CN110630077B - Pole mounting and fixing device for power transmission line pole tower - Google Patents
Pole mounting and fixing device for power transmission line pole tower Download PDFInfo
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- CN110630077B CN110630077B CN201910741292.7A CN201910741292A CN110630077B CN 110630077 B CN110630077 B CN 110630077B CN 201910741292 A CN201910741292 A CN 201910741292A CN 110630077 B CN110630077 B CN 110630077B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/20—Side-supporting means therefor, e.g. using guy ropes or struts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
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Abstract
The invention discloses a pole holding and fixing device for a power transmission line tower, which comprises a pole holding and an end fixing piece, wherein the end fixing piece comprises a connecting piece, a fastening piece and a first fastening screw rod; the connecting piece and the clamping piece are fixed through a first fastening screw rod; the end part of the holding pole is fixed with the connecting piece. The invention provides a pole holding and fixing device for a power transmission line pole tower, which has the advantages of convenience in fixing, capability of being used in different terrains and different works and the like, power failure is not needed in the use process, the working efficiency is improved, and the operation reliability of equipment is improved.
Description
Technical Field
The invention relates to the technical field of electric equipment maintenance tools, in particular to a pole holding and fixing device for a power transmission line pole tower.
Background
The power transmission line tower is important equipment in a high-voltage power transmission line, the maintenance and repair of the power transmission line tower are important measures for ensuring the safety of power transmission, and in many cases, the maintenance of the power transmission line tower needs to be carried out under the condition of live power and the maintenance can not be carried out after the power transmission line tower is integrally dismantled; and the part which is positioned for maintenance needs to be additionally reinforced on site, and then the maintained part is detached for replacement and maintenance. Embrace the pole and can consolidate temporarily to power transmission line shaft tower, guarantee that power transmission line shaft tower can normal use in the maintenance process, consequently, before power transmission line shaft tower maintenance construction, generally adopt through embracing the pole to consolidate temporarily to power transmission line shaft tower, demolish again after the maintenance is accomplished and embrace the pole. The existing holding pole is usually an external stay wire holding pole, but the root of the holding pole is fixed at a certain node or a reserved hole of a main material of an iron tower, four floor stay wires are hung on the top of the holding pole to balance the lifting gravity and the stability of the holding pole, and the holding pole is characterized in that the stay wires fall to the ground and are only suitable for relatively flat terrain conditions, the existing holding pole does not change the length in a combined mode, the fixing mode mainly adopts a rope binding mode, the rope elasticity is large, the binding technical requirement is high, the holding pole is greatly shaken after binding, and potential safety hazards exist in construction. Therefore, a pole holding and fixing device for a power transmission line pole tower needs to be designed, is stable after being fixed, can be used in different terrains and different works, and does not need to be powered off in the using process.
Chinese patent application publication No. CN202084839U, the publication date is 2011 12 months and 21 days, entitled "pole support rod device is embraced to high-voltage line across high-density high-voltage transmission line", discloses a pole support rod device is embraced to high-voltage line across high-density high-voltage transmission line, and the device includes iron tower, pole support rod body, optical cable coaster, chain block, iron tower include the cross arm, pole support rod body set up on iron tower, pole support rod body on be equipped with the optical cable coaster, the cross arm of pole support rod body and iron tower between be equipped with the chain block. The holding pole is used for installing a vertical line and is not suitable for temporary fixation during maintenance of the power transmission line tower.
Disclosure of Invention
In order to solve the problems of unstable holding pole fixing structure and small application range in the prior art, the invention provides the holding pole mounting and fixing device for the power transmission line tower, which has the advantages of convenient fixing of the fixing device, capability of being used in different terrains and different works and the like, and power failure is not needed in the use process, so that the operation reliability of equipment is improved while the work efficiency is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pole holding and fixing device for a power transmission line tower comprises a pole holding and an end fixing piece, wherein the end fixing piece comprises a connecting piece, a fastening piece and a first fastening screw rod; the connecting piece and the clamping piece are fixed through a first fastening screw rod; the end part of the holding pole is fixed with the connecting piece.
