CN108946528A - A kind of derrick crane trolley rope broken protector - Google Patents
A kind of derrick crane trolley rope broken protector Download PDFInfo
- Publication number
- CN108946528A CN108946528A CN201810872529.0A CN201810872529A CN108946528A CN 108946528 A CN108946528 A CN 108946528A CN 201810872529 A CN201810872529 A CN 201810872529A CN 108946528 A CN108946528 A CN 108946528A
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- CN
- China
- Prior art keywords
- rope
- plate
- runner
- derrick crane
- crane trolley
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention discloses a kind of derrick crane trolley rope broken protectors, including top plate, buffer spring, second rope and dead turn, pulley blocks are fixedly connected on the upside of the top plate, and the first rope is slidably connected on the inside of pulley blocks, the right side port of first rope is inlaid with engagement plate, and the bottom end of engagement plate is connected with pitman, position is fixedly connected among the downside of the pitman and the top of friction eceleration plate, locating rod is installed at the two sides port of the buffer spring, rope rotating disc is hinged on the right side of second rope, the intermediate position of the rope rotating disc and the inside of turntable positioning plate rotate and connect.The present invention is by being provided with two second ropes; to prevent object after the disconnected rope of rope generation to be detached from the situation involved, when dead turn breakage, friction eceleration plate falls naturally; and to the first runner and the rubbing action simultaneously of the second runner, reduction of speed protection work can be efficiently carried out.
Description
Technical field
The present invention relates to technical field of crane equipment, specially a kind of derrick crane trolley rope broken protector.
Background technique
Derrick crane abbreviation tower crane, also known as tower crane, originate from West Europe, and swing arm is mounted in the rotation lifting on towering tower body top
Machine, working space is big, is mainly used for the vertically and horizontally conveying and the installation of building element of material in housing construction, by gold
Belong to structure, operating mechanism and electrical system three parts composition, metal structure includes tower body, swing arm and pedestal etc., and operating mechanism has
Raising, four parts of luffing, revolution and walking, electrical system includes motor, controller, power distribution cabinet, connection line, signal and photograph
Bright device etc., trolley rope broken protector are the important components of crane, can carry out reduction of speed guarantor to the hanging object after disconnected rope
Nurse makees, and traditional trolley rope broken protector core mainly passes through limiter of speed and protected, but traditional limiter of speed is not
It can intuitively observe damaged condition, to increase the use security risk of device, easily cause big safety accident, and do not have
It is provided with multiple damping, buffering structure, so that device easily collides damage to device when carrying out reduction of speed protection, is sent out simultaneously
The part damaged after raw reduction of speed protection removes and installs work and is inconvenient, therefore and impracticable.
Summary of the invention
The purpose of the present invention is to provide a kind of derrick crane trolley rope broken protectors, to solve above-mentioned background skill
The traditional limiter of speed proposed in art can not intuitively observe damaged condition, thus increase device using safe hidden
Suffer from, be not provided with multiple damping, buffering structure, the part for occurring to damage after reduction of speed protection removes and installs work and is inconvenient
The problems such as.
To achieve the above object, the invention provides the following technical scheme: a kind of derrick crane is filled with trolley breaking rope protecting
It sets, including top plate, buffer spring, the second rope and dead turn, is fixedly connected with pulley blocks, and pulley blocks on the upside of the top plate
Inside slidably connect the first rope, the right side port of first rope is inlaid with engagement plate, and the bottom end of engagement plate is solid
It is connected to pitman, position is fixedly connected among the downside of the pitman and the top of friction eceleration plate, the buffer spring
Locating rod is installed, and the outside of locating rod is fixedly connected with top plate at the port of two sides, is hinged on the right side of second rope
Rope rotating disc, the intermediate position of the rope rotating disc and the inside of turntable positioning plate rotate and connect, and rope rotating disc
Outside is connected with the first runner, and idler wheel, and the right side of the first runner and the second runner tooth are provided on the downside of first runner
Connection is closed, the intermediate position of the dead turn is enclosed with the second rope, and the top of dead turn is connected with the first rope.
Preferably, the bottom end of the pitman is equipped with screw thread notch, and pitman passes through screw thread notch and friction eceleration plate
Top be rotation linking structure.
