CN115126942B - Connector hoop for connecting fly ash outlet horizontal pipe with ash receiving hose of tank truck - Google Patents
Connector hoop for connecting fly ash outlet horizontal pipe with ash receiving hose of tank truck Download PDFInfo
- Publication number
- CN115126942B CN115126942B CN202210741982.4A CN202210741982A CN115126942B CN 115126942 B CN115126942 B CN 115126942B CN 202210741982 A CN202210741982 A CN 202210741982A CN 115126942 B CN115126942 B CN 115126942B
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- China
- Prior art keywords
- pressing plate
- nut
- hand
- screw thread
- bidirectional screw
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
- F16L21/065—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends tightened by tangentially-arranged threaded pins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
Abstract
The application relates to a connector hoop for connecting a fly ash outlet horizontal pipe with an ash receiving hose of a tank truck, which relates to the technical field of mechanical accessories and comprises a hand-screwed bidirectional screw rod, a nut, a movable pressing plate and a chain steel belt, wherein a hollow groove penetrating through the middle part of the hand-screwed bidirectional screw rod is arranged, and an inner screw thread and an outer screw thread with opposite threads are arranged on the inner groove wall and the outer rod part; the chain type steel belt is welded at the bottom of the nut through one end, and the other end is buckled with a retaining ring welded at the bottom of the nut; the rod part of the movable pressing plate is inserted into the hollow groove and meshed with the inner screw thread of the hand-screwed bidirectional screw rod, the nut is sleeved outside the hand-screwed bidirectional screw rod and meshed with the outer screw thread, and the pressing plate end of the movable pressing plate extends into the annular hoop structure in a crescent shape and forms a pipe hoop structure under the combined action of the pressing plate end and the chain type steel belt. The application has reliable connection effect on the joint part of the fly ash outlet horizontal pipe and the ash receiving hose of the tank truck, so that the joint part is not easy to leak ash, and the application effect is good.
Description
Technical Field
The application belongs to the technical field of mechanical accessories, and particularly relates to a connector hoop for connecting a fly ash outlet horizontal pipe with an ash receiving hose of a tank truck.
Background
The fly ash is tiny ash particles discharged in the combustion process of fuel (mainly coal), about 250-300kg of fly ash is produced by burning 1t of coal according to the condition of coal consumption in China, a large amount of fly ash is not controlled or treated, atmospheric pollution is caused, the fly ash enters a water body and can stagnate a river channel, certain chemical substances are harmful to organisms and human bodies, the existing fly ash collecting treatment is to connect a fly ash outlet with an ash receiving hose of a tank truck, and the fly ash is connected into the tank truck and then transported by the tank truck to centralized treatment and recycling;
in the prior art, the fly ash outlet horizontal pipe is a steel pipe, the tank truck ash receiving pipe is a rubber hard pipe, and the rubber pipe is nested on the steel pipe, but due to the fact that the hardness of the fly ash outlet horizontal pipe and the rubber pipe are different, ash leakage problem is caused by poor quality of a pipe hoop in the ash conveying process with certain pressure, and the fly ash outlet horizontal pipe is unfavorable for use.
Disclosure of Invention
The application aims to solve the problems and provide a connector hoop for connecting a fly ash outlet horizontal pipe with an ash receiving hose of a tank truck.
The application realizes the above purpose through the following technical scheme:
the connector hoop for connecting the fly ash outlet horizontal pipe with the ash receiving hose of the tank truck comprises a hand-screwed bidirectional screw rod, a nut, a movable pressing plate and a chain type steel belt, wherein a hollow groove penetrating through the middle part of the hand-screwed bidirectional screw rod is formed, and an inner screw thread and an outer screw thread which are opposite in screw thread are arranged on the inner groove wall and the outer rod part;
the chain type steel belt is welded at the bottom of the nut through one end, and the other end is buckled with a retaining ring welded at the bottom of the nut to form a closed annular hoop structure;
the rod part of the movable pressing plate is inserted into the hollow groove and meshed with the inner screw thread of the hand-screwed bidirectional screw rod, the nut is sleeved outside the hand-screwed bidirectional screw rod and meshed with the outer screw thread, and the pressing plate end of the movable pressing plate extends into the annular hoop structure in a crescent shape and forms a pipe hoop structure under the combined action of the pressing plate end and the chain type steel belt.
