CN111673676A - Pin pulling device and method for spring positioning pin on hanger of hot conveying pipeline - Google Patents
Pin pulling device and method for spring positioning pin on hanger of hot conveying pipeline Download PDFInfo
- Publication number
- CN111673676A CN111673676A CN202010646960.0A CN202010646960A CN111673676A CN 111673676 A CN111673676 A CN 111673676A CN 202010646960 A CN202010646960 A CN 202010646960A CN 111673676 A CN111673676 A CN 111673676A
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- spring
- oil cylinder
- hydraulic oil
- pair
- positioning pin
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Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000010720 hydraulic oil Substances 0.000 claims description 50
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
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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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
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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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
- F16L3/11—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing and hanging from a pendant
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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
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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
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/035—Noise absorbers in the form of specially adapted hangers or supports
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a pin pulling device and a pin pulling method for a spring positioning pin on a hanger of a heat conveying pipeline, and solves the problem of how to simply and conveniently pull out the spring positioning pin on the spring hanger. An upper longitudinal connecting bolt (25) is arranged between the pair of upper end horizontal transverse inserting plates (15), and a lower longitudinal connecting bolt (26) is arranged between the pair of lower end horizontal transverse inserting plates (16); the whole pressing mechanism forms a stable rectangular frame, horizontal downward movement of a pressing plate (5) at the upper end of the spring is completed, and the hanger spring (4) is uniformly compressed; two hydraulic jacks are arranged on the lower bottom surface of the cylindrical spring shell through the turn buckle, the two hydraulic jacks are started, the turn buckle is pulled downwards by the output shafts extending downwards from every two hydraulic jacks, the pressing plate at the upper end of the spring descends, and the pressing plate is separated from the contact with the positioning pin, so that the purpose of conveniently taking out the positioning pin is achieved.
Description
Technical Field
The invention relates to a pin pulling device for a spring positioning pin, in particular to a pin pulling device and a pin pulling method for the spring positioning pin on a hanger of a heat delivery pipeline.
Background
For steam and hot water conveying pipelines of thermal power plants and chemical plants, in order to ensure that the pipelines expand when heated and reduce the stress of the pipelines, the pipelines are generally designed to be in the form of supporting hangers, and the supporting hangers are spring hangers; when being installed, a spring on the spring hanger is in a pre-tightening positioning state, the pre-tightening force of the spring is a certain pre-tightening force added according to the cold load of the hoisted pipeline, and the concrete realization is that a positioning pin is arranged on a cylinder body of a spring shell, and the spring is pre-pressed to the pre-tightening state through the positioning pin; after the hanger is installed, the positioning pin needs to be pulled out of the spring shell, the spring hanger is located at a high altitude, the pre-tightening spring generates upward thrust to the positioning pin, at least two persons are needed for on-site pin pulling operation, tools such as a sledge hammer, a crowbar and a wrench are carried for operation, and the problems of high manual operation strength and high operation safety risk exist.
Disclosure of Invention
The invention provides a pin pulling device and a pin pulling method for a spring positioning pin on a hanger of a heat conveying pipeline, and solves the technical problem of how to simply and conveniently pull out the spring positioning pin on the spring hanger.
The invention solves the technical problems by the following technical scheme:
the general concept of the invention is: two hydraulic jacks are arranged on the lower bottom surface of the cylindrical spring shell through the turn buckle, the two hydraulic jacks are started, the turn buckle is pulled downwards by the output shafts extending downwards from every two hydraulic jacks, the pressing plate at the upper end of the spring descends, and the pressing plate is separated from the contact with the positioning pin, so that the purpose of conveniently taking out the positioning pin is achieved.
