CN208932801U - Tower crane stake bracing means - Google Patents
Tower crane stake bracing means Download PDFInfo
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- CN208932801U CN208932801U CN201821343474.6U CN201821343474U CN208932801U CN 208932801 U CN208932801 U CN 208932801U CN 201821343474 U CN201821343474 U CN 201821343474U CN 208932801 U CN208932801 U CN 208932801U
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- counterweight
- tower crane
- counter
- jib
- suspension hook
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Abstract
The utility model relates to tower crane construction fields, in particular to a kind of tower crane stake bracing means, including tower body, boom and counter-jib, the boom is equipped with electronic raising capstan winch and suspension hook, steel cable is connected between the electronic raising capstan winch and suspension hook, first movement counterweight element is connected on the counter-jib, the first movement counterweight element includes the first counterweight, fixed pulley, traction rope and traction wheel, the fixed pulley is fixedly connected on counter-jib lower end, the traction wheel is fixedly connected on boom, the traction rope connects the first counterweight and traction wheel by fixed pulley, described traction rope one end is fixedly connected on counter-jib, the traction rope other end is hinged on suspension hook, the electronic raising capstan winch and traction wheel V belt translation, the wheel surface of the traction wheel is equipped with helicla flute.The utility model is to solve the problems, such as that boom tower crane centre-of gravity shift and tower crane installation behind direction of rotation takes up a large area and use limited in the prior art.
Description
Technical field
The utility model relates to tower crane construction fields, and in particular to a kind of tower crane stake bracing means.
Background technique
With sharply increasing for urban population, urban land is precious, and City Building is sent out towards high-rise and Super High
Exhibition, the usage amount of tower crane is increasing, tower crane equipment force unbalance during hoisting heavy, cause tower crane gravity center instability and
The serious accident toppled also repeated.
In order to reduce the probability that the capsizing case of tower crane occurs, the Chinese invention patent of prior art CN108086346A is public
A kind of tower crane differential settlement bracing means of cloth and conquering method, including tower crane ontology and tower crane；Tower crane ontology
It is erected on tower crane, young concrete plate, reinforcing bar and channel steel is provided at tower crane differential settlement；Reinforcing bar implantation
It side and is welded with channel steel at sedimentation, channel steel is placed on concrete slab.The invention by the bar planting of former tower crane side,
With channel steel with plant reinforcement welding out, and I-steel is placed on the concrete plate surface newly poured by tower crane, phase
It is mounted with one " hand " when in tower crane, " hand " supports on a hard floor, and tower crane can be effectively ensured and no longer settle.
Although the patent reduces the probability of tower crane capsizing case generation, but still remain following improvable place:
First, the mode of the reinforcing tower crane can only be reinforced in side, when tower crane boom and the bracing means are the two of tower body
When side, have prevention effect for toppling for tower crane, but when tower crane boom rotate by a certain angle and with the bracing means
At the same side, the probability that tower crane topples will increase instead.
Second, need first to construct before tower crane carries out operation, mixed mud newly poured to tower crane installation site, mixed mud from
The intensity for being poured into final set and mixed mud reaches load-bearing requirements, generally requires several days time, elapsed time is long, extends tower
Hang the progress of construction.
Third, the bracing means of the tower crane are needed reinforcement welding channel steel and tower crane, so that face is taken up an area in tower crane bottom
Product is big, is unfavorable for the movement of tower crane.
4th, the connection of the bracing means reinforcing bar and channel steel and tower crane of the tower crane balances lifting on tower crane boom
The weight of object then needs the channel steel for welding with playing weight weight equity, so that used channel steel size is very big, because being used for
The ground space of tower crane fixation is limited, and the oversized use position for making tower crane of channel steel is limited.
Utility model content
The utility model provides a kind of tower crane stake bracing means, to solve in the prior art boom in direction of rotation Hou Ta
It hangs centre-of gravity shift and tower crane installation takes up a large area and uses limited problem.
To achieve the above object, the technical solution adopted in the utility model is as follows: tower crane stake bracing means, including tower body,
Boom and counter-jib, the boom are equipped with electronic raising capstan winch and suspension hook, connect between the electronic raising capstan winch and suspension hook
There is steel cable, first movement counterweight element is connected on the counter-jib, the first movement counterweight element includes the first counterweight, determines
Pulley, traction rope and traction wheel, the fixed pulley are fixedly connected on counter-jib lower end, and the traction wheel is fixedly connected on boom
On, the traction rope connects the first counterweight by fixed pulley and traction wheel, described traction rope one end are fixedly connected on counter-jib,
The traction rope other end is hinged on suspension hook, the electronic raising capstan winch and traction wheel V belt translation, the wheel table of the traction wheel
Face is equipped with helicla flute.