As a further optimization scheme of the application, the movable pressing plate comprises a inserting rod, a pressing plate piece, a plurality of support plates and a rotating connecting piece, wherein an engaged thread part matched with an inner thread is arranged outside the inserting rod, the pressing plate piece and the support plates symmetrically distributed at the two ends of the pressing plate piece form a crescent arc structure, and the lower ends of the pressing plate piece are rotatably connected with the lower ends of the support plates and the lower ends of the adjacent support plates through the rotating connecting piece.
As a further optimization scheme of the application, the outer rod part of the manual-screwing bidirectional screw rod is in a T-shaped structure.
As a further optimization scheme of the application, one end part of the chain type steel belt is provided with a barb for being buckled with the buckle ring.
As a further optimization scheme of the application, the middle section of the inner side of the chain type steel belt is provided with the lining belt, a clearance cavity is reserved between the lining belt and the inner side wall of the chain type steel belt, two ends of the lining belt in the transverse direction are communicated with the clearance cavity, and a reinforcing abutting component is further arranged in the clearance cavity.
As a further optimization scheme of the application, a plurality of through openings are formed in the lining belt, and a rotating shaft is arranged in each through opening.
As a further optimization scheme of the application, the reinforced abutting component comprises a connecting seat, a movable plate, abutting pieces and a linkage piece, wherein the connecting seat is arranged at the joint of the chain type steel belt and the barb, the movable plate is connected with the outside of the connecting seat in a shaft mode, the abutting pieces are correspondingly sleeved on rotating shafts in all through holes, the linkage piece is arranged in a clearance cavity and is movably connected with each abutting piece, and one end of the linkage piece extends out from one side of the clearance cavity and is movably connected with one end of the movable plate.
As a further optimization scheme of the application, the linkage piece comprises a linkage rod, a plurality of universal balls are uniformly distributed on the linkage rod, a sleeve piece for sleeving a rotating shaft is arranged in the middle of each abutting piece, a convex plate is arranged on one side, facing the gap cavity, of the sleeve piece, bowl-shaped grooves are formed in one ends, facing the gap cavity, of the convex plate and the movable plate, and the universal balls are correspondingly and movably embedded in the bowl-shaped grooves.
The application has the beneficial effects that:
1. according to the application, the manual-screwing bidirectional screw rod is arranged, the inner and outer screw thread structures of the manual-screwing bidirectional screw rod are respectively matched with the rod part of the movable pressing plate and the nut, when the manual-screwing bidirectional screw rod is screwed, the position of the nut rises along the outer part of the manual-screwing bidirectional screw rod, the movable pressing plate moves downwards along the hollow groove of the manual-screwing bidirectional screw rod, so that the chain steel belt is pulled by the nut to move upwards and be continuously fastened, the crescent pressing plate end of the movable pressing plate is pressed downwards, so that the pipe hoop structure formed by the combined action of the crescent pressing plate and the chain steel belt is continuously tightened and then tightly pressed against the joint part of two pipes, the operation is simple, the connecting structure is reliable, ash leakage is not easy, and the application effect is good;
2. according to the application, the reinforcing abutting component is arranged, the crescent pressing plate end of the movable pressing plate moves downwards along the hollow groove of the hand-screwed bidirectional screw rod, the crescent pressing plate end of the movable pressing plate contacts the movable plate and then applies force to the movable plate to enable the movable plate to rotate with the connecting seat, one end of the movable plate pulls the linkage piece to generate synchronous position movement, and after the linkage piece is synchronously rotated out of the through hole, a plurality of abutting pieces connected with the linkage piece realize further abutting on joint parts of two pipes, so that the abutting effect of the chain type steel belt on the joint parts is further enhanced, and the use structural firmness of the joint hoop is further improved.
