CN104261246A - Hoisting tool of rectangular pipe-jacking section and use method of hoisting tool - Google Patents
Hoisting tool of rectangular pipe-jacking section and use method of hoisting tool Download PDFInfo
- Publication number
- CN104261246A CN104261246A CN201410462334.0A CN201410462334A CN104261246A CN 104261246 A CN104261246 A CN 104261246A CN 201410462334 A CN201410462334 A CN 201410462334A CN 104261246 A CN104261246 A CN 104261246A
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- China
- Prior art keywords
- tube coupling
- pipe tube
- rectangular top
- top pipe
- hoisting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides
Abstract
The invention discloses a hoisting tool of a rectangular pipe-jacking section and a use method of the hoisting tool, belongs to the technical field of hoisting devices and solves the problem of potential safety hazards in hoisting of a conventional rectangular pipe-jacking section. The hoisting tool of the rectangular pipe-jacking section comprises a cross beam, a hoisting ring fixed in the middle of the cross beam, and a pair of hoisting arms symmetrically arranged at two ends of the cross beam, wherein the hoisting arms are hinged with the cross beam. The hoisting tool further comprises two limit devices respectively arranged on the outer sides of joints of the cross beam and the hoisting arms, wherein the limit devices are fixedly connected with the cross beam in manner of penetrating through the upper ends of the hoisting arms; and a steel rod is arranged at the lower end of each hoisting arm. The use method of the hoisting tool comprises the following steps: horizontally putting the rectangular pipe-jacking section on a flat cement ground; then installing the hoisting tool, and enabling the rectangular pipe-jacking section to be vertically arranged on the flat cement group, and then dismantling the hoisting tool; and finally, installing the hoisting tool for performing hoisting, dismantling the hoisting tool, and completing the hoisting of the rectangular pipe-jacking section. According to the hoisting tool, the safety of hoisting the rectangular pipe-jacking section is improved; the use method is simple and convenient to operate.
Description
Technical field
The invention belongs to hoisting device technical field, particularly relate to a kind of lifting device and using method of rectangular top pipe tube coupling.
Background technology
In rectangular top pipe tube coupling lifting construction, usually adopt flexible connection mode lifting rectangular top pipe tube coupling.Common flexible hanger comprises hanging belt or rope form hoist cable attaching parts.But flexible connection mode allows interconnective component to be subjected to displacement or corner, does not limit distortion in a certain respect, thus flexible connection mode lifting rectangular top pipe tube coupling may be made to there is potential safety hazard.And there is rectangular top pipe tube coupling and to get loose the risk of landing.Therefore, a kind of lifting device of safe and reliable rectangular top pipe tube coupling and using method how is provided to be the problems that those skilled in the art need solution badly.
Summary of the invention
The object of the present invention is to provide a kind of lifting device and using method of rectangular top pipe tube coupling, lift unsafe problem to solve traditional rectangular top pipe tube coupling.
To achieve these goals, technical scheme of the present invention is:
A kind of lifting device of rectangular top pipe tube coupling, comprise crossbeam, be fixed on suspension ring in the middle part of described crossbeam, and be symmetricly set in the arm at described crossbeam two ends for a pair, described arm and described crossbeam hinged, also comprise: two inhibiting device, two described inhibiting device are arranged at the outside of described crossbeam and described arm junction respectively, and the upper end that described inhibiting device passes described arm is fixedly connected with described crossbeam; The lower end of described arm is provided with a rod iron.
Further, described inhibiting device comprises a spacing steel plate and a latch, described spacing steel plate is parallel to described crossbeam, and described spacing steel plate one end be positioned at outside described arm is provided with a through hole, and described latch can through described through hole for locating described crossbeam and described arm.
Further, one end of described latch is provided with handle, and the diameter of described handle is greater than the diameter of described through hole, and the other end of described latch is provided with jack and can passes the insert sheet for positioning of described jack.
Further, one end of described latch is provided with handle, and the diameter of described handle is greater than the diameter of described through hole, and the other end of described latch can be connected with nut thread.
Further, the cross-sectional plane of described latch is circle, rectangle or polygon.
Further, the thickness of described spacing steel plate is 2cm-3cm.