Among the above-mentioned technical scheme, the tip mounting can pass through connecting piece and fastener with the tight object clamp of being pressed from both sides tightly fixed of shaft tower main material etc. and the tip mounting can press from both sides tightly in the optional position of shaft tower main material, also can be fixed with ground bearing structure, fixes the back as required, holds the pole and can play the supporting role, can maintain the pole tower this moment and change. Through changing the pole length and the tip mounting that the cooperation was used, can use in different topography, different work, and need not to have a power failure in the use, improve equipment operational reliability when improving work efficiency.
Preferably, the clamping device further comprises a middle fixing piece, wherein the middle fixing piece comprises a first clamping piece, a middle supporting piece, a second clamping piece and a second fastening screw, and the middle supporting piece is arranged between the first clamping piece and the second clamping piece; one end of the second fastening screw rod is tightly pressed against the first clamping piece, and the other end of the second fastening screw rod penetrates through the middle supporting piece and is fixed with the second clamping piece; the second fastening screw is slidably connected with the intermediate support. The second fastening screw and the second clamping piece can be directly fixed through threads, or one end of the second fastening screw penetrates through the second clamping piece and is tightly pressed against the second clamping piece through a nut to be fixed. The second tightening screw may also be passed through the second clamping member, the intermediate support member and the first clamping member in reverse order. The first clamping piece and the middle supporting piece clamp the pole, and the middle supporting piece and the second clamping piece clamp the tower main material. The middle fixing piece can slide up and down in the middle of the holding pole as required, a proper fixing position is selected, after the position is selected, the second fastening screw rod is screwed, the first clamping piece, the middle supporting piece and the second clamping piece are clamped simultaneously, and double fixing of the holding pole and the main material of the tower can be realized by screwing one part of the second fastening screw rod, so that the construction efficiency is improved.
Preferably, one end of the first fastening screw presses the fastening piece, and the other end of the first fastening screw penetrates through and is fixed with the connecting piece. The structure can realize the clamping and fixing of the main material of the pole tower.
Preferably, the connecting piece comprises a rotating part, a supporting part and a rotating shaft, and the rotating part is rotatably connected with the supporting part through the rotating shaft. The axis of the rotating shaft is vertical to the axis of the holding pole. The structure can realize the rotation of the rotating part relative to the holding pole, so that the rotating part can rotate to different angles according to requirements, then a clamped object is clamped, and the application range of the fixing device is enlarged.
Preferably, the connecting piece further comprises a first fluted disc, a second fluted disc and a locking rod, the rotating part is fixed with the rotating shaft, the rotating shaft is rotatably connected with the supporting part, the first fluted disc is coaxially arranged with the rotating shaft and is fixed with the supporting part, the second fluted disc is coaxially arranged with the rotating shaft and is in sliding connection with the rotating shaft, and the sliding direction of the second fluted disc is parallel to the axis of the rotating shaft; the locking rod is connected with the rotating part in a telescopic mode, and one end of the locking rod is in contact with the second toothed disc. And the second fluted disc and the rotating shaft are connected in a sliding manner through a spline structure. Because rotatable parts can support the part rotation relatively, it is fixed all to adopt the tip mounting when embracing the pole both ends, and when the centre does not have other fixed knot to construct, probably cause fixed knot to construct unstablely, first fluted disc and second fluted disc can be died rotatable parts and support component lock, guarantee installation back fixing device's stability. During installation, the rotating component is rotated to a proper position and fixed, the locking rod extends out to tightly push the second fluted disc, the first fluted disc is meshed with the second fluted disc, and therefore the rotating component and the supporting component are locked.
