CN110923909A - Parallel beating-up and weft insertion mechanism - Google Patents
Parallel beating-up and weft insertion mechanism Download PDFInfo
- Publication number
- CN110923909A CN110923909A CN201911388360.2A CN201911388360A CN110923909A CN 110923909 A CN110923909 A CN 110923909A CN 201911388360 A CN201911388360 A CN 201911388360A CN 110923909 A CN110923909 A CN 110923909A
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- Prior art keywords
- beating
- swing arm
- shaft
- weft
- weft insertion
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- 238000003780 insertion Methods 0.000 title claims abstract description 94
- 230000037431 insertion Effects 0.000 title claims abstract description 86
- 230000007246 mechanism Effects 0.000 title claims abstract description 52
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 238000010009 beating Methods 0.000 claims abstract 6
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009941 weaving Methods 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 description 28
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/27—Drive or guide mechanisms for weft inserting
- D03D47/275—Drive mechanisms
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
- D03D49/60—Construction or operation of slay
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
本发明涉及一种平行打纬引纬机构，打纬驱动摆臂穿接在打纬驱动轴上，打纬固定行程往复机构驱动连接打纬驱动摆臂，打纬随动轴上和打纬驱动轴上分别穿接打纬随动摆臂下端和打纬主动筘脚下端，打纬驱动、随动轴的连线和打纬主动筘脚、打纬随动摆臂、主随动摆臂连杆构成平行四边形，主随动摆臂连杆上穿接带钢筘的筘座；引纬固定行程往复机构驱动经引纬摆臂连接引纬齿臂下端，引纬齿臂上部弧形齿部与齿轴上齿部啮合，齿轴上经输入伞齿轮、剑杆驱动轴穿接剑杆驱动齿盘带动刚性剑杆轨道座内刚性剑杆上条状齿型啮合。该机构能利用织口引纬织造，钢筘平行打纬，有效精简钢筘结构及制造周期、成本，便捷实现品种更换。
The invention relates to a parallel beating-up weft insertion mechanism. A beating-up driving swing arm is threaded on a beating-up driving shaft, a beating-up fixed stroke reciprocating mechanism is driven to connect the beating-up driving swing arm, and a beating-up follower shaft is connected to a beating-up driving shaft. The shaft is respectively connected to the lower end of the beating-up follow-up swing arm and the lower end of the beating-up active reed foot. The connection between the beating-up drive and the follow-up shaft and the beating-up active reed foot, the beating-up follow-up swing arm, and the main follow-up swing arm are connected. The rod forms a parallelogram, and the main follower swing arm connecting rod is connected to a reed seat with a steel reed; the weft insertion fixed stroke reciprocating mechanism drives the weft insertion swing arm to connect the lower end of the weft insertion tooth arm, and the upper arc tooth portion of the weft insertion tooth arm It meshes with the tooth part of the pinion, and the pinion is connected to the rapier drive toothed disc through the input bevel gear and the rapier drive shaft to drive the rigid rapier upper strip tooth pattern in the rigid rapier track seat to mesh. The mechanism can utilize the weft insertion of the weaving fell and the parallel beating of the reed, which can effectively simplify the reed structure, manufacturing cycle and cost, and conveniently realize the replacement of varieties.
Description
Technical Field
The invention relates to a loom structure, in particular to a parallel beating-up and weft insertion mechanism.
Background
The rapier loom comprises a beating-up part and a weft insertion part, wherein the rigid rapier weft insertion is provided with a single rapier and a double rapier for weft insertion, the double rapier is mainly used for simultaneously picking up the upper layer and the lower layer of hollow spacer fabric with larger intervals between the upper layer and the lower layer, so that a beating-up shaft needs to rotate by a large angle, and a V-shaped reed (see the serial number 28 in the attached figure 3) is required to be adopted because the reed is higher so as not to enable the upper edge of the reed to touch a heald frame or a heald wire and effectively utilize an opening, and the V-shaped reed is complicated in production process, long in period and high in cost because reed teeth are V-shaped, and a user is difficult to bear the cost of buying the reed when changing the variety and can move to 1-2 ten.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the parallel beating-up and weft-inserting mechanism which can utilize a fell for weft-inserting weaving and parallel beating-up of a reed, effectively simplifies the structure of the reed, the manufacturing period and the cost and conveniently realizes variety replacement.
