CN202988610U - Mooring rope type mast crane - Google Patents
Mooring rope type mast crane Download PDFInfo
- Publication number
- CN202988610U CN202988610U CN 201220573073 CN201220573073U CN202988610U CN 202988610 U CN202988610 U CN 202988610U CN 201220573073 CN201220573073 CN 201220573073 CN 201220573073 U CN201220573073 U CN 201220573073U CN 202988610 U CN202988610 U CN 202988610U
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- CN
- China
- Prior art keywords
- lifting
- mast
- crane
- pulley
- lead
- 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
The utility model provides a mooring rope type mast crane and solves the problems that a mast crane can only lift vertically, and heavy articles during lifting are prone to shaking and the like. The mooring rope type mast crane comprises a lifting mechanism, a crane arm, a mast, a hanging hook, a base and a drag line. The lifting mechanism comprises a lifting barrel, a lifting pulley unit and a lifting rope. One end of the lifting rope is winded on the lifting barrel. The other end of the lifting rope is connected with the hanging hook through the lifting pulley unit. The lifting pulley unit comprises a lifting fixed pulley arranged at the top end of the crane arm and a lifting movable pulley. The mast is fixed on the base. The bottom of the crane arm is arranged on the base. The top of the crane arm is connected with the mast through the drag line. The mooring rope type mast crane further comprises a back-dragging mechanism which comprises a back-dragging line, a guide pulley and a back-dragging barrel. One end of the back-dragging line is connected through the guide pulley and the lifting pulley unit. The other end of the back-dragging line is winded on the back-dragging barrel.
Description
Technical field
The utility model relates to hoisting crane, particularly a kind of cable type mast crane.
Background technology
Derrick crane is hard-wired hoisting crane, that derrick crane has is simple in structure, manufacture and design easily, expense is low, easy to assemble, can luffing, the characteristics such as deadweight is little and ability is large.General multiplex, the occasion such as hoisting engineering relatively concentrate, workyard narrower heavier in member of derrick crane is as aspects such as harbour, harbour, mines.Existing mast crane uprightly is fixed on ground by single mast, and weight capacity is poor, and during lifting, weight such as easily rocks at the problem.
The utility model content
The utility model proposes a kind of cable type mast crane, having solved existing mast crane can only vertical lifting, and during lifting, weight such as easily rocks at the problem.
The technical solution of the utility model is achieved in that
A kind of cable type mast crane comprises lifting mechanism, crane arm, mast, suspension hook, base and drag-line; Described lifting mechanism comprises hoisting drum, lifting pulley group and raising line, described raising line one end is wound on described hoisting drum, the other end is connected in described suspension hook by described lifting pulley group, described lifting pulley group comprises hoist fixed pulley and the movable pulley that hoists, and the described fixed pulley that hoists is installed on the top of described crane arm; Described mast is fixed on described base, and described crane arm bottom is rotated and is installed on described base, and described crane arm top is connected with described mast by described drag-line; Also comprise back and lead mechanism, lead mechanism for described go back to and comprise back lead, leading sheave and return and lead reel, an end of described time lead is connected with described lifting pulley group by leading sheave, and the other end of described time lead is wound in described time and leads on reel.
Further, also comprise cable wind rope, the top of described mast is provided with annular slot part, and an end of described cable wind rope is fixed in described annular slot part, and the other end is fixed on ground.
Further, described cable wind rope comprises eight.
Further, also comprise load lifting limiter, described load lifting limiter is installed on described mast and described hoisting between movable pulley.
Further, also comprise height limiter, described height limiter is installed on the described fixed pulley that hoists.
Further, also comprise angle limiter, described angle limiter is installed on the described fixed pulley that hoists.
Further, a side of described mast is welded with several handrails that is used for climbing.
By above description as can be known, the utility model the utlity model has following advantage compared with prior art:
One, the maximum of this mast crane lifting degree of depth can reach 200m, can be suitable for the occasions such as mine, deep-well.
