CN202809118U - Weft insertion flow guide groove airflow simulation measuring system - Google Patents
Weft insertion flow guide groove airflow simulation measuring system Download PDFInfo
- Publication number
- CN202809118U CN202809118U CN 201220275505 CN201220275505U CN202809118U CN 202809118 U CN202809118 U CN 202809118U CN 201220275505 CN201220275505 CN 201220275505 CN 201220275505 U CN201220275505 U CN 201220275505U CN 202809118 U CN202809118 U CN 202809118U
- Authority
- CN
- China
- Prior art keywords
- wefting insertion
- lower wall
- tube seat
- water conservancy
- conservancy diversion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Looms (AREA)
Abstract
The utility model discloses a weft insertion flow guide groove airflow simulation measuring system, which comprises a flow guide pipe groove, wherein two or three auxiliary spray nozzles are arranged in the horizontal direction of the flow guide pipe groove; the auxiliary spray nozzles are all connected onto an auxiliary airflow jetting control system; a pneumatic sensor is arranged inside an inner cavity of the flow guide pipe groove; the pneumatic sensor is connected with a transducer; and the transducer is connected with a storage oscilloscope. The auxiliary spray nozzles and the pneumatic sensor are adopted to relatively move in the weft insertion flow guide pipe groove, so that the velocity variation of airflow in the pipe groove is detected and the most appropriate size of the flow guide pipe groove is determined. The length of the spraying interval of each auxiliary spray nozzle is changed, and the space between the pneumatic sensor and the auxiliary spray nozzles is changed, so that the relations between factors and the weft insertion groove airflow distribution can be measured; and the relations between the most appropriate size of the flow guide pipe groove and the spraying of the auxiliary spray nozzles can be researched, so that a weft insertion airflow field which can save the most flow rate is formed.
Description
Technical field
The utility model belongs to the air-jet loom field, is specifically related to jet wefting insertion system, relates in particular a kind of simulation wefting insertion guiding gutter gas flow measurement system.
Background technology
As the wefting insertion medium, weft yarn flies along the wefting insertion groove pneumatic picking in the wefting insertion process with high velocity air.The size of the wefting insertion groove that uses now is determined at the beginning of the eighties, and the speed of its air-jet loom only has 450 rev/mins, and filling speed only has the 50-60 meter per second.And present 900 rev/mins of the speed of air-jet loom, filling speed 100-150 meter per second, flying distance 2-4 rice, the speed of loom and weft yarn flying speed double.
Leap in the shed open process at weft yarn, the characteristic of weft yarn flight depends primarily in addition parts of the wefting insertion such as auxiliary nozzle and Profiled Reed.The wefting insertion jet-stream wind is dispersed very fast, just significantly decay after the main injection air-flow continues tens millimeters, and the continuity of weft tracting flow relies on wefting insertion water conservancy diversion tube seat to guiding and the protection of air-flow.
The speed that present weft yarn leaps the reed groove reaches more than 120 meter per seconds, the speed that arrives the auxiliary gaseous blast of weft yarn flight path adjacent domain must meet or exceed 120 meter per seconds on the component of weft yarn heading, because the speed of weft tracting flow can not be lower than the weft yarn flying speed.Therefore, be necessary to determine to be suitable for by simulated test wefting insertion groove optimum shape and the size of 120-150 meter per second speed.
The utility model content
The purpose of this utility model purport provides a kind of simulation wefting insertion guiding gutter gas flow measurement system for air-jet loom, with the relation of air-flow in size, shape and the tube seat of analog detection method detection wefting insertion water conservancy diversion tube seat, seek the water conservancy diversion tube seat that is more suitable for the high flying speed of weft yarn.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions:
A kind of simulation wefting insertion guiding gutter gas flow measurement system, comprise the water conservancy diversion tube seat, described water conservancy diversion tube seat be furnished with in a lateral direction two or three pilot jets, described pilot jet all is connected on the auxiliary gaseous blast control system, be placed with pneumatic sensor in the inner chamber of described water conservancy diversion tube seat, described pneumatic sensor connects transmitter, and described transmitter connects storage oscillograph.