The principles of the present invention:
When initial, tower body is fixed on the ground, and the suspension hook on boom does not have load-bearing, and suspension hook is located at extreme higher position, and first matches
The bottom of disposed thereon liter of down position of weight；Wirerope between fixed pulley and counter-jib slings the first counterweight, wirerope
At least four circles are wound on traction wheel along helicla flute.
Assuming that be wound the steel cable of strand on it for electronic raising capstan winch when electronic raising capstan winch rotates clockwise, and
The steel cable of strand on it is subjected to unwrapping wire for electronic raising capstan winch when rotating counterclockwise.When weight is put down in tower crane preparation, open
It moves electronic raising capstan winch and rotates counterclockwise it, suspension hook decline, and traction wheel is also counterclockwise by the drive of electronic raising capstan winch
Rotation, and then the first counterweight is driven to move upwards.When tower crane prepares to move up weight lifting, start electronic raising capstan winch
And it is rotated clockwise, suspension hook rises, and traction wheel is also rotated clockwise by the drive of electronic raising capstan winch, and then drives the
One counterweight moves downward.
In the motion process, pass through tower body, boom, steel cable and traction rope between the first counterweight and suspension hook with weight
Lever is formed, first movement counterweight element follows the position of weight lifting and moves up and down, so that the tower body two sides of tower crane are formed
Balance, tower crane center of gravity do not change, and ensure that the safety of tower crane lifting.
Compared with prior art, the utility model has the beneficial effects that
1, the balance with weight under suspension hook is realized by the height change of the first counterweight of first movement counterweight element, so that
The tower body two sides of tower crane form balance, and tower crane center of gravity does not change, and ensure that the safety of tower crane lifting.
2, because first movement counterweight element be connected in counter-jib, when boom rotate angle lifted by crane when, balance
Arm and boom remain at the two sides of tower body, because regardless of how boom rotation angle all will not influence tower crane center of gravity itself
Variation more has practicability so that tower crane construction is more flexible.
3, because first movement counterweight element is connected on counter-jib, and what counter-jib occupied is aerial volume, thus the
The increase of one mobile counterweight unit does not influence tower crane to the occupied area on ground, does not on the one hand interfere the movement of tower crane, another party
Face is not but also the construction location of tower crane is influenced by first movement counterweight element.
4, the cost being transformed for the existing tower crane produced is relatively low, and original tower crane will not be abandoned
With, it is only necessary to increase the first counterweight, traction wheel and fixed pulley on original tower crane, is easy to industrially realize that batch changes
Into, and the power resources of traction wheel are in the power of electronic raising capstan winch, so that the utilization rate that electric energy is converted to mechanical energy is mentioned
It is high.
It further, further include the second mobile counterweight unit, the second mobile counterweight unit includes the second counterweight, piston
Bar, piston and piston cylinder, the piston rod both ends are respectively fixedly connected with the second counterweight and piston, the piston rod and the second counterweight
It is slidably connected on counter-jib, the piston is slidably connected in piston cylinder and is formed in the side for having piston rod with piston cylinder close
The rod chamber closed, the piston cylinder are fixedly connected on end of the counter-jib far from tower body, and the first movement counterweight element also wraps
Fixed cylinder is included, the fixed cylinder is fixedly connected on counter-jib lower end, and first counterweight is slidably connected in fixed cylinder, and described
Closed rodless cavity is formed on one counterweight and fixed cylinder bottom, and the rod chamber is connected to form closed chamber with rodless cavity.
Second mobile counterweight unit is fixedly connected on counter-jib far from the end of tower body by piston cylinder, piston, piston
Formed between bar and piston cylinder it is piston inflator provided, when the weight of lifting, suspension hook drive weight move up, the first counterweight is downward
It is slided along fixed cylinder, the gas in airtight chamber in rodless cavity is pressed into rod chamber, and rod chamber pressure is forced to increase, living
Plug connection piston rod is mobile to the direction far from tower body, and piston rod drives the second counterweight also along counter-jib to the direction far from tower body
It is mobile.
