CN203345993U - Crane and winch decelerator assembly for installation of tower arm movable pulley of same - Google Patents
Crane and winch decelerator assembly for installation of tower arm movable pulley of same Download PDFInfo
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- CN203345993U CN203345993U CN 201320311868 CN201320311868U CN203345993U CN 203345993 U CN203345993 U CN 203345993U CN 201320311868 CN201320311868 CN 201320311868 CN 201320311868 U CN201320311868 U CN 201320311868U CN 203345993 U CN203345993 U CN 203345993U
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- movable pulley
- tower arm
- arm movable
- steel rope
- flange
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Abstract
The utility model discloses a crane and a winch decelerator assembly for an installation of a tower arm movable pulley of the crane. The winch decelerator assembly for the installation of the tower arm movable pulley comprises a winch motor, a winding drum and a decelerator, wherein the winch motor is connected with the decelerator; the decelerator is fixedly connected with the winding drum; the winding drum comprises a first winding part and a second winding part; a steel rope is winded on a main winch by the first winding part ; and a steel rope for the installation of the tower arm movable pulley is winded by the second winding drum. Power is supplied by a single winch decelerator in the utility model and work to be completed by two winches is achieved by one winch decelerator, thereby obtaining low cost; and if something is wrong to the steel rope for the installation of the tower arm movable pulley, installation work can also be accomplished by the steel rope on the main winch, thereby providing double security.
Description
Technical field
The utility model relates to the hoisting crane technical field, and particularly a kind of hoisting crane and tower arm movable pulley thereof are installed the hoisting speed reducer assembly of use.
Background technology
At present, jenny is hoister in large tonnage especially, and lifting altitude and hoisting capacity are all had to very high requirement, and under such background, tower arm technology is widely applied.
With reference to Fig. 1, the tower arm mainly contains following a few part and forms: tower arm family of four (variable section fundamental segment 100, front mast 200, rear mast 400, auxiliary adapter 300), large small bore standard knot, variable section standard knot, arm head volume and hoisting speed reducer 800.Between variable section fundamental segment 100, front mast 200, rear mast 400, with suitable arm-tie 1000, be rigidly connected, be connected by arm-tie 1000, running block 600, fixed pulley group 700 and steel rope 500 between rear mast 400 and turntable 900, realize the luffing action of tower arm by the folding and unfolding of hoisting rope 500.
But the problem run into is how running block 600 to be connected with rear mast 400 by arm-tie 1000.At present running block two kinds of modes are installed:
The first,, by using small crane to pull out running block and steel rope, complete and be connected with arm-tie after reaching appropriate length.Need the help of small crane, cumbersome.
The second, by the assistance of master winch steel rope, walk around rear mast pulley, with running block, be connected, utilize the recovery of master winch to reach the purpose of traction running block, traction puts in place afterwards and can test being connected of running block and arm-tie.
Because the diameter of master winch steel rope is generally thicker, when being wound around, effort also easily causes the infringements such as broken lot to steel rope, and the price of large-tonnage master winch steel rope is more expensive, therefore has higher risk.
Three, use two cover hoisting systems, a set of master winch system for normal operation use, a set of for being exclusively used in the installation of running block.Master winch system wirerope diameter is larger, and power is powerful, and auxiliary hoisting system wirerope diameter is less, and power is less.Obviously, use two cover hoisting system cost compares high.
The utility model content
In view of this, the utility model proposes the hoisting speed reducer that a kind of hoisting crane and tower arm movable pulley thereof are installed use, to facilitate being connected of movable pulley and rear mast phase, and potential risks are little, and required cost is low.
First aspect, the utility model discloses the hoisting speed reducer assembly that a kind of tower arm movable pulley is installed use, comprising: hoist motor, reel and reductor; Described hoist motor is connected with described reductor, and described reductor is fixedly connected with described reel; Described reel comprises the first wound portion and the second wound portion, and described the first wound portion is for the winding of master winch steel rope, and described the second wound portion is installed the winding with steel rope for tower arm movable pulley.
Further, above-mentioned tower arm movable pulley is installed in the hoisting speed reducer assembly of use, and described reductor is arranged at the inside of described reel.
