CN207566769U - Tulwar formula tower crane amplitude variation trolley anti-break rope protects stop device - Google Patents
Tulwar formula tower crane amplitude variation trolley anti-break rope protects stop device Download PDFInfo
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- CN207566769U CN207566769U CN201721766392.8U CN201721766392U CN207566769U CN 207566769 U CN207566769 U CN 207566769U CN 201721766392 U CN201721766392 U CN 201721766392U CN 207566769 U CN207566769 U CN 207566769U
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- China
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- tulwar
- amplitude variation
- steel wire
- variation trolley
- fixture block
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Abstract
The utility model discloses a kind of tulwar formula tower crane amplitude variation trolley anti-break ropes to protect stop device, the forward and backward tulwar fixture block being respectively hinged at including middle part in the middle part of the forward and backward girder of amplitude variation trolley；Towards the inside of amplitude variation trolley, tail portion leans out amplitude variation trolley and equipped with lateral clump weight and steel wire rope clamp the cutter head of the forward and backward tulwar fixture block；After steel wire rope clamp before the preceding rope of variable-amplitude steel wire rope penetrates on tulwar fixture block, it is locked on the tensioning apparatus of amplitude variation trolley；After the rear rope of variable-amplitude steel wire rope penetrates the steel wire rope clamp on rear tulwar fixture block, lock on the rope sheave of amplitude variation trolley.When tower crane variable-amplitude steel wire rope is broken, there is no tensile forces for variable-amplitude steel wire rope in tulwar fixture block steel wire rope clamp, lateral clump weight drives tulwar fixture block tail portion to move downward rapidly under the effect of gravity, and cutter head is made to lift 80 degree rapidly, the cutter head lifted is inserted into tower crane jib bottom chord, cutter head is collided and is stuck on the horizontal web member of arm support lower edge, and the amplitude variation trolley for losing variable-amplitude steel wire rope control is made to stop rapidly.
Description
Technical field
The utility model belongs to amplitude variation trolley technical field, and in particular to a kind of tulwar formula tower crane amplitude variation trolley anti-break rope is protected
Protect stop device.
Background technology
At present, as skyscraper and civil buildings project under construction are more and more, urban architecture flourishes, horizontal arm tower
Formula crane usage amount and frequency of use increasingly increase, and incident is due to luffing steel wire during frequently using tower crane
Accident is increased caused by fracture of rope, huge to the person and property loss caused by user and construction party.
Invention content
The purpose of this utility model is to provide a kind of simple in structure, reasonable design, effectively variable-amplitude steel wire rope can be avoided to be broken
Caused by accident, reduce user and the construction party person and the protection stop of the tulwar formula tower crane amplitude variation trolley anti-break rope of property loss
Device.
To achieve the above object, the technical solution adopted in the utility model is：The device is respectively hinged at change including middle part
Forward and backward tulwar fixture block in the middle part of the forward and backward girder of width trolley；The cutter head of the forward and backward tulwar fixture block is towards the inside of amplitude variation trolley, tail
Portion leans out amplitude variation trolley and equipped with lateral clump weight and steel wire rope clamp；Steel before the preceding rope of variable-amplitude steel wire rope penetrates on tulwar fixture block
After cord folder, it is locked on the tensioning apparatus of amplitude variation trolley；The rear rope of variable-amplitude steel wire rope penetrates the steel wire rope on rear tulwar fixture block
After folder, lock on the rope sheave of amplitude variation trolley.
Using the above structure, when tower crane works normally, the forward and backward rope of variable-amplitude steel wire rope is respectively through forward and backward tulwar fixture block
It after steel wire rope clamp, then with the tensioning apparatus on amplitude variation trolley and rope sheave connect and is tensioned, the tensile force of variable-amplitude steel wire rope makes tulwar
Tail portion is slightly lifted, and this state is remained when amplitude variation trolley works, and ensures control of the variable-amplitude steel wire rope to amplitude variation trolley.