Increase by the second mobile counterweight unit and increase a movable balance weight, but when hoisting heavy, second with focusing on
It is moved under the action of first movement counterweight element and the second mobile counterweight unit along counter-jib, and lengthens the second counterweight and tower body
Distance, the position that middle fixed weight can not change on counter-jib compared with the prior art are compared, the second counterweight tool of the movement
Have it is following the utility model has the advantages that
First, the second counterweight that the second mobile counterweight can be mobile come adjust automatically according to the sling height of hoisting heavy
With the position of the first counterweight, realize that the real-time dynamic of two mobile counterweights under the weight and counter-jib under the boom of tower body two sides is flat
Weighing apparatus, compared with the existing technology in fixed weight mode, counterweight is chronically on some position of counter-jib, counter-jib for a long time by
To the pressure of counterweight, the service life of counter-jib will be reduced under long-time service, and the second mobile counterweight makes counter-jib only exist
Position when being just moved to when tower crane hoisting heavy using fixed weight relatively reduces the pressure against the ends to counter-jib, favorably
In the service life for extending counter-jib.
Second, the cost being transformed for the existing tower crane produced is relatively low, and original tower crane will not be by
It abandons, it is only necessary to increase first movement counterweight element and the second mobile counterweight unit on original tower crane, be easy in work
Realize that batch improves in industry.
Further, the suspension hook is equipped with safe lock tongue, and the safe lock tongue is hinged on suspension hook, and the safe lock tongue is separate
One end of articulated position offsets with suspension hook concave surface, is cased with torsional spring on the safe lock tongue and the hinged axis of suspension hook.
When hoisting heavy, the rope for connecting weight pushes the hinged safe lock tongue for being cased with torsional spring open, and rope enters suspension hook
Afterwards, safe lock tongue is turned back to initial position under the elastic reaction of torsional spring, and safe lock tongue is against on suspension hook concave surface, so that rope
When Suo Ruguo drives weight to shake, safe lock tongue remains at rope in suspension hook, increases the peace of tower crane hoisting heavy
Entirely.
Further, the bolt fastening that is fixedly connected as of the traction wheel and boom connects.
Further, the bolt fastening that is fixedly connected as of the fixed pulley and counter-jib connects.
Further, the piston cylinder and fixed cylinder and counter-jib are fixedly connected as welding.
It is convenience in order to realize disassembly using being fastenedly connected for bolt, while also can more easily adjusts the first counterweight
Position under counter-jib, and the welding of piston cylinder and counter-jib is because piston cylinder is compared to fixed pulley and traction wheel its volume
Bigger, welding manner can make connection more firm.
Further, the traction rope is wirerope.The load bearing effect of wirerope is good, and intensity is reliable, rises suitable for weight
The traction hung.
Detailed description of the invention
Fig. 1 is the forward structure schematic diagram of the utility model tower crane stake bracing means embodiment；
Fig. 2 is the top view of traction wheel in the utility model tower crane stake bracing means embodiment in Fig. 1.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: tower body 1, boom 2, counter-jib 3, first movement counterweight element 4, second
Mobile counterweight unit 5, electronic raising capstan winch 21, suspension hook 22, safe lock tongue 221, the first counterweight 41, fixed pulley 42, wirerope 43,
Traction wheel 44, helicla flute 441, fixed cylinder 45, the second counterweight 51, piston rod 52, piston 53, piston cylinder 54, has rodless cavity 411
Rod cavity 541.
Embodiment is substantially as depicted in figs. 1 and 2:
Tower crane stake bracing means, including tower body 1, boom 2, counter-jib 3, first movement counterweight 4 and the second mobile counterweight 5,
Boom 2 and counter-jib 3 are connected to the opposite two sides of tower body 1, connect first movement counterweight 4 and the second mobile counterweight on counter-jib 3
5。
Boom 2 is equipped with electronic raising capstan winch 21 and suspension hook 22, is connected with steel between electronic raising capstan winch 21 and suspension hook 22
Rope, suspension hook 22 are equipped with safe lock tongue 221, and safe lock tongue 221 is hinged on suspension hook 22, covers on the articulated shaft of safe lock tongue 221
There is torsional spring, and 221 bottom righthand side of safe lock tongue offsets with 22 concave surface of suspension hook.
First movement counterweight element 4 includes the first counterweight 41, fixed pulley 42, wirerope 43, traction wheel 44 and fixed cylinder 45,
First counterweight 41 is slidably connected in fixed cylinder 45, and the first counterweight 41 forms closed rodless cavity 411 with 45 bottom of fixed cylinder, Gu
Safety barrel 45 is welded on the lower end of counter-jib 3, and fixed pulley 42 is connected to the lower end of counter-jib 3 using bolt fastening, and traction wheel 44 is logical
It crosses bolt fastening to be connected on boom 2, wirerope 43 connects the first counterweight 41 and traction wheel 44, wirerope 43 by fixed pulley 42
Left end is fixedly connected on counter-jib 3, and 43 right end of wirerope is hinged on suspension hook 22, electronic raising capstan winch 21 and traction wheel 44
The wheel surface of V belt translation, traction wheel 44 is equipped with helicla flute 441.