The using method of the lifting device of rectangular top pipe tube coupling, comprises the steps:
Step one: described rectangular top pipe tube coupling is placed horizontally on Horizon;
Step 2: the hole of standing up being positioned at described rectangular top pipe tube coupling center-point is fixedly connected with described lifting device, and under the effect of lifting machine, make described rectangular top pipe tube coupling stand on Horizon, then remove described lifting device;
Step 3: the handle hole be positioned on described rectangular top pipe tube coupling line of centers is fixedly connected with described lifting device, and by lifting machine by the handling of described rectangular top pipe tube coupling to the assigned address in active well, then remove described lifting device, complete the lifting of rectangular top pipe tube coupling.
Compared with prior art, tool has the following advantages and beneficial effect in the present invention:
1, the lifting device of rectangular top pipe tube coupling of the present invention, solves the problem that the lifting of existing rectangular top pipe tube coupling exists potential safety hazard.This lifting device comprises by crossbeam, is fixed on the suspension ring in the middle part of crossbeam and is symmetricly set in the arm at crossbeam two ends for a pair, also comprise two inhibiting device, two inhibiting device are arranged at the outside of crossbeam and arm junction respectively, and the upper end that inhibiting device passes arm is fixedly connected with crossbeam; The lower end of arm is provided with a rod iron.By arranging inhibiting device, when making lifting construction, geo-stationary between movable arm and crossbeam, thus prevent that rectangular top pipe tube coupling from getting loose in lifting construction process, landing.Rod iron is used for lifting device and is connected with the firm of rectangular top pipe tube coupling.This lifting device be rigidity suspender relative to flexible hangers such as ropes, its lifting intensity is larger, and safety is higher.Rectangular top pipe tube coupling sets up inhibiting device, improves the fiduciary level of lifting rectangular top pipe tube coupling, also safety guard-safeguard effect is played to the operator at lifting construction scene.
2, the lifting device of rectangular top pipe tube coupling of the present invention, its inhibiting device is made up of a block plate and a latch, makes simple, easy to operate.
3, the using method of the lifting device of rectangular top pipe tube coupling of the present invention, first, is placed horizontally on Horizon by rectangular top pipe tube coupling; Then, the hole of standing up being positioned at rectangular top pipe tube coupling center-point is fixedly connected with lifting device, and under the effect of lifting machine, rectangular top pipe tube coupling is stood on Horizon, then removes lifting device; Finally, the handle hole be positioned on rectangular top pipe tube coupling line of centers is fixedly connected with lifting device, and by lifting machine by the handling of rectangular top pipe tube coupling to the assigned address in active well, and remove lifting device, complete the lifting of rectangular top pipe tube coupling.The using method of the lifting device of rectangular top pipe tube coupling of the present invention is easy and simple to handle, can lift rectangular top pipe tube coupling safely and efficiently, have good dissemination.
Accompanying drawing explanation
Lifting device and the using method of a kind of rectangular top pipe tube coupling of the present invention are provided by following embodiment and accompanying drawing.
Fig. 1 is the structural representation of the lifting device of one embodiment of the invention rectangular top pipe tube coupling;
Fig. 2 is the left view of the lifting device of the rectangular top pipe tube coupling of one embodiment of the invention;
Fig. 3 is the structural representation of rectangular top pipe tube coupling in the lifting device using method of the rectangular top pipe tube coupling of one embodiment of the invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the lifting device of rectangular top pipe tube coupling of the present invention and using method are described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.For sake of convenience, hereinafter described " left side ", " right side " is consistent with the left and right direction of accompanying drawing, but this can not become the restriction of technical solution of the present invention.
The structure composition of the lifting device of rectangular top pipe tube coupling of the present invention is described in detail below in conjunction with Fig. 1 to Fig. 3.The lifting device of rectangular top pipe tube coupling of the present invention is left and right symmetrical structure, is described for left side.
