CN111962821B - Automatic centering and inverting method for vertical shaft pipeline - Google Patents
Automatic centering and inverting method for vertical shaft pipeline Download PDFInfo
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- CN111962821B CN111962821B CN202010660502.2A CN202010660502A CN111962821B CN 111962821 B CN111962821 B CN 111962821B CN 202010660502 A CN202010660502 A CN 202010660502A CN 111962821 B CN111962821 B CN 111962821B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
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Abstract
The invention discloses an automatic centering and upside-down mounting method for a shaft pipeline, which is characterized in that a steel pipe to be mounted can be very simply and conveniently directly lifted and automatically centered with an installed pipeline in a penetrating and winding mode in a steel wire rope pipe, then welding and fixing can be realized, and by arranging a lifting lug plate and a guide groove, a lifting hole and a guide ring are arranged on the lifting lug plate, so that the problems of abrasion and rolling of an auxiliary lifting steel wire rope in the original construction method are solved, the operation is simple and convenient, the safety and the reliability are realized, the labor force is saved, the labor intensity is obviously reduced, the mounting progress is greatly accelerated, and the effects of safety, economy, high efficiency and simplicity are realized. The invention is used in the field of building construction.
Description
Technical Field
The invention relates to the field of building construction, in particular to a vertical shaft pipeline automatic centering and inverted installation method.
Background
The traditional inverted installation method for the vertical shaft pipeline installation adopts a main winch and an auxiliary winch for hoisting, wherein the main winch is responsible for hoisting the welded pipeline, and the auxiliary winch is responsible for hoisting the segmented steel pipe to be installed. The method has the following problems: the segmented steel pipe is hoisted by welding the lifting lugs, and after the segmented steel pipe is hoisted in place, the segmented steel pipe can be accurately butted with the welded steel pipe section only by matching with at least one chain block, so that the steel pipe verticality and the butt joint port are difficult to adjust; after the positioning, the steel plate is fixed by spot welding through a horse board. According to the traditional flip-chip method, the chain block for adjustment is added from the binding of the hanging knots of the segmented steel pipes to the in-place state, the verticality of the steel pipes can be adjusted only by repeatedly adjusting the auxiliary winch and the chain block, and finally the segmented steel pipes to be installed are subjected to spot welding by using the horse block.
Chinese patent application No. 2009102142167 discloses an automatic centering and upside-down mounting method for a shaft pipe, which has the following problems in the application process. When a pipeline sleeve in the vertical shaft is pre-buried, the main hoisting point is arranged on the outer side, and the pipeline cannot pass through the sleeve; the friction of central limiting plate and vice wire rope of hanging causes vice wire rope wearing and tearing of hanging, and when the steel pipe external diameter is different, need set up different automatic alignment pipe clamp, when great diameter pipeline butt joint, the operation is not convenient moreover, and the segmentation steel pipe is placed on the load dolly when ground horizontal translation is right, is difficult to spacing, can take place the phenomenon of rolling occasionally.
Disclosure of Invention
The invention aims to provide an automatic centering and inverting method for a vertical shaft pipeline.