The technical scheme adopted by the invention is as follows: the utility model provides a parallel beat-up weft insertion mechanism, includes beat-up device and weft insertion device, its characterized in that: the beating-up mechanism comprises a beating-up fixed stroke reciprocating mechanism, a beating-up driving swing arm, a beating-up driving shaft, a beating-up driving reed foot, a beating-up follow-up shaft, a beating-up follow-up swing arm, a main follow-up swing arm connecting rod, a reed seat and a steel reed, wherein the beating-up follow-up shaft and the beating-up driving shaft are horizontally and movably connected on a loom frame or a frame seat connected with the loom frame in parallel, the beating-up driving swing arm is connected on the beating-up driving shaft in a penetrating way, the beating-up fixed stroke reciprocating mechanism is connected with the beating-up driving swing arm in a driving way to form a reciprocating fixed stroke driving beating-up swing arm rotating state, the lower end of the beating-up follow-up swing arm and the lower end of the beating-up driving reed foot are respectively connected on the beating-up follow-up shaft and the beating-up driving swing arm, the upper end of the beating-up driving reed foot and the upper end of the beating-up follow-up, The main follow-up swing arm connecting rod forms a parallelogram and is connected with a sley with a reed in a penetrating way; the weft insertion device comprises a weft insertion fixed stroke reciprocating mechanism, a weft insertion swing arm, an adjusting connecting rod, a weft insertion toothed arm fulcrum shaft, a toothed shaft, an input bevel gear, an output bevel gear, a rapier driving shaft, a rapier driving toothed disc and a rigid rapier, wherein the weft insertion fixed stroke reciprocating mechanism is connected with one end of the weft insertion swing arm in a driving way and drives the weft insertion swing arm to rotate around the middle part in a hinged mode, the other end of the weft insertion swing arm is hinged with one end of the adjusting connecting rod, the other end of the adjusting connecting rod is hinged with the lower end of the weft insertion toothed arm, the middle part of the weft insertion toothed arm is movably hinged on a loom frame or a frame seat connected with the loom frame through the weft insertion toothed arm fulcrum shaft, the upper part of the weft insertion toothed arm is provided with an arc-shaped tooth part, the arc-shaped tooth part is meshed with a tooth part on the toothed shaft, two ends of the toothed shaft are supported on the loom frame or the frame seat connected with the loom frame through, the lower part of the rapier driving shaft is connected with an output bevel gear in a penetrating way, the output bevel gear is in meshing transmission with the input bevel gear, the upper part of the rapier driving shaft is connected with a rapier driving fluted disc in a penetrating way, and the outer teeth of the rapier driving fluted disc are in meshing with the upper strip-shaped teeth of the rigid rapier arranged in the rigid rapier track seat.
Furthermore, the weft insertion fixed stroke reciprocating mechanism comprises a power shaft, a conjugate cam group and driving rotors, wherein the two driving rotors are respectively connected to the two swing arms at one end of the weft insertion swing arm in a penetrating manner, the power shaft is connected with the conjugate cam group in a penetrating manner, and the two cams of the conjugate cam group are respectively matched with the two driving rotors in a gapless corresponding manner.
Furthermore, the beating-up fixed stroke reciprocating mechanism comprises a power shaft, a conjugate cam group and driving rotors, wherein the two driving rotors are respectively connected with two ends of a beating-up driving swing arm in a penetrating mode, the middle part of the beating-up driving swing arm is movably connected on a loom frame or a frame seat connected with the loom frame in a penetrating mode through a beating-up driving shaft, the power shaft is connected with the conjugate cam group in a penetrating mode, and the two cams of the conjugate cam group are respectively matched with the two driving rotors in a gapless corresponding mode.
