CN201909615U - Dynamic displacement measuring device for heald frame of loom - Google Patents
Dynamic displacement measuring device for heald frame of loom Download PDFInfo
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- CN201909615U CN201909615U CN2010206761075U CN201020676107U CN201909615U CN 201909615 U CN201909615 U CN 201909615U CN 2010206761075 U CN2010206761075 U CN 2010206761075U CN 201020676107 U CN201020676107 U CN 201020676107U CN 201909615 U CN201909615 U CN 201909615U
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- heald frame
- measuring device
- mandrel
- dynamic displacement
- displacement measuring
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Abstract
The utility model relates to a dynamic displacement measuring device for a heald frame of a loom, which comprises a spindle and a photoelectric sensor, the spindle is firmly connected with a right-side border of the heald frame of the loom, the central line of the spindle is perpendicular to the horizontal plane, the photoelectric sensor is arranged on a heald frame guide of the loom, and comprises a sensor body, a luminotron and a photocell, the sensor body is fixed on the heald frame guide, the luminotron and the photocell are arranged in the sensor body, the sensor body is provided with a middle hole and side holes, the spindle can shuttle up and down in the middle hole, the side holes are communicated with the middle hole and extended to the left and the right sides of the sensor body, and the luminotron and the photocell are oppositely mounted at the ends of the two side holes on the sensor body. When the heald frame vibrates, the spindle is driven to synchronously shift, the luminous flux received by the photocell is changed, and according to the magnitude of the output signal of the photocell, the displacement of the heald frame is measured. The measuring device provides an on-line dynamic heald frame displacement state measurement method for air-jet looms, and provides data for the mechanism design of high-speed looms.
Description
Technical field
The utility model relates to a kind of integrated box movement state measuring device, relates in particular to measure heald frame vibrates the dynamic displacement that produces when extreme higher position and extreme lower position measurement mechanism.
Background technology
We know that in shedding mechanism, heald frame is reciprocating between extreme lower position and extreme higher position, and heald frame all has one section quiescent phase in minimum and extreme higher position.The quiescent phase displacement curve of Design Theory is corresponding to straight line, and displacement does not change.But, in fact, when extreme higher position and extreme lower position, also there is certain vibration, this in lift or fall the residual oscillation that vibration after journey finishes is called heald frame.We are called the dynamic displacement of master control the displacement that vibration is produced.
The dynamic displacement of heald frame is relevant with the travelling speed of loom, and travelling speed changes slightly, and the dynamic displacement of heald frame just can significantly reduce.It is very important to measure heald frame dynamic displacement condition curve, and curve has reflected the difference of design displacement and actual dynamic displacement, needs to analyze the origin cause of formation and the characteristics of dynamic displacement.
Because the traverse of heald frame is longer, existing displacement transducer all utilizes changes in resistance to measure stroke, and this kind metering system requires displacement transducer longer on the one hand, is difficult for realizing; On the other hand, in use there is bigger contact wear in displacement transducer, and serviceable life is not long, therefore, needs a kind of device that is more suitable for measuring the heald frame dynamic displacement.
Summary of the invention
The measurement mechanism that the utility model purpose provides a kind of online detection heald frame dynamic displacement and grows serviceable life.
In order to achieve the above object, the technical scheme that the utility model adopted is: a kind of harness frame in aweaving machine dynamic displacement measuring device, it comprises with harness frame in aweaving machine right side shelves and being fixedly connected and center line and the perpendicular mandrel of surface level, be arranged on the photoelectric sensor on the harness frame in aweaving machine saddle, described photoelectric sensor comprises the sensing body that is fixed on the heald frame saddle, be arranged on intrinsic luminotron of sensing and photoelectric cell, offer on the described sensing body and be used for the interstitial hole that mandrel shuttles back and forth up and down, the side opening that is connected and extends with interstitial hole to the sensing body left and right sides, described luminotron and photoelectric cell are practised physiognomy on the sensing body that is installed in the two side holes end over the ground, described luminotron, side opening, interstitial hole, and form light channel between the photoelectric cell, when heald frame vibrates, drive described mandrel and produce synchronous shift, the luminous flux that described photoelectric cell receives changes, according to the size of photoelectric cell output signal to record the displacement of heald frame.
Further, described mandrel sticks on the shelves of right side, and its upper end is higher than the entablature of heald frame.Described sensing body be positioned at mandrel directly over.
Its short transverse of described mandrel upper edge offers two light holes up and down, and the position of described light hole is consistent with extreme higher position and the extreme lower position of heald frame in the to-and-fro movement process, and the open height of described light hole is identical with the height of sensing body.25～35 millimeters of the height of described sensing body.
Described photoelectric sensor also comprises the lens that are arranged near in the side opening of described luminotron place side.
Described mandrel xsect is rounded, and cross-sectional diameter is 3～4 millimeters.Perhaps described mandrel xsect is rectangular, the length of square-section be 3～4 millimeters, wide be 2～3 millimeters.
