:
the novel commutator taking the water separator as a reversing mechanism comprises a frame, wherein a nozzle is fixed on the frame; a water separator is arranged below the nozzle; the water separator is arranged on the frame through a steering shaft; a cylinder is fixed on the frame at the side part of the water separator; the side wall of the water separator is connected with one end of a cylinder piston through a hinge, the other end of the cylinder piston is fixed with a separation blade, and a photoelectric sensor is arranged below the separation blade; a vertical partition plate is arranged in the middle of the water separator, outlets on two sides of the partition plate respectively correspond to a first outlet and a second outlet below the rack, the first outlet is communicated with a water tank, and the second outlet is communicated with a container above the electronic scale.
The hinge is including setting up the first connector at piston tip, first connector sets up the transverse groove, still including setting up the second connector at the water knockout drum lateral wall, the second connector sets up vertical groove, transverse groove and vertical groove are connected through the hinge axis.
The nozzle is provided with a flange, and the flange is connected with a water inlet pipe.
The steering shaft is fixed at the middle end bearing at the bottom of the water separator.
The utility model has the following beneficial effects and advantages:
1. in the flowmeter commutator test, the accuracy requirement of 0.01 percent is met, and the multiple test results show that U4 is less than or equal to 0.008 percent, so that the problem that the large-caliber commutator cannot meet the use requirement in the flowmeter commutator test is solved.
2. The nozzle of the commutator is designed in a fixed mode. The nozzle of the diverter is fixed above the water separator, and the detection liquid flows into the nozzle from one side of the nozzle, flows out from the lower part of the nozzle and enters the water separator. The position of the nozzle is fixed and does not change, so that stable flow is provided for the commutator to commutate, the problem of flow fluctuation caused by nozzle movement is greatly reduced, and uncertainty caused by flow fluctuation to the commutator is minimized.
3. The cylinder is linked with the water separator, and the hinge is used as a linking medium. The cylinder is used as a power source for the action of the commutator and is directly connected with the water separator, so that stable power can be provided for the commutator, the repeatability of the operation of the commutator is improved, and the precision is improved. The horizontal reciprocating motion of the cylinder is converted into the angular motion of the water separator through the form of the hinge, so that the water separator moves smoothly without blockage, and the precision of the commutator is improved.
4. The photoelectric sensor is arranged at the rear end of the cylinder, and the trigger baffle is arranged at the rear end of the main shaft of the cylinder. The trigger separation blade is installed at the rear end of cylinder main shaft, and the separation blade moves along with the cylinder motion, becomes horizontal motion, and more accurate trigger photoelectric sensor has got rid of the uncertainty that is brought by angular motion trigger photoelectric sensor. The photoelectric sensor is arranged at the rear end of the cylinder, and is convenient to adjust and maintain.
5. The water separator is used as a main reversing mechanism and is designed into an inverted Y-shaped structure, a baffle is designed in the middle of the water separator, the verification liquid enters from the upper end of the water separator, and the verification liquid is controlled to flow out from any one of two sides of the water separator through the angle of a rotating baffle, so that the reversing function is realized. Through accurate calculation, a rotating shaft is arranged on the water separator, so that the water separator can rotate freely under the action of external force. The design ensures that the water separator bears the reversing function of the commutator, flow fluctuation can not be influenced during reversing, the triggering of the photoelectric switch can not be influenced, and the precision of the commutator is greatly improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of the present invention;
fig. 3 is a detailed structural diagram of the hinge.
Detailed Description
The utility model is described in detail below with reference to the accompanying drawings, and as shown in fig. 1, the novel diverter using a water separator as a diverting mechanism of the patent comprises the following structural components:
the device comprises a frame 9, and a water separator 2 is arranged on the frame 9 through a steering shaft 3; the side wall of the water separator 2 is connected with one end of a piston of a cylinder 6 through a hinge 7, the other end of the piston of the cylinder is fixed with a baffle 4, and a photoelectric sensor 5 is arranged below the baffle 4; a nozzle 1 is arranged above the water separator; a vertical partition plate 11 is arranged in the middle of the water separator, outlets on two sides of the partition plate 11 respectively correspond to a first outlet 12 and a second outlet 13 below the rack, the first outlet 12 is communicated with a water tank, and the second outlet 13 is communicated with a container above the electronic scale;
the hinge comprises a first connector 62 arranged at the end part of the piston 61, the first connector 62 is provided with a transverse groove 63, the hinge also comprises a second connector 21 arranged on the side wall of the water separator 2, the second connector 21 is provided with a longitudinal groove 22, and the transverse groove 63 and the longitudinal groove 22 are connected through a hinge shaft 15;
the nozzle is provided with a flange 101, and the flange is connected with a water inlet pipe;
the nozzle 1 is fixed on a frame 9 through a bracket 10;
the steering shaft 3 is fixed at the bottom middle end bearing of the water separator 2.
