CN104773665B - fixed pulley - Google Patents
fixed pulley Download PDFInfo
- Publication number
- CN104773665B CN104773665B CN201510214643.0A CN201510214643A CN104773665B CN 104773665 B CN104773665 B CN 104773665B CN 201510214643 A CN201510214643 A CN 201510214643A CN 104773665 B CN104773665 B CN 104773665B
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- CN
- China
- Prior art keywords
- pulley
- locking
- hole
- groove
- pressing plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
Abstract
The invention discloses a fixed pulley. The fixed pulley comprises a fixed frame, a pulley mechanism and a locking mechanism, wherein the fixed frame comprises a hollow sleeve and a U-shaped clamping groove, the U-shaped clamping groove is fixedly connected to one end part of the hollow sleeve, and a U-shaped cross section of the U-shaped clamping groove is parallel to the axis of the hollow sleeve; the pulley mechanism comprises a pulley support and a pulley, and the pulley is movably connected with the pulley support; the locking mechanism comprises two locking rods, a pressure plate and two locking sleeves, each locking rod is respectively fixed on each supporting rod, two end parts of the pressure plate in the length direction are respectively provided with a through hole or a through groove, the pressure plate sleeves the two locking rods by utilizing the through hole or the through groove, and the pressure plate is arranged between the locking sleeve and the fixed end of the locking rod. By adopting the fixed pulley, the abrasion of a transmission belt is small, the manpower cost is remarkably saved, the operation safety is high, the structure is stable, and the use is convenient.
Description
Technical field
The present invention relates to a kind of fixed pulley, the fixed pulley being especially affixed on the guardrail of deck.
Background technology
When constructing on dock, harbour, it is sometimes desirable to following article is mentioned on the deck of ship, for the ease of lifting,
Workmen typically can ride over the driving belt of lifting on the guardrail of ship, then with guardrail to support, by pulling transmission
Belt, article is lifted on the deck of ship.
As the height on ground to deck is about 14m-20m, height is higher, and just stretchy is driven skin with joint efforts to need 3-5 people
Band, and driving belt and guardrail phase mutual friction during drawing, can cause the abrasion of driving belt, easily produce safety hidden
Suffer from.
The content of the invention
The technical problem to be solved in the present invention is pull in prior art driving belt to expend a large amount of manpowers, biography to overcome
Dynamic belt is easy to wear, the low defect of processing safety, there is provided a kind of fixed pulley, and the fixed pulley can save significantly on human cost, right
The abrasion of driving belt is little, processing safety is high, Stability Analysis of Structures and easy to use.
The present invention is solving above-mentioned technical problem by following technical proposals：
A kind of fixed pulley, including fixed mount, pulley mechanism and retaining mechanism, its feature are that the fixed mount includes sky
The heart covers and U-shaped draw-in groove, and the U-shaped draw-in groove is fixedly connected on the one end of the hollow sleeve, and the U-shaped section of the U-shaped draw-in groove
Parallel to the axis of the hollow sleeve；
The pulley mechanism includes pulley bracket and pulley, and the pulley bracket includes two support bars, each support
The one end of bar is fixed on the outer surface of the hollow sleeve, and the other end of each support bar connects the pulley, institute
State pulley and described in two between support bar to be flexibly connected；
The retaining mechanism includes two check lock levers, a pressing plate and two lock sleeves, and each check lock lever is connected to often
Support bar described in one, and be parallel to each other between check lock lever described in two, the both ends of the length direction of the pressing plate have to be passed through
The size of perforation or groove, the through hole or groove is matched with the overall dimensions of each check lock lever, and the pressing plate is utilized
The through hole or groove are set in check lock lever described in two, and each lock sleeve is set with each check lock lever, described
Pressing plate is located between the lock sleeve and the fixing end of the check lock lever.