As shown in Figure 1, a kind of lifting device of rectangular top pipe tube coupling, comprise crossbeam 1, be fixed on suspension ring 2 in the middle part of crossbeam 1, and be symmetricly set in the arm (3-1 at crossbeam 1 two ends for a pair, 3-2), arm (3-1,3-2) hinged with crossbeam 1, also comprise: two inhibiting device (4-1,4-2), two inhibiting device (4-1,4-2) be arranged at the outside of crossbeam 1 and arm (3-1,3-2) junction respectively, and inhibiting device (4-1, upper end 4-2) through arm (3-1,3-2) is fixedly connected with crossbeam 1; The lower end of arm (3-1,3-2) is provided with a rod iron (5-1,5-2).
Composition graphs 1 and Fig. 3, in general, rectangular top pipe tube coupling has two groups of symmetrically arranged holes for hoist, and one group is be symmetricly set in rectangular top pipe tube coupling center-point stands up hole 6, and another group is for being symmetricly set in the handle hole 7 on rectangular top pipe tube coupling line of centers.Crossbeam 1 is welded by shaped steel, and its intensity meets the requirement of strength of lifting rectangular top pipe tube coupling.Suspension ring 2 are set at the middle part of crossbeam 1, stress balance when lifting device is lifted.Further, stress balance and Hoisting Security during in order to make to lift, the width of crossbeam 1 is slightly wider than the width of the rectangular top pipe tube coupling that will lift.Certainly, convenient during in order to make to lift, the two ends of crossbeam 1 arrange arm (3-1,3-2), and arm (3-1,3-2) is flexibly connected by articulated manner with crossbeam 1.Adopt rotating connection mode can ensure smooth connection and the unloading of rectangular top pipe tube coupling and lifting device.30#C type I-beam section can be selected to make arm (3-1,3-2), draw materials conveniently, cost-saving.The connection of lifting device and rectangular top pipe tube coupling is realized by the rod iron (5-1,5-2) be arranged on arm (3-1,3-2).Consider the stability under loading of rod iron (5-1,5-2), the diameter of rod iron can be 110mm-130mm, length 200mm-220mm.Usual selection diameter is 120mm, and length is that the rod iron of 210mm is better.Lifting lie low the rectangular top pipe tube coupling being positioned over Horizon time, first by rod iron (5-1,5-2) insert and symmetrically arrangedly stand up for a pair in hole 6, ensure that lifting device forms firm connection with rectangular top pipe tube coupling, while under the effect of external force, make rectangular top pipe tube coupling stand on Horizon; Then rod iron (5-1,5-2) is extracted out; Then rod iron (5-1,5-2) is inserted in symmetrically arranged a pair handle hole 6, ensure that lifting device forms firm connection with rectangular top pipe tube coupling; Finally by driving the suspension hook be connected with suspension ring 2, thus realize the lifting of rectangular top pipe tube coupling.
Continue with reference to figure 1 and Fig. 2, especially, adopt traditional to flexibly connect or rigidly connected lifting mode exists the risk that rectangular top pipe tube coupling comes off, add the danger of rectangular top pipe tube coupling lifting construction.Therefore, in order to improve the Hoisting Security of rectangular top pipe tube coupling, lifting device arranges two inhibiting device (4-1,4-2), two inhibiting device (4-1,4-2) are arranged at crossbeam 1 and arm (3-1 respectively, 3-2) the outside of junction, and inhibiting device (4-1,4-2) is fixedly connected with crossbeam 1 through the upper end of arm (3-1,3-2).By arranging inhibiting device (4-1,4-2), can prevent that rectangular top pipe tube coupling from getting loose in hoisting process, landing, thus improve the fiduciary level of lifting finished product rectangular top pipe tube coupling, also safety guard-safeguard effect be played to the operator at lifting construction scene.
Composition graphs 1 and Fig. 3, inhibiting device 4-1 comprises a spacing steel plate (not shown) and a latch (not shown), spacing steel plate is parallel to crossbeam 1 and arranges, spacing steel plate one end be positioned at outside arm 3-1 is provided with a through hole (not shown), spacing steel plate is through the upper end of arm 3-1, and latch can through through hole for locating crossbeam 1 and arm 3-1.By arranging the inhibiting device 4-1 of pin-type, the random rotation of restriction arm 3-1, adds the safety of lifting device lifting rectangular top pipe tube coupling.
