CN106629401A - Method and device for measuring jacking height changes of tower crane - Google Patents
Method and device for measuring jacking height changes of tower crane Download PDFInfo
- Publication number
- CN106629401A CN106629401A CN201710029291.0A CN201710029291A CN106629401A CN 106629401 A CN106629401 A CN 106629401A CN 201710029291 A CN201710029291 A CN 201710029291A CN 106629401 A CN106629401 A CN 106629401A
- Authority
- CN
- China
- Prior art keywords
- tower crane
- roller
- tower
- tower body
- stock
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/50—Applications of limit circuits or of limit-switch arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
Abstract
The invention discloses a method for measuring jacking height changes of a tower crane. The method comprises the steps that a stroke limiter with a roller is installed on a beam of a tower crane sleeve frame, a tower body is sleeved with the tower crane sleeve frame, and the roller makes contact with the tower body. By means of the method, the relative positions of the tower crane sleeve frame and the tower body are judged according to the rotation direction and rolling distance of the roller. The method has the advantages that the stroke limiter and the roller are arranged between the tower crane sleeve frame and the tower body, the relative height changes between the tower crane sleeve frame and the tower body are judged through the rolling distance and direction of the roller, operation is convenient, efficient and safe, and the upper limit value of the forward direction sliding distance of the roller can be preset in the stroke limiter; and when the tower crane sleeve frame is to be disengaged from the tower body after manual operation, the stroke limiter can provide an upper limit value in time for an alarm, and therefore the problem that the tower crane sleeve frame runs off rails and falls off or other safety accidents occur is avoided.
Description
Technical field
The present invention relates to a kind of method and device of measurement tower crane top lifting height change, belongs to the skill of derrick crane monitoring
Art field.
Background technology
Derrick crane abbreviation tower crane, is one of most important equipment on construction site.Tower crane passes through jack
The superstructure jack-up of tower crane is increased or decreased tower-body standard section by structure, realizes the change of tower crane height.In tower machine upper structure
During lifting, the jacking wheel of stock can be rolled along tower body, if because the reasons such as operating personnel's negligence cause jacking
Wheel abjection main chord of standard section, easily causes security incident.But also it is not designed with prior art for measuring tower crane jacking
The device and method of height change.
The content of the invention
For the problem that prior art is present, the present invention proposes a kind of method of measurement tower crane top lifting height change.
The present invention also proposes a kind of device for realizing said method.
The present invention lifts the displacement of stock during section for real-time monitoring tower crane, reminds operating personnel to prevent jacking
Wheel abjection main chord of standard section.
Technical scheme is as follows:
A kind of method of measurement tower crane top lifting height change, including:Row with roller is installed on tower crane stock crossbeam
Journey stop, the tower crane stock is set on the tower body, and the roller is contacted with tower body, rotation of this method according to roller
Direction and rolling distance judge the relative position of tower crane stock and tower body.The advantage of present invention design is, in the tower crane set
Range limiter and roller are set between frame and tower body, and the distance rolled using it and direction are realized differentiating tower crane stock and tower body
Between relative altitude change, it is convenient, efficiently, safety, can also preset in the range limiter the positive slip of roller away from
From higher limit, when occurring tower crane stock after manual operation and departing from tower body in advance, range limiter higher limit can be provided in time with
Show warning, it is ensured that tower crane stock derails and drops or occur other security incidents.
According to currently preferred, in the upper of the default relative distance between tower crane stock and tower body of the middle control platform of tower crane
Limit value, when the range limiter monitors that the roller rolling distance reaches default higher limit, then range limiter is adopted
Collection data simultaneously send alarm signal by the middle control platform to operating personnel.Remind operating personnel to operate with caution, prevent tower crane
Stock derails and drops or occur other security incidents, and higher limit described herein is less than the relative peace between tower crane stock and tower body
Full distance.
According to currently preferred, judge that tower crane stock is relative with tower body according to the rotation direction and rolling distance of roller
Position comprises the following steps that:
When tower crane stock and tower body occur relative motion, roller is rolled along tower body, note:
When tower crane stock rises, roller rolling distance value is for just, the rolling distance of range limiter record roller increases;
When tower crane stock declines, roller rolling distance value is negative;The rolling distance of range limiter record roller is reduced.This
The advantage of place's design is, it is considered to the backway of roller, it is ensured that the displacement for gather tower crane stock is accurate, be gather or
Early warning provides high accuracy data value.
A kind of measurement tower crane top lifting height changeable device for realizing said method, including:Slide plate, the setting on the slide plate
There is roller, the axis of the roller is connected with the range limiter, and being additionally provided with the slide plate makes the roller and tower
The elastic portion that body contacts.