Owing to adopt technique scheme, the utlity model has following advantage: the utility model measurement mechanism adopts the mandrel that is fixedly installed on the heald frame to move in photoelectric sensor, the motion of mandrel will influence photronic reception light, make its luminous flux change, thereby the output of photoelectric sensor changes, by gathering and handling this variable quantity, can obtain the dynamic displacement of heald frame.Because mandrel and sensor are not to be set directly on the heald frame, so the motion of heald frame can not produce wearing and tearing to it, thereby the serviceable life of this measurement mechanism and the accuracy of measurement have been guaranteed, the present invention provides a kind of mode of on-line measurement heald frame dynamic displacement state for air-jet loom, by on-line measurement, obtain the real running status of heald frame, for the mechanism design of high speed loom provides data.
Description of drawings
Accompanying drawing 2 is the utility model photosensor structure figure;
Accompanying drawing 3 is an A-A direction cut-open view in the accompanying drawing 1;
The mandrel longitudinal sectional view that accompanying drawing 4 is implemented for the utility model;
Wherein: 1, mandrel; 11, light hole; 2, sensor; 21, sensing body; 211, interstitial hole; 212, side opening; 22, luminotron; 23, photoelectric cell; 24, lens;
10, entablature; 20, sill; 30, left side shelves; 40, right side shelves; 50, heald frame saddle.
Embodiment
Below in conjunction with accompanying drawing, the preferred specific embodiment of the utility model is described:
Harness frame in aweaving machine shown in Figure 1, it comprise the entablature 10 that parallels setting, sill 20, with entablature 10 be connected with sill 20 left and right sides left side shelves 30, right side shelves 40 that form framework and the heald frame saddle 50 that is used to support whole heald frame, in weaving process, heald frame is reciprocating between extreme lower position and extreme higher position, when heald frame in the extreme higher position or during extreme lower position, have one section quiescent phase, but in this stage, also can there be vibration in heald frame, thereby can produce certain dynamic displacement.The utility model measurement mechanism is mainly used in the dynamic displacement situation in this stage of measurement.
The utility model heald frame dynamic displacement measuring device mainly comprises mandrel 1, photoelectric sensor 2, as shown in Figure 1, mandrel 1 fixedly sticks on the lateral surface of right side shelves 40, photoelectric sensor 2 be positioned at mandrel 1 directly over, mandrel 1 can be in photoelectric sensor 1 shuttle up and down.
Fig. 2 and Fig. 3 show the particular location relation of mandrel 1 and photoelectric sensor 2.Wherein, photoelectric sensor 2 mainly is made up of sensing body 21, the photoelectric tube 22, the photoelectric cells 23 that are arranged in the sensing body 21.Sensing body 21 is fixedly mounted on the heald frame saddle 50 of loom, and its integral body is cuboid, highly is 40～60 millimeters, and the heart offers interstitial hole 211 therein, interstitial hole 211 axle center vertical level, and described mandrel 1 moves up and down in this interstitial hole 211.Also offer the side opening 212 that is connected with interstitial hole 211 on the sensing body 21 of interstitial hole 211 both sides, photoelectric cell 23 and luminotron 22 are installed in the end in hole, the left and right sides 212 respectively.And photoelectric cell 23 is faced mutually with luminotron 22 and is provided with, so between photoelectric cell 23, side opening 212, interstitial hole 211 and luminotron 22, form a luminous, luminotron 22 is launched the light of certain frequency, light is accepted by photoelectric cell through light channel, if light channel is partly kept off or is blocked fully, then photoelectric cell can only receiving unit or is not received light fully, and promptly photronic luminous flux changes, thereby will change photronic output.
In order to make photoelectric cell 23 better receive the light that luminotron 22 sends, in the side opening 212 of luminotron 22 places one side, lens 24 are set also.
Shown in Figure 4 is the longitudinal sectional view of present embodiment mandrel 1, and mandrel 1 whole height is greater than 120 millimeters, and the lower end offers light hole 11 respectively thereon, and the height of light hole 11 is consistent with the height of sensing body 21.
Structure to present embodiment heald frame displacement measuring device is illustrated above, will introduce its principle of work below:
Because mandrel and heald frame are fixedly connected, so mandrel is reciprocating with heald frame.When integrated box movement arrives the extreme higher position, in this moment, the following light hole 11 of mandrel 1 is positioned at light channel just fully, the luminous flux maximum that photoelectric cell receives, because heald frame will pause the regular hour in the extreme higher position, it is quiescent phase, if heald frame generation residual oscillation, to drive mandrel and be synchronized with the movement,, then descend light hole 11 slight distance that thereupon moves up as a upwards microvibration, thereby mandrel lower end solid part enters light channel, part is intercepted the light that luminotron 22 sends, thereby the luminous flux of photoelectric cell 23 will reduce, the output of photoelectric cell 23 will change.In like manner, when integrated box movement to extreme lower position, in this moment, the last light hole 11 of mandrel 1 just in time is positioned at light channel fully, the luminous flux maximum of photoelectric cell reception.Because heald frame will pause the regular hour equally in extreme lower position, if heald frame generation residual oscillation, to drive mandrel is synchronized with the movement, as a microvibration is arranged downwards, then go up light hole 11 and move down a slight distance thereupon, thereby mandrel upper end solid part enters light channel, and part is intercepted the light that luminotron 22 sends, make the luminous flux of photoelectric cell 23 to reduce, the output of photoelectric cell 23 will change.To the collection and the processing of photoelectric cell output signal, can adopt habitual photoelectric cell signal processing means, it is not main points of the present invention, at this follow-up receiving processing circuit of photoelectric cell is repeated no more.