Further, above-mentioned tower arm movable pulley is installed in the hoisting speed reducer assembly of use, also comprises the first flange, is arranged at the joint of described the first wound portion and described the second wound portion; Described the first flange is provided with at least one pair of first fixed orifice, described the first fixed orifice when installing with steel rope fixedly at described master winch steel rope or described tower arm movable pulley, is installed described master winch steel rope or described tower arm movable pulley to fix with steel rope by rope clamp.
Further, above-mentioned tower arm movable pulley is installed in the hoisting speed reducer assembly of use, also comprises the second flange, is arranged at the first end of described reel; Described the second flange is provided with at least one pair of second fixed orifice, and described the second fixed orifice is for, fixing described master winch steel rope by rope clamp fixedly the time at described master winch steel rope.
Further, above-mentioned tower arm movable pulley is installed in the hoisting speed reducer assembly of use, also comprises the 3rd flange, is arranged at the second end of described reel; Described the 3rd flange is provided with at least one pair of the 3rd fixed orifice, and described the 3rd fixed orifice is used for, when described tower arm movable pulley is installed with steel rope fixedly, by rope clamp, described tower arm movable pulley being installed and being fixed with steel rope.
Further, above-mentioned tower arm movable pulley is installed in the hoisting speed reducer assembly of use, and described the first fixed orifice, described the second fixed orifice and described the 3rd fixed orifice are circular hole; Described circular hole distributes along the even circumferential of described the first flange, described the second flange and described the 3rd flange respectively.
Further, above-mentioned tower arm movable pulley is installed in the hoisting speed reducer assembly of use, and the number of the described circular hole of described the first flange setting is four pairs; The number of the described circular hole of described the second flange setting is four pairs; The number of the described circular hole of described the 3rd flange setting is four pairs.
The utlity model has following advantage:
The first, in the utility model, reel comprises the first wound portion and the second wound portion, and the first wound portion is for the winding of master winch steel rope, and the second wound portion is installed the winding with steel rope for tower arm movable pulley.Can find out, the utility model utilizes single reductor that power is provided, and realizes the work that originally needs two cover elevators to complete, with low cost;
The second, hoisting speed reducer has the advantages that to be wound around two kinds of different-diameter steel ropes, can utilize the minor diameter steel rope to complete the installation of running block, if little steel rope goes wrong, also can use the master winch steel rope to complete this action, has the double insurance effect.
Second aspect, the invention also discloses a kind of hoisting crane, and this hoisting crane comprises the hoisting speed reducer assembly of above-mentioned any tower arm movable pulley installation use.The hoisting speed reducer assembly that use is installed due to tower arm movable pulley has above-mentioned technique effect, and therefore, the hoisting crane with hoisting speed reducer assembly of tower arm movable pulley installation use also has above-mentioned technique effect.
The accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is in correlation technique, adopts the structural representation of the hoister in large tonnage of tower arm technology;
Fig. 2 is the structural representation that the utility model tower arm movable pulley is installed the hoisting speed reducer assembly embodiment of use;
Fig. 3 is that the utility model tower arm movable pulley is installed in the hoisting speed reducer assembly embodiment of use, the structural representation of the first flange;
Fig. 4 is that the utility model tower arm movable pulley is installed in the hoisting speed reducer assembly embodiment of use, the scheme of installation of the second fixed orifice and rope clamp on the second flange.
Description of reference numerals
100 variable section fundamental segments
200 front masts
300 auxiliary adapters
400 rear masts
500 hoisting ropes
600 running blocks
700 fixed pulley groups
800 hoisting speed reducers
900 turntables
1000 arm-ties
1 hoist motor
2 reductors
3 reels
4 master winch steel ropes
5 tower arm movable pulleys are installed and are used steel rope
6 mounting flanges
7 first flanges
8 second flanges
9 the 3rd flanges
10 first fixed orifices
11 rope clamps
12 second fixed orifices
The specific embodiment
It should be noted that, in the situation that do not conflict, embodiment and the feature in embodiment in the utility model can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
For above-mentioned situation, the present invention is by the cable drum of the hoisting speed reducer of transformation hoisting crane self, make same hoisting speed reducer there are major-minor two cover steel ropes, reach the work that is connected that the auxiliary steel wire rope mechanism that utilizes self completes running block and rear mast, avoid using the master winch steel rope.