Preferably, the bottom end of the friction eceleration plate is equipped with groove type brake block, and the internal diameter width of groove type brake block
Greater than the outside width of the first runner and the second runner.
Preferably, the turntable positioning plate includes fixed block, damping spring, baffle and hold-down bars, the fast right side of the fixation
Side is connected with damping spring, and baffle is equipped on the right side of damping spring, and position is provided with hold-down bars among the right side of baffle.
Preferably, the right side of the baffle is equipped with circular groove, and the both ends of the circular groove internal diameter and hold-down bars
Outer diameter is identical.
Preferably, the dead turn is set as hollow type structure, and the outer diameter ruler of the internal diameter of dead turn and the second rope
It is very little identical.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention is by being provided with two second ropes, to prevent object after the disconnected rope of rope generation to be detached from the shape involved
Condition, when dead turn breakage, friction eceleration plate falls naturally, and to the first runner and the rubbing action simultaneously of the second runner, can
The efficient reduction of speed that carries out protects work, and the integrality of device can be observed directly, and meeting nature carries out friction protection work when impaired, with
Traditional limiter of speed indetectable problem when damaging is prevented, so that the safety in utilization of device is more preferable.
(2) present invention, can be respectively to the first runner, the second runner and rank by being provided with damping spring and buffer spring
Fishplate bar carries out deceleration buffer work, to reduce the damage to collide when the protection of unexpected reduction of speed.
(3) present invention, can will be new after reduction of speed protection by being provided with detachable baffle and friction eceleration plate
Baffle is inserted into turntable positioning plate, and then rotation replaces with that new friction eceleration plate is i.e. reusable, and use is very convenient, and
It operates relatively simple.
Detailed description of the invention:
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is structure schematic elevation view of the invention；
Fig. 2 is the part A enlarged structure schematic diagram in Fig. 1 of the present invention；
Fig. 3 is turntable positioning plate structure schematic diagram of the invention.
In figure: 1, top plate；2, pulley blocks；3, the first rope；4, engagement plate；5, pitman；6, friction eceleration plate；7, it buffers
Spring；8, locating rod；9, the second rope；10, rope rotating disc；11, turntable positioning plate；111, fixed block, 112, damping spring,
113, baffle, 114, hold-down bars, the 12, first runner；13, idler wheel；14, the second runner；15, dead turn.
Specific embodiment:
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, a kind of embodiment provided by the invention:
A kind of derrick crane trolley rope broken protector, including top plate 1, buffer spring 7, the second rope 9 and friction
Circle 15, the upside of top plate 1 is fixedly connected with pulley blocks 2, and the inside of pulley blocks 2 slidably connects the first rope 3, the first rope
3 right side port is inlaid with engagement plate 4, and the bottom end of engagement plate 4 is connected with pitman 5, the downside of pitman 5 and friction eceleration
Position is fixedly connected among the top of plate 6, and the bottom end of pitman 5 is equipped with screw thread notch, and pitman 5 passes through screw thread notch and rubs
The top for wiping flap 6 is rotation linking structure, after friction eceleration plate 6 declines to the first runner 12 and the second runner 14 into
Row friction eceleration can be by carrying out rotation disassembly with pitman 5 after friction eceleration plate 6 is used, and replaces with new friction and subtract
Fast plate 6 is worked, the disassembly of the part of device with more change jobs more convenient, the bottom end of friction eceleration plate 6 is equipped with groove
Shape brake block, and the internal diameter width of groove type brake block is greater than the outside width of the first runner 12 and the second runner 13, can incite somebody to action
First runner 12 and the second runner 13 cover completely carries out friction eceleration work, so that the reduction of speed protection working effect of device is more
It is good, locating rod 8 is installed, and the outside of locating rod 8 is fixedly connected with top plate 1 at the two sides port of buffer spring 7, the second rope
9 right side is hinged with rope rotating disc 10, and the intermediate position of rope rotating disc 10 and the inside of turntable positioning plate 11 rotate and connect,
And the outside of rope rotating disc 10 is connected with the first runner 12.