Preferably, the locking rod is telescopically connected with the rotating part through a threaded connection. The telescopic direction of the locking rod is parallel to the sliding direction of the second fluted disc. The structure is connected with the locking rod and the rotating part through threaded connection, and the locking rod can stretch out and draw back through rotating the locking rod.
Preferably, the side surface of the second toothed disc is provided with a conical surface, one end of the locking rod, which is in contact with the second toothed disc, is provided with a locking inclined surface matched with the conical surface, and the other end of the locking rod penetrates through the rotating part and is in contact with the clamped object. The structure can be concerned with the flexible and tight state of clamping of rotating part of check lock lever, and when rotating part and fastener clamp tightly by the clamp object, the one end of check lock lever with by the contact of clamp object and promote the check lock lever to second fluted disc one side, the locking inclined plane of check lock lever promotes the second fluted disc and removes to first fluted disc, first fluted disc and the contact of second fluted disc and compress tightly the back, can realize rotating part and supporting component's locking.
Preferably, the telescopic direction of the locking rod is perpendicular to the sliding direction of the second fluted disc. The structure ensures that the pressing force of the clamped object can be directly transmitted to the second fluted disc through the locking rod.
Preferably, a limiting block is arranged on one side, close to the second fluted disc, of the locking rod. The limiting block can prevent the locking rod from falling off.
Preferably, the end fixing member is provided with a friction pad, and the friction pad is arranged on the surface of the end fixing member, which is contacted with the clamped object. The friction pad may increase the clamping reliability of the clamping position.
The invention has the beneficial effects that: (1) the fixing device is convenient to fix, can be used in different terrains and different works, does not need to be powered off in the using process, improves the working efficiency and improves the running reliability of equipment; (2) the middle part of the holding pole can be fixed through the middle fixing piece, so that the fixing reliability is improved, (3) the double fixing of the holding pole and the main material of the tower can be realized through screwing one part of the second fastening screw rod, so that the construction efficiency is improved; (4) the end fixing piece can rotate and is matched with different specified positions; (5) the locking of the rotating part can be associated with the clamping of the end fixing part, and the rotating part cannot rotate when the end fixing part is in a clamping state.
Drawings
FIG. 1 is a schematic view of the construction of an end fitting according to the present invention;
FIG. 2 is a schematic view of the construction of the intermediate fixing member of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is a schematic view of the structure in example 3
FIG. 5 is a schematic structural diagram of the first chainring of the present invention.
In the figure: embrace pole 1, tip mounting 2, connecting piece 2.1, rotating part 2.1.1, supporting part 2.1.2, pivot 2.1.3, first fluted disc 2.1.4, second fluted disc 2.1.5, check lever 2.1.6, stopper 2.1.7, fastener 2.2, first fastening screw 2.3, middle mounting 3, first clamping piece 3.1, middle support piece 3.2, second clamping piece 3.3, second fastening screw 3.4, nut 4.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
Example 1:
as shown in fig. 1 and fig. 2, a pole holding and fixing device for a power transmission line tower comprises a pole holding 1, an end fixing piece 2 and a middle fixing piece 3, wherein the end fixing piece 2 comprises a connecting piece 2.1, a fastening piece 2.2 and a first fastening screw 2.3; the end part of the holding pole 1 is fixed with the connecting piece 2.1; one end of the first fastening screw 2.3 compresses the fastening piece 2.2, and the other end of the first fastening screw 2.3 penetrates through the connecting piece 2.1 and compresses the connecting piece 2.1 through the nut 4 for fixing; the end fixing piece 2 is provided with a friction pad which is arranged on the surface of the end fixing piece 2 contacted with the clamped object; the middle fixing part 3 comprises a first clamping part 3.1, a middle supporting part 3.2, a second clamping part 3.3 and a second fastening screw 3.4, wherein the middle supporting part 3.2 is arranged between the first clamping part 3.1 and the second clamping part 3.3; one end of the second fastening screw 3.4 presses the first clamping piece 3.1, and the other end of the second fastening screw 3.4 penetrates through the middle supporting piece 3.2 and is fixed with the second clamping piece 3.3; the second tightening screw 3.4 is in sliding connection with the intermediate support 3.2. One end of the second fastening screw 3.4 penetrates through the second clamping piece 3.3 and is tightly pressed and fixed on the second clamping piece 3.3 through the nut 4.