It is preferred that the hollow sleeve includes the first body, the second body and the first lock-screw, first body and
Two bodies are separated from each other, and first body and the second body are mutually matched to form the hollow sleeve, first locking screw
Nail penetrates first body and the second body and connects as one first body and the second body.Its positive progress
Effect is that this kind of design can make hollow sleeve be sheathed on the optional position of guardrail, and installation, convenient disassembly；
It is preferred that first body or the second body include a body and two flanges, the cross sectional shape of the body
Circular arc is, the outer surface of the circular arc of the body is divided into symmetrical left-hand face and right lateral surface；
The left-hand face and right lateral surface are provided with flange described in two with being respectively symmetrically, and is provided with each flange
One locking through hole, and the axis of the first locking through hole is perpendicular to the bottom surface of the arc surface of the body；
The first locking through hole on first body and the second body is mutually corresponded to.
It is preferred that the first locking through hole is screwed hole.
It is preferred that first body and the second body are the same component of identical.
It is preferred that the U-shaped draw-in groove includes U-shaped draw-in groove body and the second lock-screw, the opening point of the U-shaped draw-in groove body
Two second locking through holes, and the dead in line of the second locking through hole described in two are not provided with, second lock-screw is penetrated
Second locking through hole described in two.
It is preferred that the second locking through hole is screwed hole.
It is preferred that the check lock lever is threaded rod, the lock sleeve is locking nut.
It is preferred that the one end of the pressing plate is provided with through hole, the other end of the pressing plate is provided with U-lag, the U-shaped
Width of the opening direction of groove parallel to the pressing plate, and the U-lag open to the pressing plate edge simultaneously
It is in communication with the outside.
It is preferred that being chain connection between support bar described in the pulley and two.
The present invention positive effect be：
(1) driving belt is dilatory by pulley, and required dilatory force reduces, and the abrasion of driving belt reduces, and both saves
Human cost, improves the safety of operation again；
(2) fixed mount includes hollow sleeve and U-shaped draw-in groove, and U-shaped draw-in groove is fixedly connected on the one end of hollow sleeve, and U-shaped card
Axis of the U-shaped section of groove parallel to hollow sleeve, during mounting and fixing support, hollow sleeve is placed on guardrail, and U-shaped draw-in groove is stuck in by guardrail
Angle steel on, now, fixed mount is fixed on above-below direction and left and right directions, and structural stability is preferable；
(3) retaining mechanism includes two check lock levers, a pressing plate and two lock sleeves, and pressing plate is located at consolidating for lock sleeve and check lock lever
Between fixed end, driving belt is located between pressing plate and pulley, when needing to fix driving belt, only need to will be driven skin with pressing plate
Band is pressed on pulley, and is locked with lock sleeve, easy to operate and safe.
Description of the drawings
Structural representations of the Fig. 1 for the fixed pulley of present pre-ferred embodiments.
Structural representations of the Fig. 2 for the fixed mount in Fig. 1.
Structural representations of the Fig. 3 for the pressing plate in Fig. 1.
Description of reference numerals：
Fixed mount：1
Hollow sleeve：11 first bodies：111 bodies：1111
Flange：1112 first locking through holes：11121
Second body：112 first lock-screws：113
U-shaped draw-in groove：12 U-shaped draw-in groove bodies：121 second locking through holes：1211
Second lock-screw：122
Pulley mechanism：2 pulley brackets：21 support bars：211
Pulley：22
Retaining mechanism：3 check lock levers：31
Pressing plate：32 through holes：321 U-lags：322
Lock sleeve：33
S1：Width
Specific embodiment
A preferred embodiment is named, and combines accompanying drawing to become apparent from intactly illustrating the present invention.
In describing the invention, it is to be understood that term " on ", it is D score, "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outward " is based on orientation shown in the drawings or position
Relation, is for only for ease of the description present invention and simplifies description, rather than indicates or imply that the device or element of indication must have
Have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
A kind of fixed pulley, as shown in figure 1, including fixed mount 1, pulley mechanism 2 and retaining mechanism 3.Wherein, as shown in Fig. 2
Fixed mount 1 includes hollow sleeve 11 and U-shaped draw-in groove 12, and U-shaped draw-in groove 12 is fixed on the one end of hollow sleeve 11, and the U of U-shaped draw-in groove 12
Axis of the tee section parallel to hollow sleeve 11.During mounting and fixing support 1, hollow sleeve 11 is placed on guardrail, and U-shaped draw-in groove 12 is stuck in guardrail
On other angle steel, fixed mount 1 is fixed on above-below direction and left and right directions, it is ensured that the structural stability of fixed pulley.
