CN104917098A - Trip pulley capable of automatic locking - Google Patents

Trip pulley capable of automatic locking Download PDF

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Publication number
CN104917098A
CN104917098A CN201510281041.7A CN201510281041A CN104917098A CN 104917098 A CN104917098 A CN 104917098A CN 201510281041 A CN201510281041 A CN 201510281041A CN 104917098 A CN104917098 A CN 104917098A
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CN
China
Prior art keywords
link
coaster
opening
base
pulley
Prior art date
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.)
Granted
Application number
CN201510281041.7A
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Chinese (zh)
Other versions
CN104917098B (en
Inventor
尚东升
房延杰
杨磊
李辉
郭超
王谦
陈鹏程
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Handan Power Supply Co of State Grid Hebei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Handan Power Supply Co of State Grid Hebei Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Handan Power Supply Co of State Grid Hebei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510281041.7A priority Critical patent/CN104917098B/en
Publication of CN104917098A publication Critical patent/CN104917098A/en
Application granted granted Critical
Publication of CN104917098B publication Critical patent/CN104917098B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses a trip pulley capable of automatic locking, belonging to the field of power supply system. The trip pulley comprises a hook and a pulley body, the hook is composed of a pedestal and an inverted U-shaped link on the pedestal, an opening is formed at one side between the link and the pedestal, a pulley wheel I is vertically hinged to the two sides of the link and arranged in the link, the upper end of the link is hinged to a connecting plate which is driven by the self gravity, the end portion of the connecting plate is hinged to an arched locking pin, an arched opening of the locking pin is opposite to the hook, and the other end of the locking pin is sealed by the opening between the link and the pedestal. According to the trip pulley capable of automatic locking, the opening through which leads are output/input in the pulley can be automatically closed and opened, safe work of operation staff is ensured, the operation staff is avoided from the complexity of manual control, and operation is more convenient and rapid.