The technical scheme adopted by the invention is as follows:
a vertical shaft pipeline automatic centering and inverted installation method comprises the following steps:
s1: selecting specification models of a main winch and an auxiliary winch according to the structure of the building, the weight and the length of the vertical shaft pipeline and the weight of the separately installed sectional pipes;
s2: according to the specification and model of a pipeline and the specification of a steel wire rope of an auxiliary winch, a lifting lug plate, an automatic centering lifting clamp, an automatic centering pipe clamp and a guide groove are manufactured, wherein a lifting hole and a guide ring are formed in the lifting lug plate, the guide ring is fixed in the middle of the lifting lug plate and used for centering and guiding the steel wire rope of the auxiliary winch, the lifting lug plate is fixed at the upper opening of a first subsection pipe, and the guide groove is fixed on the ground;
s3: transporting the first segmented pipe to the side of the vertical shaft and placing the first segmented pipe in a guide groove, connecting a steel wire rope of a main winch with a lifting lug plate to hoist the first segmented pipe, adding 1m to the segmented length of the steel pipe at the distance from the lower opening position of the first segmented pipe to a hoisting operation surface, and horizontally transporting the second segmented pipe to the vertical shaft and placing the second segmented pipe in the guide groove;
s4: a steel wire rope of the auxiliary winch penetrates into the pipe from a guide ring of a lug plate at the top of the first sectional pipe, penetrates out from a lower opening of the first sectional pipe, penetrates into the pipe from an upper opening of the second sectional pipe together with the fixed automatic centering plate, and penetrates out from a lower opening of the second sectional pipe to be connected with an automatic centering hoisting clamp;
s5: starting the auxiliary winch, tensioning a steel wire rope of the auxiliary winch, hooking a lower opening of a second sectional pipe by an automatic centering hoisting clamp, gradually transitioning the second sectional pipe from a horizontal state to a vertical state along the guide groove, and automatically butting the first sectional pipe and the second sectional pipe along with the tightening of the steel wire rope of the auxiliary winch;
s6: clamping the first sectional pipe and the second sectional pipe by using an automatic centering pipe clamp, and keeping the verticality of the first sectional pipe and the second sectional pipe; then, spot welding and fixing the upper and lower segmental interfaces through welding windows on two sides of the automatic centering pipe clamp;
s7: dismantling the automatic centering pipe clamp, and welding the upper and lower subsection interfaces according to requirements;
s8: starting a main winch, tensioning a steel wire rope of the main winch, and lifting the welded first sectional pipe and the welded second sectional pipe upwards by a distance of one sectional length;
s9: and starting the auxiliary winch, repeating the steps from S3 to S8, installing the next sectional pipe, and repeating the steps until all the installation is finished.
The invention has the beneficial effects that: according to the automatic centering and inverted installation method for the shaft pipeline, the steel pipe to be installed can be very simply and conveniently directly lifted and automatically centered with the installed pipeline in a penetrating and winding mode in the steel wire rope pipe, then welding and fixing can be achieved, the lifting lug plates and the guide grooves are arranged, the lifting holes and the guide rings are arranged on the lifting lug plates, the problems that the auxiliary lifting steel wire rope is abraded and rolled in the original construction method are solved, the operation is simple and convenient, safety and reliability are achieved, labor force is saved, labor intensity is remarkably reduced, installation progress is greatly accelerated, and the effects of safety, economy, high efficiency and simplicity are achieved.
As a further improvement of the technical solution of the present invention, in step S2, the automatic centering and hoisting clamp is set to be three-claw shaped, and a hoisting hole is provided at the middle position of the automatic centering and hoisting clamp.
As a further improvement of the technical scheme of the invention, in step S2, the automatic centering pipe clamp includes a main structure, a screw, a sleeve shoe, a front limit angle steel and a rear limit angle steel, the main structure is C-shaped, the rear limit angle steel is installed at one end of the main structure, the screw is movably installed at the other end of the main structure, the sleeve shoe is installed at one end of the screw close to one side of the rear limit angle steel, the screw and the sleeve shoe form a freely rotatable ball hinge structure, and the front limit angle steel is fixed on the sleeve shoe.
As a further improvement of the technical scheme of the invention, the other end of the screw rod is provided with a handle.
As a further improvement of the technical solution of the present invention, in step S2, the guide groove includes a bottom plate, side limiting plates disposed on both sides of the bottom plate, and a sliding surface disposed on the bottom plate.
Further as an improvement of the technical scheme of the invention, the slip surface is a tetrafluoroethylene plate.