Two, this mast crane is provided with back and leads mechanism, and when slinging weight, by returning the lead weight of pulling back, when avoiding lifting by crane, the weight shaking amplitude is excessive; Simultaneously can realize pull and hang sideling, increase the operating range of hoisting crane, by angle limiter is set, when the pull and hang sideling angle was spent over 30, automatic alarm improved safety performance.
Three, by cable wind rope, mast is kept upright, namely convenient the installation, save again cost, can improve the weight capacity of mast simultaneously, improves the safety performance of mast crane.
Four, by the lifting weight limitor is set, avoid the weight of weight over the safety value of hoisting crane.By height limiter is set, when sling height surpasses the safety value automatic alarm, improve safety performance.
Five, a side of mast is welded with the handrail of climbing, maintains easily and overhauls.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the utility model structural representation.
Fig. 2 is plan structure schematic diagram of the present utility model.
Fig. 3 is the partial enlarged drawing at a place in Fig. 1.
Fig. 4 is the partial enlarged drawing at b place in Fig. 1.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
With reference to Fig. 1, Fig. 2, a kind of cable type mast crane comprises lifting mechanism, returns and lead mechanism, crane arm 3, mast 4, cable wind rope 5, suspension hook 6, base 7, drag-line 8 and load lifting limiter 91, height limiter 92, angle limiter 93; Described lifting mechanism comprises hoisting drum 11, lifting pulley group 12 and raising line 13, described raising line 13 1 ends are wound on described hoisting drum 11, the other end is connected in described suspension hook 6 by described lifting pulley group 12, described lifting pulley group 12 comprises hoist fixed pulley 121 and the movable pulley 122 that hoists, and the described fixed pulley 121 that hoists is installed on the top of described crane arm 3; One side of described mast 4 is welded with several handrails 41 that is used for climbing.
With reference to Fig. 1, Fig. 2, described base 7 can be fixed in advance on the casting reinforced concrete structure; The top of described mast 4 is provided with annular slot part 43, and an end of described cable wind rope 5 is fixed in described annular slot part 43, and the other end is fixed on ground, and described cable wind rope comprises the 4-8 root, preferred 8.Described crane arm 3 bottoms are rotated and are installed on described base 7, and described crane arm 3 tops are connected in by described drag-line 8 on the connection bearing pin 42 on described mast 4 tops, are protection drag-line 8, and described bearing pin 42 is outer is furnished with roller 44.
With reference to Fig. 1, Fig. 2; leading mechanism for described go back to comprises back lead 23, leading sheave 22 and returns and lead reel 21; one end of described time lead 23 is connected with described lifting pulley group 12 by leading sheave 22, and the other end of described time lead 23 is wound in described time and leads on reel 21.Described load lifting limiter 91 is installed on described mast 4 and described hoisting between movable pulley 122; Described height limiter 92 is installed on respectively on the described fixed pulley that hoists with described angle limiter 93.
With reference to Fig. 2, described lifting mechanism also comprises diesel engine 14, universal coupling 15, diff 16, change-speed box 171,172, retarder 181,182 and drg 191,192, described diesel engine 14 is high speed diesel engine, be connected with power-transfer clutch 141 on described diesel engine 14, the power of described diesel engine 14 imports change-speed box into by the output shaft of described diff 16, and described change-speed box comprises the change-speed box 171 and be connected in and lead returning of mechanism described time and lead change-speed box 172 of hoisting that is connected in described lifting mechanism; Described retarder comprises speed reducer used in hoisting 181 and returns and lead retarder 182; Described drg 191,192 is controlled by mechanical lever; Described drg comprises hoist brake 191 and returns and lead drg 192; The input shaft of described speed reducer used in hoisting 181 is connected in by described hoist brake 191 on the output shaft of the described change-speed box 171 that hoists, and the output shaft of described speed reducer used in hoisting 181 is connected with described hoisting drum 11, and drives hoisting drum 11 rotations.The input shaft that leads retarder 182 for described time is connected on the output shaft that leads change-speed box 172 for described time by leading drg 192 for described time, the output shaft that leads retarder 182 for described time with lead reel 21 described time and be connected, and drive back and lead reel 21 and rotate.