Furthermore, the weft insertion fixed stroke reciprocating mechanism comprises a power shaft, a conjugate cam group and driving rotors, wherein the two driving rotors are respectively connected to the two swing arms at one end of the weft insertion swing arm in a penetrating manner, the power shaft is connected with the conjugate cam group in a penetrating manner, and the two cams of the conjugate cam group are respectively matched with the two driving rotors in a gapless manner; the beating-up fixed stroke reciprocating mechanism comprises a power shaft, a conjugate cam group and driving rotors, wherein the two driving rotors are respectively connected with two ends of a beating-up driving swing arm in a penetrating manner, the middle part of the beating-up driving swing arm is movably connected on a loom frame or a frame seat connected with the loom frame in a penetrating manner through a beating-up driving shaft, the power shaft is connected with the conjugate cam group in a penetrating manner, and two cams of the conjugate cam group are respectively matched with the two driving rotors in a gapless corresponding manner; two power shafts of the weft insertion fixed stroke reciprocating mechanism and the beating-up fixed stroke reciprocating mechanism are respectively provided with two meshing gear sets in meshing transmission.
Further, the power shaft is a loom main shaft or a shaft synchronous with the loom main shaft.
Furthermore, the fixed-stroke reciprocating mechanism for weft insertion and beating-up is a crank rotating mechanism, and one end of a weft insertion swing arm or a beating-up driving swing arm is movably hinged on a crank shaft and rotates along with a crank cam shaft to form a reciprocating motion state.
Further, the crank-cam shaft is a loom main shaft or a shaft synchronous with the loom main shaft.
During weft insertion operation, a main shaft or a synchronous shaft of the loom drives a conjugate cam group of a weft insertion fixed stroke reciprocating mechanism, two cams of the conjugate cam group drive a driving rotor without clearance to drive a weft insertion swing arm to rotate around a hinge point at the middle part, the weft insertion swing arm rotates and drives one end of an adjusting connecting rod through the other end of the weft insertion swing arm, the other end of the adjusting connecting rod is in adjustable positioning hinge connection with a weft insertion toothed arm through any hinge hole or an arc groove to enable the weft insertion toothed arm to rotate around the hinge point at the middle part and realize the adjustable range of motion of the swinging of the weft insertion toothed arm, an arc-shaped tooth part at the upper part of the weft insertion, the bevel gear group meshed with the output bevel gear drives the rapier driving shaft to rotate, the rapier driving shaft rotates to drive the rapier driving fluted disc to rotate, and the outer teeth of the rapier driving fluted disc drive the rigid rapier to move in the rigid rapier track seat through the strip-shaped tooth type meshing on the rigid rapier to complete rigid rapier weft insertion; during beating-up operation, a main shaft or a synchronous shaft of the weaving machine drives a conjugate cam group of a beating-up fixed stroke reciprocating mechanism, two cams of the conjugate cam group drive two driving rotors to drive a beating-up driving swing arm to rotate without clearance, so that a beating-up driving shaft penetrating and connected in the middle of the beating-up driving swing arm is driven to rotate, the beating-up driving shaft drives a beating-up driving reed foot to rotate, and a connecting rod of the beating-up driving shaft and a follow-up shaft forms a parallelogram.
The invention only needs to adopt the common flat reed for parallel beating-up operation, has simple steel structure, short production period and low cost, can effectively utilize the fell for weft insertion and weaving, greatly reduces the use cost of users and solves the problem of variety replacement.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the beating-up structure of the present invention;
FIG. 3 is a schematic diagram of a beating-up structure of a conventional V-reed.