Continue with reference to figure 2, in inhibiting device 4-1, one end of latch is provided with the handle that can for hold, and the diameter of handle is greater than the diameter of through hole, and the other end of latch is provided with jack and can passes the insert sheet for positioning of jack.According to practice of construction situation, insert sheet for positioning can be selected to have certain elastomeric steel plate and be made.After rectangular top pipe tube coupling and lifting device form stable connection, hold the latch knob in inhibiting device 4-1, parallelly push ahead latch, and insert sheet for positioning is passed jack locking latch, to locate crossbeam 1 and arm 3-1.
Inhibiting device 4-1 is to locate crossbeam 1 and inhibiting device 4-1, make it geo-stationary, thus the latch in this inhibiting device 4-1 can also be chosen as: one end of latch is provided with handle, and the diameter of handle is greater than the diameter of through hole, and the other end of latch can be connected with nut thread.After rectangular top pipe tube coupling and lifting device form stable connection, hold the bolt in inhibiting device 4-1, parallelly push ahead screw rod, arrive use nut locking after assigned address, to locate crossbeam 1 and arm 3-1.
Further, consider operability, the cross-sectional plane of latch can be circle, rectangle or polygon.
Specifically, according to size and the actual weight of finished product rectangular top pipe tube coupling, in inhibiting device, the thickness of spacing steel plate is 2cm-3cm.
The lifting device of this rectangular top pipe tube coupling is left and right symmetrical structure, and its right side structure is identical with left side structure, and the present invention does not repeat them here.
Below in conjunction with Fig. 1 and Fig. 3, describe the using method of the lifting device of the rectangular top pipe tube coupling of the present embodiment in detail.
The using method of the lifting device of rectangular top pipe tube coupling, comprises the steps:
Step one, rectangular top pipe tube coupling to be placed horizontally on Horizon.
Specifically, after utilizing the transportation meanss such as truck that rectangular top pipe tube coupling is transported to camp site, need rectangular top pipe tube coupling to be placed horizontally on Horizon, and make the male mouth down of rectangular top pipe tube coupling, female mouth upwards, then at the desired location paving water stop tie of rectangular top pipe tube coupling.
Step 2, the hole 6 of standing up being positioned at rectangular top pipe tube coupling center-point to be fixedly connected with lifting device, and under the effect of lifting machine, to make rectangular top pipe tube coupling stand on Horizon, then remove lifting device.
Specifically, by the rod iron (5-1 of lifting device, 5-2) insert and be symmetricly set in a group of rectangular top pipe tube coupling center-point and stand up hole 6, and by inhibiting device (4-1, latch 4-2) is through through hole, with insert sheet for positioning through jack locking latch reserved on latch, thus location crossbeam 1 and arm (3-1,3-2); The hook suspension ring 2 of lifting machine, simultaneously sheathed rope on rectangular top pipe tube coupling, under lifting machine and artificial combined action of drawing, make rectangular top pipe tube coupling stand on Horizon, now, the spout axis of rectangular top pipe tube coupling is parallel with Horizon; Extract insert sheet for positioning again, extract the latch of inhibiting device (4-1,4-2) out, unclamp the connection of arm (3-1,3-2) and rectangular top pipe tube coupling, thus remove lifting device.
Step 3, the one group of handle hole 7 be positioned on rectangular top pipe tube coupling line of centers to be fixedly connected with lifting device, and by lifting machine by the handling of rectangular top pipe tube coupling to the assigned address in active well, then remove lifting device, complete the lifting of rectangular top pipe tube coupling.
Specifically, just rod iron (the 5-1 of lifting device, 5-2) insert the one group of handle hole 7 be symmetricly set on rectangular top pipe tube coupling line of centers, and by inhibiting device (4-1, latch 4-2) is through through hole, with insert sheet for positioning through jack locking latch reserved on latch, thus location crossbeam 1 and arm (3-1,3-2); Again lifting machine is connected with suspension ring, by lifting machine by the handling of rectangular top pipe tube coupling to the assigned address in active well; Then extract insert sheet for positioning, extract the latch of inhibiting device (4-1,4-2) out, unclamp arm (3-1,3-2) and the connection of rectangular top pipe tube coupling, complete the lifting of rectangular top pipe tube coupling.