Explanation 3 is it is found that turntable positioning plate 11 includes fixed block 111, damping spring 112, baffle 113 and fixes with reference to the accompanying drawings
Stick 114, fixed fast 111 right side is connected with damping spring 112, and the right side of damping spring 112 is equipped with baffle 113, baffle
Position is provided with hold-down bars 114 among 113 right side, and the second rope 9 is provided with two altogether, after a wherein disconnected rope, device
Retarding braking is carried out, subsequent second rope 9 can pull the first runner 12 and the second runner 14 moves downward, by being provided with damping
Spring 112 can effectively reduce the vibration damage that device is subject to, and the right side of baffle 113 is equipped with circular groove, and the circular groove
Internal diameter is identical as the both ends outer diameter of hold-down bars 114, when hold-down bars 114 by the first runner 12 and the second runner 14 to
When left impact force, hold-down bars 114 understands impingement baffles 13 and makes baffle 13 damaged, and subsequent hold-down bars 114 strikes damping spring
Damping work is carried out on 112, effectively reduces the damage that the first runner 12 and the second runner 14 are subject to.
The downside of first runner 12 is provided with idler wheel 13, and the right side of the first runner 12 and the ratcheting connection of the second runner 14,
The intermediate position of dead turn 15 is enclosed with the second rope 9, and the top of dead turn 15 is connected with the first rope 3, and dead turn 15 is set
For hollow type structure, and the internal diameter of dead turn 15 is identical as the outer diameter of the second rope 9, one in the second rope 9
When item is broken, remaining second rope 9 can be pullled rapidly to the left, and the second rope 9 is rapidly pullled so that rubbing
Circle 15 is broken, and the first rope 3 that dead turn 15 is attached thereto after being broken moves right, and engagement plate 4 and friction eceleration plate 6 exist
It is moved downward under the action of natural gravity, so that friction eceleration plate 6 carries out rubbing action to the first runner 12 and the second runner 14,
Work is protected to which device is carried out reduction of speed.
When friction eceleration plate 6 carries out rubbing action to the first runner 12 and the second runner 14, the second rope 9 is by first turn
Wheel 12 and the second runner 14 involve to the left, and friction eceleration plate 6 moves downward therewith, and engagement plate 4 and buffer spring 7 is driven to carry out
Collision, buffer spring 7 can effectively reduce engagement plate 4 to impact force caused by top plate 1, so that the safety in utilization of device is more
New baffle 113 after the completion of braking, can be inserted into turntable positioning plate 11, then rotation replaces with new friction eceleration plate 6 by height
It is i.e. reusable.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
1. a kind of derrick crane trolley rope broken protector, including top plate (1), buffer spring (7), the second rope (9) and
Dead turn (15), it is characterised in that: be fixedly connected with pulley blocks (2) on the upside of the top plate (1), and the inside of pulley blocks (2)
It slidably connecting the first rope (3), the right side port of first rope (3) is inlaid with engagement plate (4), and engagement plate (4)
Bottom end is connected with pitman (5), and position is fixedly connected among the downside of the pitman (5) and the top of friction eceleration plate (6),
It is equipped with locating rod (8) at the two sides port of the buffer spring (7), and the outside of locating rod (8) and top plate (1) fixed company
Connect, be hinged with rope rotating disc (10) on the right side of second rope (9), the intermediate position of the rope rotating disc (10) with turn
The inside of disk positioning plate (11) rotates connection, and the first runner (12) are connected on the outside of rope rotating disc (10), and described first
It is provided on the downside of runner (12) idler wheel (13), and the right side of the first runner (12) and the second runner (14) ratcheting connection, it is described
The intermediate position of dead turn (15) is enclosed with the second rope (9), and the top of dead turn (15) is connected with the first rope (3).
2. a kind of derrick crane trolley rope broken protector according to claim 1, it is characterised in that: the connection
The bottom end of stick (5) is equipped with screw thread notch, and pitman (5) is that rotation connects by the top of screw thread notch and friction eceleration plate (6)
Connect formula structure.
3. a kind of derrick crane trolley rope broken protector according to claim 1, it is characterised in that: the friction
The bottom end of flap (6) is equipped with groove type brake block, and the internal diameter width of groove type brake block is greater than the first runner (12) and the
The outside width of two runners (13).