The utility model heald frame displacement measuring device detecting technique is realized the displacement of on-line measurement heald frame, owing to can not produce contact wear with heald frame, so its measurement structure has higher reliability, simultaneously, serviceable life is longer.
Claims (8)
1. harness frame in aweaving machine dynamic displacement measuring device, it is characterized in that: it comprises with harness frame in aweaving machine right side shelves and being fixedly connected and center line and the perpendicular mandrel (1) of surface level, be arranged on the photoelectric sensor (2) on the harness frame in aweaving machine saddle, described photoelectric sensor (2) comprises the sensing body (21) that is fixed on the heald frame saddle, be arranged on luminotron (22) and photoelectric cell (23) in the sensing body (21), offer on the described sensing body (21) and be used for the interstitial hole (211) that mandrel (1) shuttles back and forth up and down, the side opening (212) that is connected and extends with interstitial hole (211) to sensing body (21) left and right sides, described luminotron (22) is practised physiognomy with photoelectric cell (23) and is installed in over the ground on the terminal sensing body (21) of two side holes (212), described luminotron (22), side opening (212), interstitial hole (211), and photoelectric cell forms light channel between (23), when heald frame vibrates, drive described mandrel (1) and produce synchronous shift, the luminous flux that described photoelectric cell (23) receives changes, according to the size of photoelectric cell (23) output signal to record the displacement of heald frame.
2. harness frame in aweaving machine dynamic displacement measuring device according to claim 1 is characterized in that: described mandrel (1) sticks on the shelves of right side, and its upper end is higher than the entablature of heald frame.
3. harness frame in aweaving machine dynamic displacement measuring device according to claim 1 and 2 is characterized in that: described sensing body (21) be positioned at mandrel (1) directly over.
4. harness frame in aweaving machine dynamic displacement measuring device according to claim 3, it is characterized in that: its short transverse of described mandrel (1) upper edge offers two light holes (11) up and down, the position of described light hole (11) is consistent with extreme higher position and the extreme lower position of heald frame in the to-and-fro movement process, and the open height of described light hole (11) is identical with the height of sensing body (21).
5. harness frame in aweaving machine dynamic displacement measuring device according to claim 4 is characterized in that: 25～35 millimeters of the height of described sensing body (21).
6. harness frame in aweaving machine dynamic displacement measuring device according to claim 1 is characterized in that: described photoelectric sensor (2) also comprises the lens (24) that are arranged near in the side opening (212) of described luminotron (22) place side.
7. harness frame in aweaving machine dynamic displacement measuring device according to claim 1 is characterized in that: described mandrel (1) xsect is rounded, and cross-sectional diameter is 3～4 millimeters.
8. harness frame in aweaving machine dynamic displacement measuring device according to claim 1 is characterized in that: described mandrel (1) xsect is rectangular, the length of square-section be 3～4 millimeters, wide be 2～3 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206761075U CN201909615U (en) | 2010-12-22 | 2010-12-22 | Dynamic displacement measuring device for heald frame of loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206761075U CN201909615U (en) | 2010-12-22 | 2010-12-22 | Dynamic displacement measuring device for heald frame of loom |
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| Publication Number | Publication Date |
|---|---|
| CN201909615U true CN201909615U (en) | 2011-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206761075U Expired - Fee Related CN201909615U (en) | 2010-12-22 | 2010-12-22 | Dynamic displacement measuring device for heald frame of loom |
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| CN (1) | CN201909615U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121820A (en) * | 2010-12-22 | 2011-07-13 | 江苏万工科技集团有限公司 | Loom heald frame dynamic displacement measurement device |
| CN107315022A (en) * | 2017-07-21 | 2017-11-03 | 中国地质大学（武汉） | A kind of X-ray collimation location adjusting device and system |
-
2010
- 2010-12-22 CN CN2010206761075U patent/CN201909615U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121820A (en) * | 2010-12-22 | 2011-07-13 | 江苏万工科技集团有限公司 | Loom heald frame dynamic displacement measurement device |
| CN102121820B (en) * | 2010-12-22 | 2012-10-17 | 江苏万工科技集团有限公司 | Loom heald frame dynamic displacement measurement device |
| CN107315022A (en) * | 2017-07-21 | 2017-11-03 | 中国地质大学（武汉） | A kind of X-ray collimation location adjusting device and system |
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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: 20110727 Termination date: 20111222 |