Drawings
FIG. 1 is a top view of an overall structure provided by the present application;
FIG. 2 is a schematic view of a movable platen according to the present application;
FIG. 3 is a schematic view showing the structure development of a chain type steel strip according to the present application;
FIG. 4 is a schematic structural view of a reinforced abutment assembly according to the present application;
FIG. 5 is a perspective view of an abutment provided by the present application;
in the figure: 1. manually screwing the bidirectional screw rod; 2. a nut; 3. a movable pressing plate; 31. a rod; 32. engaging the threaded portion; 33. a platen member; 34. a support plate; 35. rotating the connecting piece; 4. a clasp ring; 5. chain type steel belt; 6. a liner tape; 7. a reinforcement abutment assembly; 71. a connecting seat; 72. a movable plate; 73. bowl-shaped grooves; 74. a universal ball; 75. an abutment; 76. a sleeve member; 77. a linkage rod; 78. a convex plate; 8. a barb; 9. a through hole; 10. and (3) rotating the shaft.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of further illustrating the application only and is not to be construed as limiting the scope of the application, as various insubstantial modifications and adaptations of the application to those skilled in the art can be made in light of the foregoing disclosure.
As shown in fig. 1, the connector hoop for connecting the fly ash outlet horizontal pipe and the ash receiving hose of the tank truck provided by the embodiment comprises a hand-screwed bidirectional screw rod 1, a nut 2, a movable pressing plate 3 and a chain type steel belt 5, wherein a hollow groove penetrating through the middle part of the hand-screwed bidirectional screw rod 1 is arranged, and an inner screw thread and an outer screw thread with opposite threads are arranged on the inner groove wall and the outer rod part;
the chain type steel belt 5 is welded at one end at the bottom of the nut 2, and the other end is buckled with the buckling ring 4 welded at the bottom of the nut 2 to form a closed annular hoop structure;
the rod part of the movable pressing plate 3 is inserted into the hollow groove and meshed with the inner screw thread of the hand-screwed bidirectional screw rod 1, the nut 2 is sleeved outside the hand-screwed bidirectional screw rod 1 and meshed with the outer screw thread, and the pressing plate end of the movable pressing plate 3 extends into the annular hoop structure in a crescent shape and forms a pipe hoop structure under the coaction of the chain type steel belt 5.
One end of the chain type steel belt 5 is provided with a barb 8 which is used for being buckled with the buckle ring 4, and is better buckled with the buckle ring 4.
As shown in fig. 2, the movable pressing plate 3 includes a plugging rod 31, a pressing plate 33, a plurality of support plates 34 and a rotating connection member 35, the plugging rod 31 is provided with an internal thread engaged with the engaged thread portion 32, the plugging rod 31 can move relative to the hand-screwed bidirectional screw 1, the pressing plate 33 and the support plates 34 symmetrically distributed at two ends of the pressing plate 33 form a crescent arc structure, the lower ends of the pressing plate 33 and the lower ends of the support plates 34 and the lower ends of the adjacent support plates 34 are respectively connected in a rotating manner by the rotating connection member 35, and the lower ends of the pressing plate 33 and the lower ends of the support plates 34 and the lower ends of the adjacent support plates 34 can be in rotatable fit with each other so as to better adapt to the shape of a joint when contacting the joint part, so as to carry out adaptive structural deformation.
Specifically, the chain steel belt 5 bypasses the joint part of two pipes and enables the retaining ring 4 of one end of the chain steel belt 5 to be fastened at the bottom of the nut 2 to be fastened mutually to form a closed annular hoop-shaped structure, then, the outer rod part of the manual-screwing bidirectional screw 1 is in a T-shaped structure, the two wings at the upper side of the manual-screwing bidirectional screw 1 are screwed, the inner groove wall and the outer rod part of the manual-screwing bidirectional screw are provided with inner threads and outer threads opposite in threads, the nut 2 is meshed with the outer threads, the rod part of the movable pressing plate 3 is inserted into the hollow groove and meshed with the inner threads of the manual-screwing bidirectional screw 1, at the moment, the position of the nut 2 rises along the outer part of the manual-screwing bidirectional screw 1, the movable pressing plate 3 moves downwards along the hollow groove of the manual-screwing bidirectional screw 1, the chain steel belt 5 is led to be fastened up after being pulled by the nut 2, and the crescent-shaped pressing plate end of the movable pressing plate 3 is pressed downwards to enable the pipe hoop structure formed by the combined action of the manual-screwing bidirectional screw 1 to be tightly pressed against the joint part of two pipes after being continuously tightened, the operation is simple, the connection structure is reliable, and the ash leakage effect is not easy to apply.