In the figure: the device comprises an insertion power shaft 1, an insertion conjugate cam group 2, an insertion driving rotor 3, an insertion swing arm 4, an adjusting connecting rod 5, an insertion toothed arm 6, an arc-shaped tooth part 601, a hinge hole 602, an insertion toothed arm fulcrum 603, a toothed shaft 7, a tooth part 701, an input bevel gear 8, an output bevel gear 9, a rapier driving shaft 10, a rapier driving toothed disc 11, a rigid rapier 12, a strip-shaped tooth profile 121, a rigid rapier track seat 13, a beating-up power shaft 14, a beating-up conjugate cam group 15, a beating-up driving rotor 16, a beating-up driving swing arm 17, a beating-up driving shaft 18, a beating-up driving reed foot 19, a beating-up follow-up shaft 20, a beating-up follow-up swing arm 21, a main follow-up swing arm connecting rod 22, a reed seat 23, a reed 24, a first fulcrum 25, a second fulcrum 26, an engaging gear group 27 and.
Detailed Description
The following further description is made in conjunction with the accompanying drawings and examples.
Shown in FIGS. 1 and 2: a parallel beating-up and weft-inserting mechanism comprises a weft-inserting power shaft 1, a weft-inserting conjugate cam group 2, a weft-inserting driving rotor 3, a weft-inserting swing arm 4, an adjusting connecting rod 5, a weft-inserting tooth arm 6, an arc-shaped tooth part 601, a tooth shaft 7, a tooth part 701, an input bevel gear 8, an output bevel gear 9, a rapier driving shaft 10, a rapier driving fluted disc 11, a rigid rapier 12, a strip-shaped tooth profile 121, a rigid rapier track seat 13, a beating-up power shaft 14, a beating-up conjugate cam group 15, a beating-up driving rotor 16, a beating-up driving swing arm 17, a beating-up driving shaft 18, a beating-up driving reed foot 19, a beating-up follow-up shaft 20, a beating-up follow-up swing arm 21, a main follow-up swing arm connecting rod.
The middle part of a weft insertion swing arm 4 is movably hinged on a loom frame or a frame base connected with the loom frame, two weft insertion driving rotors 3 are respectively connected on the two swing arms at one end of the weft insertion swing arm 4 in a penetrating way, a weft insertion power shaft 1 is connected with a weft insertion conjugate cam group 2 in a penetrating way, two cams of the weft insertion conjugate cam group are respectively matched with the two weft insertion driving rotors 3 in a gapless corresponding way and drive the weft insertion driving rotors 3 to drive the weft insertion swing arms to rotate around the middle part in a mechanism in a reciprocating fixed stroke way at a hinge point, the other end of the weft insertion swing arm 4 is hinged with one end of an adjusting connecting rod 5, the other end of the adjusting connecting rod 5 is hinged with one of a plurality of hinge holes at the lower end of a weft insertion toothed arm 6, the middle part of the weft insertion toothed arm 6 is movably hinged on the loom frame or the frame base connected with the loom frame through a weft insertion swing arm fulcrum 603, the upper part of the weft insertion toothed arm 6 is provided with, an input bevel gear 8 is connected to the gear shaft 7 in a penetrating manner, a rapier driving shaft 10 is vertically connected to a loom frame or a frame seat connected with the loom frame in a penetrating manner through a bearing, an output bevel gear 9 in meshing transmission with the input bevel gear 8 is connected to the lower portion of the rapier driving shaft 10 in a penetrating manner, a horizontally arranged rapier driving gear 11 is connected to the upper portion of the rapier driving shaft 10 in a penetrating manner, and external teeth of the rapier driving gear 11 are meshed with a strip-shaped tooth profile 121 arranged on a rigid rapier 12 in a rigid rapier track seat 13;
a beating-up follower shaft 20 and a beating-up driving shaft 18 are horizontally and movably connected on a loom frame or a frame seat connected with the loom frame in parallel in a penetrating way, a beating-up driving swing arm 17 is connected on the beating-up driving shaft 18 in a penetrating way, two beating-up driving rotors 16 are respectively connected at two ends of the beating-up driving swing arm 17 in a penetrating way, the middle part of the beating-up driving swing arm is movably connected on the loom frame or the frame seat connected with the loom frame in a penetrating way through the beating-up driving shaft 18, a beating-up power shaft 14 is connected with a beating-up conjugate cam group 15 in a penetrating way, two cams of the beating-up conjugate cam group are respectively matched with the two beating-up driving rotors in a gapless way to drive the beating-up driving swing arm to rotate around the middle part in a reciprocating fixed stroke at a hinge point in the mechanism, the lower end of the beating-up follower swing arm 21 and the lower end of a beating-up driving pin 19 are respectively connected on the beating-up follower shaft and the beating-up, the connecting line of the beating-up driving shaft and the beating-up follow-up shaft, the beating-up driving reed foot, the beating-up follow-up swing arm and the main follow-up swing arm connecting rod form a parallelogram, and the main follow-up swing arm connecting rod is connected with a sley 23 of a band steel reed 24 in a penetrating way.