Further, described water conservancy diversion tube seat is fixed on the workbench by water conservancy diversion tube seat carriage, and described two or three pilot jets are fixed on the described workbench by the pilot jet carriage.
Further, described auxiliary gaseous blast control system comprises source of the gas, gas bag, pressure regulator valve, electromagnetic valve and control panel, described two or three pilot jets all connect described pressure regulator valve by described electromagnetic valve, described pressure regulator valve connects described gas bag, described gas bag connects source of the gas, and described control panel connects the opening and closing time that described electromagnetic valve is used for the control electromagnetic valve.
Further, the inner chamber of described water conservancy diversion tube seat is used for ventilation stream, comprises upper wall, lower wall and inwall, and described inwall is processed with some slits that are parallel to each other, and described slit Working position is until upper wall and lower wall.
Further, the height of described inner chamber is that the width of 4-5.5mm, upper wall is that the width of 6-9mm, lower wall is 4-7mm.
Design principle of the present utility model is as follows:
Relatively move in wefting insertion water conservancy diversion tube seat with pilot jet and pneumatic sensor, survey the velocity variations of air-flow in the tube seat, determine the optimum size of water conservancy diversion tube seat.Change the injection siding-to-siding block length of pilot jet, change the spacing between pneumatic sensor and the pilot jet, thereby measure the relation that each factor and wefting slot airflow distribute, the relation of the optimal size of research water conservancy diversion tube seat and the injection of pilot jet forms the weft tracting flow field of saving flow most.
The beneficial effects of the utility model are as follows:
The wefting insertion groove forms with the reed wire stack, makes difficulty, and therefore the air-flow detection test is done with the wefting insertion water conservancy diversion tube seat of simulation by system of the present utility model.What weft traction flew is high velocity air, and air-flow is passed to weft yarn to the speed of self by frictional force, and the speed of air-flow must be higher than filling speed.With the relation of air-flow in size, shape and the tube seat of analog detection method detection wefting insertion water conservancy diversion tube seat, seek the water conservancy diversion tube seat that is more suitable for the high flying speed of weft yarn.
Simulation wefting insertion guiding gutter gas flow measurement system architecture simple operations of the present utility model is convenient, is beneficial to and promotes the use of.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, below with preferred embodiment of the present utility model and cooperate accompanying drawing to be described in detail as follows.The specific embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, consists of the application's a part, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of system of the present utility model.
Fig. 2 is the structural representation of the tube seat inner cavity flow field measurement bay of simulation wefting insertion guiding gutter gas flow measurement of the present utility model system.
Fig. 3 is the cross-sectional view of water conservancy diversion tube seat inner chamber of the present utility model;
Fig. 4 is the cross-sectional view of an embodiment of water conservancy diversion tube seat of the present utility model.
Fig. 5 is the cross-sectional view of another embodiment of water conservancy diversion tube seat of the present utility model.
Fig. 6 is the again cross-sectional view of an embodiment of water conservancy diversion tube seat of the present utility model.
The specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Referring to Fig. 1, shown in Figure 2, a kind of simulation wefting insertion guiding gutter gas flow measurement system, comprise water conservancy diversion tube seat 1, described water conservancy diversion tube seat 1 be furnished with in a lateral direction two or three pilot jets 2, described pilot jet 2 all is connected on the auxiliary gaseous blast control system, be placed with pneumatic sensor 3 in the inner chamber 101 of described water conservancy diversion tube seat 1, described pneumatic sensor 3 connects transmitter 4, and described transmitter 4 connects storage oscillograph 5.
Further, described water conservancy diversion tube seat 1 is fixed on the workbench 8 by water conservancy diversion tube seat carriage 6, and described two or three pilot jets 2 are fixed on the described workbench 8 by pilot jet carriage 7.
Further, described auxiliary gaseous blast control system comprises source of the gas 9, gas bag 10, pressure regulator valve 11, electromagnetic valve 12 and control panel 13, described two or three pilot jets 2 all connect described pressure regulator valve 11 by described electromagnetic valve 12, described pressure regulator valve 11 connects described gas bag 10, described gas bag 10 connects source of the gas 9, and described control panel 13 connects the opening and closing time that described electromagnetic valve 12 is used for the control electromagnetic valve.