Therefore, in the using method of the lifting device of the rectangular top pipe tube coupling of this enforcement, only need adjustment rectangular top pipe tube coupling, make its spout axis parallel with Horizon, then lifting device is installed, start lifting machine, thus complete the lifting of whole rectangular top pipe tube coupling.The method is easy and simple to handle, can lift rectangular top pipe tube coupling quickly and safely.
In sum, the lifting device of rectangular top pipe tube coupling of the present invention, solves the problem that the lifting of existing rectangular top pipe tube coupling exists potential safety hazard.This lifting device comprises by crossbeam, is fixed on the rigidity suspender that the suspension ring in the middle part of crossbeam and the arm that is symmetricly set in crossbeam two ends for a pair form, and also comprises the outside that is arranged at crossbeam and arm junction and the inhibiting device be fixedly connected with crossbeam through the upper end of arm.By arranging inhibiting device, when making lifting construction, geo-stationary between movable arm and crossbeam, thus prevent that rectangular top pipe tube coupling from getting loose in lifting construction process, landing.Rigidity suspender is relative to flexible hanger, and its lifting intensity is larger, and safety is higher.In addition, inhibiting device set up by rigidity suspender, improve the fiduciary level of lifting rectangular top pipe tube coupling, also safety guard-safeguard effect is played to the operator at lifting construction scene.The using method of the lifting device of rectangular top pipe tube coupling of the present invention, first, is placed horizontally on Horizon by rectangular top pipe tube coupling; Then, the hole of standing up being positioned at rectangular top pipe tube coupling center-point is fixedly connected with lifting device, and under the effect of lifting machine, rectangular top pipe tube coupling is stood on Horizon, then removes lifting device; Finally, the handle hole be positioned on rectangular top pipe tube coupling line of centers is fixedly connected with lifting device, and by lifting machine by the handling of rectangular top pipe tube coupling to the assigned address in active well, and remove lifting device, the lifting of rectangular top pipe tube coupling can be completed.The using method of the lifting device of rectangular top pipe tube coupling of the present invention is easy and simple to handle, can lift rectangular top pipe tube coupling safely and efficiently, have good dissemination.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention.Any change that those skilled in the art does according to above-mentioned disclosure, modification, all belong to the protection domain of claim.
Claims (7)
1. the lifting device of a rectangular top pipe tube coupling, comprise crossbeam, be fixed on suspension ring in the middle part of described crossbeam, and be symmetricly set in the arm at described crossbeam two ends for a pair, described arm and described crossbeam hinged, it is characterized in that, also comprise: two inhibiting device, two described inhibiting device are arranged at the outside of described crossbeam and described arm junction respectively, and the upper end that described inhibiting device passes described arm is fixedly connected with described crossbeam; The lower end of described arm is provided with a rod iron.
2. the lifting device of rectangular top pipe tube coupling according to claim 1, it is characterized in that, described inhibiting device comprises a spacing steel plate and a latch, described spacing steel plate is parallel to described crossbeam, described spacing steel plate one end be positioned at outside described arm is provided with a through hole, and described latch can through described through hole for locating described crossbeam and described arm.
3. the lifting device of rectangular top pipe tube coupling according to claim 2, it is characterized in that, one end of described latch is provided with handle, and the diameter of described handle is greater than the diameter of described through hole, and the other end of described latch is provided with jack and can passes the insert sheet for positioning of described jack.
4. the lifting device of rectangular top pipe tube coupling according to claim 2, is characterized in that, one end of described latch is provided with handle, and the diameter of described handle is greater than the diameter of described through hole, and the other end of described latch can be connected with nut thread.
5. the lifting device of the rectangular top pipe tube coupling according to any one of claim 2 to 4, is characterized in that, the cross-sectional plane of described latch is circle, rectangle or polygon.
6. the lifting device of the rectangular top pipe tube coupling according to any one of claim 2 to 4, is characterized in that, the thickness of described spacing steel plate is 2cm-3cm.