A pin pulling device for a spring positioning pin on a hanger of a heat delivery pipeline comprises a root shaped steel beam, wherein a lifting lug is arranged on the root shaped steel beam, a cylindrical spring shell is hung and connected on the lifting lug, a hanger spring is arranged in the cylindrical spring shell, a central through hole is arranged in the center of a bottom plate of the cylindrical spring shell, a spring upper end pressing plate is connected at the top end of the hanger spring, a T-shaped pull rod is fixedly connected at the center of the spring upper end pressing plate, the T-shaped pull rod is arranged in a middle hole of the hanger spring, a basket bolt is screwed at the lower end of the T-shaped pull rod, the lower end of the basket bolt penetrates through the central through hole downwards and is arranged under the cylindrical spring shell, a lower hanging rod is connected at the lower end of the basket bolt, a hoop is connected at the lower end of the lower hanging rod, the heat delivery pipeline is arranged in the hoop, a positioning pin hole is arranged on the cylindrical spring shell, positioning pins are inserted in the positioning pin holes, a pressing plate at the upper end of the spring is abutted with the positioning pins, a pair of lower-end horizontal transverse inserting plates are inserted into the lower ends of the middle strip-shaped through holes of the turn buckle along the left-right horizontal direction, the left ends of the pair of lower-end horizontal transverse inserting plates are arranged in the two lower-end horizontal transverse inserting plate penetrating through holes on the left hydraulic cylinder output shaft, the left hydraulic cylinder output shaft is arranged on a left hydraulic cylinder body which outputs downwards by the output shaft, the left hydraulic cylinder body is fixedly arranged on the lower bottom surface of the left supporting cylindrical barrel, and the upper top surface of the left supporting cylindrical barrel is movably abutted to the lower bottom surface of the bottom plate of the; the right ends of the pair of lower end horizontal transverse inserting plates are arranged in two lower end horizontal transverse inserting plate cross-connecting through holes on a right hydraulic oil cylinder output shaft, the right hydraulic oil cylinder output shaft is arranged on a right hydraulic oil cylinder body outputting downwards by the output shaft, the right hydraulic oil cylinder body is fixedly arranged on the lower bottom surface of a right supporting cylindrical barrel, and the upper top surface of the right supporting cylindrical barrel is movably abutted on the lower bottom surface of a bottom plate of a cylindrical spring shell; the left supporting cylinder is provided with a pair of upper end horizontal inserting plate cross-connecting through holes, the right supporting cylinder is also provided with a pair of upper end horizontal inserting plate cross-connecting through holes, a pair of upper end horizontal inserting plate cross-connecting through holes arranged on the left supporting cylinder and a pair of upper end horizontal inserting plate cross-connecting through holes arranged on the right supporting cylinder are spliced with a pair of upper end horizontal inserting plates, and the middle parts of the pair of upper end horizontal inserting plates are spliced in the middle parts of the middle strip-shaped through holes of the turnbuckle.
An upper longitudinal connecting bolt is arranged between the pair of upper end horizontal inserting plates, and a lower longitudinal connecting bolt is arranged between the pair of lower end horizontal inserting plates.
A pin pulling method of a pin pulling device of a spring positioning pin on a hanger of a heat delivery pipeline comprises the following steps:
the method comprises the following steps that firstly, a left hydraulic oil cylinder and a right hydraulic oil cylinder are started simultaneously, the output shaft of the left hydraulic oil cylinder and the output shaft of the right hydraulic oil cylinder extend downwards simultaneously to drive a pair of lower end horizontal transverse insertion plates to move downwards, the lower ends of middle strip through holes of a turn buckle are pressed downwards in the middle of the pair of lower end horizontal transverse insertion plates to drive the turn buckle to move downwards, the turn buckle is moved to pass through a T-shaped pull rod, a pressing plate at the upper end of a spring moves downwards to further compress a hanger spring, and the pressing plate at the upper;
secondly, keeping the hydraulic pressure of the left hydraulic oil cylinder and the right hydraulic oil cylinder unchanged, and pulling out the positioning pin from the positioning pin hole;
and thirdly, after the hanger is rotated to enable the whole hanger to be in a stressed state, the left hydraulic oil cylinder and the right hydraulic oil cylinder are restored to an initial state, the pair of upper end horizontal transverse insertion plates and the pair of lower end horizontal transverse insertion plates are withdrawn from the middle strip-shaped through hole respectively, and then the left supporting cylindrical barrel, the left hydraulic oil cylinder body, the right supporting cylindrical barrel and the right hydraulic oil cylinder body are removed to finish the pin pulling work of the spring positioning pin.