Second mobile counterweight unit 5 includes the second counterweight 51, piston rod 52, piston 53 and piston cylinder 54, and piston rod 52 is left
Right both ends are respectively fixedly connected with piston 53 and the second counterweight 51, and piston rod 52 and the second counterweight 51 are slidably connected at counter-jib 3
On, piston 53 is slidably connected in piston cylinder 54 and forms closed rod chamber 541, piston with piston cylinder 54 on 53 right side of piston
Cylinder 54 is welded on the left end of counter-jib 3, and rod chamber 541 is connected to form closed chamber with rodless cavity 411.
The principle of the present embodiment:
When initial, tower body 1 is fixed on the ground, and the suspension hook 22 on boom 2 does not have load-bearing, and suspension hook 22 is located at extreme higher position,
The bottom of first 41 disposed thereon liters of counterweight down position；One end of wirerope 43 is fixed on flat right above the first counterweight 41
Weigh on arm 3, the other end is fixedly connected on suspension hook 22, pass through fixed pulley 42 among wirerope 43, fixed pulley 42 and counter-jib 3 it
Between wirerope 43 first counterweight 41 is sling, wirerope 43 wound on traction wheel 44 along helicla flute 441 at least four circle；The
Two counterweights 51 be located at its can move left and right position by right end.
Assuming that the steel cable of strand on it is twined for electronic raising capstan winch 21 when electronic raising capstan winch 21 rotates clockwise
Around, and the steel cable for twisting on it is subjected to unwrapping wire for electronic raising capstan winch 21 when rotating counterclockwise.
When weight is put down in tower crane preparation, starts electronic raising capstan winch 21 and rotate counterclockwise it, steel cable is from winding
It is constantly released in electronic raising tray, the suspension hook 22 of steel cable connection declines, and traction wheel 44 is by electronic raising capstan winch 21
Drive also rotates counterclockwise, and then drives the first counterweight 41 to move upwards by the effect of movable pulley and wirerope 43；First matches
It weighs 41 to move up, the volume of rodless cavity 411, which increases pressure, to be reduced, and the gas in airtight chamber in rod chamber 541 is forced to be pressed
Enter into rodless cavity 411,411 pressure of rodless cavity is forced to reduce, piston 53 connects piston rod 52 to the right, and piston rod 52 drives second
Counterweight 51 moves right.
Similarly, when tower crane prepares to move up weight lifting, start electronic raising capstan winch 21 and turn it clockwise
Dynamic, suspension hook 22 rises, and traction wheel 44 is also rotated clockwise by the drive of electronic raising capstan winch 21, and then drives the first counterweight 41
It moves downward, the gas in airtight chamber in rodless cavity 411 is pressed into rod chamber 541, and 541 pressure of rod chamber is forced to increase
Greatly, piston 53 connects piston rod 52 and is moved to the left, and piston rod 52 drives the second counterweight 51 to be also moved to the left along counter-jib 3.
In the motion process, between the first counterweight 41 and suspension hook 22 with weight by tower body 1, boom 2, steel cable and
Wirerope 43 forms lever, the length of the power arm of the relative altitude formation lever between suspension hook 22 and boom 2, and the first counterweight
The length of the suitable resistance arm of height between 41 and counter-jib 3, when weight just lifts by crane, the length longest of power arm, in order to flat
Weigh lever, constantly adjusts the resistance arm lengths formed between the first counterweight 41 and counter-jib 3 under the movement effect of traction wheel 44,
Realize the purpose of weight equalizer；The second counterweight 51 moves, two mobile counterweight units with the movement of the first counterweight 41 simultaneously
Synergy so that 1 two sides of tower body of tower crane form balance, tower crane center of gravity do not change, and ensure that the peace of tower crane lifting
Quan Xing.
Furthermore two mobile counterweight units are fixedly connected on counter-jib 3, when boom 2 rotate angle lifted by crane when,
Counter-jib 3 and boom 2 remain at the two sides of tower body 1, because regardless of boom 2 rotates how angle all will not influence tower crane sheet
The variation of body center of gravity more has practicability so that tower crane construction is more flexible.