As shown in fig. 3-5, the middle section of the inner side of the chain type steel belt 5 is provided with a lining belt 6, a gap cavity is reserved between the lining belt 6 and the inner side wall of the chain type steel belt 5, the lining belt 6 is communicated with the gap cavity along the transverse two ends, a reinforcing abutting component 7 is further arranged in the gap cavity, and the lining belt 6 is made of flexible and bendable materials.
The lining belt 6 is provided with a plurality of through holes 9, each through hole 9 is internally provided with a rotating shaft 10, the reinforcing abutting component 7 comprises a connecting seat 71, a movable plate 72, abutting pieces 75 and a linkage piece, the connecting seat 71 is arranged at the joint of the chain type steel belt 5 and the barbs 8, the movable plate 72 is axially connected to the outside of the connecting seat 71, the abutting pieces 75 are correspondingly sleeved on the rotating shafts 10 in each through hole 9, the linkage piece is arranged in a clearance cavity and is movably connected with each abutting piece 75, one end of the linkage piece extends out from one side of the clearance cavity and is movably connected with one end of the movable plate 72, the linkage piece comprises a linkage rod 77, a plurality of universal balls 74 are uniformly distributed on the linkage rod 77, sleeve pieces 76 for sleeving the rotating shafts 10 are respectively arranged in the middle of the abutting pieces 75, a boss 78 is arranged on one side of each sleeve piece 76 facing the clearance cavity, bowl-shaped grooves 73 are respectively arranged on one ends of the boss 78 and the movable plate 72 facing the clearance cavity, and the universal balls 74 are correspondingly embedded in the bowl-shaped grooves 73.
Specifically, twist and twist two wings of two-way lead screw 1 upside, the position of nut 2 is along twisting two-way lead screw 1 outside and rise, lead to chain formula steel band 5 to receive the pulling of nut 2 back and move continuously fastening, in addition, crescent clamp plate end of movable clamp plate 3 is along twisting two-way lead screw 1 cavity down, crescent clamp plate end of movable clamp plate 3 contacts movable plate 72 back and makes it produce the rotation with connecting seat 71, movable plate 72 one end bowl form inslot movable embedding is equipped with universal ball 74, move along movable plate 72 direction of rotation through universal ball 74 pulling gangbar 77 when movable plate 72 rotates, all cup joint with the sleeve piece 76 at the middle part of butt piece 75 through axis of rotation 10 in each through-hole 9, one side of sleeve piece 76 orientation clearance intracavity is equipped with flange 78, a plurality of universal balls 74 on the gangbar 77 are respectively movable embedding in the bowl form groove 73 on the flange 78, and then when movable plate 77 moves in the position, through universal balls 74 pulling the outside of every sleeve piece 76 and movable plate bowl form groove 73, the universal balls 74 movable joint is equipped with universal balls 74, the joint is realized to the joint of joint 75, further improvement effect that the butt joint is followed to the butt joint piece 5 is realized to the butt joint that the butt joint piece is followed to the butt joint piece 75, further makes the butt joint part of joint piece 75 rotate, and the butt joint piece is rotated to the butt joint part is rotated to the joint piece is made to the butt joint part 5, and the joint part is further has been rotated to the butt joint part to the joint piece to the joint part of joint piece is made.
The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application.