Among the above-mentioned technical scheme, tip mounting 2 can press from both sides tight object clamp such as shaft tower main material through connecting piece 2.1 and fastener 2.2 and fix, tip mounting 2 can press from both sides the optional position at shaft tower main material, also can be fixed with ground bearing structure, middle mounting 3 can slide from top to bottom in the middle of embracing pole 1 as required, select suitable fixed position, after the position is selected, through screwing up second fastening screw 3.4, press from both sides tight first clamping piece 3.1, middle support piece 3.2 and second clamping piece 3.3 three simultaneously, through screwing up to one part of second fastening screw 3.4, can realize embracing the double fixation of pole 1 and shaft tower main material, construction efficiency has been increased. After the end fixing piece 2 and the middle fixing piece 3 are fixed according to needs, the holding pole 1 can play a supporting role, and the pole tower can be maintained and replaced at the moment. Through changing 1 length of embracing pole and the tip mounting 2 that the cooperation was used, can use in different topography, different work, and need not to have a power failure in the use, improve equipment operational reliability when improving work efficiency.
Example 2:
as shown in fig. 1, based on embodiment 1, the connecting member 2.1 includes a rotating member 2.1.1, a supporting member 2.1.2, a rotating shaft 2.1.3, a first toothed disc 2.1.4, a second toothed disc 2.1.5 and a locking rod 2.1.6, the rotating member 2.1.1 is fixed to the rotating shaft 2.1.3, the rotating shaft 2.1.3 is rotatably connected to the supporting member 2.1.2, the first toothed disc 2.1.4 is coaxially arranged with the rotating shaft 2.1.3 and fixed to the supporting member 2.1.2, the second toothed disc 2.1.5 is coaxially arranged with the rotating shaft 2.1.3, the second toothed disc 2.1.5 is slidably connected to the rotating shaft 2.1.3 through a spline structure, and a sliding direction of the second toothed disc 2.1.5 is parallel to an axis of the rotating shaft 2.1.3; the locking rod 2.1.6 is telescopically connected with the rotating part 2.1.1, and one end of the locking rod 2.1.6 is contacted with the second toothed disc 2.1.5. The second gear disc 2.1.5 and the rotating shaft 2.1.3 are connected in a sliding mode through a spline structure.
Because rotatable part 2.1.1 can support component 2.1.2 relatively rotate, it is fixed all to adopt end fixing piece 2 when embracing pole 1 both ends, and when the centre does not have other fixed knot to construct, probably cause fixed knot to construct unstably, first fluted disc 2.1.4 and second fluted disc 2.1.5 can be deadly with rotatable part 2.1.1 and support component 2.1.2 lock, guarantee the stability of installation back fixing device. During installation, the rotating part 2.1.1 is rotated to a proper position to be fixed, and then the locking rod 2.1.6 extends out to tightly push the second toothed disc 2.1.5, so that the first toothed disc 2.1.4 is meshed with the second toothed disc 2.1.5, and the rotating part 2.1.1 and the supporting part 2.1.2 are locked.
Example 3:
as shown in fig. 3, based on embodiment 2, the locking rod 2.1.6 and the rotating component 2.1.1 are connected telescopically by a screw thread, and the telescopic direction of the locking rod 2.1.6 is parallel to the sliding direction of the second gear 2.1.5. Above-mentioned structure passes through threaded connection, is connected check lock lever 2.1.6 and rotating part 2.1.1, can realize the flexible of check lock lever 2.1.6 through rotating check lock lever 2.1.6.