When hoisting heavy, after rope enters suspension hook 22, safe lock tongue 221 is turned back to initially under the elastic reaction of torsional spring
Position, safe lock tongue 221 are against on 22 concave surface of suspension hook, if when so that rope driving weight to shake, safe lock tongue 221
So that rope remains in suspension hook 22, the safety of tower crane hoisting heavy is further increased.
Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure
Under, several modifications and improvements can also be made.These also should be considered as the protection scope of the utility model, these all will not influence
The effect and patent practicability that the utility model is implemented.This application claims protection scope should be with the content of its claim
Subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.
Claims (7)
1. tower crane stake bracing means, including tower body, boom and counter-jib, the boom is equipped with electronic raising capstan winch and suspension hook,
Steel cable is connected between the electronic raising capstan winch and suspension hook, it is characterised in that: is connected with first movement on the counter-jib and is matched
Weight unit, the first movement counterweight element include the first counterweight, fixed pulley, traction rope and traction wheel, and the fixed pulley is fixed
It is connected to counter-jib lower end, the traction wheel is fixedly connected on boom, and the traction rope connects the first counterweight by fixed pulley
And traction wheel, described traction rope one end are fixedly connected on counter-jib, the traction rope other end is hinged on suspension hook, the electricity
Dynamic raising capstan winch is connect with traction wheel V belt translation, and the wheel surface of the traction wheel is equipped with helicla flute.
2. tower crane stake bracing means according to claim 1, it is characterised in that: further include the second mobile counterweight unit, institute
Stating the second mobile counterweight unit includes the second counterweight, piston rod, piston and piston cylinder, and the piston rod both ends are respectively fixedly connected with
Second counterweight and piston, the piston rod and the second counterweight are slidably connected on counter-jib, and the piston is slidably connected at piston
Closed rod chamber is formed in cylinder and in the side and piston cylinder for having piston rod, it is separate that the piston cylinder is fixedly connected on counter-jib
The end of tower body, the first movement counterweight element further includes fixed cylinder, and the fixed cylinder is fixedly connected on counter-jib lower end, institute
It states the first counterweight to be slidably connected in fixed cylinder, closed rodless cavity is formed on first counterweight and fixed cylinder bottom, described to have
Rod cavity is connected to form closed chamber with rodless cavity.
3. tower crane stake bracing means according to claim 2, it is characterised in that: the suspension hook is equipped with safe lock tongue, described
Safe lock tongue is hinged on suspension hook, and the one end of the safe lock tongue far from articulated position offsets with suspension hook concave surface, the peace
Torsional spring is cased on full lock tongue and the hinged axis of suspension hook.
4. tower crane stake bracing means according to claim 2, it is characterised in that: the traction wheel is fixedly connected with boom
For bolt fastening connection.
5. tower crane stake bracing means according to claim 2, it is characterised in that: the fixed pulley and the fixed of counter-jib connect
It is connected in bolt fastening connection.
6. tower crane stake bracing means according to claim 2, it is characterised in that: the piston cylinder and fixed cylinder and counter-jib
Be fixedly connected as weld.
7. tower crane stake bracing means according to claim 2, it is characterised in that: the traction rope is wirerope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821343474.6U CN208932801U (en) | 2018-08-20 | 2018-08-20 | Tower crane stake bracing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821343474.6U CN208932801U (en) | 2018-08-20 | 2018-08-20 | Tower crane stake bracing means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208932801U true CN208932801U (en) | 2019-06-04 |
Family
ID=66718290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821343474.6U Expired - Fee Related CN208932801U (en) | 2018-08-20 | 2018-08-20 | Tower crane stake bracing means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208932801U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548272A (en) * | 2019-09-10 | 2019-12-10 | 浙江海洋大学 | Rock climbing protector |
| CN112830380A (en) * | 2021-01-27 | 2021-05-25 | 安徽悠然云端科技有限公司 | Lifting hook swing suppression device for tower crane aerial work |
-
2018
- 2018-08-20 CN CN201821343474.6U patent/CN208932801U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548272A (en) * | 2019-09-10 | 2019-12-10 | 浙江海洋大学 | Rock climbing protector |
| CN112830380A (en) * | 2021-01-27 | 2021-05-25 | 安徽悠然云端科技有限公司 | Lifting hook swing suppression device for tower crane aerial work |
| CN112830380B (en) * | 2021-01-27 | 2023-06-20 | 安徽悠然云端科技有限公司 | Lifting hook swing suppression device for overhead operation of tower crane |
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 |
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| CF01 | Termination of patent right due to non-payment of annual fee |