CN206665977U - A kind of derrick crane - Google Patents
A kind of derrick crane Download PDFInfo
- Publication number
- CN206665977U CN206665977U CN201720439987.6U CN201720439987U CN206665977U CN 206665977 U CN206665977 U CN 206665977U CN 201720439987 U CN201720439987 U CN 201720439987U CN 206665977 U CN206665977 U CN 206665977U
- Authority
- CN
- China
- Prior art keywords
- dolly
- crane arm
- run
- roller
- hoist engine
- 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.)
- Expired - Fee Related
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Abstract
It the utility model is related to construction hoisting machinery technical field,Specifically a kind of derrick crane,The derrick crane includes tower body support,Counter-jib and crane arm and slew gear,Crane arm, which is provided with, runs dolly,The hoist engine of control suspension hook rise and fall is respectively equipped with counter-jib and the hoist engine that dolly is run is run in control,It is characterised by running in the middle part of the lower section of dolly and is provided with lifting roller,The lower front end for running dolly is provided with shifting roller,The hoist engine of control suspension hook rise and fall draws hawser and sequentially passes through the guide roller that counter-jib and crane arm are provided with,Run the lifting roller that dolly lower end is provided with and be connected with suspension hook,Control runs the hoist engine extraction hawser that dolly is run and sequentially passes through the guide roller that counter-jib and crane arm are provided with,Draw through top below guide roller that crane arm front end is provided with and the shifting roller being provided with by race dolly front end and be connected with the front end of crane arm,It is strong with wind-proof performance,Reduce rope weight,The advantages that mitigating crane counterweight.
Description
Technical field
Construction hoisting machinery technical field is the utility model is related to, specifically a kind of simple in construction, wind-proof performance is strong,
Reduce rope weight, mitigate the derrick crane of crane counterweight.
Background technology
It is well known that tower crane is a kind of crane gear also known as " derrick crane " the most frequently used on construction site, with a section
The spreading (height) (referred to as " standard knot ") of one section, for hanging the former material of the constructions such as working reinforcing bar, wood stupefied, concrete, steel pipe
Material.
At present, with the rapid development of economy, high buildings and large mansions rapidly stand in great numbers among city like the mushrooms after rain, with
The horizontal continuous improvement of modern building technology, the height of building are constantly soaring so that the height of tower crane also more and more higher is installed,
And then the hawser that hoist engine on derrick crane needs is increasingly longer, existing derrick crane is typically by tower body support, flat
Weigh arm and crane arm and slew gear, and the upper end of tower body support is provided with slew gear, the both sides of slew gear respectively with counter-jib
It is connected with crane arm, described crane arm is provided with the race dolly slided on crane arm, and control is respectively equipped with counter-jib
The hoist engine that dolly is run, the elevator power traction of described control suspension hook rise and fall are run in the hoist engine of suspension hook rise and fall and control
The rear side that the race dolly gone out on the guide roller, crane arm that hawser is sequentially passed through on counter-jib and crane arm is provided with is provided with is led
Front side guide roller that race dolly on roller that way roller, suspension hook are provided with, crane arm is provided with and with the front end of crane arm
It is connected and realizes the rise and release of suspension hook, described control runs the hoist engine that dolly is run and draws one end of hawser with running dolly
Rear end be connected, the other end of the hawser guide roller through being provided with above crane arm, the guide roller of crane arm front end successively
Front end with running dolly, which is connected, realizes the movable of race dolly, and this structure is the common structure of existing derrick crane, by
In suspension hook through two hawser pull-ups, although having divided the stressing conditions of hawser equally, because the height of tower ground jack is very high, need
Want the length of hawser longer, particularly to loading heavier hawser on hoist engine, and two hawsers are in the process scraped by wind
In easily produce winding, be unfavorable for suspension hook and sling weight.
The content of the invention
The purpose of this utility model is that solve above-mentioned the deficiencies in the prior art, there is provided one kind is simple in construction, wind-proof performance is strong,
Reduce rope weight, mitigate the derrick crane of crane counterweight.