Description

The fall coaster of automatic blocking
Technical field
The present invention relates to a kind of fall coaster, especially a kind of fall coaster that automatically can realize locking, belongs to electric power system field.
Background technology
Transmission overhead line due to current China overwhelming majority is all be in countryside, wilderness, the electric part of circuit is subject to the impact of electromechanics, weather and environmental pollution, and disconnected stock, insulator null value or the defect such as self-destruction, gold utensil corrosion easily occur for lead wire and earth wire, insulator, gold utensil.Along with China's economic development, each department of national economy comprises people's lives electricity consumption, is proposed the requirement that continuity and reliability are powered.Cause damage in order to avoid power supply enterprise stops power supply to industrial and agricultural production because of equipment test, maintenance and treatment facility defect, make troubles to people's lives, power supply enterprise has carried out live line working to ensure safety, the economical operation of electrical network.Need personnel to climb insulated flexible ladder from the live line working on the wire away from shaft tower and arrive job position.We are suspended to insulated flexible ladder on more than ten meters outstanding skyborne wires by general choice for use fall coaster instrument, and fall coaster is mostly top and arranges one for hanging over the hook on cable, and hook lower end connects one for connecting the coaster of rope ladder.Hook comprises the link on the base of lower end and base, the similar U-shaped structure of turning around of link, there is opening the side that link and base are not connected, link is suspended on cable by opening, base is for connecting coaster, coaster comprises an inverted U support, and fix a pulley in support, rope ladder is slided on pulley by rope.Base and coaster pass through a connecting axle more and are connected, and connecting axle is perpendicular to base and coaster, and therefore coaster can do the rotation of 360 ° by connecting axle relative to base.Fall coaster is the throwing ladder coaster that a distant place, ground controls, use this coaster must take the lead in hanging a thin nylon rope (hanging with weight or life rope gun injection) at wire upthrow, then utilize this nylon rope to be moved to by coaster wire moved to above wire by the mode of " turning a somersault " and go.Coaster hangs over after on wire, and coaster can not split away off from wire to rely on the center of gravity of coaster to ensure.Then terraced head, insulated flexible ladder be hung on wire is transmitted, it is rely on the center of gravity of coaster guarantee coaster can not split away off from wire that fall coaster hangs on wire, after but rope ladder hangs upper conductor, fall coaster is no longer stressed just maintains relaxed state, and have opening between link and base in hook, personnel, when leading on-line operation, easily touch down fall coaster, somersault coaster easily occurs and to fall the risk causing junk to hurt sb.'s feelings.If do not recover normal suspension after the coaster of fall simultaneously drops, operating personnel finishes the work down behind ground, just rope ladder transmission can not be gone back to ground, and operating personnel needs again to climb rope ladder and hangs up properly fall coaster to lead location.So people want to be sealed by opening with a latch.In Chinese patent application (CN201420610615.1), the outer wall of the open side upper end of link is provided with lockweight by chute, but the opening and closing of lockweight are all coordinated by nut and stud, therefore artificial screwing and unclamp is needed, although safety is but quite loaded down with trivial details, therefore the safety of climbing rope ladder personnel how had both been ensured, automatic blocking after the normal use not affecting coaster can allow again fall coaster hang up properly on wire, allow ground staff can control the fall coaster be suspended on wire and extract locking, fall coaster can be allowed to dismantle ground.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of automatic blocking fall coaster, in coaster, the opening of wire turnover can close automatically and open, ensure the safety work of operating personnel, avoid the triviality of staff's Non-follow control, make more convenient to operate and quick.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
The fall coaster of automatic blocking, comprise hook and coaster, hook is made up of the inverted U link on base and base, one side of the U-shaped opening of link is connected with base, opening is left between link another side and base, link upper end thereof a plate, the connecting plate other end is hinged with the lockweight of arc, lockweight and connecting plate are all have rope, the side leaving opening between link and base is provided with the pin hole passed for lockweight, lockweight lower end is provided with the plush copper preventing lockweight from skidding off from pin hole.
The further improvement of technical solution of the present invention is: the side end leaving the side of opening between described link and base is the arcuate structure be bent upwards.
The further improvement of technical solution of the present invention is: described link is provided with the handle hitched for rope.
The further improvement of technical solution of the present invention is: a hinged pulley I between link dual-side.
Owing to have employed technique scheme, the technological progress that the present invention obtains is:
In link, a hinged pulley, facilitates the movement of fall coaster on cable, also reduces the wearing and tearing of fall coaster epidermis that inevitable slip brings to cable on cable simultaneously, prevents electric leakage accident, improve security performance.
The side end leaving the side of opening between link and base is the arcuate structure be bent upwards, and play the guiding role for cable enters fall coaster inside, the opening that cable is entered between link and base is more smooth.
Opening between link and base can seal by lockweight, and lockweight realizes the opening between link and base to seal by gravity, ensures the reliability that fall coaster is connected with cable, avoids dropping of fall coaster, ensure the safety of operating personnel; Pulling the rope tied up in advance on connecting plate after operation can make fall coaster depart from cable, and closing and opening of the opening between link and base all only needs operating personnel in terrestrial operation, avoids people for operation locking pin of ascending a height, convenient to operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of closure state of the present invention;
Fig. 3 is hook structure schematic diagram;
Wherein, 1, hook, 1-1, base, 1-2, link, 1-4, handle, 1-5, pin hole, 2, coaster, 2-1, support, 3, connecting plate, 4, lockweight, 4-1, plush copper, 5, pulley I, 6, pulley II.
Embodiment
Below in conjunction with embodiment, the present invention is described in further details:
As shown in Figure 1, the fall coaster of automatic blocking, comprises hook 1 and coaster 2, and coaster 2 comprises the support 2-1 of an inverted U, is hinged with pulley II 6 in support 2-1, and rope ladder hangs on pulley II 6.Hook 1 comprises a base 1-1, base 1-1 upper end is connected with link 1-2, link 1-2 is the structure of inverted U, a side of the U-shaped opening of link 1-2 is connected with base 1-1, opening is left between another side of link 1-2 and base 1-1, the side end leaving the side of opening between link 1-2 and base 1-1 is the arcuate structure be bent upwards, and the opening that cable is entered between link 1-2 and base 1-1 is more smooth.Link 1-2 is provided with handle 1-4, handle 1-4 is used for tether rope.The top position of handle 1-4 on link 1-2 also arranges a pin hole 1-5.Link 1-2 upper end thereof connecting plate 3, connecting plate 3 is have rope, the lockweight 4 of the hinged arc in connecting plate 3 end, the arc opening of lockweight 4 is relative with hook 1, namely the lockweight 4 arc center of circle and hook 1 are in the same side, and lockweight 4 other end inserts in pin hole 1-5.The outer surface of lockweight 4 is also arranged a plush copper 4-1, plush copper 4-1 prevents lockweight 4 from skidding off in pin hole 1-5.The inner hinged pulley I 5 of link 1-2, pulley I 5 is arranged perpendicular to link 1-2 dual-side, pulley I 5 plays a supportive role on cable for load, facilitate the movement of fall coaster on cable, also reduce the wearing and tearing of fall coaster epidermis that inevitable slip brings to cable on cable simultaneously, prevent electric leakage accident, improve security performance.
The course of work of the present invention is as described below:
First be all a rope on the handle 1-4 and connecting plate 3 of link 1-2, with the rope injection that life rope gun will tie up on handle 1-4, make rope around on cable, operating personnel pull rope to make fall coaster increase, now due to the position reason fall coaster centre-of gravity shift of tether, therefore fall coaster tilts to rise, the side elder generation of the arcuate structure of link 1-2 and conductive cable contacts when fall coaster is near cable, pull on rope, fall coaster under the guide effect of the side of arcuate structure cable by fall coaster between link 1-2 and base 1-1 opening enter in the link 1-2 of fall coaster, namely fall coaster is hung on cable by " turning a somersault " mode.Lockweight 4 moves downward under gravity, namely lockweight 4 moves downward until on base 1-1 below the end of lockweight 1-5 is dropped between link 1-2 and base 1-1 opening along pin hole 1-5, namely the opening between link 1-2 and base 1-1 is sealed, achieve the function of automatic blocking; When fall overturning is removed from cable by needs time, only need to pull the rope in advance tied up on connecting plate 3, lockweight 4 is moved up with connecting plate 3 one pieces, and the opening between link 1-2 and base 1-1 is opened, and continues to pull, and fall is overturned and left from cable.So achieve the automatic unlocking that fall is overturned, avoid people for operation locking pin of ascending a height, convenient to operation.