Example 4:
as shown in fig. 1, 4 and 5, a conical surface is arranged on the side surface of the second toothed disc 2.1.5, a locking inclined surface adapted to the conical surface is arranged at one end of the locking rod 2.1.6 contacting with the second toothed disc 2.1.5, the other end of the locking rod 2.1.6 penetrates through the rotating part 2.1.1 and contacts with the clamped object, and a limit block 2.1.7 is arranged at one side of the locking rod 2.1.6 close to the second toothed disc 2.1.5; the telescopic direction of the locking rod 2.1.6 is perpendicular to the sliding direction of the second gear disc 2.1.5.
The structure can link the stretching of the locking rod 2.1.6 with the clamping state of the rotating part 2.1.1, when the rotating part 2.1.1 and the fastening piece 2.2 clamp a clamped object, one end of the locking rod 2.1.6 is contacted with the clamped object and pushes the locking rod 2.1.6 to one side of the second toothed disc 2.1.5, the locking inclined plane of the locking rod 2.1.6 pushes the second toothed disc 2.1.5 to move to the first toothed disc 2.1.4, and after the first toothed disc 2.1.4 is contacted with the second toothed disc 2.1.5 and is pressed, the locking of the rotating part 2.1.1 and the supporting part 2.1.2 can be realized.
The invention has the beneficial effects that: the fixing device is convenient to fix, can be used in different terrains and different works, does not need to be powered off in the using process, improves the working efficiency and improves the running reliability of equipment; the middle part of the holding pole can be fixed through the middle fixing piece, so that the fixing reliability is improved, the holding pole and the tower main material can be doubly fixed through screwing one part of the second fastening screw rod, and the construction efficiency is improved; the end fixing piece can rotate and is matched with different specified positions; the locking of the rotating part can be associated with the clamping of the end fixing part, and the rotating part cannot rotate when the end fixing part is in a clamping state.
Claims (6)
1. A pole holding and fixing device for a power transmission line tower is characterized by comprising a pole holding and an end fixing piece, wherein the end fixing piece comprises a connecting piece, a fastening piece and a first fastening screw rod; the connecting piece and the clamping piece are fixed through a first fastening screw rod; the end part of the holding pole is fixed with the connecting piece; the connecting piece further comprises a first fluted disc, a second fluted disc and a locking rod, the rotating part is fixed with the rotating shaft, the rotating shaft is rotatably connected with the supporting part, the first fluted disc is coaxially arranged with the rotating shaft and is fixed with the supporting part, the second fluted disc is coaxially arranged with the rotating shaft and is in sliding connection with the rotating shaft, and the sliding direction of the second fluted disc is parallel to the axis of the rotating shaft; the locking rod is in telescopic connection with the rotating part, and one end of the locking rod is in contact with the second toothed disc; the side of the second fluted disc is provided with a conical surface, one end of the locking rod, which is contacted with the second fluted disc, is provided with a locking inclined plane matched with the conical surface, and the other end of the locking rod penetrates through the rotating part and is contacted with a clamped object.
2. The pole holding, mounting and fixing device for the power transmission line tower as claimed in claim 1, further comprising an intermediate fixing member, wherein the intermediate fixing member comprises a first clamping member, an intermediate supporting member, a second clamping member and a second fastening screw, and the intermediate supporting member is arranged between the first clamping member and the second clamping member; one end of the second fastening screw rod is tightly pressed against the first clamping piece, and the other end of the second fastening screw rod penetrates through the middle supporting piece and is fixed with the second clamping piece; the second fastening screw is slidably connected with the intermediate support.
3. The pole holding, mounting and fixing device for the transmission line tower as claimed in claim 1, wherein one end of the first fastening screw presses the fastening member, and the other end of the first fastening screw passes through and is fixed to the connecting member.
4. The pole holding and fixing device for the power transmission line tower as claimed in claim 1, 2 or 3, wherein the connecting member comprises a rotating part, a supporting part and a rotating shaft, and the rotating part is rotatably connected with the supporting part through the rotating shaft.