Below in conjunction with Fig. 2 to Fig. 4, preferred embodiment of the present utility model is described in further detail.
As can be seen from Figure 2, the hoisting speed reducer assembly of the utility model tower arm movable pulley installation use comprises: hoist motor 1, reel 3 and reductor 2; Hoist motor 1 is connected with reductor 2, and reductor 2 is fixedly connected with reel 3; Reel 3 comprises the first wound portion and the second wound portion, and the first wound portion is for the winding of master winch steel rope 4, and the second wound portion is installed the winding with steel rope 5 for tower arm movable pulley.By mounting flange 6, install.
That is to say, the present embodiment redesigns existing reel, make the reductor driven by a motor there is the function that is wound around two kinds of different-diameter steel ropes, large diameter steel rope is as the master winch hoist rope, minor diameter (diameter 8mm, bending spring is little) is installed and is used steel rope as tower arm movable pulley, for pulling running block, this steel rope is connected with running block after can easily walking around the pulley of rear mast after pulling out, and rolling can reach the purpose of pulling out running block after raising.
The utlity model has following advantage:
The first, in the utility model, reel comprises the first wound portion and the second wound portion, and the first wound portion is for the winding of master winch steel rope, and the second wound portion is installed the winding with steel rope for tower arm movable pulley.Can find out, the utility model utilizes single reductor that power is provided, and realizes the work that originally needs two cover elevators to complete, with low cost;
The second, hoisting speed reducer has the advantages that to be wound around two kinds of different-diameter steel ropes, can utilize the minor diameter steel rope to complete the installation of running block, if little steel rope goes wrong, also can use the master winch steel rope to complete this action, has the double insurance effect.
In one embodiment, also can as shown in Figure 2, reductor 2 be arranged to the inside of reel 3.
Further, while working alone with steel rope 5 in order to install at master winch steel rope 4 or tower arm movable pulley, guarantee that another steel rope can fix its position when elevator rotates, while preventing another set of steel rope work, produce the disorder cable phenomenon, can also flanged structure be set in the outside of reel 3.
With reference to Fig. 3, in one embodiment, in the hoisting speed reducer assembly of tower arm movable pulley installation use, also comprise the first flange 7; The first flange 7 is arranged at the joint of the first wound portion and the second wound portion; When the first flange 7 is provided with at least one pair of first fixed orifice 10, the first fixed orifice 10 and needs fixedly for installing at master winch steel rope 4 or tower arm movable pulley with steel rope 5, by rope clamp, these two steel ropes are fixed.
Further, with reference to Fig. 4, for fixing of convenient master winch steel rope 4, the hoisting speed reducer assembly that tower arm movable pulley is installed use also comprises the second flange 8; The second flange 8 is arranged at the first end of reel 3; The second flange 8 is provided with at least one pair of second fixed orifice 12, the second fixed orifice 12 for when master winch steel rope 4 needs fixedly, by rope clamp, that described master winch steel rope 4 is fixing.Fig. 4 shows the utility model tower arm movable pulley and installs in the hoisting speed reducer assembly embodiment of use, the scheme of installation of the second fixed orifice 12 and rope clamp 11 on the second flange 8.On the first flange 7 and the 3rd flange 9, the installation of fixed orifice and rope clamp similarly.
Further, referring again to Fig. 2, for convenient tower arm movable pulley, install and use the fixing of steel rope 5, the hoisting speed reducer assembly that tower arm movable pulley is installed use also comprises the 3rd flange 9; The 3rd flange 9 is arranged at the second end of reel 3; The 3rd flange 9 is provided with at least one pair of the 3rd fixed orifice (not shown), when the 3rd fixed orifice needs fixedly for installing at tower arm movable pulley with steel rope 5, by rope clamp, this steel rope is fixed.
During concrete enforcement, the first fixed orifice 10, the second fixed orifice 12 and the 3rd fixed orifice can be circular hole.And, the first flange 7, the second flange 8 and the 3rd flange 9 can comprise the circular hole that multipair (for example, four pairs) distributes along even circumferential, certainly, the first fixed orifice 10, the second fixed orifice 12 and the 3rd fixed orifice can be also the hole of square hole or other shapes, and the utility model is not done restriction to this.
