CN202814329U - Heald frame crossbeam motion state measuring device - Google Patents
Heald frame crossbeam motion state measuring device Download PDFInfo
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- CN202814329U CN202814329U CN 201220392302 CN201220392302U CN202814329U CN 202814329 U CN202814329 U CN 202814329U CN 201220392302 CN201220392302 CN 201220392302 CN 201220392302 U CN201220392302 U CN 201220392302U CN 202814329 U CN202814329 U CN 202814329U
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Abstract
The utility model discloses a heald frame crossbeam motion state measuring device. The heald frame crossbeam motion state measuring device comprises a crossbeam collision measuring device and a crossbeam bending measuring device. The crossbeam bending measuring device comprises a bridge-type strain-gauge sensor arranged at a middle position of an external side of an upper crossbeam, wherein the bridge-type strain-gauge sensor is connected with an electrical bridge signal processor which is connected with a storage oscilloscope; the crossbeam collision measuring device comprises an acceleration sensor fixed at the external side of the upper crossbeam, wherein the acceleration sensor is connected with the storage oscilloscope through a voltage conversion unit, a first amplifier, a low-pass filter and a second amplifier successively; and the acceleration sensor is located below the bridge-type strain-gauge sensor. According to the heald frame crossbeam motion state measuring device of the utility model, through on-line measurement of motion states of heald frame crossbeams, mutually interfered states between a plurality of heald frames in operation can be obtained, and therefore, data can be provided for the design of a shedding mechanism of a high-speed weaving machine, and technological parameters can be adjusted so as to reduce the collision between the heald frames as far as possible.
Description
Technical field
The utility model belongs to the loom field, relates to brown frame, concrete, relate to a kind of measurement mechanism of measuring brown frame motion state.
Background technology
On loom, the motion that shedding mechanism is finished is simple linear reciprocating motion, but dynamic force and dynamic force moment are very large.Use the passive cam shedding system of combining of going back to, the instantaneous rising of inertial force meeting, when overcomes the return spring constraining force, roller follower instantaneous disengagement from the cam face, tripping and impact cause the vibration of heald frame crossbeam, the result causes the heald frame crossbeam to shake by force, the significant bending of heald frame crossbeam, and the crossbeam of adjacent heald frame produces bump.
In shedding mechanism, heald frame pumps with warp thread, and heald frame has one period rest time in minimum and extreme higher position, lift or fall journey finish after heald frame crossbeam high vibration.The vibration form of heald frame crossbeam is complicated, also produces vibration in the vertical direction of integrated box movement, and namely the heald frame crossbeam produces crookedly, and the crossbeam middle bent can reach 5 millimeters, therefore needs to measure the amount of bow of heald frame crossbeam.Heald frame length is the shortest 2250 millimeters, thickness is less than 10 millimeters, and adjacent heald frame all can produce bending and since the different vibration shape, crossbeam bend direction can be identical also can be opposite, cause the collision between the adjacent heald frame, therefore need to measure the collision between heald frame and the heald frame.Excessive crossbeam bend and collision all are unallowed.
In a Chinese patent, the patent No. is ZL200910263270.0, the utility model name is called a kind of residual vibration of heald frame monitoring device and detection method thereof, detection method with the accelerometer measures residual vibration of heald frame is disclosed, this accelerometer is installed in the top of heald frame side shelves, can be used for measuring the residual oscillation of direction of motion.
In another part Chinese patent, the patent No. is ZL201010600047.3, and the utility model name is called harness frame in aweaving machine bending force measuring device, discloses the technical scheme of the bending power of measuring with bridge-type foil gauge configuring technical.Operation bending force between a kind of on-line measurement heald frame is provided in this technical scheme, for the design of the shedding mechanism of high speed loom provides data, the adjusting process parameter, reduce as far as possible the motion collision between the heald frame, but sensor body is a section of heald frame crossbeam in this technical scheme, be inserted in the crossbeam of nearside shelves, and this technical scheme structure and installation process are all comparatively complicated.