Technical scheme is used by the utility model solves its technical problem：
A kind of derrick crane, the derrick crane include tower body support, counter-jib and crane arm and slew gear, tower body
The upper end of support is provided with slew gear, and the both sides of slew gear are connected with counter-jib and crane arm respectively, described crane arm
Be provided with the race dolly that is slided on crane arm, be respectively equipped with described counter-jib control suspension hook rise and fall hoist engine and
The hoist engine that dolly is run is run in control, it is characterised in that is provided with lifting roller in the middle part of the lower section of described race dolly, is run dolly
Lower front end is provided with shifting roller, and the hoist engine of described control suspension hook rise and fall draws hawser and sequentially passes through counter-jib and rise
Guide roller that weighing arm is provided with, run the lifting roller that dolly lower end is provided with and be connected with suspension hook, dolly is run in described control
What the hoist engine run drew that hawser sequentially passes through that the guide roller, crane arm front end that counter-jib and crane arm be provided be provided with leads
Draw through top below way roller and the shifting roller being provided with by race dolly front end and be connected with the front end of crane arm, by opening
The raising and lowering for the hawser that the hoist engine control of dynamic control suspension hook rise and fall is connected with suspension hook realize weight lifting and under
Drop, realization race dolly is pulled and discharges by controlling the hoist engine that race dolly is run to control and run the shifting roller of dolly front end
It is movable.
Dolly is run at least provided with three guide rollers, described control in the upper end of crane arm described in the utility model side by side
The top that the hawser for the hoist engine run is rolled by first directive wheel passes through, then the lower section for having second guide roller passes through, then
Passed through through the top of the 3rd guide roller, the guide roller being most provided with afterwards through crane arm front end is directed to crane arm lower end simultaneously
It is connected by being drawn below the shifting roller on race dolly through top with the front end of crane arm, it is convenient provided with multiple guide rollers
The motion of hawser.
The rear end of crane arm described in the utility model is provided with two vertical guide rollers, and top guide roller is located at
The middle part of crane arm, lower section guide roller are located at the lower end of crane arm, the hawser of the hoist engine extraction of control suspension hook rise and fall
The upside of top guide roller and then the front side through lower section guide roller is sequentially passed through to be oriented to and pass through in the middle part of the lower section for running dolly
It is connected provided with lifting roller with suspension hook.
Due to being provided with lifting roller in the middle part of the lower section of described race dolly, the lower front end for running dolly is provided with the utility model
Shifting roller, the hoist engines of described control suspension hook rise and fall draw that hawser sequentially passes through counter-jib and crane arm is provided with
Guide roller, run the lifting roller that dolly lower end is provided with and be connected with suspension hook, the hoist engine that dolly is run is run in described control
Draw hawser and sequentially pass through the guide roller that the guide roller, crane arm front end that counter-jib and crane arm be provided with are provided with and by running
Draw through top below the shifting roller that dolly front end is provided with and be connected with the front end of crane arm, by starting on control suspension hook
The raising and lowering for rising the hawser that the hoist engine control declined is connected with suspension hook realizes the lifting and decline of weight, is run by controlling
The hoist engine control that dolly is run is realized with the shifting roller pulling and release for running dolly front end runs the movable of dolly, described
Crane arm upper end side by side at least provided with three guide rollers, described control runs the hawser of the hoist engine that dolly is run by the
The top of one directive wheel rolling passes through, then the lower section for having second guide roller passes through, and is then passed through the upper of the 3rd guide roller
Side passes through, and the guide roller being most provided with afterwards through crane arm front end is directed to crane arm lower end and by under the shifting roller on race dolly
Side is drawn through top to be connected with the front end of crane arm, facilitates the motion of hawser, described lifting provided with multiple guide rollers
The rear end of arm is provided with two vertical guide rollers, and top guide roller is located at the middle part of crane arm, lower section guide roller position
In the lower end of crane arm, the upside that the hawser for controlling the hoist engine of suspension hook rise and fall to draw sequentially passes through top guide roller is right
It is oriented to and passes through by the front side of lower section guide roller and be connected in the middle part of the lower section for running dolly provided with lifting roller with suspension hook, has
Simple in construction, wind-proof performance is strong, reduces rope weight, mitigates the advantages that crane counterweight.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings：
As shown in drawings, a kind of derrick crane, the derrick crane include tower body support 1, counter-jib 2 and crane arm 3
And slew gear, the upper end of tower body support 1 are provided with slew gear 11, the both sides of slew gear 11 respectively with counter-jib 2 and lifting
Arm 3 is connected, and described crane arm 3 is provided with the race dolly 4 slided on crane arm 3, is respectively equipped with described counter-jib 2
The hoist engine 5 of suspension hook rise and fall and control is controlled to run the hoist engine that dolly is run, it is characterised in that described runs under dolly 4