In the embodiment, all the shafts are supported in the mechanism in a penetrating way and are penetrated on the loom frame or a frame seat connected with the loom frame; all the swing arms are movably hinged in the mechanism and are movably hinged on a loom frame or a frame seat connected with the loom frame.
On the basis of the embodiment, a loom main shaft or a shaft synchronous with the loom main shaft can be used as a weft insertion or beating-up power shaft. Or the power shaft of the beating-up and weft insertion fixed stroke reciprocating mechanism is driven by a pair of gear sets 27 which are meshed with each other, so that the power input of one power shaft is realized.
On the basis of the embodiment, a plurality of hinged holes at the other end of the adjusting connecting rod 5, which is hinged with the lower end of the weft insertion toothed arm 6, can be replaced by arc grooves.
On the basis of the embodiment, the fixed-stroke reciprocating mechanism for weft insertion and beating-up can be replaced by a crank rotating mechanism, and one end of a weft insertion swing arm or a beating-up driving swing arm is movably hinged to a crank shaft and rotates along with a crank cam shaft to form a reciprocating motion state. The crank camshaft is a loom main shaft or a shaft synchronous with the loom main shaft.
Claims (8)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911388360.2A CN110923909B (en) | 2019-12-30 | 2019-12-30 | A parallel weft beating and weft insertion mechanism |
| PCT/CN2020/139399 WO2021136088A1 (en) | 2019-12-30 | 2020-12-25 | Parallel beating-up and weft insertion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911388360.2A CN110923909B (en) | 2019-12-30 | 2019-12-30 | A parallel weft beating and weft insertion mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110923909A true CN110923909A (en) | 2020-03-27 |
| CN110923909B CN110923909B (en) | 2024-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911388360.2A Active CN110923909B (en) | 2019-12-30 | 2019-12-30 | A parallel weft beating and weft insertion mechanism |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110923909B (en) |
| WO (1) | WO2021136088A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021136088A1 (en) * | 2019-12-30 | 2021-07-08 | 江苏友诚数控科技有限公司 | Parallel beating-up and weft insertion mechanism |
| CN114990765A (en) * | 2022-07-06 | 2022-09-02 | 天津工业大学 | A kind of reed motion path planning for spacer fabric and its driving control method |
| CN115074894A (en) * | 2022-07-06 | 2022-09-20 | 天津工业大学 | A kind of double-layer rigid rapier drive and control method for spacer fabric |
| CN115445278A (en) * | 2022-10-13 | 2022-12-09 | 广西科学院 | Urban sewage treatment equipment capable of avoiding blockage |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550053A (en) * | 2021-08-23 | 2021-10-26 | 青岛铠硕机械科技有限公司 | Beating-up shaft claw for water-jet loom |
Citations (5)
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| JPH07324253A (en) * | 1994-05-27 | 1995-12-12 | Toyota Autom Loom Works Ltd | Weft-insertion apparatus and beating apparatus of rapier loom |
