CN108387114B - Condenser of recirculating tower - Google Patents
Condenser of recirculating tower Download PDFInfo
- Publication number
- CN108387114B CN108387114B CN201810053001.0A CN201810053001A CN108387114B CN 108387114 B CN108387114 B CN 108387114B CN 201810053001 A CN201810053001 A CN 201810053001A CN 108387114 B CN108387114 B CN 108387114B
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- water inlet
- condenser
- welded
- gear
- inlet groove
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
Abstract
The invention discloses a condenser of a recirculating tower, which comprises a condenser body, wherein one side of the condenser body is provided with a water inlet groove, a snap ring is arranged in the water inlet groove in a sliding manner, the inner side of the snap ring is fixedly provided with a water inlet pipe, the condenser body is provided with two symmetrically arranged cavities, the water inlet groove is positioned between the two cavities, the cavities are provided with sliding plates in a sliding manner, one side of each sliding plate, which is close to the water inlet groove, is welded with a connecting rod, one side of each connecting rod, which is close to the water inlet groove, is welded with a sleeve, the inner side of each sleeve is provided with a clamping column in a sliding manner, the outer side of each snap ring is provided with. The condenser is simple in structure and high in practicability, the water inlet pipe can be quickly installed on the condenser body, the sealing performance between the water inlet pipe and the condenser body can be guaranteed, the liquid leakage phenomenon is prevented, and the condenser is beneficial to use of people.
Description
Technical Field
The invention relates to the technical field of condensers, in particular to a condenser of a recirculating tower.
Background
The methanol-to-methane chloride plant is mainly divided into three units of hydrochlorination, thermal chlorination and rectification, the thermal chlorination unit is the core of the whole plant and is divided into a thermal chlorination reactor system, a three-stage condensation system and a recycling tower system, the recycling tower plays an important role in the production plant of methane chloride, and a patent document with the publication number of CN104279572B discloses a system and a method for treating flue gas from a combustion process through retrieval, wherein the system for treating flue gas from a combustion process comprises a condenser, a compressor for compressing flue gas with moisture lost at the condenser, and NO supplied with compressed flue gas from the compressor2Scrubber tower for supplying liquid condensed at a condenser to NO2Liquid supply line of scrubber tower for liquid from NO2The scrubber tower is recycled to the liquid recycle line of the condenser, which design can drastically reduce or completely eliminate the amount of acid water generated at the wet scrubber.
The condenser can be used in the recirculating tower usually, and the condenser can be connected with the recirculating tower through the inlet tube, but traditional condenser is not convenient for consolidate the position of inlet tube for the leakproofness is not enough between inlet tube and the condenser, and the liquid leakage accident appears easily, is unfavorable for people's use, therefore we have proposed a recirculating tower condenser and have been used for solving above-mentioned problem.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a condenser of a recirculating tower.
The invention provides a recycling tower condenser, which comprises a condenser body, wherein one side of the condenser body is provided with a water inlet groove, a snap ring is arranged in the water inlet groove in a sliding manner, the inner side of the snap ring is fixedly provided with a water inlet pipe, the condenser body is provided with two symmetrically arranged cavities, the water inlet groove is positioned between the two cavities, the cavity is provided with a sliding plate in a sliding manner, one side of the sliding plate, which is close to the water inlet groove, is welded with a connecting rod, one side of the connecting rod, which is close to the water inlet groove, is welded with a sleeve, the inner side of the sleeve is provided with a clamping column in a sliding manner, the outer side of the snap ring is provided with two symmetrically arranged clamping grooves, the clamping column is clamped with the corresponding clamping groove, the inner wall of one side of the cavity is provided with a through hole, a lead screw is rotatably arranged in the through hole, the outer side of the lead screw, the rotation hole has been seted up at the top of slide, rotate on the one side inner wall in rotation hole and install the spool, the one end welding of spool has the second gear, the outside of spool is around establishing and being fixed with the wire drawing, one side fixed connection that the intake chamber was kept away from to the one end that the spool was kept away from to the wire drawing and the card post that corresponds, fixed mounting has the push rod motor on the one side inner wall of through-hole, fixed mounting has step motor on the output shaft of push rod motor, the welding has drive gear on step motor's the output shaft, drive gear meshes with the second gear that corresponds mutually, two first gears all are located between two drive gear, first gear cooperatees with the drive gear.
