CN201171147Y - Clamp for vertically mounting ultra-high layer cable - Google Patents

Clamp for vertically mounting ultra-high layer cable Download PDF

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Publication number
CN201171147Y
CN201171147Y CNU2007201993784U CN200720199378U CN201171147Y CN 201171147 Y CN201171147 Y CN 201171147Y CN U2007201993784 U CNU2007201993784 U CN U2007201993784U CN 200720199378 U CN200720199378 U CN 200720199378U CN 201171147 Y CN201171147 Y CN 201171147Y
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CN
China
Prior art keywords
cable
folder tool
main
clamp
sub
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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.)
Expired - Fee Related
Application number
CNU2007201993784U
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Chinese (zh)
Inventor
汪鹤寿
周镇江
乔培华
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Shanghai Installation Engineering Co Ltd
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Shanghai Installation Engineering Co Ltd
Priority date (The priority date 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 date listed.)
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Priority to CNU2007201993784U priority Critical patent/CN201171147Y/en
Application granted granted Critical
Publication of CN201171147Y publication Critical patent/CN201171147Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a super-high cable vertical hosting clamp which can be properly turned horizontally at one time during the super-high vertical cable hoisting operation; the hosting clamp comprises a main clamp, an auxiliary clamp and a traction steel wire rope; the auxiliary clamp is arrange on the upper end of the main clamp; the tail end of the traction steel wire rope is fixedly connected with the upper end of the main clamp; the traction steel wire rope and a cable are mutually fixedly clamped by the auxiliary clamp. The hoisting clamp can not only fully ensure the cable construction quality, but also save manpower and greatly reduce the safety risks in high altitude construction; in addition, the cable is more conveniently tractioned after being horizontally turned, so the hosting clamp has the advantages of simple structure, convenient use, etc.

Description

Superelevation layer cable vertical lifting anchor clamps
Technical field
The utility model relates to a kind of stone tongs, is specifically related to a kind of superelevation layer cable vertical lifting anchor clamps that superelevation layer vertical-rise cable lifting operation process can level turns to one-time-reach-place that are used for.
Background technology
In electrical installation project, skyscraper vertical-rise cable lifting operation is more and more general, and along with depth of building is constantly soaring, it is increasing that cable need bear vertical tension simultaneously, to the thicker wire armouring, continuous increase in the cross section of cable and weight are more and more heavier from steel-tape armouring.For guaranteeing power supply reliability, the joint that do not have in the middle of the superelevation layer cable also claims cable to adopt uninterrupted mode to lay, no matter how many height are arranged, guarantees that cable is whole and once lays and put in place.
Skyscraper is provided with vertical shaft specially to vertical-rise cable, and cable shaft is cable and crane span structure device place thereof, is again the cable hoisting passage.Cable lifting fixed block is arranged on the vertical shaft top, and still there is quite long distance the cable termination position from fixed pulley, thus cable at vertical lifting behind predetermined altitude, will be referred to the cable level and turn to problem.Level turned to laying method to be in the past: cable is lifted drawing head give temporarily fixing insurance with chain hoist, then stone tongs in the middle of the cable is fixed on the cable, trailing cable steel wire rope and unloading clip are toward transferring to the middle stone tongs of cable and being attached thereto.When confirm to finish haulage cable tighten up stressed after, chain hoist on the releases cable lifting drawing head, the cable end steering horizontal, when cable progressively up promoted, horizontal direction then adopted artificial traction method to carry out synchronously.After cable laying puts in place, from top to bottom cable is fixed on the crane span structure, sheds the middle stone tongs of cable then.Cable drawing head is reinforced insurance temporarily in whole hoisting process, the middle stone tongs loading and unloading of cable all is at the aerial construction operation of height, not only need the very long activity duration, have the high-altitude dropped object for operating personnel under the vertical direction in the hoisting process simultaneously and hit potential hazard.
Because the cable lifting needs to arrive absolute altitude all at 200~300m, even needs more than the superelevation 300m; Vertically lift by crane cable self intensity needs for satisfying the overlength degree, cable is selects thicker wire armouring, the unit length own for example ZR-YJV42/10kV 3 * 120mm that conducts oneself with dignity for use 2Can reach 13.9kg/m, reach nearly 3.5t by the deadweight of 250m length cables.Consider that simultaneously hoist engine starts moment and can produce certain acceleration, the pulling force that all and Clamp for connecting cables tool bear is greater than the deadweight under the cable inactive state, and the setting of cable cleat should be satisfied the requirement that cable lifts whole process tractive effort; Can not injure cable sheath again influences useful life, will consider the traction just of the horizontal back track of cable simultaneously.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of can guarantee the cable construction quality requirement fully, simultaneously can save the superelevation layer cable stone tongs that manpower reduces the high-altitude construction safety risk greatly, to overcome the above-mentioned defective that prior art exists.
The technical scheme of the utility model technical solution problem is as follows:
A kind of superelevation layer cable vertical lifting anchor clamps, it is characterized in that, comprise main folder tool, sub-folder tool and haulage cable, described sub-folder tool is arranged on main folder tool upper end, haulage cable is terminal fixedlys connected with main folder tool upper end, and haulage cable and cable are fixedly clamped mutually by the sub-folder tool.
Comprise that also steel wire rope rotates suspender, rotating suspender is to be serially connected between haulage cable and the main folder tool, and the position is on sub-folder tool top.
By above disclosed technical scheme as can be known, the utility model is by being provided with main folder tool, sub-folder tool, haulage cable, and the main folder tool is the direct connecting portions of haulage cable and cable for the stressed anchor clamps of lifting cable; The sub-folder tool is a shield jig in the cable hoisting process, and the sub-folder tool is not subjected to vertical tension in the lifting overall process, and its effect is to keep the unlikely bending of the above cable of main folder tool.Can not only satisfy the requirement of tractive effort in the whole hoisting process by the cable that adopts the lifting of the utility model stone tongs, and do not injure cable sheath and influence useful life, and the cable level is convenient to traction after turning to more, is simple in structure and convenient in use.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model main folder structure schematic diagram of signing an undertaking;
Fig. 3 is the utility model sub-folder structure schematic diagram of signing an undertaking;
Fig. 4 is that the utility model steel wire rope rotates the hanger structure schematic diagram.
Embodiment
Further specify the utility model below in conjunction with accompanying drawing.
Shown in Fig. 1~3, the utility model superelevation layer cable vertical lifting anchor clamps, comprise main folder tool 1, sub-folder tool 2 and haulage cable 3, described sub-folder tool 2 is arranged on main folder tool upper end 3, haulage cable 3 terminal 301 is fixedlyed connected with main folder tool 1 upper end, and haulage cable 3 and cable 4 are fixedly clamped mutually by sub-folder tool 2.
Described main folder tool 1 comprises steel plate 101, semicircle tubulose locator 102 and clamp 103, and described cable 4 is fixedly installed between steel plate 101 and the locator 102 and is fixedly clamped by clamp 103.
Described sub-folder tool 2 is for being disposed on some band steel anchor ears 201 of main folder tool 1 upper end, and the length that the length of described sub-folder tool 2 and cable 4 levels need turn to adapts.
Described main folder tool 1 upper end is provided with shackle 104, and described haulage cable 3 lower ends link to each other with main folder tool 1 by shackle 104.
Further, the utility model can also comprise that steel wire rope rotates suspender 5, described steel wire rope rotates suspender 5 and comprises suspender main body 501, main shaft 502, countershaft 503 and thrust bearing 504, fixedly connected with suspender main body 501 in described countershaft 503 upper ends, described main shaft 502 passes suspender main body 501 centers and suspender main body 501 is rotationally connected, described thrust bearing 504 is arranged between suspender main body 501 lower ends and the main shaft 502, described main shaft 502 upper ends are provided with main shaft shackle 505, described countershaft 503 lower ends are provided with countershaft shackle 506, and described haulage cable 3 passes from countershaft shackle 506.Described steel wire rope rotates suspender 5 upper ends and is suspended in sub-folder tool 2 tops by the main shaft shackle, is serially connected between haulage cable 3 and the main folder tool 1, as shown in Figure 4.Rotate suspender 5 by between main folder tool and haulage cable, being serially connected with steel wire rope, thereby avoid cable in hoisting process, be unlikely to produce rotation phenomenon.Because steel wire rope has stored the stress of (or left side) sth. made by twisting to the right in manufacturing stranding process to twining in the treucher process, its stress can increase and increase along with length, and new steel wire rope is bigger than old steel wire rope stress.When cable in hoisting process, steel wire rope will produce rotation, installed this rotation suspender after, although upper cone body inner main axis can rotate with steel wire rope, and cone can not rotate, thereby has avoided in hoisting process cable to produce rotation phenomenon.
The utility model is to use like this: before the use; main folder tool 1 and 2 liang of anchor clamps (see figure 1)s of sub-folder tool are fixed on the cable 4; haulage cable 3 passes sub-folder tool 2, at sub-folder tool band steel anchor ear 10cm haulage cable 3 and 4 cushioning protective layers of cable (cable cover(ing) skin) about in the of 201.Haulage cable 3 is connected with main folder tool 1 by shackle 6, when hoist engine trailing cable 4 progressively rises to sub-folder tool 2 and reaches predetermined altitude, stop the hoist engine traction immediately, then sub-folder tool band steel anchor ear 201 is removed from top to bottom one by one, this moment, hoist engine entered start-stop state repeatedly, sub-folder tool 2 is removed one section, and haulage cable 3 reaches the cable 4 2m distance of slinging predetermined altitude up to main folder tool 1 and stops hoist engine.Removing the sub-folder tool one by one simultaneously, adopting the rope made of hemp that cable 4 origin or beginnings are fastened, along with cable rising steering horizontal cable manpower traction's laying method.After horizontal cable 4 arrived predesigned end point, hoist engine was shut down.Use the cable fixation clamp, from top to bottom cable is fixed on the trapezoidal crane span structure cross-arm of cable from vertical shaft, at last the haulage cable shackle is removed from main folder tool 1, then clamp (bolt) on the main folder tool 1 is shed one by one, shed semicircle steel pipe and steel plate cable cleat at last, haulage cable 3 is lowered to bottom, prepares next root cable of lifting.