Second aspect, the invention also discloses a kind of hoisting crane, and this hoisting crane comprises the hoisting speed reducer assembly of above-mentioned any tower arm movable pulley installation use.The hoisting speed reducer assembly that use is installed due to tower arm movable pulley has above-mentioned technique effect, and therefore, the hoisting crane with hoisting speed reducer assembly of tower arm movable pulley installation use also has above-mentioned technique effect.
These are 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 (8)
1. a tower arm movable pulley is installed the hoisting speed reducer assembly of use, comprising: hoist motor (1), reel (3) and reductor (2); Described hoist motor (1) is connected with described reductor (2), and described reductor (2) is fixedly connected with described reel (3); It is characterized in that,
Described reel (3) comprises the first wound portion and the second wound portion, and described the first wound portion is for the winding of master winch steel rope (4), and described the second wound portion is installed the winding with steel rope (5) for tower arm movable pulley.
2. tower arm movable pulley according to claim 1 is installed the hoisting speed reducer assembly of use, it is characterized in that,
Described reductor (2) is arranged at the inside of described reel (3).
3. tower arm movable pulley according to claim 1 and 2 is installed the hoisting speed reducer assembly of use, it is characterized in that,
Also comprise the first flange (7), be arranged at the joint of described the first wound portion and described the second wound portion;
Described the first flange (7) is provided with at least one pair of first fixed orifice (10), when described the first fixed orifice (10) needs fixedly for installing at described master winch steel rope (4) or described tower arm movable pulley with steel rope (5), by rope clamp, described master winch steel rope (4) or described tower arm movable pulley are installed with steel rope (5) and fixed.
4. tower arm movable pulley according to claim 3 is installed the hoisting speed reducer assembly of use, it is characterized in that,
Also comprise the second flange (8), be arranged at the first end of described reel (3);
Described the second flange (8) is provided with at least one pair of second fixed orifice (12), and described the second fixed orifice (12) when needing fixedly at described master winch steel rope (4), is fixed described master winch steel rope (4) by rope clamp (11).
5. tower arm movable pulley according to claim 4 is installed the hoisting speed reducer assembly of use, it is characterized in that,
Also comprise the 3rd flange (9), be arranged at the second end of described reel (3);
Described the 3rd flange (9) is provided with at least one pair of the 3rd fixed orifice, when described the 3rd fixed orifice needs fixedly for installing at described tower arm movable pulley with steel rope (5), by rope clamp, by described tower arm movable pulley, installs with steel rope (5) fixing.
6. tower arm movable pulley according to claim 5 is installed the hoisting speed reducer assembly of use, it is characterized in that,
Described the first fixed orifice (10), described the second fixed orifice (12) and described the 3rd fixed orifice are circular hole;
Described circular hole distributes along the even circumferential of described the first flange (7), described the second flange (8) and described the 3rd flange (9) respectively.
7. tower arm movable pulley according to claim 6 is installed the hoisting speed reducer assembly of use, it is characterized in that,
The number of the described circular hole that described the first flange (7) arranges is four pairs;
The number of the described circular hole that described the second flange (8) arranges is four pairs;
The number of the described circular hole that described the 3rd flange (9) arranges is four pairs.
8. a hoisting crane, is characterized in that, is provided with the hoisting speed reducer assembly that tower arm movable pulley as described as any one in claim 1 to 7 is installed use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320311868 CN203345993U (en) | 2013-05-31 | 2013-05-31 | Crane and winch decelerator assembly for installation of tower arm movable pulley of same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320311868 CN203345993U (en) | 2013-05-31 | 2013-05-31 | Crane and winch decelerator assembly for installation of tower arm movable pulley of same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203345993U true CN203345993U (en) | 2013-12-18 |
Family
ID=49745917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320311868 Withdrawn - After Issue CN203345993U (en) | 2013-05-31 | 2013-05-31 | Crane and winch decelerator assembly for installation of tower arm movable pulley of same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203345993U (en) |
-
2013
- 2013-05-31 CN CN 201320311868 patent/CN203345993U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131218 Effective date of abandoning: 20200430 |