When tower crane variable-amplitude steel wire rope is broken, there is no tensile force, lateral clump weight exists the variable-amplitude steel wire rope in tulwar fixture block steel wire rope clamp
Tulwar fixture block tail portion is driven to move downward rapidly, and cutter head is made to lift 80 degree rapidly under gravity, the cutter head lifted is inserted into tower
In horn frame lower edge, cutter head is collided and is stuck on the horizontal web member of arm support lower edge, makes the amplitude variation trolley for losing variable-amplitude steel wire rope control fast
Speed stops.Since the utility model can be such that amplitude variation trolley stops rapidly, avoid luffing steel wire when variable-amplitude steel wire rope is broken
Accident caused by fracture of rope reduces user and the construction party person and property loss, ensure that derrick crane in luffing steel
The post-rift safety of cord.The utility model is simple in structure, reasonable design, realizes middle-size and small-size horizontal arm tower crane and is hanging load process
It is dangerous caused by avoiding amplitude variation trolley therefore reason being out of control when if variable-amplitude steel wire rope fracture is met in.Meanwhile the utility model
It fundamentally ensure that safety device is surprisingly lifted when amplitude variation trolley gearshift accelerates, turns to suddenly, and cause tower crane variable amplitude rope
Fracture and arm support string pipe or protective device damage in itself, be effectively guaranteed the peace during work of flat-top tower crane luffing
The reliability of full property and safety device, and the blank of such stop device has been filled up, it is worth extensive and promotes and applies.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the A areas enlarged drawing of Fig. 1；
Fig. 3 is the B areas enlarged drawing of Fig. 1；
Fig. 4 is the utility model normal condition schematic diagram；
Fig. 5 is the utility model guard mode schematic diagram；
Fig. 6 the utility model tulwar fixture block structure diagrams.
Specific embodiment
As shown in the figure, the utility model be respectively hinged at 13,14 middle part of the forward and backward girder of amplitude variation trolley including middle part before,
Tulwar fixture block 2,1 afterwards.The cutter head of the forward and backward tulwar fixture block 2,1 is towards the inside of amplitude variation trolley.Tail portion leans out amplitude variation trolley and sets
There are lateral clump weight 15 and steel wire rope clamp 3.Preceding rope one end of variable-amplitude steel wire rope is locked on amplitude-changing drum, is slided from lower end rope stretching through arm
Wheel, arm head sheave after penetrating the steel wire rope clamp 3 on preceding tulwar fixture block 2, are locked on the tensioning apparatus 7 of amplitude variation trolley.In luffing
The side of trolley is equipped with the monkey wrench 10 for adjusting tensioning apparatus 7, to adjust the elasticity of variable-amplitude steel wire rope.Luffing steel wire
Rear rope one end of rope is locked on amplitude-changing drum, from lower end rope stretching through arm pulley, arm head sheave, penetrates the steel on rear tulwar fixture block 1
After cord folder 3, lock on the rope sheave 9 of amplitude variation trolley.Above-mentioned 2 middle part of preceding tulwar fixture block is hinged on it by axis pin 4 and split pin 5
On preceding angle bar frame 12 before both sides, lower end are fixed on girder 13.1 middle part of tulwar fixture block is cut with scissors by axis pin 4 and split pin 5 afterwards
It is connected on its both sides, lower end is fixed on the rear angle bar frame 11 on rear girder 14.Using axis pin 4 and the connection mode of split pin 5,
It is convenient to assemble and disassemble, easy to repair and replacement.Using angle bar frame structure, the utility model can be effectively reduced in starting protection to becoming
The impact injury of width trolley.One side rake steel bracket 12 of wherein preceding tulwar fixture block 2 inwardly stretches out the side plate as tensioning apparatus 7
6, using this kind of integral structure, safety when the utility model shields can be effectively increased.Forward and backward tulwar fixture block 2,
1 is the tulwar structure that front end is tip, and middle part is equipped with hinge hole 8, and tail portion is equipped with steel wire rope clamp 3 and lateral clump weight 15.
