CN104649142A - Self-adjusting loose pulley set - Google Patents
Self-adjusting loose pulley set Download PDFInfo
- Publication number
- CN104649142A CN104649142A CN201510051962.4A CN201510051962A CN104649142A CN 104649142 A CN104649142 A CN 104649142A CN 201510051962 A CN201510051962 A CN 201510051962A CN 104649142 A CN104649142 A CN 104649142A
- Authority
- CN
- China
- Prior art keywords
- pulley
- roller arm
- fixed pulley
- self
- rod
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a self-adjusting loose pulley set. A first pulley rod is arranged on a first bracket; a first fixed pulley sleeves the first pulley rod and can move along the axial direction of the first pulley rod; a second pulley rod is arranged on a second bracket; a second fixed pulley sleeves the second pulley rod and can move along the axial direction of the second pulley rod; the first pulley rod and the second pulley rod are parallel and are not located on the same straight line; a movable pulley is located between the first fixed pulley and the second fixed pulley; and a pulling rope sequentially rotates around the first fixed pulley, the movable pulley and the second fixed pulley. According to the self-adjusting loose pulley set disclosed by the invention, on one hand, the movable pulley is lifted from two ends through the pulling rope, and the hoisting and lifting rate is increased, on the other hand, the pulling rope rotates around the swinging fixed pulleys on two sides of the movable pulley, and the rope entering angle of the pulling rope can be timely adjusted, so as to reduce swinging of the pulling rope in the take-up and pay-off processes.
Description
Technical field
The present invention relates to lifting technical field, particularly relate to a kind of self-regulation pleasure boat group.
Background technology
Pleasure boat frame is one of the common tool in adjustment hauling rope direction, and major part is fixed pulley, when hauling rope is drawn by pay off rack, is then drawn by the fixed pulley on pleasure boat frame.There are the following problems for existing pleasure boat frame: the direction of hauling rope can only be changed in a plane, fixed pulley position adjustment simultaneously on pleasure boat frame is dumb, because hauling rope is longer, the roll of pay off rack is longer, in actual unwrapping wire process, along with hauling rope occur that the position of the relative roll of end position occurs axially to change time, the rope feeding angle of hauling rope can change, and the position of fixed pulley cannot adjust in time, cause superimposing thread phenomenon occurs.
Summary of the invention
For solving the technical matters existed in background technology, the present invention proposes a kind of self-regulation pleasure boat group, and structure is simple, improves lifting rising or falling speed, and can adjust the rope feeding angle of hauling rope in time.
A kind of self-regulation pleasure boat group that the present invention proposes, comprising: the first support, the second support, the first roller arm, the second roller arm, the first fixed pulley, the second fixed pulley, movable pulley;
First roller arm is arranged on the first support, and it is outer and can move axially along the first roller arm that the first fixed pulley is enclosed within the first roller arm;
Second roller arm is arranged on the secondary support bracket, and it is outer and can move axially along the second roller arm that the second fixed pulley is enclosed within the second roller arm;
First support and the second support are oppositely arranged, and make the first roller arm parallel with the second roller arm and are not located along the same line, and movable pulley is between the first fixed pulley and the second fixed pulley, and hauling rope walks around the first fixed pulley, movable pulley and the second fixed pulley successively.
Preferably, clutch shaft bearing is provided with between the first fixed pulley and the first roller arm.
Preferably, the second bearing is provided with between the second fixed pulley and the second roller arm.
Preferably, the first roller arm and the second roller arm are positioned in same level.
In the present invention, the self-regulation pleasure boat group proposed, first roller arm is arranged on the first support, it is outer and can move axially along the first roller arm that first fixed pulley is enclosed within the first roller arm, second roller arm is arranged on the secondary support bracket, it is outer and can move axially along the second roller arm that second fixed pulley is enclosed within the second roller arm, first roller arm is parallel with the second roller arm and be not located along the same line, movable pulley is between the first fixed pulley and the second fixed pulley, and hauling rope walks around the first fixed pulley, movable pulley and the second fixed pulley successively.By the self-regulation pleasure boat group of above-mentioned optimal design, on the one hand, by hauling rope from two ends hoisting movable pulley, improve lifting rising or falling speed, on the other hand, hauling rope all walks around swingable fixed pulley in movable pulley both sides, can adjust the rope feeding angle of hauling rope in time, thus reduces the swing in hauling rope retractable cable process.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of self-regulation pleasure boat group that the present invention proposes.
Detailed description of the invention
As shown in Figure 1, Fig. 1 is the structural representation of a kind of self-regulation pleasure boat group that the present invention proposes.