As a further improvement of the technical solution of the present invention, in step S2, the automatic centering plate is made of a circular steel plate with an outer diameter smaller than an inner diameter of the pipe, a hollow taper pin is disposed at a central position of the automatic centering plate, and the taper pin is uniformly split into three parts along the center.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic elevation view of a sectioned pipe to be installed being transported to a pipe well according to an embodiment of the invention;
FIG. 2 is a schematic view of a pipeline butt joint elevation waiting for completion of hoisting and welding of the installation of the segmented pipe according to the embodiment of the present invention;
FIG. 3 is a schematic view of a lug plate according to an embodiment of the present invention;
FIG. 4 is a schematic view of FIG. 3 taken in the direction 1-1;
FIG. 5 is a schematic view of an automatic centering plate according to an embodiment of the present invention;
FIG. 6 is a schematic view of FIG. 5 taken in the direction 2-2;
FIG. 7 is a schematic view of an automatic centering and hoisting fixture according to an embodiment of the present invention;
FIG. 8 is a schematic view of FIG. 7 taken in the direction 3-3;
FIG. 9 is a schematic view of an automatic centering clamp according to an embodiment of the present invention;
FIG. 10 is a schematic view of FIG. 9 taken from the direction 4-4;
FIG. 11 is a schematic view of a guide slot according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 11, an automatic centering and inverting method for a shaft pipe includes the following steps:
s1: selecting specification models of a main winch and an auxiliary winch according to the structure of a building, the weight and the length of the whole shaft pipeline and the weight of a separately installed segmented pipe, mainly considering that the specification models meet two factors, namely rated lifting capacity and rope capacity, arranging the main winch and the auxiliary winch, and winding steel wire ropes of the main winch and the auxiliary winch, wherein the steel wire ropes of the main winch and the auxiliary winch are wound around the upper end of the final installation position of a steel pipe;
s2: according to the specification and model of a pipeline and the specification of a steel wire rope 1 of an auxiliary winch, a lifting lug plate 3, an automatic centering plate 5, an automatic centering lifting clamp 7, an automatic centering pipe clamp 8 and a guide groove 9 are manufactured, a lifting hole 31 and a stainless steel guide ring 32 are arranged on the lifting lug plate 3, the guide ring 32 is welded and fixed in the middle of the lifting lug plate 3, the guide ring 32 is used for centering and guiding the steel wire rope of the auxiliary winch, the automatic centering lifting clamp 7 is arranged in a three-claw shape, the lifting hole 71 is arranged in the middle of the automatic centering lifting clamp 7, the automatic centering pipe clamp 8 comprises a main structure 81, a screw 82, a sleeve shoe 83, a front limit angle steel 84 and a rear limit angle steel 85, the main structure 81 is C-shaped, one end of the main structure 81 is provided with the rear limit angle steel 85, the other end of the main structure 81 is movably provided with the screw 82, one end of the screw 82 close to one side of the rear limit angle steel 85 is provided with the sleeve shoe 83, the screw 82 and the sleeve shoe 83 form a freely rotatable ball hinge structure, the front limit angle steel 84 is fixed on the sleeve shoe 83, the other end of the screw rod 82 is provided with a handle, the automatic centering pipe clamp 8 can adapt to direct butt joint adjustment of different pipelines according to the length of the screw rod 82, the guide groove 9 comprises a bottom plate 91, side limit plates 92 arranged on two sides of the bottom plate 91 and a sliding surface 93 arranged on the bottom plate 91, the bottom plate 91 is a steel plate with the thickness of 8mm, the side limit plates 92 are flat steel with the thickness of 4mm, the sliding surface 93 is a tetrafluoroethylene plate with the thickness of 1mm, the automatic centering plate 5 is made of a round steel plate with the outer diameter smaller than the inner diameter of the pipeline, a hollow conical pin 51 is arranged at the center of the automatic centering plate 5, the conical pin 51 is uniformly split into three parts along the center, the lug plate 3 is welded and fixed on the upper opening of the first subsection pipe 4, and the guide groove 9 is fixed on the ground;
s3: transporting the first segmented pipe 4 to the side of the vertical shaft and placing the first segmented pipe 4 in a guide groove 9, firstly connecting a steel wire rope 2 of a main winch with a lug plate 3 to hoist the first segmented pipe 4, enabling the distance between the lower opening position of the first segmented pipe 4 and a hoisting operation surface to be the length of each steel pipe segment plus 1m, and horizontally transporting the second segmented pipe 6 into the vertical shaft and placing the second segmented pipe in the guide groove 9;