Side middle part is provided with lifting roller 6, and the lower front end for running dolly 4 is provided with shifting roller 7, the volume of described control suspension hook rise and fall
Raise machine 5 and draw hawser and sequentially pass through guide roller 8 that counter-jib 2 and crane arm 3 be provided with, run the lifting that the lower end of dolly 4 is provided with
Roller 6 is simultaneously connected with suspension hook 9, and described control runs the hoist engine extraction hawser that dolly 4 is run and sequentially passes through counter-jib 2 and rise
Guide roller, the guide roller that the front end of crane arm 3 is provided with and the shifting roller 7 being provided with by the front end of race dolly 4 that weighing arm 3 is provided with
Lower section through top draw is connected with the front end of crane arm 3, by start control the rise and fall of suspension hook 9 hoist engine control and
The raising and lowering for the hawser that suspension hook 9 connects realizes the lifting and decline of weight, by controlling the hoist engine control run dolly and run
System and the shifting roller 7 of race dolly front end, which are pulled and discharged, realizes the movable of race dolly 4, the upper end of described crane arm 3
Side by side at least provided with three guide rollers, the hawser that the hoist engine that dolly 4 is run is run in described control is rolled by first directive wheel
Top pass through, then the lower section for having second guide roller passes through, and the top for being then passed through the 3rd guide roller passes through, and most passes through afterwards
The guide roller that the front end of crane arm 3 is provided with is directed to the lower end of crane arm 3 and passed through by the lower section of shifting roller 7 on race dolly 4 upper
Side is drawn to be connected with the front end of crane arm 3, facilitates the motion of hawser provided with multiple guide rollers, after described crane arm 3
End is provided with two vertical guide rollers, and top guide roller is located at the middle part of crane arm 3, and lower section guide roller is located at lifting
The lower end of arm 3, the hawser that the hoist engine of the control rise and fall of suspension hook 7 is drawn sequentially pass through the upside of top guide roller and then passed through
The front side of lower section guide roller is oriented to and passed through to be connected in the middle part of the lower section for running dolly 7 provided with lifting roller 6 with suspension hook 9.
The utility model slings weight when in use, by single cable, and the hoist engine 5 of the control rise and fall of suspension hook 9 is released
Suspension hook is put, when weight rises, due to the Action of Gravity Field of weight, race dolly 4 is received the power of oblique lower left, and then make race dolly
4 can move to the left, and release control runs the hawser of hoist engine that dolly 4 is run while left side is moved, when needing to run dolly 4
When moving to the right, withdraw control and run the hawser for the hoist engine that dolly 4 is run and then moved dolly 4 is run to the right, due to list
Rope pulls suspension hook, therefore avoids the winding of duplex type, and single rope reduces the length of hawser, increases wind-proof performance, and then drop
The counterweight of low hoist engine, the miscellaneous part of the existing derrick crane in the utility model with and each part structure and
Interconnected relationship between them is same as the prior art, and this is not repeated, and the utility model is run under dolly 4 due to described
Side middle part is provided with lifting roller 6, and the lower front end for running dolly 4 is provided with shifting roller 7, the volume of described control suspension hook rise and fall
Raise machine 5 and draw hawser and sequentially pass through guide roller 8 that counter-jib 2 and crane arm 3 be provided with, run the lifting that the lower end of dolly 4 is provided with
Roller 6 is simultaneously connected with suspension hook 9, and described control runs the hoist engine extraction hawser that dolly 4 is run and sequentially passes through counter-jib 2 and rise
Guide roller, the guide roller that the front end of crane arm 3 is provided with and the shifting roller 7 being provided with by the front end of race dolly 4 that weighing arm 3 is provided with
Lower section through top draw is connected with the front end of crane arm 3, by start control the rise and fall of suspension hook 9 hoist engine control and
The raising and lowering for the hawser that suspension hook 9 connects realizes the lifting and decline of weight, by controlling the hoist engine control run dolly and run
System and the shifting roller 7 of race dolly front end, which are pulled and discharged, realizes the movable of race dolly 4, the upper end of described crane arm 3
Side by side at least provided with three guide rollers, the hawser that the hoist engine that dolly 4 is run is run in described control is rolled by first directive wheel
Top pass through, then the lower section for having second guide roller passes through, and the top for being then passed through the 3rd guide roller passes through, and most passes through afterwards
The guide roller that the front end of crane arm 3 is provided with is directed to the lower end of crane arm 3 and passed through by the lower section of shifting roller 7 on race dolly 4 upper
Side is drawn to be connected with the front end of crane arm 3, facilitates the motion of hawser provided with multiple guide rollers, after described crane arm 3
End is provided with two vertical guide rollers, and top guide roller is located at the middle part of crane arm 3, and lower section guide roller is located at lifting
The lower end of arm 3, the hawser that the hoist engine of the control rise and fall of suspension hook 7 is drawn sequentially pass through the upside of top guide roller and then passed through
The front side of lower section guide roller is oriented to and passed through to be connected in the middle part of the lower section for running dolly 7 provided with lifting roller 6 with suspension hook 9, is had
Simple in construction, wind-proof performance is strong, reduces rope weight, mitigates the advantages that crane counterweight.