With reference to Fig. 1, a kind of self-regulation pleasure boat group that the present invention proposes, comprising: the first support 1, second support 2, first roller arm 3, second roller arm 4, first fixed pulley 5, second fixed pulley 6, movable pulley 7;
First roller arm 3 is arranged on the first support 1, and it is outer and can move axially along the first roller arm 3 that the first fixed pulley 5 is enclosed within the first roller arm 3, is provided with clutch shaft bearing between the first fixed pulley 5 and the first roller arm 3;
Second roller arm 4 is arranged on the second support 2, and it is outer and can move axially along the second roller arm 4 that the second fixed pulley 6 is enclosed within the second roller arm 4, is provided with the second bearing between the second fixed pulley 6 and the second roller arm 4;
First support 1 and the second support 2 are oppositely arranged, make the first roller arm 3 parallel with the second roller arm 4 and be positioned in same level, first roller arm 3 and the second roller arm 4 are not located along the same line simultaneously, movable pulley 7 is between the first fixed pulley 5 and the second fixed pulley 6, and hauling rope walks around the first fixed pulley 5, movable pulley 7 and the second fixed pulley 6 successively.
In lifting process, first the first fixed pulley and the second fixed pulley position respectively on the first roller arm and the second roller arm is regulated, make the first fixed pulley relative with the second fixed pulley position, carry out take-up by the take-up and pay-off device connecting hauling rope two ends simultaneously, movable pulley lift stroke increases, accelerate the lifting speed of material, when the position that simultaneously hauling rope enters the relative roll in end position occurs axially to change, the rope feeding angle of hauling rope changes, first fixed pulley and the second fixed pulley are along with rope feeding angle change corresponding movement vertically on roller arm, automatically to adjust the rope feeding angle of hauling rope in time, thus reduce the swing of hauling rope, avoid superimposing thread to occur.
In the present embodiment, the self-regulation pleasure boat group proposed, first roller arm is arranged on the first support, it is outer and can move axially along the first roller arm that first fixed pulley is enclosed within the first roller arm, second roller arm is arranged on the secondary support bracket, it is outer and can move axially along the second roller arm that second fixed pulley is enclosed within the second roller arm, first roller arm is parallel with the second roller arm and be not located along the same line, movable pulley is between the first fixed pulley and the second fixed pulley, and hauling rope walks around the first fixed pulley, movable pulley and the second fixed pulley successively.By the self-regulation pleasure boat group of above-mentioned optimal design, on the one hand, by hauling rope from two ends hoisting movable pulley, improve lifting rising or falling speed, on the other hand, hauling rope all walks around swingable fixed pulley in movable pulley both sides, can adjust the rope feeding angle of hauling rope in time, thus reduces the swing in hauling rope retractable cable process.
In a specific embodiment, between the first fixed pulley and the first roller arm, be provided with clutch shaft bearing, be provided with the second bearing between the second fixed pulley and the second roller arm, change cliding friction into friction of rolling, reduce the friction force of fixed pulley movement on roller arm.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (4)
1. a self-regulation pleasure boat group, it is characterized in that, comprising: the first support (1), the second support (2), the first roller arm (3), the second roller arm (4), the first fixed pulley (5), the second fixed pulley (6), movable pulley (7);
First roller arm (3) is arranged on the first support (1), and the first fixed pulley (5) is enclosed within the first roller arm (3) and can move axially along the first roller arm (3) outward;
Second roller arm (4) is arranged on the second support (2), and the second fixed pulley (6) is enclosed within the second roller arm (4) and can move axially along the second roller arm (4) outward;
First support (1) and the second support (2) are oppositely arranged, make the first roller arm (3) parallel with the second roller arm (4) and be not located along the same line, movable pulley (7) is positioned between the first fixed pulley (5) and the second fixed pulley (6), and hauling rope walks around the first fixed pulley (5), movable pulley (7) and the second fixed pulley (6) successively.
2. self-regulation pleasure boat group according to claim 1, is characterized in that, is provided with clutch shaft bearing between the first fixed pulley (5) and the first roller arm (3).
3. self-regulation pleasure boat group according to claim 1, is characterized in that, is provided with the second bearing between the second fixed pulley (6) and the second roller arm (4).
4. self-regulation pleasure boat group according to claim 1, is characterized in that, the first roller arm (3) and the second roller arm (4) are positioned in same level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510051962.4A CN104649142A (en) | 2015-01-30 | 2015-01-30 | Self-adjusting loose pulley set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510051962.4A CN104649142A (en) | 2015-01-30 | 2015-01-30 | Self-adjusting loose pulley set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104649142A true CN104649142A (en) | 2015-05-27 |
Family
ID=53240864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510051962.4A Pending CN104649142A (en) | 2015-01-30 | 2015-01-30 | Self-adjusting loose pulley set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104649142A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565179A (en) * | 2016-02-29 | 2016-05-11 | 芜湖合建路桥机械有限公司 | Stable lifting and conveying type tower crane |
-
2015
- 2015-01-30 CN CN201510051962.4A patent/CN104649142A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565179A (en) * | 2016-02-29 | 2016-05-11 | 芜湖合建路桥机械有限公司 | Stable lifting and conveying type tower crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150527 |