Claims (6)
1. The utility model provides a coal ash export violently manages and connects ash hose connection with nipple hoop with tank car which characterized in that: the hand-twisting bidirectional screw rod comprises a hand-twisting bidirectional screw rod (1), a nut (2), a movable pressing plate (3) and a chain type steel belt (5), wherein a hollow groove penetrating through the middle part of the hand-twisting bidirectional screw rod (1) is formed, and an inner screw thread and an outer screw thread which are opposite in screw thread are arranged on the inner groove wall and the outer rod part;
the chain type steel belt (5) is welded at the bottom of the nut (2) through one end, and the other end is buckled with the retaining ring (4) welded at the bottom of the nut (2) to form a closed annular hoop structure;
the rod part of the movable pressing plate (3) is inserted into the hollow groove and meshed with the inner screw thread of the hand-screwed bidirectional screw rod (1), the nut (2) is sleeved outside the hand-screwed bidirectional screw rod (1) and meshed with the outer screw thread, and the pressing plate end of the movable pressing plate (3) stretches into the annular hoop structure in a crescent shape and forms a pipe hoop structure under the combined action of the pressing plate end and the chain type steel belt (5);
one end of the chain type steel belt (5) is provided with a barb (8) which is used for being buckled with the buckle ring (4), the middle section of the inner side of the chain type steel belt (5) is provided with a lining belt (6), a clearance cavity is reserved between the lining belt (6) and the inner side wall of the chain type steel belt (5), the lining belt (6) is communicated with the clearance cavity along the two transverse ends, and a reinforcing butt assembly (7) is further arranged in the clearance cavity.
2. The connector hoop for connecting a fly ash outlet horizontal pipe with a tank truck ash receiving hose according to claim 1, wherein: the movable pressing plate (3) comprises an inserting rod (31), a pressing plate piece (33), a plurality of supporting plates (34) and a rotating connecting piece (35), the outside of the inserting rod (31) is provided with a meshing threaded portion (32) matched with an inner screw thread, the pressing plate piece (33) and the supporting plates (34) symmetrically distributed at the two ends of the pressing plate piece (33) form a crescent arc structure, and the lower ends of the pressing plate piece (33) are connected with the lower ends of the supporting plates (34) and the lower ends of the adjacent supporting plates (34) in a rotating mode through the rotating connecting piece (35).
3. The connector hoop for connecting a fly ash outlet horizontal pipe with a tank truck ash receiving hose according to claim 1, wherein: the outer rod part of the hand-screwed bidirectional screw rod (1) is in a T-shaped structure.
4. The connector hoop for connecting a fly ash outlet horizontal pipe with a tank truck ash receiving hose according to claim 1, wherein: a plurality of through openings (9) are formed in the lining belt (6), and a rotating shaft (10) is arranged in each through opening (9).
5. The connector hoop for connecting a fly ash outlet horizontal pipe with a tank truck ash receiving hose according to claim 4, wherein: the reinforcing butt subassembly (7) include connecting seat (71), fly leaf (72), butt spare (75) and linkage piece, the junction of chain formula steel band (5) and barb (8) is located to connecting seat (71), fly leaf (72) coupling is in the outside of connecting seat (71), butt spare (75) are a plurality of corresponding cover and are located on axis of rotation (10) in every through-hole (9), the linkage piece is located clearance intracavity and every butt spare (75) swing joint, and the one end of linkage piece stretches out back and fly leaf (72) one end swing joint from the one side in clearance chamber.