Compared to the prior art, the utlity model has following advantage:
One, the maximum of this mast crane lifting degree of depth can reach 200m, can be suitable for the occasions such as mine, deep-well.
Two, this mast crane is provided with back and leads mechanism, and when slinging weight, by returning the lead weight of pulling back, when avoiding lifting by crane, the weight shaking amplitude is excessive; Simultaneously can realize pull and hang sideling, increase the operating range of hoisting crane, by angle limiter is set, when the pull and hang sideling angle was spent over 30, automatic alarm improved safety performance.
Three, by cable wind rope, mast is kept upright, namely convenient the installation, save again cost, can improve the weight capacity of mast simultaneously, improves the safety performance of mast crane.
Four, by the lifting weight limitor is set, avoid the weight of weight over the safety value of hoisting crane.By height limiter is set, when sling height surpasses the safety value automatic alarm, improve safety performance.
Five, a side of mast is welded with the handrail of climbing, maintains easily and overhauls.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a cable type mast crane, comprise lifting mechanism, crane arm, mast, suspension hook, base and drag-line;
Described lifting mechanism comprises hoisting drum, lifting pulley group and raising line, described raising line one end is wound on described hoisting drum, the other end is connected in described suspension hook by described lifting pulley group, described lifting pulley group comprises hoist fixed pulley and the movable pulley that hoists, and the described fixed pulley that hoists is installed on the top of described crane arm;
Described mast is fixed on described base, and described crane arm bottom is rotated and is installed on described base, and described crane arm top is connected with described mast by described drag-line;
It is characterized in that: also comprise back and lead mechanism; leading mechanism for described go back to comprises back lead, leading sheave and returns and lead reel; one end of described time lead is connected with described lifting pulley group by leading sheave, and the other end of described time lead is wound in described time and leads on reel.
2. a kind of cable type mast crane as claimed in claim 1, it is characterized in that: also comprise cable wind rope, the top of described mast is provided with annular slot part, and an end of described cable wind rope is fixed in described annular slot part, and the other end is fixed on ground.
3. a kind of cable type mast crane as claimed in claim 2, it is characterized in that: described cable wind rope comprises eight.
4. a kind of cable type mast crane as claimed in claim 1 or 2, it is characterized in that: also comprise load lifting limiter, described load lifting limiter is installed on described mast and described hoisting between movable pulley.
5. a kind of cable type mast crane as claimed in claim 1 or 2, it is characterized in that: also comprise height limiter, described height limiter is installed on the described fixed pulley that hoists.
6. a kind of cable type mast crane as claimed in claim 1 or 2, it is characterized in that: also comprise angle limiter, described angle limiter is installed on the described fixed pulley that hoists.
7. a kind of cable type mast crane as claimed in claim 1 or 2 is characterized in that: a side of described mast is welded with several and is used for the handrail climbed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220573073 CN202988610U (en) | 2012-10-31 | 2012-10-31 | Mooring rope type mast crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220573073 CN202988610U (en) | 2012-10-31 | 2012-10-31 | Mooring rope type mast crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202988610U true CN202988610U (en) | 2013-06-12 |
Family
ID=48559809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220573073 Expired - Fee Related CN202988610U (en) | 2012-10-31 | 2012-10-31 | Mooring rope type mast crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202988610U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434948A (en) * | 2013-09-06 | 2013-12-11 | 中国建筑第八工程局有限公司 | Mast type hoisting device |
| CN104276515A (en) * | 2013-07-01 | 2015-01-14 | 国家电网公司 | Mast type crane |
-
2012
- 2012-10-31 CN CN 201220573073 patent/CN202988610U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104276515A (en) * | 2013-07-01 | 2015-01-14 | 国家电网公司 | Mast type crane |
| CN103434948A (en) * | 2013-09-06 | 2013-12-11 | 中国建筑第八工程局有限公司 | Mast type hoisting device |
| CN103434948B (en) * | 2013-09-06 | 2015-12-09 | 中国建筑第八工程局有限公司 | A kind of masts type hanging apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20130612 Termination date: 20161031 |