According to currently preferred, slideway is provided with the slide plate, range limiter is through being arranged on the slideway
On;The elastic portion includes spring, and the spring is also set on the slideway, and range limiter is withstood in one end of the spring
And make the roller contact with the tower body.
The installation method of said apparatus, including:The slide plate of described device is fixedly mounted on the tower crane stock crossbeam,
And adjust roller and contact with the tower body, and slide on the tower body surface and arrange.
According to currently preferred, the slide plate is connected by fixed support with tower crane stock crossbeam with screw.
It is an advantage of the current invention that:
The present invention arranges range limiter and roller between the tower crane stock and tower body, the distance rolled using it and
Realize differentiating the relative altitude change between tower crane stock and tower body that convenient, efficient, safety can also be limited in the stroke in direction
The higher limit of the positive sliding distance of roller is preset in the device of position, when tower crane stock climb reaches higher limit warning is sent,
Remind operating personnel to operate with caution, prevent tower crane stock from derailing and drop or occur other security incidents.
Description of the drawings
The overall structure diagram of Fig. 1, device of the present invention;
In Fig. 1,1, roller;2nd, range limiter;3rd, slideway;4th, slide plate;5th, fixed support;6th, screw;7th, spring;8th, tower
Crane climbing frame crossbeam;9th, tower body.
Specific embodiment
The present invention is described in detail with reference to embodiment and Figure of description, but not limited to this.
As shown in Figure 1.
Embodiment 1,
A kind of method of measurement tower crane top lifting height change, including:Install with roller 1 on tower crane stock crossbeam 8
Range limiter 2, the tower crane stock is set in the tower 9, and the roller 1 is contacted with tower body 9, and this method is according to roller
1 rotation direction and rolling distance judge the relative position of tower crane stock and tower body 9.
In the higher limit of the default relative distance between tower crane stock and tower body 9 of the middle control platform of tower crane, when the stroke
When stop 2 monitors that the rolling distance of the roller 1 reaches default higher limit, then the gathered data of range limiter 2 and pass through
The middle control platform sends alarm signal to operating personnel.Remind operating personnel to operate with caution, prevent the derailing of tower crane stock from dropping
Or there are other security incidents, higher limit described herein is less than the comparatively safe distance between tower crane stock and tower body.This reality
In applying example, the relative position distance of tower crane stock and tower body is uploaded in tower crane and controls platform by the range limiter, and by
Control platform shows in real time the distance of current tower crane stock movement, and warning is sent when displacement reaches default higher limit.
The concrete steps of tower crane stock and the relative position of tower body 9 are judged according to the rotation direction and rolling distance of roller 1
It is as follows:
When tower crane stock and tower body 9 occur relative motion, roller 1 is rolled along tower body 9, note:
When tower crane stock rises, the rolling distance value of roller 1 is for just, the rolling distance of the record roller of range limiter 2 increases;
When tower crane stock declines, the rolling distance value of roller 1 is negative;The rolling distance of the record roller of range limiter 2 is reduced.
Embodiment 2,
A kind of measurement tower crane top lifting height changeable device for realizing method as described in Example 1, including:Slide plate 4, described
Roller 1 is provided with slide plate 4, the axis of the roller 1 is connected with the range limiter 2, is additionally provided with the slide plate 4
The elastic portion for making the roller 1 contact with tower body 9.
Embodiment 3,
Tower crane top lifting height changeable device is measured as described in Example 2, and its difference is to arrange on the slide plate 4
There is a slideway 3, range limiter 2 is through being arranged on the slideway 3;The elastic portion includes spring 7, and the spring 7 is also arranged
On the slideway 3, one end of the spring 7 is withstood range limiter 2 and makes the roller 1 contact with the tower body 9.
Embodiment 4,
The installation method of tower crane top lifting height changeable device is measured as described in Example 3, including:By the cunning of described device
Plate 4 is fixedly mounted on the tower crane stock crossbeam 8, and is adjusted roller 1 and contacted with the tower body 9, and on the surface of the tower body 9
Slide and arrange.
The slide plate 4 is connected by fixed support 5 with tower crane stock crossbeam 8 with screw 6.
Claims (7)
1. a kind of method that measurement tower crane top lifting height changes, it is characterised in that the method includes:Pacify on tower crane stock crossbeam
Range limiter of the dress with roller, the tower crane stock is set on the tower body, and the roller is contacted with tower body, this method
The relative position of tower crane stock and tower body is judged according to the rotation direction and rolling distance of roller.