The device solves the technical problem of spring pin pulling operation in a construction site, is convenient to carry in high-altitude operation, and has the advantages of short time consumption for pulling out the positioning pin, simple operation, safe detaching process and high working efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a structural schematic view of the mechanism of the lower turn buckle 10 of the present invention in a left side view direction.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a pin pulling device for a spring positioning pin on a heat delivery pipeline hanger comprises a root shaped steel beam 1, a lifting lug 2 is arranged on the root shaped steel beam 1, a barrel-shaped spring outer shell 3 is hung on the lifting lug 2, a hanger spring 4 is arranged in the barrel-shaped spring outer shell 3, a central through hole 6 is arranged in the center of a bottom plate of the barrel-shaped spring outer shell 3, a spring upper end pressing plate 5 is connected to the top end of the hanger spring 4, a T-shaped pull rod 9 is fixedly connected to the center of the spring upper end pressing plate 5, the T-shaped pull rod 9 is arranged in a middle hole of the hanger spring 4, a turnbuckle 10 is screwed at the lower end of the T-shaped pull rod 9, the lower end of the turnbuckle 10 downwards penetrates through the central through hole 6 and then is arranged under the barrel-shaped spring outer shell 3, a lower suspender 11 is connected to the lower end of the turnbuckle 10, a hoop 12 is connected to the lower end of the lower suspender 11, a heat, a positioning pin hole 7 is arranged on the cylindrical spring outer shell 3 above the spring upper end pressing plate 5, a positioning pin 8 is inserted in the positioning pin hole 7, the spring upper end pressing plate 5 and the positioning pin 7 are abutted together, a pair of lower end horizontal transverse insertion plates 16 are inserted at the lower ends of a middle strip through hole 14 of the turn buckle 10 along the left-right horizontal direction, the left ends of the pair of lower end horizontal transverse insertion plates 16 are arranged in two lower end horizontal transverse insertion plate penetrating through holes 21 on a left hydraulic oil cylinder output shaft 19, the left hydraulic oil cylinder output shaft 19 is arranged on a left hydraulic oil cylinder body 18 with the output shaft outputting downwards, the left hydraulic oil cylinder body 18 is fixedly arranged on the lower bottom surface of a left supporting cylindrical barrel 17, and the upper top surface of the left supporting cylindrical barrel 17 is movably abutted to the lower bottom plate of the bottom surface-shaped spring outer; the right ends of the pair of lower end horizontal transverse inserting plates 16 are arranged in two lower end horizontal transverse inserting plate cross-connecting through holes on a right hydraulic oil cylinder output shaft 24, the right hydraulic oil cylinder output shaft 24 is arranged on a right hydraulic oil cylinder body 23 outputting downwards from the output shaft, the right hydraulic oil cylinder body 23 is fixedly arranged on the lower bottom surface of a right supporting cylindrical barrel 22, and the upper top surface of the right supporting cylindrical barrel 22 is movably abutted on the lower bottom surface of a bottom plate of the cylindrical spring outer shell 3; a pair of upper end horizontal inserting plate cross-connecting through holes 20 are formed in the left supporting cylindrical barrel 17, a pair of upper end horizontal inserting plate cross-connecting through holes are also formed in the right supporting cylindrical barrel 22, a pair of upper end horizontal inserting plates 15 are inserted between the pair of upper end horizontal inserting plate cross-connecting through holes 20 formed in the left supporting cylindrical barrel 17 and the pair of upper end horizontal inserting plate cross-connecting through holes formed in the right supporting cylindrical barrel 22, and the middle parts of the pair of upper end horizontal inserting plates 15 are inserted in the middle parts of the strip-shaped through holes 14 in the middle of the turnbuckle 10.