Claims (4)

1. the fall coaster of automatic blocking, comprise hook (1) and coaster (2), hook (1) is made up of the inverted U link (1-2) on base (1-1) and base (1-1), one side of link (1-2) U-shaped opening is connected with base (1-1), opening is left between link (1-2) another side and base (1-1), it is characterized in that: link (1-2) upper end thereof a plate (3), connecting plate (3) other end is hinged with the lockweight (4) of arc, lockweight (4) and connecting plate (3) are all have rope, the side leaving opening between link (1-2) and base (1-1) is provided with the pin hole (1-5) passed for lockweight (4), lockweight (4) lower end is provided with the plush copper (4-1) preventing lockweight (4) from skidding off from pin hole (1-5).
2. the fall coaster of automatic blocking according to claim 1, is characterized in that: the side end leaving the side of opening between described link (1-2) and base (1-1) is the arcuate structure be bent upwards.
3. the fall coaster of automatic blocking according to claim 1, is characterized in that: described link (1-2) is provided with the handle (1-4) hitched for rope.
4. the fall coaster of automatic blocking according to claim 1, is characterized in that: a hinged pulley I (5) between link (1-2) dual-side.
CN201510281041.7A 2015-05-28 2015-05-28 The fall coaster of automatic blocking Active CN104917098B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510281041.7A CN104917098B (en) 2015-05-28 2015-05-28 The fall coaster of automatic blocking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510281041.7A CN104917098B (en) 2015-05-28 2015-05-28 The fall coaster of automatic blocking

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CN104917098A true CN104917098A (en) 2015-09-16
CN104917098B CN104917098B (en) 2017-07-28

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105186378A (en) * 2015-10-19 2015-12-23 江苏省电力公司南京供电公司 Power transmission line channel crossing protection mechanism
CN105305317A (en) * 2015-12-11 2016-02-03 国网安徽省电力公司淮北供电公司 Tool of suspending insulated flexible ladder on live wires

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08157189A (en) * 1994-12-05 1996-06-18 Shinko Tsushin Kensetsu Kk Metallic wheel having braking function
CN103280733A (en) * 2013-05-28 2013-09-04 国家电网公司 Multifunction tipping bucket pulley
CN204068029U (en) * 2014-05-28 2014-12-31 国家电网公司 Somersault coaster
CN104300428A (en) * 2014-10-19 2015-01-21 国家电网公司 Anti-disengagement turning tackle for power transmission line
CN204304308U (en) * 2014-11-13 2015-04-29 国网河南省电力公司驻马店供电公司 A kind of fall coaster with slip-off preventing column
CN204793837U (en) * 2015-05-28 2015-11-18 国家电网公司 Automatic fall coaster of shutting

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08157189A (en) * 1994-12-05 1996-06-18 Shinko Tsushin Kensetsu Kk Metallic wheel having braking function
CN103280733A (en) * 2013-05-28 2013-09-04 国家电网公司 Multifunction tipping bucket pulley
CN204068029U (en) * 2014-05-28 2014-12-31 国家电网公司 Somersault coaster
CN104300428A (en) * 2014-10-19 2015-01-21 国家电网公司 Anti-disengagement turning tackle for power transmission line
CN204304308U (en) * 2014-11-13 2015-04-29 国网河南省电力公司驻马店供电公司 A kind of fall coaster with slip-off preventing column
CN204793837U (en) * 2015-05-28 2015-11-18 国家电网公司 Automatic fall coaster of shutting

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105186378A (en) * 2015-10-19 2015-12-23 江苏省电力公司南京供电公司 Power transmission line channel crossing protection mechanism
CN105305317A (en) * 2015-12-11 2016-02-03 国网安徽省电力公司淮北供电公司 Tool of suspending insulated flexible ladder on live wires
CN105305317B (en) * 2015-12-11 2018-01-23 国网安徽省电力公司淮北供电公司 Live wire hangs the instrument of insulated flexible ladder

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