Preferably, the inner wall of one side, close to each other, of each of the two cavities is provided with a slide hole, the two slide holes are communicated with the water inlet groove, and the clamping columns are connected with the corresponding slide holes in a sliding mode.
Preferably, the outer side of the screw rod is fixedly sleeved with a bearing, and the outer ring of the bearing is welded with the inner wall of one side of the corresponding through hole, which is close to the water inlet tank.
Preferably, the springs are welded on one sides, far away from each other, of the two clamping columns, and one ends, far away from each other, of the two springs are welded on one sides, close to each other, of the two sliding plates respectively.
Preferably, the welding has same gag lever post on the both sides inner wall of cavity, and two slides all are located between two gag lever posts, and the outside slidable mounting of gag lever post has the limiting plate, and one side that two limiting plates are close to each other welds with one side that two slides kept away from each other respectively mutually.
Preferably, a sealing ring is fixedly mounted on the inner wall of one side, away from the opening of the water inlet tank, and the sealing ring is matched with the clamping ring.
Preferably, the installation pipe is provided with a threaded hole, and the screw rod is in threaded connection with the corresponding threaded hole.
Preferably, a rotating shaft is rotatably mounted on one side, away from the winding shaft, of the second gear, and one end, away from the second gear, of the rotating shaft is welded to the inner wall of the other side of the corresponding rotating hole.
Compared with the prior art, the invention has the beneficial effects that:
(1) when the clamping ring is not installed on the condenser body, the clamping column is separated from the clamping groove, the clamping ring is separated from the water inlet groove, when the clamping ring is required to be installed on the condenser body, the stepping motor is started, an output shaft of the stepping motor drives the transmission gear to rotate, the clamping column can be retracted into the corresponding sliding hole, the stepping motor is closed, the clamping ring is slid into the water inlet groove, the clamping groove and the clamping column are positioned on the same vertical axis, the stepping motor is started, the stepping motor drives the transmission gear to rotate in the opposite direction, the clamping column is clamped into the corresponding clamping groove, and the position of the clamping ring is fixed;
(2) the sealing device comprises a condenser body, a screw rod, a first gear, an installation pipe, a limiting rod, a limiting plate, a bearing and a sliding hole which are matched, a stepping motor is closed, a push rod motor is started, an output shaft of the push rod motor drives the stepping motor to move, so that a transmission gear moves to be meshed with the corresponding first gear, the push rod motor is closed, the stepping motor is started, an output shaft of the stepping motor drives the transmission gear to rotate, the transmission gear drives the screw rod to rotate through the first gear, the installation pipe is driven to move when the screw rod rotates, the installation pipe drives a sleeve pipe to move, the sleeve pipe drives a snap ring to move through a clamping column, so that the snap ring is in contact with and tightly attached to a sealing ring, the sealing performance between the snap ring and the condenser body is improved, the quick installation of a water inlet pipe is, the accident of liquid leakage between the condenser body and the water inlet pipe can be prevented.
The condenser is simple in structure and high in practicability, the water inlet pipe can be quickly installed on the condenser body, the sealing performance between the water inlet pipe and the condenser body can be guaranteed, the liquid leakage phenomenon is prevented, and the condenser is beneficial to use of people.
Drawings
FIG. 1 is a schematic diagram of a recycle column condenser according to the present invention;
FIG. 2 is a schematic cross-sectional view of part A of a condenser of a recycle column according to the present invention;
FIG. 3 is a schematic cross-sectional view of a portion B of a condenser of a recycle column according to the present invention;
FIG. 4 is a schematic cross-sectional view of a portion C of a condenser of a recycle column according to the present invention;
fig. 5 is a schematic cross-sectional view of a portion D of a condenser of a recycle column according to the present invention.