7. the using method of the lifting device of the rectangular top pipe tube coupling according to any one of claim 1 to 6, is characterized in that, comprise the steps:
Step one: described rectangular top pipe tube coupling is placed horizontally on Horizon;
Step 2: the hole of standing up being positioned at described rectangular top pipe tube coupling center-point is fixedly connected with described lifting device, and under the effect of lifting machine, make described rectangular top pipe tube coupling stand on Horizon, then remove described lifting device;
Step 3: the handle hole be positioned on described rectangular top pipe tube coupling line of centers is fixedly connected with described lifting device, and by lifting machine by the handling of described rectangular top pipe tube coupling to the assigned address in active well, then remove described lifting device, complete the lifting of rectangular top pipe tube coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462334.0A CN104261246A (en) | 2014-09-12 | 2014-09-12 | Hoisting tool of rectangular pipe-jacking section and use method of hoisting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462334.0A CN104261246A (en) | 2014-09-12 | 2014-09-12 | Hoisting tool of rectangular pipe-jacking section and use method of hoisting tool |
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| Publication Number | Publication Date |
|---|---|
| CN104261246A true CN104261246A (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410462334.0A Pending CN104261246A (en) | 2014-09-12 | 2014-09-12 | Hoisting tool of rectangular pipe-jacking section and use method of hoisting tool |
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| CN (1) | CN104261246A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105152005A (en) * | 2015-09-16 | 2015-12-16 | 河南平高电气股份有限公司 | Lifting tool |
| CN105197771A (en) * | 2015-10-06 | 2015-12-30 | 周家全 | Buckle-type clamp for casting and technological method of buckle-type clamp |
| CN106348159A (en) * | 2016-08-26 | 2017-01-25 | 中投（天津）热力股份有限公司 | Steel tube hanging tool |
| CN107265283A (en) * | 2017-08-11 | 2017-10-20 | 广西玉柴机器股份有限公司 | A kind of suspender for aiding in installing engine compressor |
| CN107285183A (en) * | 2016-04-01 | 2017-10-24 | 中国二冶集团有限公司 | A kind of method of hoisting rolling mill frame |
| CN107473075A (en) * | 2017-09-19 | 2017-12-15 | 宁波如意股份有限公司 | A kind of automatic picking off and hanging hook |
| CN107986153A (en) * | 2017-12-29 | 2018-05-04 | 中铁大桥局集团第八工程有限公司 | A kind of eccentric hanger |
| CN112340592A (en) * | 2020-11-10 | 2021-02-09 | 中建三局安装工程有限公司 | Pipe jacking pipe joint hoisting device and construction method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105152005A (en) * | 2015-09-16 | 2015-12-16 | 河南平高电气股份有限公司 | Lifting tool |
| CN105152005B (en) * | 2015-09-16 | 2017-11-10 | 河南平高电气股份有限公司 | A kind of suspender |
| CN105197771A (en) * | 2015-10-06 | 2015-12-30 | 周家全 | Buckle-type clamp for casting and technological method of buckle-type clamp |
| CN107285183A (en) * | 2016-04-01 | 2017-10-24 | 中国二冶集团有限公司 | A kind of method of hoisting rolling mill frame |
| CN106348159A (en) * | 2016-08-26 | 2017-01-25 | 中投（天津）热力股份有限公司 | Steel tube hanging tool |
| CN107265283A (en) * | 2017-08-11 | 2017-10-20 | 广西玉柴机器股份有限公司 | A kind of suspender for aiding in installing engine compressor |
| CN107265283B (en) * | 2017-08-11 | 2019-01-25 | 广西玉柴机器股份有限公司 | A kind of suspender of auxiliary installation engine compressor |
| CN107473075A (en) * | 2017-09-19 | 2017-12-15 | 宁波如意股份有限公司 | A kind of automatic picking off and hanging hook |
| CN107986153A (en) * | 2017-12-29 | 2018-05-04 | 中铁大桥局集团第八工程有限公司 | A kind of eccentric hanger |
| CN107986153B (en) * | 2017-12-29 | 2019-11-19 | 中铁大桥局集团第八工程有限公司 | A kind of eccentric hanger |
| CN112340592A (en) * | 2020-11-10 | 2021-02-09 | 中建三局安装工程有限公司 | Pipe jacking pipe joint hoisting device and construction method thereof |
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Application publication date: 20150107 |