s4: a steel wire rope 1 of the auxiliary winch penetrates into the first subsection pipe 4 from a guide ring 32 of the lug plate 3 at the top of the first subsection pipe 4, penetrates out of a lower opening of the first subsection pipe 4, penetrates into the second subsection pipe 6 from an upper opening of the second subsection pipe together with a fixed automatic centering plate 5, and penetrates out of a lower opening of the second subsection pipe 6 to be connected with an automatic centering hoisting clamp 7;
s5: starting the auxiliary winch, tensioning the steel wire rope 1 of the auxiliary winch, hooking the lower opening of the second sectional pipe 6 by the automatic centering hoisting clamp 7, gradually transitioning the second sectional pipe 6 from a horizontal state to a vertical state along the guide groove 9, and automatically butting the first sectional pipe 4 and the second sectional pipe 6 along with the tensioning of the steel wire rope 1 of the auxiliary winch;
s6: clamping the first sectional pipe 4 and the second sectional pipe 6 by using an automatic centering pipe clamp 8, and keeping the verticality of the first sectional pipe and the second sectional pipe; then, the upper and lower segmental interfaces are fixed by spot welding through welding windows on two sides of the automatic centering pipe clamp 8;
s7: dismantling the automatic centering pipe clamp 8, and welding the upper and lower subsection interfaces according to requirements;
s8: starting a main winch, tensioning a steel wire rope of the main winch, and lifting the welded first sectional pipe 4 and the welded second sectional pipe 6 upwards by a distance of one sectional length;
s9: and starting the auxiliary winch, repeating the steps from S3 to S8, installing the next sectional pipe, and repeating the steps until all the installation is finished.
According to the automatic centering inversion method for the vertical shaft pipeline, the steel wire rope is in a pipe-in-pipe penetrating and winding mode, so that the steel pipe to be installed can be very simply and conveniently directly lifted to be automatically centered with the installed pipeline, and then can be welded and fixed.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. A vertical shaft pipeline automatic centering and inverted installation method is characterized by comprising the following steps:
s1: selecting specification models of a main winch and an auxiliary winch according to the structure of the building, the weight and the length of the vertical shaft pipeline and the weight of the separately installed sectional pipes;
s2: according to the specification and model of a pipeline and the specification of a steel wire rope of an auxiliary winch, a lifting lug plate, an automatic centering lifting clamp, an automatic centering pipe clamp and a guide groove are manufactured, wherein a lifting hole and a guide ring are formed in the lifting lug plate, the guide ring is fixed in the middle of the lifting lug plate and used for centering and guiding the steel wire rope of the auxiliary winch, the lifting lug plate is fixed at the upper opening of a first subsection pipe, and the guide groove is fixed on the ground;
s3: transporting the first segmented pipe to the side of the vertical shaft and placing the first segmented pipe in a guide groove, connecting a steel wire rope of a main winch with a lifting lug plate to hoist the first segmented pipe, adding 1m to the segmented length of the steel pipe at the distance from the lower opening position of the first segmented pipe to a hoisting operation surface, and horizontally transporting the second segmented pipe to the vertical shaft and placing the second segmented pipe in the guide groove;
s4: a steel wire rope of the auxiliary winch penetrates into the pipe from a guide ring of a lug plate at the top of the first sectional pipe, penetrates out from a lower opening of the first sectional pipe, penetrates into the pipe from an upper opening of the second sectional pipe together with the fixed automatic centering plate, and penetrates out from a lower opening of the second sectional pipe to be connected with an automatic centering hoisting clamp;
s5: starting the auxiliary winch, tensioning a steel wire rope of the auxiliary winch, hooking a lower opening of a second sectional pipe by an automatic centering hoisting clamp, gradually transitioning the second sectional pipe from a horizontal state to a vertical state along the guide groove, and automatically butting the first sectional pipe and the second sectional pipe along with the tightening of the steel wire rope of the auxiliary winch;
s6: clamping the first sectional pipe and the second sectional pipe by using an automatic centering pipe clamp, and keeping the verticality of the first sectional pipe and the second sectional pipe; then, spot welding and fixing the upper and lower segmental interfaces through welding windows on two sides of the automatic centering pipe clamp;
s7: dismantling the automatic centering pipe clamp, and welding the upper and lower subsection interfaces according to requirements;
s8: starting a main winch, tensioning a steel wire rope of the main winch, and lifting the welded first sectional pipe and the welded second sectional pipe upwards by a distance of one sectional length;
s9: and starting the auxiliary winch, repeating the steps from S3 to S8, installing the next sectional pipe, and repeating the steps until all the installation is finished.