In the figure: the condenser comprises a condenser body 1, a water inlet groove 2, a snap ring 3, a water inlet pipe 4, a cavity 5, a sealing ring 6, a sliding plate 7, a connecting rod 8, a sleeve 9, a clamping column 10, a clamping groove 11, a through hole 12, a lead screw 13, a first gear 14, an installation pipe 15, a rotating hole 16, a winding shaft 17, a second gear 18, a transmission gear 19, a push rod motor 20, a stepping motor 21, a wire drawing 22, a spring 23, a limiting rod 24, a limiting plate 25, a bearing 26 and a sliding hole 27.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Examples
Referring to fig. 1-5, the embodiment provides a condenser for a recycling tower, which includes a condenser body 1, a water inlet groove 2 is disposed on one side of the condenser body 1, a snap ring 3 is slidably mounted in the water inlet groove 2, a water inlet pipe 4 is fixedly mounted on the inner side of the snap ring 3, two symmetrically disposed cavities 5 are disposed on the condenser body 1, the water inlet groove 2 is located between the two cavities 5, a sliding plate 7 is slidably mounted in the cavity 5, a connecting rod 8 is welded on one side of the sliding plate 7 close to the water inlet groove 2, a sleeve 9 is welded on one side of the connecting rod 8 close to the water inlet groove 2, a clamping column 10 is slidably mounted on the inner side of the sleeve 9, two symmetrically disposed clamping grooves 11 are disposed on the outer side of the snap ring 3, the clamping column 10 is clamped with the corresponding clamping groove 11, a through hole 12 is disposed on the inner wall of one, a first gear 14 is fixedly sleeved on the outer side of the screw rod 13, the first gear 14 is positioned on one side of the mounting pipe 15 far away from the sleeve 9, one end of the mounting pipe 15 far away from the first gear 14 is welded with one side of the corresponding sleeve 9 close to the first gear 14, a rotating hole 16 is formed in the top of the sliding plate 7, a winding shaft 17 is rotatably installed on the inner wall of one side of the rotating hole 16, a second gear 18 is welded at one end of the winding shaft 17, a drawn wire 22 is wound and fixed on the outer side of the winding shaft 17, one end of the drawn wire 22 far away from the winding shaft 17 is fixedly connected with one side of the corresponding clamping column 10 far away from the water inlet tank 2, a push rod motor 20 is fixedly installed on the inner wall of one side of the through hole 12, a stepping motor 21 is fixedly installed on an output shaft of the push rod motor 20, a transmission gear 19 is welded on the output shaft of the stepping motor 21, the transmission gear 19, the first gear 14 is matched with a corresponding transmission gear 19, under the matching of a water inlet groove 2, a clamping ring 3, a water inlet pipe 4, a cavity 5, a sealing ring 6, a sliding plate 7, a connecting rod 8, a sleeve 9, a clamping column 10, a clamping groove 11, a through hole 12, a rotating hole 16, a winding shaft 17, a second gear 18, the transmission gear 19, a push rod motor 20, a stepping motor 21, a wire drawing 22 and a spring 23, when the clamping ring 3 is not installed on the condenser body 1, the clamping column 10 is separated from the clamping groove 11, the clamping ring 3 is separated from the water inlet groove 2, when the clamping ring 3 needs to be installed on the condenser body 1, the stepping motor 21 is started, an output shaft of the stepping motor 21 drives the transmission gear 19 to rotate, the clamping column 10 can be retracted into the corresponding sliding hole 27, the stepping motor 21 is closed, the clamping ring 3 is slid into the water inlet groove 2, the clamping groove 11 and the clamping column 10 are located, the stepping motor 21 drives the transmission gear 19 to rotate in the opposite direction, and the clamping column 10 is clamped into the corresponding clamping groove 11 to fix the position of the clamping ring 3; under the matching of the condenser body 1, the screw rod 13, the first gear 14, the mounting tube 15, the limiting rod 24, the limiting plate 25, the bearing 26 and the sliding hole 27, the stepping motor 21 is closed, the push rod motor 20 is started, the output shaft of the push rod motor 20 drives the stepping motor 21 to move, so that the transmission gear 19 moves to be meshed with the corresponding first gear 14, the push rod motor 20 is closed, the stepping motor 21 is started, the output shaft of the stepping motor 21 drives the transmission gear 19 to rotate, the transmission gear 19 drives the screw rod 13 to rotate through the first gear 14, the screw rod 13 drives the mounting tube 15 to move when rotating, the mounting tube 15 drives the sleeve 9 to move, the sleeve 9 drives the snap ring 3 to move through the snap ring 10, so that the snap ring 3 is in contact with and tightly attached to the sealing ring 6, the sealing performance between the snap ring 3 and the condenser body 1 is improved, and the quick mounting of, the condenser is simple in structure and high in practicability, the water inlet pipe 4 can be rapidly installed on the condenser body 1, the sealing performance between the water inlet pipe 4 and the condenser body 1 can be guaranteed, the liquid leakage phenomenon can be prevented, and the condenser is beneficial to use of people.