| CN102995248A (en) * | 2012-12-21 | 2013-03-27 | 王勇 | Numerical control rotating cam control fulcrum chute fuzzing mechanism |
| CN203878285U (en) * | 2014-06-11 | 2014-10-15 | 聊城由甲纺织机械有限公司 | Special rapier loom for wide-angle fabric |
| CN105755651A (en) * | 2016-04-26 | 2016-07-13 | 江苏友诚数控科技有限公司 | Wefting insertion beating-up mechanism of loom |
| CN211734627U (en) * | 2019-12-30 | 2020-10-23 | 江苏友诚数控科技有限公司 | Parallel beating-up and weft insertion mechanism |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2315558A1 (en) * | 1975-06-23 | 1977-01-21 | Placencia De Las Armas | Weft insertion mechanism on fixed yarn reserve looms - positioned to avoid loading of sley, and fully lubricated |
| DE3325591C2 (en) * | 1983-07-15 | 1984-11-15 | Lindauer Dornier Gmbh, 8990 Lindau | Arrangement to relieve the drive mechanisms on weaving machines |
| DE10057692B4 (en) * | 2000-01-29 | 2004-03-25 | Lindauer Dornier Gmbh | Weaving machine for producing a leno fabric |
| CN201695146U (en) * | 2010-04-01 | 2011-01-05 | 浙江汇德科技有限公司 | Rapier loom weft beating and inserting mechanism |
| CN202247164U (en) * | 2011-10-17 | 2012-05-30 | 范其坤 | Beating-up and weft-inserting mechanism of rapier loom |
| CN110923909B (en) * | 2019-12-30 | 2024-12-31 | 江苏友诚数控科技有限公司 | A parallel weft beating and weft insertion mechanism |
-
2019
- 2019-12-30 CN CN201911388360.2A patent/CN110923909B/en active Active
-
2020
- 2020-12-25 WO PCT/CN2020/139399 patent/WO2021136088A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07324253A (en) * | 1994-05-27 | 1995-12-12 | Toyota Autom Loom Works Ltd | Weft-insertion apparatus and beating apparatus of rapier loom |
| CN102995248A (en) * | 2012-12-21 | 2013-03-27 | 王勇 | Numerical control rotating cam control fulcrum chute fuzzing mechanism |
| CN203878285U (en) * | 2014-06-11 | 2014-10-15 | 聊城由甲纺织机械有限公司 | Special rapier loom for wide-angle fabric |
| CN105755651A (en) * | 2016-04-26 | 2016-07-13 | 江苏友诚数控科技有限公司 | Wefting insertion beating-up mechanism of loom |
| CN211734627U (en) * | 2019-12-30 | 2020-10-23 | 江苏友诚数控科技有限公司 | Parallel beating-up and weft insertion mechanism |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021136088A1 (en) * | 2019-12-30 | 2021-07-08 | 江苏友诚数控科技有限公司 | Parallel beating-up and weft insertion mechanism |
| CN114990765A (en) * | 2022-07-06 | 2022-09-02 | 天津工业大学 | A kind of reed motion path planning for spacer fabric and its driving control method |
| CN115074894A (en) * | 2022-07-06 | 2022-09-20 | 天津工业大学 | A kind of double-layer rigid rapier drive and control method for spacer fabric |
| CN115074894B (en) * | 2022-07-06 | 2024-03-22 | 天津工业大学 | A double-layer rigid rapier driving and control method for spacer fabrics |
| CN115445278A (en) * | 2022-10-13 | 2022-12-09 | 广西科学院 | Urban sewage treatment equipment capable of avoiding blockage |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021136088A1 (en) | 2021-07-08 |
| CN110923909B (en) | 2024-12-31 |
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