CN201793322U - Lifting mechanism of crane - Google Patents
Lifting mechanism of crane Download PDFInfo
- Publication number
- CN201793322U CN201793322U CN2010205093387U CN201020509338U CN201793322U CN 201793322 U CN201793322 U CN 201793322U CN 2010205093387 U CN2010205093387 U CN 2010205093387U CN 201020509338 U CN201020509338 U CN 201020509338U CN 201793322 U CN201793322 U CN 201793322U
- Authority
- CN
- China
- Prior art keywords
- reel
- fixed pulley
- vehicle frame
- pulley group
- crane
- 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 discloses a lifting mechanism of a crane and belongs to the technical field of the carne. The lifting mechanism mainly comprises a winding drum, a fixed pulley block and a pulley beam, wherein the winding drum is rotatably arranged on the upper end surface of a chassis by two bearing pedestals; the fixed pulley block is connected with a lifting hook component through a rope; one end of the rope is fixed on the winding drum; and the pulley beam is used for installing the fixed pulley block and arranged on the upper end surface of the chassis. In the utility model, by changing the installation position of the fixed pulley block, the fixed pulley block is convenient for maintenance and the lifting height of a heavy article is increased.
Description
Technical field
The utility model relates to the hoisting crane technical field, relates in particular to a kind of crane hoisting mechanism.
Background technology
All rely on lifting mechanism by the rope connecting shackle weight of slinging during hoisting crane lifting weight, traditional lifting mechanism comprises the reel on the vehicle frame that is installed in walking dolly and rotates the fixed pulley group that is installed on the vehicle frame, wherein the installation site of fixed pulley group is positioned on the vehicle frame of reel below, though this structure makes the hoisting crane compact overall structure, but, there is following shortcoming:
1, time-consuming, effort during maintenance fixed pulley group because the fixed pulley group is positioned at the below of reel, is subjected to space constraint, as will safeguarding or change very difficulty of assembly pulley, even will dismantle parts such as reel, increases workman's work capacity;
2, the weight hoisting depth is limited, the weight hoisting depth is subjected to the restriction of fixed pulley group position height, because the fixed pulley group is positioned on the cross member of frame of reel below, so weight can only the highlyest be promoted to the cross member of frame below apart from fixed pulley group half meter height and position nearly;
When 3, lifting weight, the fixed pulley group is subjected to oblique pulling, can cause the vehicle frame fatigue of walking dolly impaired, influences the normal operation of hoisting crane.
The utility model content
Technical problem to be solved in the utility model is: a kind of crane hoisting mechanism is provided, by changing the installation site of fixed pulley group, makes the fixed pulley group be convenient to safeguard, improved the hoisting depth of weight simultaneously.
For solving the problems of the technologies described above, the technical solution of the utility model is: crane hoisting mechanism comprises and rotates the reel that is installed on the vehicle frame that described reel is installed on the upper surface of described vehicle frame by bearing seat; Be used for fixed pulley group by rope connecting shackle assembly; Described lifting mechanism also comprises the pulley beam that is used to install described fixed pulley group, and described pulley beam is installed on the upper surface of described vehicle frame.
As a kind of improvement, described pulley beam is articulated on the described vehicle frame.
As further improvement, the two ends of described reel are equipped with the rotating shaft that is fixed together with described reel, and described reel is installed on the described vehicle frame by two bearing seats, and pairing bearing seat is stretched out in the rotating shaft of the power intake of described reel.
After having adopted technique scheme, the beneficial effects of the utility model are: because the fixed pulley group is installed on the pulley beam, and the pulley beam is installed on the upper surface of vehicle frame, make the installation site of fixed pulley group transfer to the vehicle frame upper surface of walking dolly from the below of reel, it is big that installing space becomes, maintenance and easy to maintenance; Because the position on vehicle frame of fixed pulley group is improved, make also corresponding being improved of hoisting depth of weight, compare with traditional lifting mechanism, do not changing under other conditions, the hoisting depth of weight has improved half meter nearly, is equivalent to the height of vehicle frame, if on traditional crane hoisting mechanism, will reach this effect, remove the height of leaveing no choice but change factory building, the position of hoisting crane walking dolly is improved half meter, can realize.
Because the pulley beam is articulated on the vehicle frame of walking dolly, when the fixed pulley group because tiltedly the drawing when stressed of rope, the pulley beam can rotate an angle around jointed shaft, make the oblique pulling that acts on the fixed pulley group become the positive pressure that acts on the pulley beam, improve the force-bearing situation of walking dolly vehicle frame, prolonged the service life of crane hoisting mechanism.
Because reel rotates by two bearing seats and is installed on the vehicle frame, make reel can rely on the output shaft of reductor to support, thereby when maintenance or replacing reductor, needn't dismantle reel, compare with traditional lifting mechanism, traditional reel is a cantilevered, one end is installed on the vehicle frame by bearing seat, and the output shaft direct connection of the other end and reductor is when safeguarding reductor, reel need be disassembled together, therefore increase a lot of labor contents; And adopt the mounting means of two bearing seats with the hinged support of reel, can dismantle reductor easily and do not influence the stressed of reel.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the plan structure scheme drawing of Fig. 1;
Among the figure: 1, vehicle frame, 2, reel, 3, the fixed pulley group, 31, fixed pulley, 4, hook assembly, 5, the pulley beam, 6, rope, 7, bearing seat, 8, pulley beam bearing seat.
The specific embodiment
As depicted in figs. 1 and 2, a kind of crane hoisting mechanism, mainly comprise reel 2 and fixed pulley group 3, described reel 2 rotates and is installed on the upper surface of described vehicle frame 1, fixed pulley group 3 is by rope 6 connecting shackle assemblies 4, one end of rope 6 is fixed on the reel 2, the other end is fixed on the fixed pulley group 3, rope 6 is wound between the running block of fixed pulley group 3 and hook assembly 4, under the power driven of reductor, reel 2 rotates, and rope 6 is reeled on reel 2, and hook assembly 4 drives weight and rises.Described lifting mechanism also comprises the pulley beam 5 that is used to install described fixed pulley group 3, the fixed pulley 31 of described fixed pulley group 3 all rotates and is installed on the described pulley beam 5, described pulley beam 5 is installed on the upper surface of described vehicle frame 1, described pulley beam 5 is articulated on the described vehicle frame 1 by two pulley beam bearing seats 8, when fixed pulley group 3 because tiltedly the drawing when stressed of rope 6, pulley beam 5 can be swung an angle, automatic capturing, make the oblique pulling that acts on the fixed pulley group 3 become the positive pressure that acts on the pulley beam 5, improve the force-bearing situation of walking dolly vehicle frame 1.
The two ends of described reel 2 are equipped with the rotating shaft that is fixed together with described reel 2, described reel 2 is installed on the described vehicle frame by two bearing seats 7, pairing bearing seat 7 is stretched out in the rotating shaft of the power intake of described reel 2, during use, the output shaft of reductor connects by coupler with the rotating shaft of the power intake of reel 2, when needs dismounting reductor, can easily reel 2 be separated with reductor, and not influence the stressed of reel 2.
The utility model is not limited to above-mentioned concrete embodiment, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done all drop within the protection domain of the present utility model.
Claims (3)
1. crane hoisting mechanism comprises
Rotation is installed on the reel on the vehicle frame;
Be used for fixed pulley group by rope connecting shackle assembly; It is characterized in that:
Described reel is installed on the upper surface of described vehicle frame;
Described lifting mechanism also comprises the pulley beam that is used to install described fixed pulley group, and described pulley beam is installed on the upper surface of described vehicle frame.
2. crane hoisting mechanism as claimed in claim 1 is characterized in that: described pulley beam is articulated on the described vehicle frame.
3. crane hoisting mechanism as claimed in claim 2, it is characterized in that: the two ends of described reel are equipped with the rotating shaft that is fixed together with described reel, described reel is installed on the described vehicle frame by two bearing seats, and pairing bearing seat is stretched out in the rotating shaft of the power intake of described reel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205093387U CN201793322U (en) | 2010-08-27 | 2010-08-27 | Lifting mechanism of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205093387U CN201793322U (en) | 2010-08-27 | 2010-08-27 | Lifting mechanism of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201793322U true CN201793322U (en) | 2011-04-13 |
Family
ID=43848243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205093387U Expired - Fee Related CN201793322U (en) | 2010-08-27 | 2010-08-27 | Lifting mechanism of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201793322U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920908A (en) * | 2010-08-27 | 2010-12-22 | 山起重型机械股份公司 | Crane hoisting mechanism |
| CN105016201A (en) * | 2015-08-15 | 2015-11-04 | 河南省华祥起重机械有限公司 | Pulley beam assembly of electric hoist |
| CN105502195A (en) * | 2016-02-01 | 2016-04-20 | 王历鑫 | Crane as well as crane carriage and lifting mechanism thereof |
-
2010
- 2010-08-27 CN CN2010205093387U patent/CN201793322U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920908A (en) * | 2010-08-27 | 2010-12-22 | 山起重型机械股份公司 | Crane hoisting mechanism |
| CN105016201A (en) * | 2015-08-15 | 2015-11-04 | 河南省华祥起重机械有限公司 | Pulley beam assembly of electric hoist |
| CN105502195A (en) * | 2016-02-01 | 2016-04-20 | 王历鑫 | Crane as well as crane carriage and lifting mechanism thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20130827 |