In the embodiment, the inner walls of the two cavities 5 close to each other are respectively provided with a sliding hole 27, the two sliding holes 27 are both communicated with the water inlet groove 2, the clamping columns 10 are connected with the corresponding sliding holes 27 in a sliding manner, the outer side of the screw rod 13 is fixedly sleeved with a bearing 26, the outer ring of the bearing 26 is welded with the inner wall of the corresponding through hole 12 close to the water inlet groove 2, the sides of the two clamping columns 10 far away from each other are respectively welded with a spring 23, the ends of the two springs 23 far away from each other are respectively welded with the sides of the two sliding plates 7 close to each other, the inner walls of the two sides of the cavity 5 are welded with the same limiting rod 24, the two sliding plates 7 are respectively positioned between the two limiting rods 24, the outer sides of the limiting rods 24 are slidably provided with a limiting plate 25, the sides of the two limiting plates 25 close to each other are respectively welded with the sides of the two sliding plates, the sealing ring 6 is matched with the clamping ring 3, the mounting pipe 15 is provided with a threaded hole, the screw rod 13 is in threaded connection with the corresponding threaded hole, one side of the second gear 18, which is far away from the winding shaft 17, is rotatably provided with a rotating shaft, one end of the rotating shaft, which is far away from the second gear 18, is welded with the inner wall of the other side of the corresponding rotating hole 16, under the matching of the water inlet groove 2, the clamping ring 3, the water inlet pipe 4, the cavity 5, the sealing ring 6, the sliding plate 7, the connecting rod 8, the sleeve 9, the clamping column 10, the clamping groove 11, the through hole 12, the rotating hole 16, the winding shaft 17, the second gear 18, the transmission gear 19, the push rod motor 20, the stepping motor 21, the drawn wire 22 and the spring 23, when the clamping ring 3 is not mounted on the condenser body 1, the clamping column 10 is separated from the clamping groove 11, the clamping ring 3 is separated from the water, the clamping columns 10 can be retracted into the corresponding sliding holes 27, the stepping motor 21 is turned off, the clamping rings 3 slide into the water inlet grooves 2, the clamping grooves 11 and the clamping columns 10 are located on the same vertical axis, the stepping motor 21 is started, the stepping motor 21 drives the transmission gears 19 to rotate in the opposite direction, the clamping columns 10 are clamped into the corresponding clamping grooves 11, and the positions of the clamping rings 3 are fixed; under the matching of the condenser body 1, the screw rod 13, the first gear 14, the mounting tube 15, the limiting rod 24, the limiting plate 25, the bearing 26 and the sliding hole 27, the stepping motor 21 is closed, the push rod motor 20 is started, the output shaft of the push rod motor 20 drives the stepping motor 21 to move, so that the transmission gear 19 moves to be meshed with the corresponding first gear 14, the push rod motor 20 is closed, the stepping motor 21 is started, the output shaft of the stepping motor 21 drives the transmission gear 19 to rotate, the transmission gear 19 drives the screw rod 13 to rotate through the first gear 14, the screw rod 13 drives the mounting tube 15 to move when rotating, the mounting tube 15 drives the sleeve 9 to move, the sleeve 9 drives the snap ring 3 to move through the snap ring 10, so that the snap ring 3 is in contact with and tightly attached to the sealing ring 6, the sealing performance between the snap ring 3 and the condenser body 1 is improved, and the quick mounting of, the condenser is simple in structure and high in practicability, the water inlet pipe 4 can be rapidly installed on the condenser body 1, the sealing performance between the water inlet pipe 4 and the condenser body 1 can be guaranteed, the liquid leakage phenomenon can be prevented, and the condenser is beneficial to use of people.
