CN2516522Y - Tower crane movable balancing weight - Google Patents
Tower crane movable balancing weight Download PDFInfo
- Publication number
- CN2516522Y CN2516522Y CN 01276775 CN01276775U CN2516522Y CN 2516522 Y CN2516522 Y CN 2516522Y CN 01276775 CN01276775 CN 01276775 CN 01276775 U CN01276775 U CN 01276775U CN 2516522 Y CN2516522 Y CN 2516522Y
- Authority
- CN
- China
- Prior art keywords
- tower crane
- counterweight
- postbrachium
- roller
- tower
- 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 relates to a counterweight device for a tower crane, comprising a track which is arranged on a rear arm of the tower crane, a roller which is arranged in the track, and a counterweight which is connected with the rear arm through the roller. The utility model is characterized in that a fixed and unchanged counterweight on the rear arm of the tower crane is changed into a moveable balancing tail weight of the tower crane which can make reciprocating movement on the rear arm. The utility model has the advantages that the tower crane can be kept in the balancing state all the time in the structure and the corresponding working mode; not only stability is ensured when the tower crane is working, but also the partial sinking state of weight bearing is eliminated when the tower crane is not working; the working mechanism of the tower crane is more reasonable; and the service life is prolonged.
Description
The utility model relates to a kind of vertical shaft type hoisting device, the counter weight device on specifically a kind of tower crane.
Tower crane is a kind of weight-lifting equipment commonly used in the present building construction process, and its structure is that forearm, postbrachium and operator's compartment are arranged on body of the tower, and dolly and suspension hook are arranged on the forearm, and counterweight is arranged on the postbrachium.Counterweight on the postbrachium is made up of the mass of hanging basket that is fixedly connected at the postbrachium tail end and interior dress.Its objective is for when the tower crane forearm hoisting heavy, can play the effect of weight equalizer,, safety misadventure occurs to prevent tower body inclining.The mode of this fixed weight, though eliminated the accident potential of tower crane when hoisting heavy, and the load-carrying ability of tower crane is also increased, also still have weak point.This is because counterweight is just to work when the tower crane hoisting heavy, and at tower crane not during hoisting heavy, because counterweight is fixed, it still works to body of the tower.This just causes tower crane still to bear a heavy burden when not working, and is the non-equilibrium state that an end bears a heavy burden.So just increase the weight of the fatigue state of body of the tower and postbrachium, shortened the service life of tower crane.In addition,, then must cause the overbalance in the lifting process, make tower crane be difficult to the stability of maintenance work because the weight of every tower crane counterweight also is unmodified, thereby for different hoisting heavies, carries out balance with intrinsic counterweight.
The purpose of this utility model just provides the tower crane movable balancing weight that a kind of balance position can change, and overcoming the deficiency of existing counter weight device, thereby improves the working mechanism of tower crane, prolongs the service life of tower crane.
The utility model is achieved in that on the tower crane postbrachium and is provided with track that roller is set in the track, and counterweight is joined by roller and postbrachium.Design philosophy of the present utility model is exactly with original changeless counterweight on the tower crane postbrachium, and changing becomes the counterweight that can move back and forth on postbrachium.Like this, when the tower crane hoisting heavy, counterweight can be moved to the balance position that is complementary with hoisting heavy; When tower crane is not worked, counterweight can be moved to postbrachium near body of the tower one end, to alleviate the partially heavy heavy burden effect of counterweight to greatest extent to tower crane.Make original fixed weight become the tower crane movable balancing weight thus.Under this structure and corresponding work mode, just can make tower crane keep state of equilibrium constantly, the stability when both having guaranteed tower crane work has been eliminated the heavy partially state of heavy burden when tower crane is not worked again, and making the working mechanism of tower crane more reasonable, prolonged service life.
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is a structural representation of the present utility model.