The moving part mechanism of the commutator comprises a baffle 4, a cylinder 6, a hinge 7 and a water separator 2, wherein the water separator 2 is used as a main reversing mechanism of the commutator and a core part of the commutator, and a detection medium is changed to different directions within a specified time in the reversing process; the cylinder 6 is a power source of the reverser, and when the upper computer sends a reversing command, the cylinder acts to push the water separator to reverse; the hinge 7 is connected between the cylinder and the water separator, so that the water separator moves more smoothly and the phenomenon of blocking is avoided; the separation blade is fixed at the rear end of the cylinder piston rod, moves along with the cylinder, shields the photoelectric sensor and records reversing time.
The working principle of the utility model is briefly described as follows:
the action of the commutator is controlled by a host computer, and the electrical signal is converted into the mechanical movement of the cylinder through a relay and an electromagnetic valve. In the verification preparation stage, the water separator 2 is in a switch-out state, verification media flow in from the inlet flange of the nozzle 1, flow out from the outlet 8 of the nozzle, flow into the water separator 2, and flow out from the first outlet 12 and return to the water pool. When the upper computer sends a reversing signal, the electromagnetic valve on the air cylinder 6 acts to push the water distributor 2 to act, the water distributor moves from an exchange state to an exchange state within a specified time, a verification medium flows in from the nozzle outlet 8, flows out from the second outlet 13 through the water distributor and enters a container above the electronic scale to be weighed, meanwhile, the blocking piece 4 passes through the middle of the photoelectric sensor 5, the photoelectric sensor 5 is triggered to switch to act, and the photoelectric sensor transmits reversing time to the upper computer and records. The commutator completes the switching-in action.
When the verification time is finished, the upper computer sends a signal, the electromagnetic valve on the air cylinder 6 acts again, the air cylinder 6 acts, the water separator 2 is pulled to act through the hinge 7 connected between the air cylinder 6 and the water separator 5, the reverser is in a switching-out state within the specified time, and at the moment, a verification medium flows out from the nozzle outlet 8, enters the water separator and flows into the water tank through the first outlet 12. The separation blade 4 moves along with the cylinder 6 and passes the photoelectric sensor 5 again, the photoelectric sensor 5 triggers and transmits the reversing time to the upper computer, and one-time reversing is completed.
Table 1 shows a set of data of a DN300 commutator tested by a flowmeter method, and the data completely meet the use requirements of a large-caliber flow standard device.
TABLE 1
The structure of the utility model meets the precision requirement of 0.01 percent in the flowmeter commutator test, and the multiple test results show that U4 is less than or equal to 0.008 percent, thereby solving the problem that the large-caliber commutator can not meet the use requirement in the flowmeter commutator test.
Claims (4)
1. Use water knockout drum as novel commutator of reversing mechanism, including the frame, its characterized in that: the nozzle is fixed on the frame; a water separator is arranged below the nozzle; the water separator is arranged on the frame through a steering shaft; a cylinder is fixed on the frame at the side part of the water separator; the side wall of the water separator is connected with one end of a cylinder piston through a hinge, the other end of the cylinder piston is fixed with a separation blade, and a photoelectric sensor is arranged below the separation blade; a vertical partition plate is arranged in the middle of the water separator, outlets on two sides of the partition plate respectively correspond to a first outlet and a second outlet below the rack, the first outlet is communicated with a water tank, and the second outlet is communicated with a container above the electronic scale.
2. The novel diverter taking the water segregator as a diverting mechanism according to claim 1 is characterized in that: the hinge is including setting up the first connector at piston tip, first connector sets up the transverse groove, still including setting up the second connector at the water knockout drum lateral wall, the second connector sets up vertical groove, transverse groove and vertical groove are connected through the hinge axis.
3. The novel diverter taking the water segregator as a diverting mechanism according to claim 1 is characterized in that: the nozzle is provided with a flange, and the flange is connected with a water inlet pipe.
4. The novel diverter taking the water segregator as a diverting mechanism according to claim 1 is characterized in that: the steering shaft is fixed at the middle end bearing at the bottom of the water separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121642300.1U CN215338514U (en) | 2021-07-20 | 2021-07-20 | Novel commutator with water separator as reversing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121642300.1U CN215338514U (en) | 2021-07-20 | 2021-07-20 | Novel commutator with water separator as reversing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215338514U true CN215338514U (en) | 2021-12-28 |
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ID=79568392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121642300.1U Active CN215338514U (en) | 2021-07-20 | 2021-07-20 | Novel commutator with water separator as reversing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215338514U (en) |
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2021
- 2021-07-20 CN CN202121642300.1U patent/CN215338514U/en active Active
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