An upper longitudinal connecting bolt 25 is arranged between the pair of upper end horizontal transverse inserting plates 15, and a lower longitudinal connecting bolt 26 is arranged between the pair of lower end horizontal transverse inserting plates 16; the whole pressing mechanism forms a stable rectangular frame, horizontal downward movement of the pressing plate 5 at the upper end of the spring is completed, and the hanger spring 4 is uniformly compressed.
A pin pulling method of a pin pulling device of a spring positioning pin on a hanger of a heat delivery pipeline comprises the following steps:
firstly, a left hydraulic oil cylinder and a right hydraulic oil cylinder are started simultaneously, a left hydraulic oil cylinder output shaft (19) and a right hydraulic oil cylinder output shaft 24 extend downwards simultaneously to drive a pair of lower end horizontal transverse insertion plates 16 to move downwards, the lower ends of middle strip through holes 14 of a turnbuckle 10 are pressed downwards in the middle of the pair of lower end horizontal transverse insertion plates 16 to drive the turnbuckle 10 to move downwards, the turnbuckle 10 is moved to further compress a hanger spring 4 through a T-shaped pull rod 9, and the spring upper end pressing plate 5 is separated from a positioning pin 8;
secondly, keeping the hydraulic pressure of the left hydraulic oil cylinder and the right hydraulic oil cylinder unchanged, and pulling the positioning pin 8 out of the positioning pin hole 7;
and thirdly, after the hanger is in a stressed state by rotating the hanger rod 11, the left hydraulic oil cylinder and the right hydraulic oil cylinder are restored to an initial state, the pair of upper end horizontal transverse inserting plates 15 and the pair of lower end horizontal transverse inserting plates 16 are respectively withdrawn from the middle long through hole 14, and then the left supporting cylindrical barrel 17, the left hydraulic oil cylinder body 18, the right supporting cylindrical barrel 22 and the right hydraulic oil cylinder body 23 are removed, so that the pin pulling work of the spring positioning pin is completed.
Claims (3)
1. A pin pulling device for a spring positioning pin on a hanger of a heat delivery pipeline comprises a root-shaped steel beam (1), wherein a lifting lug (2) is arranged on the root-shaped steel beam (1), a barrel-shaped spring outer shell (3) is hung and connected on the lifting lug (2), a hanger spring (4) is arranged in the barrel-shaped spring outer shell (3), a central through hole (6) is arranged in the center of a bottom plate of the barrel-shaped spring outer shell (3), a spring upper end pressing plate (5) is connected to the top end of the hanger spring (4), a T-shaped pull rod (9) is fixedly connected to the center of the spring upper end pressing plate (5), the T-shaped pull rod (9) is arranged in a middle hole of the hanger spring (4), a turnbuckle (10) is screwed at the lower end of the T-shaped pull rod (9), and the lower end of the turnbuckle (10) is arranged under the barrel-shaped spring outer shell (3) after downwards passing through the central, the lower end of a turnbuckle (10) is connected with a lower suspender (11), the lower end of the lower suspender (11) is connected with a hoop (12), a heat delivery pipeline (13) is arranged in the hoop (12), a positioning pin hole (7) is arranged on a cylindrical spring outer shell (3) above a spring upper end pressing plate (5), a positioning pin (8) is inserted in the positioning pin hole (7), the spring upper end pressing plate (5) and the positioning pin (7) are butted together, the turnbuckle is characterized in that the lower end of a middle strip through hole (14) of the turnbuckle (10) is inserted with a pair of lower end horizontal transverse inserting plates (16) along the left-right horizontal direction, the left end of the pair of lower end horizontal transverse inserting plates (16) is arranged in two lower end horizontal inserting plate penetrating through holes (21) on a left hydraulic oil cylinder output shaft (19), the left hydraulic oil cylinder output shaft (19) is arranged on a left hydraulic oil cylinder body (18) with the downward output shaft, a left hydraulic oil cylinder body (18) is fixedly arranged on the lower bottom surface of the left supporting cylindrical barrel (17), and the upper top surface of the left supporting cylindrical barrel (17) is movably abutted on the lower bottom surface of the bottom plate of the cylindrical spring outer shell (3); the right ends of a pair of lower end horizontal transverse inserting plates (16) are arranged in two lower end horizontal transverse inserting plate cross-connecting through holes on a right hydraulic oil cylinder output shaft (24), the right hydraulic oil cylinder output shaft (24) is arranged on a right hydraulic oil cylinder body (23) which outputs downwards from the output shaft, the right hydraulic oil cylinder body (23) is fixedly arranged on the lower bottom surface of a right supporting cylindrical barrel (22), and the upper top surface of the right supporting cylindrical barrel (22) is movably abutted to the lower bottom surface of a bottom plate of a cylindrical spring outer shell (3); a pair of upper end horizontal inserting plate cross-connecting through holes (20) are formed in the left supporting cylindrical barrel (17), a pair of upper end horizontal inserting plate cross-connecting through holes are also formed in the right supporting cylindrical barrel (22), a pair of upper end horizontal inserting plate cross-connecting through holes (15) are inserted between the pair of upper end horizontal inserting plate cross-connecting through holes (20) formed in the left supporting cylindrical barrel (17) and the pair of upper end horizontal inserting plate cross-connecting through holes formed in the right supporting cylindrical barrel (22), and the middle portions of the pair of upper end horizontal inserting plates (15) are inserted in the middle portions of the middle strip-shaped through holes (14) of the turnbuckle (10).
2. The pin removing device for a spring-loaded pin on a hanger for hot-transfer pipes according to claim 1, wherein an upper longitudinal connecting bolt (25) is provided between a pair of upper horizontal insert plates (15), and a lower longitudinal connecting bolt (26) is provided between a pair of lower horizontal insert plates (16).
3. The pin pulling method of the pin pulling device for the spring positioning pin on the hot conveying pipeline hanger as claimed in claim 1, comprising the following steps:
firstly, a left hydraulic oil cylinder and a right hydraulic oil cylinder are started simultaneously, a left hydraulic oil cylinder output shaft (19) and a right hydraulic oil cylinder output shaft (24) extend downwards simultaneously to drive a pair of lower end horizontal transverse insertion plates (16) to move downwards, the lower ends of middle strip through holes (14) of a flower basket bolt (10) are pressed below the middle part of the pair of lower end horizontal transverse insertion plates (16) to drive the flower basket bolt (10) to move downwards, the flower basket bolt (10) is moved to pass through a T-shaped pull rod (9), a spring upper end pressing plate (5) is moved downwards to further compress a hanger spring (4), and the spring upper end pressing plate (5) is separated from a positioning pin (8);
secondly, keeping the hydraulic pressure of the left hydraulic oil cylinder and the right hydraulic oil cylinder unchanged, and pulling out the positioning pin (8) from the positioning pin hole (7);
and thirdly, after the hanger is in a stressed state by rotating the hanger rod (11), the left hydraulic oil cylinder and the right hydraulic oil cylinder are restored to an initial state, the pair of upper end horizontal transverse inserting plates (15) and the pair of lower end horizontal transverse inserting plates (16) are withdrawn from the middle long through hole (14), and then the left supporting cylindrical barrel (17), the left hydraulic oil cylinder body (18), the right supporting cylindrical barrel (22) and the right hydraulic oil cylinder body (23) are removed, so that the pin pulling work of the spring positioning pin is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010646960.0A CN111673676B (en) | 2020-07-07 | 2020-07-07 | Pin pulling device and method for spring positioning pin on heat conveying pipeline hanging bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010646960.0A CN111673676B (en) | 2020-07-07 | 2020-07-07 | Pin pulling device and method for spring positioning pin on heat conveying pipeline hanging bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111673676A true CN111673676A (en) | 2020-09-18 |
| CN111673676B CN111673676B (en) | 2023-12-26 |
Family
ID=72457321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010646960.0A Active CN111673676B (en) | 2020-07-07 | 2020-07-07 | Pin pulling device and method for spring positioning pin on heat conveying pipeline hanging bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111673676B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100264278A1 (en) * | 2009-04-14 | 2010-10-21 | Gardner Michael J | Conduit hanger |
| CN103322321A (en) * | 2013-06-27 | 2013-09-25 | 江苏博格东进管道设备有限公司 | Guide limiting structure of variable-spring support hanger |
| US20150300022A1 (en) * | 2013-12-20 | 2015-10-22 | Xinmin Wang | Tapered Sleeve Locking Type Reinforcing Bar Connecting Joint and its Mounting Tool |
| US20160303718A1 (en) * | 2015-04-20 | 2016-10-20 | GM Global Technology Operations LLC | Hose clamp support tool |
| CN207112114U (en) * | 2017-08-30 | 2018-03-16 | 江苏友恒机械有限公司 | A kind of variable-force spring hanger that two-way can be used |
| CN207394130U (en) * | 2017-09-26 | 2018-05-22 | 扬中市传盛支吊架有限公司 | A kind of pipeline spring support hanging frame |
| CN208793806U (en) * | 2018-09-05 | 2019-04-26 | 博耕管道支架(上海)有限公司 | A kind of variable spring support hanging frame |
| CN210830782U (en) * | 2019-10-18 | 2020-06-23 | 江苏奇力锅炉有限公司 | Make things convenient for variable spring gallows of dismouting |
| CN212683822U (en) * | 2020-07-07 | 2021-03-12 | 中国能源建设集团山西电力建设有限公司 | Pin pulling device for spring positioning pin on hanger of hot conveying pipeline |
-
2020
- 2020-07-07 CN CN202010646960.0A patent/CN111673676B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100264278A1 (en) * | 2009-04-14 | 2010-10-21 | Gardner Michael J | Conduit hanger |
| CN103322321A (en) * | 2013-06-27 | 2013-09-25 | 江苏博格东进管道设备有限公司 | Guide limiting structure of variable-spring support hanger |
| US20150300022A1 (en) * | 2013-12-20 | 2015-10-22 | Xinmin Wang | Tapered Sleeve Locking Type Reinforcing Bar Connecting Joint and its Mounting Tool |
| US20160303718A1 (en) * | 2015-04-20 | 2016-10-20 | GM Global Technology Operations LLC | Hose clamp support tool |
| CN207112114U (en) * | 2017-08-30 | 2018-03-16 | 江苏友恒机械有限公司 | A kind of variable-force spring hanger that two-way can be used |
| CN207394130U (en) * | 2017-09-26 | 2018-05-22 | 扬中市传盛支吊架有限公司 | A kind of pipeline spring support hanging frame |
| CN208793806U (en) * | 2018-09-05 | 2019-04-26 | 博耕管道支架(上海)有限公司 | A kind of variable spring support hanging frame |
| CN210830782U (en) * | 2019-10-18 | 2020-06-23 | 江苏奇力锅炉有限公司 | Make things convenient for variable spring gallows of dismouting |
| CN212683822U (en) * | 2020-07-07 | 2021-03-12 | 中国能源建设集团山西电力建设有限公司 | Pin pulling device for spring positioning pin on hanger of hot conveying pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111673676B (en) | 2023-12-26 |
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