As shown in the figure, forearm 9, postbrachium 2 and operator's compartment 8 are arranged on the body of the tower 6 of tower crane, dolly 11 and suspension hook 10 are arranged on the forearm 9, counterweight 5 is arranged on the postbrachium 2, towline 1 is connected between body of the tower 6 and the front and back arm.Be provided with track 3 on tower crane postbrachium 2, this track can be identical with the track mode on the forearm 9.Be provided with roller 4 in the track 3, counterweight 5 is joined by roller 4 and postbrachium 2.Its a kind of connection mode is, the hanging basket 5a upper end of counterweight 5 joins with roller 4, and the top of hanging basket 5a is provided with a pipe link, and pipe link stretches between two tracks 3 on the postbrachium 2, is attempted by on the driving device between operator's compartment 8 and the postbrachium tail end.Can in operator's compartment, control moving back and forth of counterweight 5 like this.The another kind of connection mode of counterweight 5 is, is provided with dolly 7 on postbrachium 2, and this dolly is analogous to the dolly 11 on the forearm 9, does not just have the winding mechanism of suspension hook steel cable.The bottom of dolly 7 connects roller 4, and the hanging basket 5a upper end of counterweight 5 joins with dolly 7.Dolly 7 adopt with forearm 9 on identical type of drive on postbrachium 2, realize moving back and forth.
In operator's compartment horizontal visualizer can be set, the drift condition that makes the operator can observe body of the tower or front and back arm in view of the above by controlling and driving motor and driving device, is adjusted the position of counterweight 5.Also can design a kind of water-level contact switch, and make it to join, the automatic guidance that the counterweight that is complementary with realization and hoisting heavy is shifted with automatic control circuit.
Claims (3)
1, a kind of tower crane movable balancing weight is characterized in that being provided with track (3) on tower crane postbrachium (2), and roller (4) is set in the track, and counterweight (5) is joined by roller (4) and postbrachium (2).
2, tower crane movable balancing weight according to claim 1 is characterized in that hanging basket (5a) upper end of counterweight (5) joins with roller (4).
3, tower crane movable balancing weight according to claim 1 is characterized in that being provided with dolly (7) on postbrachium (2), and the bottom of dolly (7) connects roller (4), and hanging basket (5a) upper end of counterweight (5) joins with dolly (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01276775 CN2516522Y (en) | 2001-02-26 | 2001-12-18 | Tower crane movable balancing weight |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01204092 | 2001-02-26 | ||
| CN01204092.4 | 2001-02-26 | ||
| CN 01276775 CN2516522Y (en) | 2001-02-26 | 2001-12-18 | Tower crane movable balancing weight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2516522Y true CN2516522Y (en) | 2002-10-16 |
Family
ID=34064514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01276775 Expired - Fee Related CN2516522Y (en) | 2001-02-26 | 2001-12-18 | Tower crane movable balancing weight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2516522Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880013A (en) * | 2010-05-31 | 2010-11-10 | 山东送变电工程公司 | Movable counterweight system of cantilever type crane |
| CN101934989A (en) * | 2010-06-04 | 2011-01-05 | 何昀旭 | Dynamic balance building tower crane |
| CN103654610A (en) * | 2012-09-02 | 2014-03-26 | 江苏雄宇重工科技股份有限公司 | Rail type hanging basket |
-
2001
- 2001-12-18 CN CN 01276775 patent/CN2516522Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880013A (en) * | 2010-05-31 | 2010-11-10 | 山东送变电工程公司 | Movable counterweight system of cantilever type crane |
| CN101880013B (en) * | 2010-05-31 | 2012-02-08 | 山东送变电工程公司 | Movable counterweight system of cantilever type crane |
| CN101934989A (en) * | 2010-06-04 | 2011-01-05 | 何昀旭 | Dynamic balance building tower crane |
| CN103654610A (en) * | 2012-09-02 | 2014-03-26 | 江苏雄宇重工科技股份有限公司 | Rail type hanging basket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |