CN106760891B - A kind of steel tube tower cross-arm installation equipment - Google Patents
A kind of steel tube tower cross-arm installation equipment Download PDFInfo
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- CN106760891B CN106760891B CN201611026440.XA CN201611026440A CN106760891B CN 106760891 B CN106760891 B CN 106760891B CN 201611026440 A CN201611026440 A CN 201611026440A CN 106760891 B CN106760891 B CN 106760891B
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- arm
- cross
- wheel
- cam
- falling mechanism
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Movable Scaffolding (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
A kind of steel tube tower cross-arm installation equipment belongs to electric power tower technical field, and steel tower construction work lacks the auxiliary of traditional hanging device in field, or exhales title height in tens meters of height, and common crane at all can not operation.In order to overcome disadvantages described above, it devises a kind of including the cross-arm of hoisting mechanism and anti-falling mechanism installation equipment, when installation, on the basis of elevator motor output shaft elevator line wheel is bolted on, then wirerope is pulled out from elevator line wheel by construction personnel, around the reverse wheel at the top of tower body, wirerope is put down again, ground construction personnel are by the threading hole of cam in the second fall arrest on steel wire penetrating mounting surface, it is installed in the second fall arrest by bolt by support arm is installed, cross-arm is mounted on installation support arm again finally by lifting lug.Start elevator motor, installation support arm can rise with cross-arm, until running to the position of cross-arm seat, can be installed together cross-arm and cross-arm seat by cross-arm mounting hole at this time.
Description
Technical field
The present invention relates to electric power tower technical field, specifically a kind of steel tube tower cross-arm installs equipment.
Background technique
In recent years, with the tremendous development of China's electric utility, electric power pylon industry is increasingly prosperous, and steel tube tower is exactly to transmit electricity
Important a part in steel tower, currently, when carrying out steel tube tower construction, cross-arm installation is the work of a unusual challenge, by
In most steel tower construction work in field, lack the auxiliary of traditional hanging device, or height is in tens meters of height, it is general
Logical crane at all can not operation, encounter such case, helicopter can only be used to lift cross-arm and install, this is for peace
The technical level of dress personnel proposes very high requirement, and mounting cost is also very huge.
Meanwhile transmission line high-altitude operation, be primarily referred to as on iron tower of power transmission line and cement pole carry out human body displacement, on
Capable or downlink activity.For steel tower, the foot nail or ladder generally relied on setting steel tower steel pipe is displaced, and is being moved through
Safety belt can not achieve real-time, whole protective effect in journey, therefore operating personnel carries out high-altitude mobile operational process on steel tower, must
It must accomplish that spiritual high concentration, foot-operated real, hand grab steady, climbing coordination and prevent the burst hidden danger being likely to occur.
Summary of the invention
Technical assignment of the invention is to solve the deficiencies in the prior art, provides a kind of steel tube tower cross-arm installation equipment.
The technical solution adopted by the present invention to solve the technical problems is:
The core of the design is that a set of cross-arm promotion and mounting device are made up of demountable components, is mainly solved
Technical problem include:
1) ensuring method of cross-arm its track grazing in uphill process.
2) after cross-arm reaches cross-arm seat installation site, the ensuring method of morphological stability is installed.
In order to solve two above technical problem, a kind of steel tube tower cross-arm installation equipment of design includes hoisting mechanism
And anti-falling mechanism, anti-falling mechanism include main body, there is cam mounting groove, pinhole of camshaft and pulley mounting groove in main body, it is convex
It takes turns and cam is installed in mounting groove, there are two through-hole, axis passes through a through-hole and is inserted into pinhole of camshaft for cam and convex cam
Mounting groove connection is taken turns, another through-hole passes through wirerope and connect with the cross-arm lifted；Installation rear-wheel is with before in pulley mounting groove
Wheel, rear-wheel and front-wheel are fixed by pulley pin；Main body has dovetail groove.
Preferably, pinhole of camshaft and axis constitute clearance fit.
Preferably, rear-wheel and front-wheel are fixed on the body by pulley pin, and the pulley pin and ontology are constituted and be interference fitted.
Preferably, perforation before and after dovetail groove in main body.
Preferably, the diameter dimension of rear-wheel and front-wheel should ensure that being installed rear-wheel face is fitted in T-type rail during fabrication
On road.
Front-wheel is installed, front-wheel is fixed by pinch roller pin, installs torsional spring on pinch roller pin in anti-falling mechanism main body.
Preferably, the flexible two sides of torsional spring are separately fixed in main body dovetail groove on upper groove surface and the medial surface of pinch roller
On, torsional spring center passes through axis.
Preferably, during cross-arm rises, cam remains the state upwarped.
Hoisting mechanism includes T-type guide rail, and T type guide rail is fixed on tower body by angle steel fixing seat, and tower body top is logical
It crosses bolt and fixes the first reverse wheel and the second reverse wheel, the first reverse wheel and the second reverse wheel can be around commutation wheel shaft rotations.
Preferably, T-type track is to be spliced, and is provided with splicing hole on the track of stitching portion, adjacent track by connecting plate and
Bolt is fixed.
The installation site of T-type guide rail is located at the underface of cross-arm seat, installs the first fall arrest and on two side rails respectively
Two fall arrests.
Preferably, support arm mounting hole is provided in the main body of the first anti-falling mechanism and the second anti-falling mechanism.
Hoisting mechanism includes elevator motor, the output axis connection pull wire wheel of elevator motor, and elevator line wheel passes through branch
Frame is fixed on concrete pedestal, elevator line wheel winding wire ropes, and wirerope is connected to around the first reverse wheel and the second reverse wheel
On second anti-falling mechanism.
Preferably, wirerope is only passed through on the anti-falling mechanism of work surface, the anti-falling mechanism of non-work surface does not use.
Preferably, fluted on elevator wheel, the wirerope for folding and unfolding is stored in groove.
Second anti-falling mechanism is bolted installation support arm, and installation support arm is round steel, there is lifting lug on round steel, and cross-arm is logical
It crosses lifting lug and realizes hanging.
Generated beneficial effect is a kind of steel tube tower cross-arm installation equipment of the invention compared with prior art:
(1) it by the way that Lift-on/Lift-off System can be assembled into the assembly of mutual disassembly, realizes in such as high mountain, water beach etc. is severe
Installation exercise under mounting condition saves the expensive expense using helicopter, also facilitates the repair and maintenance in later period.
(2) anti-falling mechanism can also be used as the safety prevention measure of construction personnel, guarantee the personal safety of construction personnel,
It is truly realized a set of equipment multiple use.
(3) complete equipment structure is simple, easy for installation, and cost is lower, detachably, is convenient for carrying, and is suitble to field work.
Detailed description of the invention
Attached drawing 1 is structure of the invention three-dimensional figure；
Attached drawing 2 is structure of the invention main view and partial enlarged view；
Attached drawing 3 is structure of the invention cross-arm partial enlarged view；
Attached drawing 4 is structure of the invention anti-falling mechanism main view；
Attached drawing 5 is structure of the invention anti-falling mechanism top view；
Attached drawing 6 is structure of the invention anti-falling mechanism cross-sectional view；
In figure:
1, main body, 2, cam, 3, rear-wheel, 4, pulley pin, 5, front-wheel, 6, pinch roller, 7, pinch roller pin, 8, axis, 9, torsional spring,
10, dovetail groove, 11, cross-arm seat, 12, gusset, 13, cross-arm, 14, T type guide rail, 15, elevator motor, 16, elevator line wheel, 17,
First anti-falling mechanism, 18, wirerope, 19, commutation wheel shaft, the 20, first reverse wheel, the 21, second reverse wheel, 22, cam clamping
Position, 23, the normal position of cam, the 24, second anti-falling mechanism, 25, installation support arm, 26, lifting lug, 27, cross-arm mounting hole, 28, cam
Mounting groove, 29, pinhole of camshaft, 30, pulley mounting groove, 31, tower body.
Specific embodiment
Core of the invention technical idea is that the constraint of cross-arm rising trace is realized by T-type guide rail, when lifting rope
The locking of cross-arm position is realized in friction when fracture or installation by cam and T-type guide rail inverted running.
Below with reference to Fig. 4 and Fig. 5, the first embodiment of the present invention is described in detail below.
A kind of steel tube tower cross-arm installation equipment, including hoisting mechanism and anti-falling mechanism, anti-falling mechanism include master
Body 1 has cam mounting groove 28, pinhole of camshaft 29 and pulley mounting groove 30 in main body 1, installs cam in cam mounting groove 28
2, there are two through-hole, axis 8 is inserted into pinhole of camshaft 29 across a through-hole and connects cam 2 and cam mounting groove 28 cam 2
It connects, another through-hole passes through wirerope and connect with the cross-arm 13 lifted；Installation rear-wheel 3 and front-wheel 5 in pulley mounting groove 30, after
Wheel 3 and front-wheel 5 are fixed by pulley pin；There is dovetail groove 10 in main body 1.
Further, pinhole of camshaft and axis constitute clearance fit.
Further, rear-wheel and front-wheel are fixed on the body by pulley pin, and the pulley pin and ontology are constituted and be interference fitted.
Further, perforation before and after dovetail groove in main body.
Further, the diameter dimension of rear-wheel and front-wheel should ensure that being installed rear-wheel face is fitted in T-type rail during fabrication
On road.
Below with reference to Fig. 6 and Fig. 7, the second embodiment of the present invention is described in detail below.
Front-wheel 5 is installed, front-wheel 5 is fixed by pinch roller pin 7, and torsional spring 9 is installed on pinch roller pin 7 in main body 1.
Further, the flexible two sides of torsional spring are separately fixed in main body dovetail groove on upper groove surface and the medial surface of cam
On, torsional spring center passes through axis.
Further, during cross-arm rises, cam remains the state upwarped.
Further, torsional spring should be placed in the dovetail conduit of main body first when installation, is then packed into cam, so that torsional spring
Side is stuck in dovetail groove upper surface, and side is withstood on cam, then passes through axis, in this way under the elastic force effect of torsional spring, cam
Remain the state upwarped.
Below with reference to Fig. 1, Fig. 2 and Fig. 3, the third embodiment of the present invention is described in detail below.
Hoisting mechanism includes T-type guide rail, and T-type guide rail is fixed on tower body 31,31 top of tower body by angle steel fixing seat
It is bolted the first reverse wheel 20 and the second reverse wheel 21, the first reverse wheel 20 and the second reverse wheel 21 can be around commutations
Wheel shaft 19 rotates.
Further, T-type track is to be spliced, and is provided with splicing hole on the track of stitching portion, adjacent track by connecting plate and
Bolt is fixed.
The installation site of T-type guide rail is located at the underface of cross-arm seat 11, installs the first fall arrest machine on two side rails respectively
Structure 17 and the second anti-falling mechanism 24.
Further, there is support arm mounting hole in the main body of the first anti-falling mechanism and the second anti-falling mechanism.
Hoisting mechanism includes elevator motor 15, and 15 output shaft elevator line wheel 16 of elevator motor, elevator line wheel 16 passes through
Bracket is fixed on concrete pedestal, 16 winding wire ropes 18 of elevator line wheel, and wirerope is around the first reverse wheel 20 and the second commutation
Wheel 21 is connected on the second anti-falling mechanism 24.
Second anti-falling mechanism 24 is bolted installation support arm 25, and installation support arm 25 is round steel, has lifting lug on round steel
26, claim 1 cross-arm 13 is realized by lifting lug and is hung.
Further, wirerope is only passed through on the falling proof device of work surface, the falling proof device of non-work surface does not use.
Further, fluted in elevator line wheel 16, the wirerope for folding and unfolding is stored in groove.
The top of tower body has been welded in steel tube tower factory for the first reverse wheel 20 and the second reverse wheel 21.
When carrying out cross-arm installation, 15 output shaft elevator line wheel 16 of elevator motor is bolted on cement base first
On plinth, then wirerope is pulled out from elevator line wheel 16 by construction personnel, around the first reverse wheel 20 and second at the top of tower body
Reverse wheel 21, then wirerope is put down, it will be in the second anti-falling mechanism on steel wire penetrating mounting surface by ground construction personnel
The threading hole of cam.
It is installed on the second anti-falling mechanism 24 at this point, ground staff passes through bolt first by support arm 25 is installed, then leads to
It crosses lifting lug 26 cross-arm 13 is mounted on installation support arm 25.
Finally, starting elevator motor 15, driven by the motor, installation support arm 25 can rise with cross-arm 13, until fortune
Row arrives the position of cross-arm seat 11, can be installed together cross-arm 13 and cross-arm seat 11 by cross-arm mounting hole 27 at this time.
The operation mechanism of anti-falling mechanism is, when cam 2 does not stress or when stress very little, in the twisting force of torsional spring 9
Under, anti-falling mechanism can be stuck on T-type track and remain stationary, and after carry cross-arm, anti-falling mechanism is applied on T-type guide rail
Downward active force is very big, and since cam 2 is a kind of ellipsoidal structure, when stress be can rotate, so that elliptical longitudinal end clamping
On T-type track, downward stress is bigger, and anti-falling mechanism is locked more secured, ensure that cross-arm 13 is installed to cross-arm seat 1
When, the reliability of punching is also possible to prevent the danger fallen when construction personnel's operation.
To sum up, the contents of the present invention are not limited in the above embodiments, and those skilled in the art can be in the present invention
Guiding theory within propose other embodiments, but these embodiments are included within the scope of the present invention.
Claims (2)
1. a kind of steel tube tower cross-arm installs equipment, including hoisting mechanism and anti-falling mechanism, which is characterized in that described anti-fall
Falling mechanism includes main body (1), there is cam mounting groove (28), pinhole of camshaft (29) and pulley mounting groove on the main body (1)
(30), cam (2) are installed in the cam mounting groove (28), there are two through-hole, axis (8) passes through one and leads to the cam (2)
Hole is inserted into the pinhole of camshaft (29) and connects cam (2) and cam mounting groove (28), another through-hole passes through wirerope
It is connect with the cross-arm (13) lifted；Installation rear-wheel (3) and front-wheel (5) in the pulley mounting groove (30), the rear-wheel (3) and
Front-wheel (5) is fixed by pulley pin；There are dovetail groove (10) on the main body (1)；Front-wheel (5) are installed on the main body (1), it is described
Front-wheel (5) is fixed by pinch roller pin (7), installs torsional spring (9) on the pinch roller pin (7), the flexible two sides difference of torsional spring (9)
It is fixed on the upper groove surface of main body dovetail groove (10) and the medial surface of cam (2), the center of torsional spring (9) passes through axis (8)；The volume
The descending mechanism that rises includes T-type guide rail (14), and the T-type guide rail (14) is fixed on tower body (31), the tower by angle steel fixing seat
Body (31) top is bolted the first reverse wheel (20) and the second reverse wheel (21), first reverse wheel (20) and second
Reverse wheel (21) can be around commutation wheel shaft (19) rotation；The installation site of the T-type guide rail (14) is located at cross-arm seat (11)
The first anti-falling mechanism (17) and the second anti-falling mechanism (24) are installed on two side rails in underface respectively, and in use process
In, one only in the first anti-falling mechanism (17) and the second anti-falling mechanism (24) in work surface passes through wirerope,
Falling proof device in non-work surface does not use simultaneously；Second anti-falling mechanism (24) is bolted installation support arm (25),
The installation support arm (25) is round steel, is had lifting lug (26) on round steel, and the cross-arm (13) realizes hanging by the lifting lug；It is described
Cam (2) is ellipsoidal structure, and the torsional spring (9) is for keeping the cam (2) to be stuck in the T-type guide rail (14) when not stressing
On, the T-type guide rail (14) is used to constrain the grazing of the rising trace of cross-arm to guarantee cross-arm track in uphill process, when
The cam is with the friction when T-type guide rail inverted running for realizing cross-arm position when lifting cord break or installation cross-arm
The locking set；Clearance fit between pinhole of camshaft and axis is interference fit between pulley pin and ontology, passes through before and after dovetail groove
Wear main body.
2. a kind of steel tube tower cross-arm according to claim 1 installs equipment, which is characterized in that hoisting mechanism packet
It includes elevator motor (15), the output axis connection pull wire wheel (16) of the elevator motor (15), the elevator line wheel (16) passes through
Bracket is fixed on concrete pedestal, elevator line wheel (16) winding wire ropes (18), and the wirerope bypasses the first reverse wheel
(20) it is connected on the second anti-falling mechanism (24) with the second reverse wheel (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611026440.XA CN106760891B (en) | 2016-11-22 | 2016-11-22 | A kind of steel tube tower cross-arm installation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611026440.XA CN106760891B (en) | 2016-11-22 | 2016-11-22 | A kind of steel tube tower cross-arm installation equipment |
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| Publication Number | Publication Date |
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| CN106760891A CN106760891A (en) | 2017-05-31 |
| CN106760891B true CN106760891B (en) | 2019-11-15 |
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| CN201611026440.XA Active CN106760891B (en) | 2016-11-22 | 2016-11-22 | A kind of steel tube tower cross-arm installation equipment |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476634A (en) * | 2017-08-04 | 2017-12-15 | 国网江苏省电力公司盐城供电公司 | A kind of adjustable for height tower bar of cross-arm |
| CN107448053A (en) * | 2017-08-04 | 2017-12-08 | 国网江苏省电力公司盐城供电公司 | A kind of tower bar tilts monitoring bracing means |
| TW201909961A (en) * | 2017-08-10 | 2019-03-16 | 美商3M新設資產公司 | Fall arresting device event generation and monitoring |
| CN114934711B (en) * | 2022-05-26 | 2023-06-23 | 国网山东省电力公司郓城县供电公司 | Electric power cross arm |
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| CN204848091U (en) * | 2015-08-03 | 2015-12-09 | 国家电网公司 | Steel sheet cross arm hoisting accessory |
| CN205681012U (en) * | 2016-06-13 | 2016-11-09 | 江西电力职业技术学院 | Live working platform for overhead transmission line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE4312087A1 (en) * | 1992-04-10 | 1993-10-14 | Guy Galtier | Safety system for use when climbing structures - has user-wear harness with loop connections to safety line run along length of tower and readily repositioned. |
| FR2820641A1 (en) * | 2001-02-14 | 2002-08-16 | Sk | MOBILE FALL PROTECTION FOR LOCKING SUPPORT |
| CN2853103Y (en) * | 2005-12-28 | 2007-01-03 | 张敏 | Self locking device of tower rail |
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| Publication number | Publication date |
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| CN106760891A (en) | 2017-05-31 |
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Effective date of registration: 20191022 Address after: 529000 Building 2, No. 13, Yongda first road, Pengjiang district, Jiangmen City, Guangdong Province Applicant after: Jiangmen electric power transmission and transformation Co., Ltd. Address before: 430065 Hubei Province, Wuhan city Hongshan District HUANGJIAHU Road No. 3 Applicant before: Dong Ya Lun |
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