2. The method for automatically centering and inverting the shaft pipeline according to claim 1, wherein: in step S2, the self-centering lifting clamp is set to be three-claw shaped, and a lifting hole is set in the middle of the self-centering lifting clamp.
3. The method for automatically centering and inverting the shaft pipeline according to claim 1, wherein: in step S2, the automatic centering pipe clamp includes a main structure, a screw, a sleeve shoe, a front limit angle steel, and a rear limit angle steel, the main structure is C-shaped, the rear limit angle steel is installed at one end of the main structure, the screw is movably installed at the other end of the main structure, the sleeve shoe is installed at one end of the screw close to one side of the rear limit angle steel, the screw and the sleeve shoe form a freely rotatable ball hinge structure, and the front limit angle steel is fixed on the sleeve shoe.
4. The method for automatically centering and inverting the shaft pipe according to claim 3, wherein: and the other end of the screw rod is provided with a handle.
5. The method for automatically centering and inverting the shaft pipeline according to claim 1, wherein: in step S2, the guide groove includes a bottom plate, side surface restriction plates disposed on both sides of the bottom plate, and a slip surface disposed on the bottom plate.
6. The method for automatically centering and inverting the shaft pipe according to claim 5, wherein: the slip surface is a tetrafluoroethylene plate.
7. The method for automatically centering and inverting the shaft pipeline according to claim 1, wherein: in step S2, the automatic centering plate is made of a circular steel plate with an outer diameter smaller than the inner diameter of the pipe, a hollow taper pin is arranged at the center of the automatic centering plate, and the taper pin is evenly split into three parts along the center.
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| CN202010660502.2A CN111962821B (en) | 2020-07-10 | 2020-07-10 | Automatic centering and inverting method for vertical shaft pipeline |
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| CN202010660502.2A CN111962821B (en) | 2020-07-10 | 2020-07-10 | Automatic centering and inverting method for vertical shaft pipeline |
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| CN111962821B true CN111962821B (en) | 2022-01-18 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251210A (en) * | 2021-05-13 | 2021-08-13 | 山西四建集团有限公司 | Inverted installation construction method for riser of super high-rise tubular well |
| CN115182551B (en) * | 2022-07-13 | 2023-08-22 | 中建八局华南建设有限公司 | Vertical pipeline laying method |
| CN115448159B (en) * | 2022-09-05 | 2024-05-17 | 广东省工业设备安装有限公司 | Air conditioner water pipe installation method in narrow pipe well |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2758219Y (en) * | 2004-12-17 | 2006-02-15 | 周国成 | Lifter direct conjuncted with steel rope cable hoist |
| CN101701499A (en) * | 2009-10-30 | 2010-05-05 | 中国第一冶金建设有限责任公司 | Hoisting method for mounting steel chimney tower |
| CN201990368U (en) * | 2011-01-14 | 2011-09-28 | 扬州市神力吊具制造有限公司 | Translation-type pipe pile mould hanger |