Further, the inner chamber 101 of described water conservancy diversion tube seat 1 is used for ventilation stream, comprises upper wall 102, lower wall 103 and inwall 104, and described inwall 104 is processed with some slits that are parallel to each other, and described slit Working position is until upper wall 102 and lower wall 103.
Further, in conjunction with shown in Figure 3, the height A of described inner chamber 101 is that the width B of 4-5.5mm, upper wall 102 is that the width C of 6-9mm, lower wall 103 is 4-7mm.
Embodiment 1:
Preferably, referring to shown in Figure 4, the junction of the upper wall 102 of described inner chamber 101, lower wall 103 and inwall 104 is the right angle, and described lower wall 103 is downward-sloping, and tilt angle theta is 11-13 °.
Embodiment 2:
Preferably, referring to shown in Figure 5, the junction of the upper wall 102 of described inner chamber 101, lower wall 103 and inwall 104 is fillet, and described lower wall 103 is downward-sloping, and tilt angle theta is 11-13 °.
Embodiment 3:
Preferably, referring to shown in Figure 6, the junction of the upper wall 102 of described inner chamber 101, lower wall 103 and inwall 104 is fillet, and described upper wall 102 and lower wall 103 are all downward-sloping, and tilt angle theta is 11-13 °.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (1)
1. simulate wefting insertion guiding gutter gas flow measurement system for one kind, comprise water conservancy diversion tube seat (1), it is characterized in that: described water conservancy diversion tube seat (1) be furnished with in a lateral direction two or three pilot jets (2), described pilot jet (2) all is connected on the auxiliary gaseous blast control system, be placed with pneumatic sensor (3) in the inner chamber (101) of described water conservancy diversion tube seat (1), described pneumatic sensor (3) connects transmitter (4), and described transmitter (4) connects storage oscillograph (5).
2. simulation wefting insertion guiding gutter gas flow measurement according to claim 1 system, it is characterized in that: described water conservancy diversion tube seat (1) is fixed on the workbench (8) by water conservancy diversion tube seat carriage (6), and described two or three pilot jets (2) are fixed on the described workbench (8) by pilot jet carriage (7).
3, simulation wefting insertion guiding gutter gas flow measurement according to claim 1 system, it is characterized in that: described auxiliary gaseous blast control system comprises source of the gas (9), gas bag (10), pressure regulator valve (11), electromagnetic valve (12) and control panel (13), described two or three pilot jets (2) all connect described pressure regulator valve (11) by described electromagnetic valve (12), described pressure regulator valve (11) connects described gas bag (10), described gas bag (10) connects source of the gas (9), and described control panel (13) connects the opening and closing time that described electromagnetic valve (12) is used for the control electromagnetic valve.
4, according to claim 1 and 2 or 3 described simulation wefting insertion guiding gutter gas flow measurement systems, it is characterized in that: the inner chamber (101) of described water conservancy diversion tube seat (1) is used for ventilation stream, comprise upper wall (102), lower wall (103) and inwall (104), described inwall (104) is processed with some slits that are parallel to each other, and described slit Working position is until upper wall (102) and lower wall (103).
5, simulation wefting insertion guiding gutter gas flow measurement according to claim 4 system is characterized in that: the height (A) of described inner chamber (101) is 4-7mm for the width (B) of 4-5.5mm, upper wall (102) for the width (C) of 6-9mm, lower wall (103).
6, simulation wefting insertion guiding gutter gas flow measurement according to claim 5 system, it is characterized in that: the junction of the upper wall (102) of described inner chamber (101), lower wall (103) and inwall (104) is the right angle, described lower wall (103) is downward-sloping, and angle of inclination (θ) is 11-13 °.
7, simulation wefting insertion guiding gutter gas flow measurement according to claim 5 system, it is characterized in that: the junction of the upper wall (102) of described inner chamber (101), lower wall (103) and inwall (104) is fillet, described lower wall (103) is downward-sloping, and angle of inclination (θ) is 11-13 °.