Using this kind of tulwar structure, it ensure that variable-amplitude steel wire rope cutter head when swinging has enough safe swing spaces, the transverse direction of tail portion
Clump weight 15 can also exempt to offset due to the offset of cutter head bending center of gravity, ensure that tulwar fixture block can reach vertical in a free state
State.Meanwhile this kind of structure can also effectively reduce the accident accidentally lifted after relaxing because of variable-amplitude steel wire rope and occur, and increase
Tulwar fixture block cutter head lifts angle and length, increases the blocking surface and insertion depth of cutter head and the horizontal web member of arm support lower edge, increases
Big safety coefficient.
Claims (4)
1. a kind of tulwar formula tower crane amplitude variation trolley anti-break rope protects stop device, it is characterized in that：The device is cut with scissors respectively including middle part
It is connected on the forward and backward girder of amplitude variation trolley（13、14）The forward and backward tulwar fixture block at middle part（2、1）；The forward and backward tulwar fixture block（2、1）Knife
Towards the inside of amplitude variation trolley, tail portion leans out amplitude variation trolley and equipped with lateral clump weight head（15）And steel wire rope clamp（3）；Luffing steel
Tulwar fixture block before the preceding rope of cord penetrates（2）On steel wire rope clamp（3）Afterwards, it is locked at the tensioning apparatus of amplitude variation trolley（7）On；Become
The rear rope of width steel wire rope penetrates rear tulwar fixture block（1）On steel wire rope clamp（3）Afterwards, the rope sheave in amplitude variation trolley is locked（9）On.
2. a kind of tulwar formula tower crane amplitude variation trolley anti-break rope protection stop device according to claim 1, it is characterized in that：Before
Tulwar fixture block（2）Middle part passes through axis pin（4）And split pin（5）It is hinged on its both sides, lower end is fixed on preceding girder（13）On before
Angle bar frame（12）On；Tulwar fixture block afterwards（1）Middle part passes through axis pin（4）And split pin（5）It is hinged on its both sides, lower end is fixed on
Girder afterwards（14）On rear angle bar frame（11）On.
3. a kind of tulwar formula tower crane amplitude variation trolley anti-break rope protection stop device according to claim 1 or 2, feature
It is：Preceding tulwar fixture block（2）A side rake steel bracket（12）It inwardly stretches out as tensioning apparatus（7）Side plate（6）.
4. a kind of tulwar formula tower crane amplitude variation trolley anti-break rope protection stop device according to claim 1 or 2, feature
It is：Forward and backward tulwar fixture block（2、1）It is the tulwar structure that front end is tip, middle part is equipped with hinge hole（8）, tail portion is equipped with steel
Cord is pressed from both sides（3）And lateral clump weight（15）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721766392.8U CN207566769U (en) | 2017-12-18 | 2017-12-18 | Tulwar formula tower crane amplitude variation trolley anti-break rope protects stop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721766392.8U CN207566769U (en) | 2017-12-18 | 2017-12-18 | Tulwar formula tower crane amplitude variation trolley anti-break rope protects stop device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207566769U true CN207566769U (en) | 2018-07-03 |
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ID=62688393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721766392.8U Active CN207566769U (en) | 2017-12-18 | 2017-12-18 | Tulwar formula tower crane amplitude variation trolley anti-break rope protects stop device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207566769U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107814323A (en) * | 2017-12-18 | 2018-03-20 | 抚顺永茂建筑机械有限公司 | Tulwar formula tower crane amplitude variation trolley anti-break rope protects stop device |
-
2017
- 2017-12-18 CN CN201721766392.8U patent/CN207566769U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107814323A (en) * | 2017-12-18 | 2018-03-20 | 抚顺永茂建筑机械有限公司 | Tulwar formula tower crane amplitude variation trolley anti-break rope protects stop device |
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