2. the method that a kind of measurement tower crane top lifting height according to claim 1 changes, it is characterised in that in tower crane
The higher limit of the default relative distance between tower crane stock and tower body of control platform, when the range limiter monitors the roller
When rolling distance reaches default higher limit, then range limiter gathered data and by the middle control platform to operating personnel
Go out alarm signal.
3. the method that a kind of measurement tower crane top lifting height according to claim 1 changes, it is characterised in that according to roller
Rotation direction and rolling distance judge comprising the following steps that for tower crane stock and the relative position of tower body:
When tower crane stock and tower body occur relative motion, roller is rolled along tower body, note:
When tower crane stock rises, roller rolling distance value is for just, the rolling distance of range limiter record roller increases;
When tower crane stock declines, roller rolling distance value is negative;The rolling distance of range limiter record roller is reduced.
4. a kind of measurement tower crane top lifting height changeable device realized such as claim 1-3 any one methods described, its feature
It is that the device includes:Slide plate, it is provided with the slide plate roller, the axis of the roller and the range limiter phase
Even, the elastic portion for making the roller contact with tower body is additionally provided with the slide plate.
5. tower crane top lifting height changeable device is measured as claimed in claim 4, it is characterised in that be provided with cunning on the slide plate
Road, range limiter is through being arranged on the slideway;The elastic portion includes spring, and the spring is also set in the slideway
On, one end of the spring is withstood range limiter and makes the roller contact with the tower body.
6. it is a kind of such as the installation method of 5 described devices of power, it is characterised in that the installation method includes:By the slide plate of described device
It is fixedly mounted on the tower crane stock crossbeam, and adjusts roller and contacts with the tower body, and slip sets on the tower body surface
Put.
7. installation method as claimed in claim 6, it is characterised in that the slide plate and tower crane stock crossbeam pass through fixed support
It is connected with screw.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710029291.0A CN106629401B (en) | 2017-01-16 | 2017-01-16 | A method of measurement tower crane top lifting height variation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710029291.0A CN106629401B (en) | 2017-01-16 | 2017-01-16 | A method of measurement tower crane top lifting height variation |
Publications (2)
Publication Number | Publication Date |
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CN106629401A true CN106629401A (en) | 2017-05-10 |
CN106629401B CN106629401B (en) | 2019-07-09 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201406285Y (en) * | 2008-11-17 | 2010-02-17 | 安徽建工集团有限公司 | Jacking anti-puking safe protector of self-elevating tower crane |
CN202177376U (en) * | 2011-07-15 | 2012-03-28 | 浙江省建设机械集团有限公司 | Tower type crane stock gradient monitoring devices |
CN202226583U (en) * | 2011-08-09 | 2012-05-23 | 新乡克瑞重型机械科技股份有限公司 | Device for preventing roller wheel of sleeve rack from running off track of tower crane |
CN202296931U (en) * | 2011-10-25 | 2012-07-04 | 山东大汉建设机械有限公司 | Jacking safety protection device of sleeve frame |
CN105776023A (en) * | 2016-05-27 | 2016-07-20 | 重庆大学 | Lifting device extreme position detecting mechanism based on rope |
-
2017
- 2017-01-16 CN CN201710029291.0A patent/CN106629401B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201406285Y (en) * | 2008-11-17 | 2010-02-17 | 安徽建工集团有限公司 | Jacking anti-puking safe protector of self-elevating tower crane |
CN202177376U (en) * | 2011-07-15 | 2012-03-28 | 浙江省建设机械集团有限公司 | Tower type crane stock gradient monitoring devices |
CN202226583U (en) * | 2011-08-09 | 2012-05-23 | 新乡克瑞重型机械科技股份有限公司 | Device for preventing roller wheel of sleeve rack from running off track of tower crane |
CN202296931U (en) * | 2011-10-25 | 2012-07-04 | 山东大汉建设机械有限公司 | Jacking safety protection device of sleeve frame |
CN105776023A (en) * | 2016-05-27 | 2016-07-20 | 重庆大学 | Lifting device extreme position detecting mechanism based on rope |
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Publication number | Publication date |
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CN106629401B (en) | 2019-07-09 |
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Address after: 250100 No. 297 industrial North Road, Licheng District, Shandong, Ji'nan Patentee after: POWERCHINA NUCLEAR ENGINEERING Co.,Ltd. Address before: 250100 No. 297 industrial North Road, Licheng District, Shandong, Ji'nan Patentee before: POWERCHINA NUCLEAR ENGINEERING Co. |