4. a kind of derrick crane trolley rope broken protector according to claim 1, it is characterised in that: the turntable
Positioning plate (11) includes that fixed block (111), damping spring (112), baffle (113) and hold-down bars (114), the fixation are fast
(111) it is connected on the right side of damping spring (112), and baffle (113) is installed on the right side of damping spring (112), baffle (113)
Right side among position be provided with hold-down bars (114).
5. a kind of derrick crane trolley rope broken protector according to claim 4, it is characterised in that: the baffle
(113) right side is equipped with circular groove, and the circular groove internal diameter is identical as the both ends outer diameter of hold-down bars (114).
6. a kind of derrick crane trolley rope broken protector according to claim 1, it is characterised in that: the friction
Circle (15) is set as hollow type structure, and the internal diameter of dead turn (15) is identical as the outer diameter of the second rope (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810872529.0A CN108946528B (en) | 2018-08-02 | 2018-08-02 | Trolley rope breakage protection device for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810872529.0A CN108946528B (en) | 2018-08-02 | 2018-08-02 | Trolley rope breakage protection device for tower crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108946528A true CN108946528A (en) | 2018-12-07 |
| CN108946528B CN108946528B (en) | 2020-09-11 |
Family
ID=64467425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810872529.0A Active CN108946528B (en) | 2018-08-02 | 2018-08-02 | Trolley rope breakage protection device for tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108946528B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332968A (en) * | 2020-03-26 | 2020-06-26 | 浦江培咯电子科技有限公司 | Overload protection steering crane |
| CN112591302A (en) * | 2020-11-12 | 2021-04-02 | 中船澄西船舶修造有限公司 | Burst wind tower transports frock |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2373427Y (en) * | 1999-08-11 | 2000-04-12 | 田焜 | Rope-breaking anti-fall device for hoister |
| CN201240792Y (en) * | 2008-06-29 | 2009-05-20 | 山东齐泰实业集团股份有限公司 | Broken rope processing apparatus for tower crane overhead pulley derricking trolley |
| CN203474331U (en) * | 2013-08-27 | 2014-03-12 | 中国建筑第七工程局有限公司 | Rope breaking prevention device for traveling trolley of tower crane |
| CN203877807U (en) * | 2014-05-23 | 2014-10-15 | 山东华联矿业股份有限公司 | Rope loosening protective device of winding type hoister |
| CN203998745U (en) * | 2014-07-15 | 2014-12-10 | 重庆大江本大工程机械有限责任公司 | The tower machine suspension hook disconnected rope anti-drop device of rushing to summit |
-
2018
- 2018-08-02 CN CN201810872529.0A patent/CN108946528B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2373427Y (en) * | 1999-08-11 | 2000-04-12 | 田焜 | Rope-breaking anti-fall device for hoister |
| CN201240792Y (en) * | 2008-06-29 | 2009-05-20 | 山东齐泰实业集团股份有限公司 | Broken rope processing apparatus for tower crane overhead pulley derricking trolley |
| CN203474331U (en) * | 2013-08-27 | 2014-03-12 | 中国建筑第七工程局有限公司 | Rope breaking prevention device for traveling trolley of tower crane |
| CN203877807U (en) * | 2014-05-23 | 2014-10-15 | 山东华联矿业股份有限公司 | Rope loosening protective device of winding type hoister |
| CN203998745U (en) * | 2014-07-15 | 2014-12-10 | 重庆大江本大工程机械有限责任公司 | The tower machine suspension hook disconnected rope anti-drop device of rushing to summit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332968A (en) * | 2020-03-26 | 2020-06-26 | 浦江培咯电子科技有限公司 | Overload protection steering crane |
| CN111332968B (en) * | 2020-03-26 | 2020-09-15 | 浦江培咯电子科技有限公司 | Overload protection steering crane |
| CN112591302A (en) * | 2020-11-12 | 2021-04-02 | 中船澄西船舶修造有限公司 | Burst wind tower transports frock |
| CN112591302B (en) * | 2020-11-12 | 2022-05-20 | 中船澄西船舶修造有限公司 | Burst wind tower transports frock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108946528B (en) | 2020-09-11 |
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