Claims (6)

1. superelevation layer cable vertical lifting anchor clamps, it is characterized in that, comprise main folder tool (1), sub-folder tool (2) and haulage cable (3), described sub-folder tool (2) is arranged on main folder tool (3) upper end, haulage cable (3) is terminal fixedlys connected with main folder tool (1) upper end, and haulage cable (3) is fixedly clamped by sub-folder tool (2) mutually with cable (4).
2. superelevation layer cable vertical lifting anchor clamps according to claim 1 is characterized in that, comprise that also steel wire rope rotates suspender (5), and it is serially connected between haulage cable (3) and the main folder tool (1), and the position is on sub-folder tool (2) top.
3. superelevation layer cable vertical lifting anchor clamps according to claim 2, it is characterized in that, described steel wire rope rotates suspender (5) and comprises suspender main body (501), main shaft (502), countershaft (503) and thrust bearing (504), fixedly connected with suspender main body (501) in described countershaft (503) upper end, described main shaft (502) passes suspender main body (501) center and suspender main body (501) is rotationally connected, described thrust bearing (504) is arranged between suspender main body (501) lower end and the main shaft (502), described main shaft (502) upper end is provided with main shaft shackle (505), described countershaft (503) lower end is provided with countershaft shackle (506), and described haulage cable (3) passes from countershaft shackle (506).
4. superelevation layer cable vertical lifting anchor clamps according to claim 1, it is characterized in that, described main folder tool (1) comprises steel plate (101), semicircle steel pipe cable cleat (102) and band steel clamp (103), and described cable (4) is fixedly installed between steel plate (101) and the semicircle steel pipe cable cleat (102) fixing by band steel clamp (103).
5. superelevation layer cable vertical lifting anchor clamps according to claim 1, it is characterized in that, described sub-folder tool (2) is for being disposed on the some band steel anchor ears (201) on the main folder tool, and the length that length and cable (3) level need turn to that is provided with of described sub-folder tool adapts.
6. superelevation layer cable vertical lifting anchor clamps according to claim 1 is characterized in that, described main folder tool (1) upper end is provided with shackle (104), and described haulage cable (3) lower end links to each other with main folder tool (1) by shackle (104).
CNU2007201993784U 2007-12-18 2007-12-18 Clamp for vertically mounting ultra-high layer cable Expired - Fee Related CN201171147Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201993784U CN201171147Y (en) 2007-12-18 2007-12-18 Clamp for vertically mounting ultra-high layer cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201993784U CN201171147Y (en) 2007-12-18 2007-12-18 Clamp for vertically mounting ultra-high layer cable

Publications (1)

Publication Number Publication Date
CN201171147Y true CN201171147Y (en) 2008-12-24

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Application Number Title Priority Date Filing Date
CNU2007201993784U Expired - Fee Related CN201171147Y (en) 2007-12-18 2007-12-18 Clamp for vertically mounting ultra-high layer cable

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101728790B (en) * 2009-12-29 2012-05-02 广东省工业设备安装公司 Method for laying vertical cables for extra-high building
CN108462117A (en) * 2018-03-02 2018-08-28 北京利华消防工程有限公司 A kind of skyscraper cable-laying gear and its application method
CN109179217A (en) * 2018-10-23 2019-01-11 筑梦高科建筑有限公司 Super High vertical high voltage cable laying construction technology

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101728790B (en) * 2009-12-29 2012-05-02 广东省工业设备安装公司 Method for laying vertical cables for extra-high building
CN108462117A (en) * 2018-03-02 2018-08-28 北京利华消防工程有限公司 A kind of skyscraper cable-laying gear and its application method
CN108462117B (en) * 2018-03-02 2024-04-12 北京利华消防工程有限公司 High-rise building cable laying device and application method thereof
CN109179217A (en) * 2018-10-23 2019-01-11 筑梦高科建筑有限公司 Super High vertical high voltage cable laying construction technology
CN109179217B (en) * 2018-10-23 2020-04-07 广东博智林机器人有限公司 Super high-rise vertical high-voltage cable laying construction process

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081224

Termination date: 20100118