In this embodiment, when the snap ring 3 is not mounted on the condenser body 1, the snap ring 10 is separated from the snap groove 11, and the snap ring 3 is separated from the water inlet tank 2, when the snap ring 3 needs to be mounted on the condenser body 1, the stepping motor 21 is started, the output shaft of the stepping motor 21 drives the transmission gear 19 to rotate, the transmission gear 19 drives the winding shaft 17 to rotate through the second gear 18, the winding shaft 17 drives the snap ring 10 to slide in the sleeve 9 through the wire drawing 22, the snap ring 10 extrudes the spring 23, so that the snap ring 10 slides into the corresponding sliding hole 27, at this time, the stepping motor 21 is turned off, the snap ring 3 slides into the water inlet tank 2, the snap groove 11 and the snap ring 10 are on the same vertical axis, the stepping motor 21 is started, the stepping motor 21 drives the transmission gear 19 to rotate in the opposite direction, at this time, the wire drawing shaft 17 discharges the wire drawing 22, the spring 23 pushes the snap, until the clamping column 10 is clamped into the corresponding clamping groove 11, the position of the clamping ring 3 can be fixed, the stepping motor 21 is closed, the push rod motor 20 is started, the output shaft of the push rod motor 20 drives the stepping motor 21 to move, the output shaft of the stepping motor 21 drives the transmission gear 19 to move, the transmission gear 19 is moved to be meshed with the corresponding first gear 14, the push rod motor 20 is closed, the stepping motor 21 is started, the output shaft of the stepping motor 21 drives the transmission gear 19 to rotate, the transmission gear 19 drives the screw rod 13 to rotate through the first gear 14, the screw rod 13 rotates through the bearing 26, as the screw rod 13 is in threaded connection with the installation pipe 15, the installation pipe 15 drives the installation pipe 15 to move when the screw rod 13 rotates, the sleeve pipe 15 drives the sleeve pipe 9 to move, the sleeve pipe 9 drives the sliding plate 7 to move through the connecting rod 8, and the sliding plate 7 drives the limiting plate 25, sleeve pipe 9 drives snap ring 3 through card post 10 and removes for snap ring 3 and 6 contacts of sealing washer and closely laminate, thereby increased the leakproofness between snap ring 3 and the condenser body 1, realized inlet tube 4's quick installation, and can guarantee the leakproofness between inlet tube 4 and the condenser body 1, can prevent to take place the liquid leakage accident between condenser body 1 and the inlet tube 4.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A condenser of a recirculating tower comprises a condenser body (1) and is characterized in that one side of the condenser body (1) is provided with a water inlet groove (2), a snap ring (3) is arranged in the water inlet groove (2) in a sliding manner, a water inlet pipe (4) is fixedly arranged on the inner side of the snap ring (3), two symmetrically arranged cavities (5) are arranged on the condenser body (1), the water inlet groove (2) is positioned between the two cavities (5), a sliding plate (7) is arranged in the cavities (5) in a sliding manner, one side of the sliding plate (7) close to the water inlet groove (2) is welded with a connecting rod (8), one side of the connecting rod (8) close to the water inlet groove (2) is welded with a sleeve (9), the inner side of the sleeve (9) is provided with a clamping column (10) in a sliding manner, the outer side of the snap ring (3) is provided with two, a through hole (12) is formed in the inner wall of one side of the cavity (5), a lead screw (13) is installed in the through hole (12) in a rotating mode, an installation pipe (15) is installed on the outer side of the lead screw (13) in a threaded mode, a first gear (14) is fixedly sleeved on the outer side of the lead screw (13), the first gear (14) is located on one side, far away from the sleeve (9), of the installation pipe (15), one end, far away from the first gear (14), of the installation pipe (15) is welded with one side, close to the first gear (14), of the corresponding sleeve (9), a rotating hole (16) is formed in the top of the sliding plate (7), a winding shaft (17) is installed on the inner wall of one side of the rotating hole (16) in a rotating mode, a second gear (18) is welded at one end of the winding shaft (17), a drawing wire (22) is wound and fixed on the outer side of the winding shaft (17), one end, far away from the winding, a push rod motor (20) is fixedly installed on the inner wall of one side of the through hole (12), a stepping motor (21) is fixedly installed on an output shaft of the push rod motor (20), a transmission gear (19) is welded on the output shaft of the stepping motor (21), the transmission gear (19) is meshed with a corresponding second gear (18), the two first gears (14) are both located between the two transmission gears (19), and the first gears (14) are matched with the corresponding transmission gears (19); slide holes (27) are formed in the inner wall of one side, close to each other, of the two cavities (5), the two slide holes (27) are communicated with the water inlet groove (2), and the clamping columns (10) are connected with the corresponding slide holes (27) in a sliding mode.