The utility model content
The purpose of this utility model purport provides a kind of measurement mechanism of brown frame crossbeam motion state for air-jet loom, by on-line measurement, obtain the state of mutual interference in service between the multipage heald frame, for the design of the shedding mechanism of high speed loom provides data, the adjusting process parameter reduces the motion collision between the heald frame as far as possible.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions:
A kind of measurement mechanism of brown frame crossbeam motion state, it comprises crossbeam collision measurement mechanism and a crossbeam bend measurement mechanism, described crossbeam bend measurement mechanism comprises the bridge-type strain-ga(u)ge transducer that is arranged on centre position, the entablature outside, described bridge-type strain-ga(u)ge transducer connects the electric bridge signal processor, and described electric bridge signal processor connects storage oscilloscope; Described crossbeam collision measurement mechanism comprises the acceleration transducer that is fixed on the described entablature outside, and described acceleration transducer connects described storage oscilloscope by voltage conversion unit, the first amplifier, low-pass filter and the amplifier of being connected successively; Described acceleration transducer is positioned at described bridge-type strain-ga(u)ge transducer below; The described crossbeam outside refers to that heald frame is near a side of reed.
Further, four foil gauges of described bridge-type strain-ga(u)ge transducer are take the center line of entablature as line of symmetry, symmetry sticks on the position, middle in the described entablature outside, and the stickup direction of described four foil gauges all is parallel to the Width of described entablature.
Further, described acceleration transducer is silicon accelerometer, is screwed in the described entablature outside.
Further, described entablature is first page palm fibre frame entablature.
Main burner of the present utility model connects and draws jet pipe and have specifically following beneficial effect:
The measurement mechanism of brown frame crossbeam motion state of the present utility model has good reliability and serviceable life for air-jet loom provides collision between a kind of on-line measurement heald frame and the means of crossbeam bend state.By on-line measurement, obtain the state of mutual interference in service between the multipage heald frame, for the design of the shedding mechanism of high speed loom provides data, the adjusting process parameter reduces the motion collision between the heald frame as far as possible; In addition, the utility model has adopted acceleration transducer to measure the collision of adjacent heald frame crossbeam, adopted bridge-type foil gauge configuring technical, foil gauge is the sticking middle part that is posted on first page heald frame entablature directly, acceleration transducer is connected to the middle part of first page heald frame entablature equally with primary screw, simple in structure, easy to use.
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 instructions, below with preferred embodiment of the present utility model and cooperate accompanying drawing to be described in detail as follows.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 heald frame beam structure outside drawing.
Fig. 2 is the structural representation of the measurement mechanism of brown frame crossbeam motion state of the present utility model.
Fig. 3 is the side view of the embodiment that discloses of Fig. 2.
Fig. 4 is the structural representation of crossbeam bend measurement mechanism of the present utility model.
Fig. 5 is the structural representation of crossbeam collision measurement mechanism of the present utility model.
Fig. 6 is acceleration transducer lumped parameter mechanical model of the present utility model.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Referring to Fig. 2, shown in Figure 3, a kind of measurement mechanism of brown frame crossbeam motion state, it comprises crossbeam collision measurement mechanism and a crossbeam bend measurement mechanism, described crossbeam bend measurement mechanism comprises the bridge-type strain-ga(u)ge transducer 2 that is arranged on centre position, entablature 1 outside, as shown in Figure 4, described bridge-type strain-ga(u)ge transducer 2 connects electric bridge signal processor 21, and described electric bridge signal processor 21 connects storage oscilloscope 4; Referring to shown in Figure 5, described crossbeam collision measurement mechanism comprises the acceleration transducer 3 that is fixed on described entablature 1 outside, and described acceleration transducer 3 connects described storage oscilloscope 4 by voltage conversion unit 31, the first amplifier 32, low-pass filter 33 and the amplifier 34 of being connected successively; Described acceleration transducer 3 is positioned at described bridge-type strain-ga(u)ge transducer 2 belows; Described crossbeam 1 outside refers to that heald frame is near a side of reed.