Meanwhile, hollow sleeve 11 includes the first body 111, the second body 112 and the first lock-screw 113.First body 111
It is separated from each other with the second body 112, and the first body 111 and the second body 112 is mutually matched to form hollow sleeve 11.Especially,
First body 111 and the second body 112 can also be the same components of identical.
Wherein, the first body 111 or the second body 112 include a body 1111 and two flanges 1112, body 1111
Cross sectional shape is circular arc, and the outer surface of its circular arc is divided into symmetrical left-hand face and right lateral surface, two flanges
1112 are symmetrically fixed in the left-hand face and right lateral surface.The first locking through hole 11121 is provided with each flange 1112,
And which is screwed hole, its axis is perpendicular to the bottom surface of the arc surface of body 1111.
When the first body 111 and the second body 112 are mutually matched, each on the first body 111 and the second body 112
One locking through hole 11121 mutually correspondence, the first lock-screw 113 penetrates each first locking through hole 11121, by the first body
111 and second body 112 connect as one, formed hollow sleeve 11.This kind of design, can make hollow sleeve 11 be placed on appointing for guardrail
Meaning position, and installation, convenient disassembly.
In addition, U-shaped draw-in groove 12 includes U-shaped draw-in groove body 121 and the second lock-screw 122.The opening of U-shaped draw-in groove body 121
Two second locking through holes 1211 are had, and which is screwed hole, its axis overlaps.When U-shaped draw-in groove 12 is arranged in shield
After angle steel by hurdle, the second lock-screw 122 penetrates two second locking through holes 1211, and U-shaped draw-in groove 12 is locked on angle steel.
Additionally, as shown in figure 1, pulley mechanism 2 includes pulley bracket 21 and pulley 22, pulley bracket includes two support bars
211, the one end of each support bar 211 is fixed on the outer surface of hollow sleeve 11, and the other end connection of each support bar 211
There is pulley 22.To be flexibly connected between pulley 22 and two support bars 211, it is chain connection in the present embodiment.
Additionally, as shown in figure 1, retaining mechanism 3 includes two check lock levers 31, a pressing plate 32 and two lock sleeves 33.In this enforcement
In example, each check lock lever 31 is threaded rod, and is individually fixed on each support bar 211, and between two check lock levers 31 mutually
It is parallel.
As shown in figure 3, the one end of pressing plate 32 is provided with through hole 321, the other end is provided with U-lag 322, U-lag 322
Width S1 of the opening direction parallel to pressing plate, and which is opened to the edge of pressing plate, and be connected with the external world.Meanwhile,
The size of through hole 321 and U-lag 322 is matched with the overall dimensions of each check lock lever 31, and pressing plate 32 utilizes through hole 321
Or U-lag 322 is set on two check lock levers 31.Each lock sleeve 33 is set with each check lock lever 31, and pressing plate 32 is located at
Between the fixing end of lock sleeve 33 and check lock lever 31.Driving belt is located between pressing plate 32 and pulley 22, when needs will be driven skin
When band is fixed, only driving belt need to be pressed on pulley 22 with pressing plate, and be locked with lock sleeve 33, easy to operate and peace
Quan Xinggao.
Although the foregoing describing the specific embodiment of the present invention, it will be appreciated by those of skill in the art that this is only
It is to illustrate, protection scope of the present invention is defined by the appended claims.Those skilled in the art without departing substantially from
On the premise of the principle and essence of the present invention, various changes or modifications can be made to these embodiments, but these changes and
Modification each falls within protection scope of the present invention.
Claims (10)
1. a kind of fixed pulley, including fixed mount, pulley mechanism and retaining mechanism, it is characterised in that the fixed mount includes hollow
Set and U-shaped draw-in groove, the U-shaped draw-in groove are fixedly connected on the one end of the hollow sleeve, and the U-shaped section of the U-shaped draw-in groove is put down
Row is in the axis of the hollow sleeve；
The pulley mechanism includes pulley bracket and pulley, and the pulley bracket includes two support bars, each support bar
One end is fixed on the outer surface of the hollow sleeve, and the other end of each support bar connects the pulley, the cunning
Wheel with described in two between support bar to be flexibly connected；
The retaining mechanism includes two check lock levers, a pressing plate and two lock sleeves, and each check lock lever is connected to each institute
Support bar is stated, and is parallel to each other between check lock lever described in two, the both ends of the length direction of the pressing plate have through hole
Or the size of groove, the through hole or groove is matched with the overall dimensions of each check lock lever, and the pressing plate is using described
Through hole or groove are set in check lock lever described in two, and each lock sleeve is set with each check lock lever, the pressing plate
Between the fixing end of the lock sleeve and the check lock lever.