6. The connector hoop for connecting a fly ash outlet horizontal pipe with a tank truck ash receiving hose according to claim 5, wherein: the linkage piece includes gangbar (77), the equipartition has a plurality of universal balls (74) on gangbar (77), every butt spare (75) middle part all is equipped with sleeve spare (76) that supply axis of rotation (10) to cup joint, and sleeve spare (76) are equipped with flange (78) towards one side in the clearance intracavity, flange (78) all are equipped with bowl form groove (73) with fly leaf (72) towards the one end in clearance intracavity, universal balls (74) correspond the activity and inlay and locate in bowl form groove (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210741982.4A CN115126942B (en) | 2022-06-28 | 2022-06-28 | Connector hoop for connecting fly ash outlet horizontal pipe with ash receiving hose of tank truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210741982.4A CN115126942B (en) | 2022-06-28 | 2022-06-28 | Connector hoop for connecting fly ash outlet horizontal pipe with ash receiving hose of tank truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115126942A CN115126942A (en) | 2022-09-30 |
| CN115126942B true CN115126942B (en) | 2023-09-15 |
Family
ID=83379155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210741982.4A Active CN115126942B (en) | 2022-06-28 | 2022-06-28 | Connector hoop for connecting fly ash outlet horizontal pipe with ash receiving hose of tank truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115126942B (en) |
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| GB160658A (en) * | 1920-03-12 | 1921-03-31 | Charles Ievers Lopdell | Improvements relating to band clips or clamping devices |
| RU26628U1 (en) * | 2002-08-05 | 2002-12-10 | Ломаев Максим Аркадьевич | REPLACEMENT DEVICE FOR REPEATED USE (OPTIONS) |
| CN202007940U (en) * | 2010-12-20 | 2011-10-12 | 比亚迪股份有限公司 | Hose hoop |
| CN205664033U (en) * | 2016-06-12 | 2016-10-26 | 中国神华能源股份有限公司 | Clamp device |
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| CN208153898U (en) * | 2018-01-23 | 2018-11-27 | 余姚市恒威卡箍有限公司 | A kind of worm-drive clip with inner lining steel band |
| CN211389513U (en) * | 2019-12-16 | 2020-09-01 | 乐陵山水水泥有限公司 | Safety device for feeding of fly ash raw material tank |
| CN213745404U (en) * | 2020-09-17 | 2021-07-20 | 余姚市恒威卡箍有限公司 | T-shaped clamp with spring |
| CN214197761U (en) * | 2020-12-23 | 2021-09-14 | 吴慧兵 | Leaking stoppage die for water supply and drainage pipes |
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| DE1133191B (en) * | 1958-03-17 | 1962-07-12 | Karl Klug | Ribbon screw clamp |
| GB908676A (en) * | 1959-10-27 | 1962-10-24 | Svenska Flaektfabriken Ab | Device for joining ducts |
| CN209130340U (en) * | 2018-10-08 | 2019-07-19 | 天津市鹤鼎工贸有限公司 | Pawl clip |
| CN215674078U (en) * | 2021-08-31 | 2022-01-28 | 河南沃克曼建设工程有限公司 | Chain type pipeline fastening device |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB160658A (en) * | 1920-03-12 | 1921-03-31 | Charles Ievers Lopdell | Improvements relating to band clips or clamping devices |
| RU26628U1 (en) * | 2002-08-05 | 2002-12-10 | Ломаев Максим Аркадьевич | REPLACEMENT DEVICE FOR REPEATED USE (OPTIONS) |
| CN202007940U (en) * | 2010-12-20 | 2011-10-12 | 比亚迪股份有限公司 | Hose hoop |
| CN205664033U (en) * | 2016-06-12 | 2016-10-26 | 中国神华能源股份有限公司 | Clamp device |
| CN106439373A (en) * | 2016-11-02 | 2017-02-22 | 国网山东省电力公司青岛市黄岛区供电公司 | Application method of tool for repair plate fastening in pipe repair |
| CN207945384U (en) * | 2018-01-23 | 2018-10-09 | 余姚市恒威卡箍有限公司 | A kind of scroll drive type clip |
| CN208153898U (en) * | 2018-01-23 | 2018-11-27 | 余姚市恒威卡箍有限公司 | A kind of worm-drive clip with inner lining steel band |
| CN211389513U (en) * | 2019-12-16 | 2020-09-01 | 乐陵山水水泥有限公司 | Safety device for feeding of fly ash raw material tank |
| CN213745404U (en) * | 2020-09-17 | 2021-07-20 | 余姚市恒威卡箍有限公司 | T-shaped clamp with spring |
| CN214197761U (en) * | 2020-12-23 | 2021-09-14 | 吴慧兵 | Leaking stoppage die for water supply and drainage pipes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115126942A (en) | 2022-09-30 |
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