Claims (3)
1. a kind of derrick crane, the derrick crane includes tower body support, counter-jib and crane arm and slew gear, tower body branch
The upper end of frame is provided with slew gear, and the both sides of slew gear are connected with counter-jib and crane arm respectively, on described crane arm
Provided with the race dolly slided on crane arm, hoist engine and the control of control suspension hook rise and fall are respectively equipped with described counter-jib
System runs the hoist engine that dolly is run, it is characterised in that is provided with lifting roller in the middle part of the lower section of described race dolly, runs under dolly
Fang Qianduan is provided with shifting roller, and the hoist engine of described control suspension hook rise and fall draws hawser and sequentially passes through counter-jib and lifting
Guide roller that arm is provided with, run the lifting roller that dolly lower end is provided with and be connected with suspension hook, described control is run dolly and run
Dynamic hoist engine draws hawser and sequentially passes through the guiding that the guide roller, crane arm front end that counter-jib and crane arm be provided with are provided with
Draw through top below roller and the shifting roller being provided with by race dolly front end and be connected with the front end of crane arm, pass through startup
The raising and lowering for the hawser that the hoist engine control of control suspension hook rise and fall is connected with suspension hook realizes the lifting and decline of weight,
Before the hoist engine run by control race dolly controls and run the shifting roller pulling of dolly front end and discharges realization race dolly
After move.
2. a kind of derrick crane according to claim 1, it is characterised in that the upper end of described crane arm is side by side at least
Provided with three guide rollers, the top that the hawser for the hoist engine that described control race dolly is run is rolled by first directive wheel is worn
Cross, then the lower section for having second guide roller passes through, the top for being then passed through the 3rd guide roller passes through, most afterwards through crane arm before
The guide roller being provided with is held to be directed to crane arm lower end and by passing through top extraction and lifting below the shifting roller on race dolly
The front end of arm is connected.
3. a kind of derrick crane according to claim 1, it is characterised in that the rear end of described crane arm is provided with perpendicular
Two straight guide rollers, top guide roller are located at the middle part of crane arm, and lower section guide roller is located at the lower end of crane arm, control
The hawser that the hoist engine of suspension hook rise and fall processed is drawn sequentially passes through the upside of top guide roller and then through lower section guide roller
Front side be oriented to and pass through run dolly lower section in the middle part of be connected provided with lifting roller with suspension hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720439987.6U CN206665977U (en) | 2017-04-25 | 2017-04-25 | A kind of derrick crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720439987.6U CN206665977U (en) | 2017-04-25 | 2017-04-25 | A kind of derrick crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206665977U true CN206665977U (en) | 2017-11-24 |
Family
ID=60370125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720439987.6U Expired - Fee Related CN206665977U (en) | 2017-04-25 | 2017-04-25 | A kind of derrick crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206665977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592578A (en) * | 2018-12-07 | 2019-04-09 | 中联重科股份有限公司 | Assembling structure and derrick crane in tower crane |
-
2017
- 2017-04-25 CN CN201720439987.6U patent/CN206665977U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592578A (en) * | 2018-12-07 | 2019-04-09 | 中联重科股份有限公司 | Assembling structure and derrick crane in tower crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 |