5. The device as claimed in claim 1, 2 or 3, wherein the locking rod extends in a direction perpendicular to the sliding direction of the second toothed disc.
6. The device as claimed in claim 1, 2 or 3, wherein a limiting block is disposed on a side of the locking rod adjacent to the second fluted disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910741292.7A CN110630077B (en) | 2019-08-12 | 2019-08-12 | Pole mounting and fixing device for power transmission line pole tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910741292.7A CN110630077B (en) | 2019-08-12 | 2019-08-12 | Pole mounting and fixing device for power transmission line pole tower |
Publications (2)
| Publication Number | Publication Date |
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| CN110630077A CN110630077A (en) | 2019-12-31 |
| CN110630077B true CN110630077B (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910741292.7A Active CN110630077B (en) | 2019-08-12 | 2019-08-12 | Pole mounting and fixing device for power transmission line pole tower |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113511606B (en) * | 2021-07-14 | 2022-11-25 | 贵州电网有限责任公司 | Quick wire drawing device suitable for maintenance under emergency |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU500385A1 (en) * | 1974-03-20 | 1976-01-25 | Предприятие П/Я Г-4781 | Locking device |
| WO2004004980A1 (en) * | 1998-11-03 | 2004-01-15 | Carroll Sean M | Extendable spline-drive socket system |
| JP5179929B2 (en) * | 2008-04-11 | 2013-04-10 | 株式会社テック・ヤスダ | Meshing coupling |
| CN102563302B (en) * | 2010-12-31 | 2014-11-05 | 海洋王照明科技股份有限公司 | Locking structure capable of rotating lamp pole |
| KR20130125929A (en) * | 2012-05-10 | 2013-11-20 | 이정석 | Supporting device for reflex mirror |
| CN203113884U (en) * | 2013-02-01 | 2013-08-07 | 山东电力集团公司莱芜供电公司 | Fixing device of tower assembling derrick for power transmission lines |
| CN203734212U (en) * | 2014-03-04 | 2014-07-23 | 国家电网公司 | Overhead low-voltage cable wire-binding pulley |
| CN105151026A (en) * | 2015-09-23 | 2015-12-16 | 中国重型机械研究院股份公司 | Shaft-disc locking mechanism |
| CN206044663U (en) * | 2016-05-13 | 2017-03-29 | 上海凯利泰医疗科技股份有限公司 | A kind of carpal joint and articulations digitorum manus operation traction fixing device |
| CN206460756U (en) * | 2017-01-16 | 2017-09-01 | 罗森伯格技术（昆山）有限公司 | pole mounting bracket |
| CN107039919A (en) * | 2017-05-05 | 2017-08-11 | 国网江苏省电力公司常州供电公司 | A kind of wire-binding device |
| CN108005459B (en) * | 2017-11-14 | 2019-09-20 | 金华送变电工程有限公司三为电力分公司 | The method that electric force pole tower temporarily blocks wind cord holder and its is tensioned bracing wire |
| CN107749512B (en) * | 2017-11-20 | 2023-11-28 | 广东通宇通讯股份有限公司 | Antenna base and antenna |
| CN207679950U (en) * | 2017-12-07 | 2018-08-03 | 赵小永 | A kind of body-building office chair |
| CN207847232U (en) * | 2017-12-26 | 2018-09-11 | 国网浙江省电力公司嘉兴供电公司 | A kind of holding pole base angular adjustment apparatus |
| CN208190209U (en) * | 2018-04-23 | 2018-12-04 | 绍兴广电工程有限公司 | A kind of route uses cable anchor ear with entering |
| CN108577475B (en) * | 2018-05-09 | 2023-09-26 | 泉州市巨将防盗设备有限公司 | Automatic curtain control device |
| CN110107658B (en) * | 2019-04-29 | 2022-05-10 | 黎李韦 | Fluted disc linkage speed change mechanism and fluted disc linkage speed changer |
-
2019
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