2. The condenser of the recycling tower as recited in claim 1, wherein the outside of the screw rod (13) is fixedly sleeved with a bearing (26), and the outer ring of the bearing (26) is welded with the inner wall of one side of the corresponding through hole (12) close to the water inlet tank (2).
3. A condenser for a recirculation tower according to claim 1, characterized in that the springs (23) are welded to the sides of the two clamping columns (10) which are far away from each other, and the ends of the two springs (23) which are far away from each other are welded to the sides of the two sliding plates (7) which are close to each other.
4. A condenser for a recirculation tower according to claim 1, characterized in that the same limiting rod (24) is welded on the inner walls of the two sides of the cavity (5), the two sliding plates (7) are both located between the two limiting rods (24), a limiting plate (25) is slidably mounted on the outer side of the limiting rod (24), and one side of the two limiting plates (25) close to each other is welded with one side of the two sliding plates (7) away from each other.
5. The condenser of the recycling tower as claimed in claim 1, wherein a sealing ring (6) is fixedly arranged on the inner wall of one side of the water inlet groove (2) far away from the opening of the water inlet groove (2), and the sealing ring (6) is matched with the clamping ring (3).
6. A condenser for a recirculation tower according to claim 1, characterized in that the mounting tube (15) is provided with threaded holes and the screw rod (13) is screwed into corresponding threaded holes.
7. A condenser as claimed in claim 1, wherein the second gear (18) is rotatably mounted with a rotating shaft at a side thereof remote from the bobbin (17), and one end of the rotating shaft remote from the second gear (18) is welded to the inner wall of the other side of the corresponding rotating hole (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810053001.0A CN108387114B (en) | 2018-01-19 | 2018-01-19 | Condenser of recirculating tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810053001.0A CN108387114B (en) | 2018-01-19 | 2018-01-19 | Condenser of recirculating tower |
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| CN108387114A CN108387114A (en) | 2018-08-10 |
| CN108387114B true CN108387114B (en) | 2020-01-24 |
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| CN112178987A (en) * | 2020-10-12 | 2021-01-05 | 滁州众科电器有限公司 | Condenser convenient to assemble based on production of household appliance accessories is used |
| CN112944937B (en) * | 2021-02-23 | 2022-06-03 | 江苏力沛电力工程技术服务有限公司 | Condenser of no-water low-heat-emission circulating water system of thermal power plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB0402206D0 (en) * | 2004-02-02 | 2004-03-03 | Eaton Corp | Method and structure for retaining a tube |
| JP2010106911A (en) * | 2008-10-29 | 2010-05-13 | Aisan Ind Co Ltd | Piping joint |
| CN101403583B (en) * | 2008-11-25 | 2011-06-08 | 湖南大学 | Sealing mechanism for joint portion of condenser intelligent movable cleaning robot |
| FR2950949B1 (en) * | 2009-10-01 | 2012-06-22 | Staubli Sa Ets | RAPID COUPLING FEMALE ELEMENT AND RAPID CONNECTION INCORPORATING SUCH A MEMBER |
| JP2015081609A (en) * | 2013-10-21 | 2015-04-27 | 株式会社ケーヒン・サーマル・テクノロジー | Joint device |
| CN104696637B (en) * | 2014-12-30 | 2018-06-19 | 芜湖市金宇石化设备有限公司 | A kind of controllable type oil filling riser steering knuckle |
| CN205278571U (en) * | 2015-12-31 | 2016-06-01 | 北京金风科创风电设备有限公司 | Via hole seal structure |
| CN205938209U (en) * | 2016-08-03 | 2017-02-08 | 刘坚 | Motor casing's condenser tube connecting device |
| CN106609890A (en) * | 2017-01-11 | 2017-05-03 | 绍兴市万兆制冷设备有限公司 | Automatic-adjusting rapid connector assembly |
| CN107270002B (en) * | 2017-07-10 | 2023-04-14 | 三一汽车制造有限公司 | Hydraulic connector, quick-change connecting device and forcible entry fire truck |
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