| CN107476582A (en) * | 2017-08-08 | 2017-12-15 | 袁奥 | A kind of prefabricated components installation auxiliary equipment and the method installed using the equipment |
| CN112093635A (en) * | 2020-09-18 | 2020-12-18 | 福建互华土木工程管理有限公司 | Steel column construction-based hoisting device, construction method and supervision method thereof |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5712699Y2 (en) * | 1977-09-16 | 1982-03-13 | ||
| DE202010010575U1 (en) * | 2009-09-25 | 2011-02-10 | Frenzelit Werke Gmbh | Tubular lining material and tubular lining made therefrom |
| CN101798869B (en) * | 2009-12-29 | 2012-01-04 | 广东省工业设备安装公司 | Method for automatically centering and inversely installing vertical shaft pipelines |
| CN103615617B (en) * | 2013-11-18 | 2017-01-18 | 大连康维科技有限公司 | Quick connector device |
| CN103658746B (en) * | 2013-12-02 | 2016-06-29 | 郑州市嵩阳煤机制造有限公司 | Steel tube drilling localization method |
| CN203781634U (en) * | 2014-04-23 | 2014-08-20 | 中国葛洲坝集团股份有限公司 | Centering device for installing vertical pipeline |
| CN203903785U (en) * | 2014-06-13 | 2014-10-29 | 中建安装工程有限公司 | Hoisting tool for internal-support type silo pipeline |
| CN204754249U (en) * | 2015-07-03 | 2015-11-11 | 中国十五冶金建设集团有限公司 | A transporting device that is used for indoor big flue to install |
| CN205877406U (en) * | 2016-07-01 | 2017-01-11 | 广东省工业设备安装有限公司 | Casing centralization stationary device |
| CN107448704A (en) * | 2017-09-27 | 2017-12-08 | 蒋春源 | Steady type clip |
| CN207521986U (en) * | 2017-10-13 | 2018-06-22 | 中冶天工集团有限公司 | Portable pipe orifice assembly welding device |
| CN208546612U (en) * | 2018-05-29 | 2019-02-26 | 度特斯(大连)实业有限公司 | A kind of thermal medium conveyance conduit special carrier |
| CN208474668U (en) * | 2018-07-13 | 2019-02-05 | 郑州恒基机电设备有限公司 | A kind of ventilating duct of central air conditioner facilitating installing and dismounting |
| CN110518523B (en) * | 2019-07-11 | 2020-11-06 | 平高集团有限公司 | GIL sliding support device and GIL power transmission system |
| CN210890527U (en) * | 2019-07-30 | 2020-06-30 | 山东鲁泰控股集团有限公司 | Soft or hard pipeline butt joint fastener |
| CN210623847U (en) * | 2019-08-21 | 2020-05-26 | 中科睿凌（北京）低温设备有限公司 | Natural gas pipeline convenient to connect |
| CN210600663U (en) * | 2019-08-30 | 2020-05-22 | 深圳市德润水下工程有限公司 | Leakage stopping device |
| CN211444740U (en) * | 2019-12-05 | 2020-09-08 | 中建安装集团有限公司 | Shaft pipeline hoist device |
-
2020
- 2020-07-10 CN CN202010660502.2A patent/CN111962821B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2758219Y (en) * | 2004-12-17 | 2006-02-15 | 周国成 | Lifter direct conjuncted with steel rope cable hoist |
| CN101701499A (en) * | 2009-10-30 | 2010-05-05 | 中国第一冶金建设有限责任公司 | Hoisting method for mounting steel chimney tower |
| CN201990368U (en) * | 2011-01-14 | 2011-09-28 | 扬州市神力吊具制造有限公司 | Translation-type pipe pile mould hanger |
| CN107476582A (en) * | 2017-08-08 | 2017-12-15 | 袁奥 | A kind of prefabricated components installation auxiliary equipment and the method installed using the equipment |
| CN112093635A (en) * | 2020-09-18 | 2020-12-18 | 福建互华土木工程管理有限公司 | Steel column construction-based hoisting device, construction method and supervision method thereof |
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