8, simulation wefting insertion guiding gutter gas flow measurement according to claim 5 system, it is characterized in that: the junction of the upper wall (102) of described inner chamber (101), lower wall (103) and inwall (104) is fillet, described upper wall (102) and lower wall (103) are all downward-sloping, and angle of inclination (θ) is 11-13 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220275505 CN202809118U (en) | 2012-06-12 | 2012-06-12 | Weft insertion flow guide groove airflow simulation measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220275505 CN202809118U (en) | 2012-06-12 | 2012-06-12 | Weft insertion flow guide groove airflow simulation measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202809118U true CN202809118U (en) | 2013-03-20 |
Family
ID=47868030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220275505 Expired - Fee Related CN202809118U (en) | 2012-06-12 | 2012-06-12 | Weft insertion flow guide groove airflow simulation measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202809118U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704151A (en) * | 2012-06-12 | 2012-10-03 | 江苏万工科技集团有限公司 | Weft insertion diversion trench airflow simulation measuring system |
| CN103822779A (en) * | 2014-02-22 | 2014-05-28 | 咸阳经纬纺织机械有限公司 | Testing system for comprehensive quality of main spraying nozzle of air-jet loom and testing method |
| CN105420895A (en) * | 2015-12-30 | 2016-03-23 | 吴江万工机电设备有限公司 | Measurement device for core airflow in reed groove |
-
2012
- 2012-06-12 CN CN 201220275505 patent/CN202809118U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704151A (en) * | 2012-06-12 | 2012-10-03 | 江苏万工科技集团有限公司 | Weft insertion diversion trench airflow simulation measuring system |
| CN103822779A (en) * | 2014-02-22 | 2014-05-28 | 咸阳经纬纺织机械有限公司 | Testing system for comprehensive quality of main spraying nozzle of air-jet loom and testing method |
| CN105420895A (en) * | 2015-12-30 | 2016-03-23 | 吴江万工机电设备有限公司 | Measurement device for core airflow in reed groove |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202809118U (en) | Weft insertion flow guide groove airflow simulation measuring system | |
| CN103335773B (en) | Pipeline gas pressure measuring device | |
| CN105352710B (en) | A kind of nozzle real impact domain range test system | |
| CN207610835U (en) | Flow resistance force measuring device in a kind of wind tunnel test | |
| CN206177562U (en) | Aerial fog nozzle flow characteristic test system | |
| CN102704151A (en) | Weft insertion diversion trench airflow simulation measuring system | |
| CN104729825A (en) | Auxiliary jet-flow system for controlling high speed wind tunnel transonic flow field | |
| Nakayama et al. | Experimental investigation of flowfield about a multielement airfoil | |
| CN103940581B (en) | A kind of experimental technique of monitoring trace gas concentration value measurement jet entrainment amount | |
| CN103510249A (en) | Air-jet loom spraying nozzle with rectification air chamber | |
| CN205209706U (en) | Reed groove air current closure test device | |
| CN105420895A (en) | Measurement device for core airflow in reed groove | |
| CN112268789B (en) | High-speed water flow impact test device | |
| CN203546318U (en) | Air jet loom nozzle with rectifying air chamber | |
| CN205205380U (en) | Auxiliary nozzle gas supply system with air current secondary is function with higher speed | |
| CN110386156A (en) | Air layers reducing resistance system, method and bullet train | |
| CN203295747U (en) | Measuring equipment for relation curve of weft yarn speed and traction | |
| CN205474233U (en) | Reed inslot core air current measuring device | |
| CN202415851U (en) | Double pressure supply main spray nozzle and gas supply system thereof | |
| CN201335843Y (en) | Double-throat-diameter venturi air-velocity measuring pipe | |
| CN205024393U (en) | Supplementary jet air current control system | |
| CN105063864B (en) | Control system for jet stream of auxiliary nozzles | |
| CN203653856U (en) | Weft insertion device of air-jet loom | |
| CN205711184U (en) | A kind of auxiliary nozzle system of air-jet loom | |
| CN206788201U (en) | A kind of Pitot tube component and the Flow speed measurer using the Pitot tube component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20130612 |