Further, referring to shown in Figure 2, four foil gauges of described bridge-type strain-ga(u)ge transducer 2 are take the center line of entablature 1 as line of symmetry, and symmetry sticks on the position, middle in described entablature 1 outside, and the stickup direction of described four foil gauges all is parallel to the Width of described entablature 1.
Further, described acceleration transducer 3 is silicon accelerometer, is screwed in described entablature 1 outside.Be illustrated in figure 6 as acceleration transducer lumped parameter mechanical model, the interior masses that hang that encapsulated of acceleration transducer 3, when the heald frame crossbeam is collided, the mass of suspension produces motion.
Further, described entablature 1 is first page palm fibre frame entablature.
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 (4)
1. the measurement mechanism of brown frame crossbeam motion state, it is characterized in that: comprise crossbeam collision measurement mechanism and a crossbeam bend measurement mechanism, described crossbeam bend measurement mechanism comprises the bridge-type strain-ga(u)ge transducer (2) that is arranged on centre position, entablature (1) outside, described bridge-type strain-ga(u)ge transducer (2) connects electric bridge signal processor (21), and described electric bridge signal processor (21) connects storage oscilloscope (4); Described crossbeam collision measurement mechanism comprises the acceleration transducer (3) that is fixed on described entablature (1) outside, and described acceleration transducer (3) connects described storage oscilloscope (4) by voltage conversion unit (31), the first amplifier (32), low-pass filter (33) and the amplifier (34) of being connected successively; Described acceleration transducer (3) is positioned at described bridge-type strain-ga(u)ge transducer (2) below; Described crossbeam (1) outside refers to that heald frame is near a side of reed.
2. the measurement mechanism of brown frame crossbeam motion state according to claim 1, it is characterized in that: four foil gauges of described bridge-type strain-ga(u)ge transducer (2) are take the center line of entablature (1) as line of symmetry, symmetry sticks on the position, middle in described entablature (1) outside, and the stickup direction of described four foil gauges all is parallel to the Width of described entablature (1).
3. the measurement mechanism of brown frame crossbeam motion state according to claim 1, it is characterized in that: described acceleration transducer (3) is silicon accelerometer, is screwed in described entablature (1) outside.
4. it is characterized in that according to claim 1 and 2 or the measurement mechanism of 3 described brown frame crossbeam motion states: described entablature (1) is first page palm fibre frame entablature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220392302 CN202814329U (en) | 2012-08-09 | 2012-08-09 | Heald frame crossbeam motion state measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220392302 CN202814329U (en) | 2012-08-09 | 2012-08-09 | Heald frame crossbeam motion state measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202814329U true CN202814329U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220392302 Expired - Fee Related CN202814329U (en) | 2012-08-09 | 2012-08-09 | Heald frame crossbeam motion state measuring device |
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| CN (1) | CN202814329U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778195A (en) * | 2012-08-09 | 2012-11-14 | 江苏万工科技集团有限公司 | Measuring device of heald frame beam motion state |
| CN105004565A (en) * | 2015-08-13 | 2015-10-28 | 吴江万工机电设备有限公司 | Device and method for testing influences imposed on negative shedding mechanism of loom by heald returning springs |
| CN106052623A (en) * | 2016-07-18 | 2016-10-26 | 西安交通大学 | Non-rotating central installation type angular displacement measurement sensor and measurement method thereof |
-
2012
- 2012-08-09 CN CN 201220392302 patent/CN202814329U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778195A (en) * | 2012-08-09 | 2012-11-14 | 江苏万工科技集团有限公司 | Measuring device of heald frame beam motion state |
| CN105004565A (en) * | 2015-08-13 | 2015-10-28 | 吴江万工机电设备有限公司 | Device and method for testing influences imposed on negative shedding mechanism of loom by heald returning springs |
| CN106052623A (en) * | 2016-07-18 | 2016-10-26 | 西安交通大学 | Non-rotating central installation type angular displacement measurement sensor and measurement method thereof |
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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: 20130320 Termination date: 20130809 |