2. fixed pulley as claimed in claim 1, it is characterised in that the hollow sleeve includes the first body, the second body and
One lock-screw, first body and the second body are separated from each other, and first body and the second body are mutually matched shape
Into the hollow sleeve, first lock-screw penetrates first body and the second body by first body and second
Body is connected as one.
3. fixed pulley as claimed in claim 2, it is characterised in that first body and the second body include a body and
Two flanges, the cross sectional shape of the body are circular arc, and the outer surface of the circular arc of the body is divided into a symmetrical left side
Side surface and right lateral surface；
The left-hand face and right lateral surface are provided with flange described in two with being respectively symmetrically, and are provided with the first lock on each flange
Tight through hole, and the axis of the first locking through hole is perpendicular to the bottom surface of the arc surface of the body；
The first locking through hole on first body and the second body is mutually corresponded to.
4. fixed pulley as claimed in claim 3, it is characterised in that the first locking through hole is screwed hole.
5. fixed pulley as claimed in claim 2, it is characterised in that first body and the second body are same group of identical
Part.
6. fixed pulley as claimed in claim 1, it is characterised in that the U-shaped draw-in groove includes U-shaped draw-in groove body and the second locking screw
Nail, the opening of the U-shaped draw-in groove body are respectively arranged with two second locking through holes, and the axis weight of the second locking through hole described in two
Close, second lock-screw penetrates the second locking through hole described in two.
7. fixed pulley as claimed in claim 6, it is characterised in that the second locking through hole is screwed hole.
8. fixed pulley as claimed in claim 1, it is characterised in that the check lock lever is threaded rod, the lock sleeve is locking
Nut.
9. fixed pulley as claimed in claim 1, it is characterised in that the one end of the pressing plate is provided with through hole, the pressing plate
The other end be provided with U-lag, the width of the opening direction of the U-lag parallel to the pressing plate, and the U-lag
Open the edge to the pressing plate and be in communication with the outside.
10. fixed pulley as claimed in any one of claims 1-9 wherein, it is characterised in that support bar described in the pulley and two it
Between be chain connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214643.0A CN104773665B (en) | 2015-04-29 | 2015-04-29 | fixed pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214643.0A CN104773665B (en) | 2015-04-29 | 2015-04-29 | fixed pulley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104773665A CN104773665A (en) | 2015-07-15 |
| CN104773665B true CN104773665B (en) | 2017-04-12 |
Family
ID=53615485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510214643.0A Active CN104773665B (en) | 2015-04-29 | 2015-04-29 | fixed pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104773665B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110027847B (en) * | 2019-04-30 | 2020-12-04 | 上海外高桥造船有限公司 | Belt supporting rod |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE500977C2 (en) * | 1988-11-28 | 1994-10-10 | Olof Roland Lundstroem | Winch comprising a rotatable lens disk and a pressure element cooperating with its roller rim |
| JPH07172752A (en) * | 1993-12-16 | 1995-07-11 | Komatsu Ltd | Longitudinal lifting device of building materials |
| CN102862907B (en) * | 2012-09-27 | 2015-04-01 | 山东丰汇设备技术有限公司 | Quick fixing device for pulley block |
| CN203309069U (en) * | 2012-10-31 | 2013-11-27 | 四川安东油气工程技术服务有限公司 | Fixed pulley |
| FR3005946B1 (en) * | 2013-05-23 | 2017-12-22 | Dcns | APPARATUS FOR LIFTING A LOAD |
| CN204714427U (en) * | 2015-04-29 | 2015-10-21 | 上海外高桥造船有限公司 | Fixed pulley |
-
2015
- 2015-04-29 CN CN201510214643.0A patent/CN104773665B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104773665A (en) | 2015-07-15 |
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