CN203009778U - Sheering pulley for single-rope grab bucket hoisting loop chain - Google Patents

Sheering pulley for single-rope grab bucket hoisting loop chain Download PDF

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Publication number
CN203009778U
CN203009778U CN 201220710286 CN201220710286U CN203009778U CN 203009778 U CN203009778 U CN 203009778U CN 201220710286 CN201220710286 CN 201220710286 CN 201220710286 U CN201220710286 U CN 201220710286U CN 203009778 U CN203009778 U CN 203009778U
Authority
CN
China
Prior art keywords
pulley
chain
loop chain
groove
sheering
Prior art date
Application number
CN 201220710286
Other languages
Chinese (zh)
Inventor
包起帆
沈桂敏
黄佳男
蔡呈祥
Original Assignee
上海起帆抓斗制造有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 上海起帆抓斗制造有限公司 filed Critical 上海起帆抓斗制造有限公司
Priority to CN 201220710286 priority Critical patent/CN203009778U/en
Application granted granted Critical
Publication of CN203009778U publication Critical patent/CN203009778U/en

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Abstract

The utility model relates to a sheering pulley for a single-rope grab bucket hoisting loop chain. The sheering pulley comprises a hub, a spoke and a rim. The rim is provided with symmetrical stepped grooves, the width of the bottom of each groove corresponds to the round steel diameter of the hoisting loop chain, and the width of a step of each groove corresponds to the width of the hoisting loop chain. The sheering pulley has the advantages that the pulley is provided with the stepped grooves, the pulley and the chain can be completely meshed, the contact face between the chain and a rope groove is increased, and friction force between the chain and the rope groove is increased. By means of the structure, the chain does not easily slip, and the service life of the chain is prolonged.

Description

The angle pulley of single rope grab lifting loop chain

Technical field

The utility model relates to a kind of single rope grab, relates in particular to a kind of angle pulley of single rope grab lifting loop chain.

Background technique

In known technology, the angle pulley of traditional single rope grab lifting loop chain adopts the circular arc sheave groove structure mostly.The deficiency of this race is: less with the surface of contact of chain, and the in use easy distortion of lifting loop chain, tie a knot, skid, causing that the grab bucket action has some setbacks, chain also can excessive wear.

The model utility content

The purpose of this utility model is that a kind of rational in infrastructure, angle pulley that can contact with the lifting annular chain good single rope grab lifting loop chain is provided for the prior art deficiency.

The utility model is by the following technical programs in to realize: a kind of angle pulley of single rope grab lifting loop chain, it includes wheel hub, spoke, wheel rim, it is characterized in that, described wheel rim is provided with symmetrical step-like groove, the width of bottom portion of groove is corresponding with the round steel diameter of lifting loop chain, and the width of groove step is corresponding with the width of lifting loop chain.

Good effect of the present utility model is: the angle pulley of a kind of single rope grab lifting loop chain that the utility model provides, have following advantage: this pulley has step-like groove, pulley and chain are meshed fully, increase the surface of contact of chain and grooving, improve frictional force between the two.Be difficult for skidding at this structure lower chain, make its ILS.

Description of drawings

Fig. 1 is an embodiment's of the utility model pulley schematic diagram.

Fig. 2 is an embodiment's of the utility model pulley and chain mesh schematic representation.

Fig. 3 is that embodiment of the utility model is arranged on the schematic diagram in grab bucket.

Embodiment:

The utility model will be further described below in conjunction with embodiment: Fig. 1 is an embodiment's of the utility model pulley schematic diagram.In figure, a kind of angle pulley of single rope grab lifting loop chain, it includes: wheel hub 1, spoke 2, wheel rim 3, described wheel rim 3 is provided with symmetrical step-like groove 4, the width of bottom portion of groove 41 is corresponding with the round steel diameter of lifting loop chain 5, and the width of groove step 42 is corresponding with the width of lifting loop chain 5.

Fig. 2 is an embodiment's of the utility model pulley and chain mesh schematic representation.In figure, show loop chain 5 and the pulley state at work with step-like groove 4, that is: when a joint loop chain 5 was fitted on groove step 42, the round steel of two adjacent joint loop chains 5 embedded bottom portion of groove 41, and loop chain 5 and pulley are in the state of engagement fully.

Fig. 3 is that embodiment of the utility model is arranged on the schematic diagram in grab bucket.In figure, an end of two lifting loop chains 5 is separately fixed on the equalizer bar 7 of grab bucket, and the other end is fixed on deck beam 8 after walking around the pulley with step-like groove 4 that is arranged on middle bolster 6.

The above reaches by reference to the accompanying drawings embodiment and has described mode of execution of the present utility model; the structure that embodiment provides does not consist of restriction of the present utility model; in related domain, those skilled in the art can show and need to adjust according to real, make within the scope of the appended claims various distortion or revise all in protection domain.

Claims (1)

1. the angle pulley of a single rope grab lifting loop chain, it includes wheel hub, spoke, wheel rim, it is characterized in that, described wheel rim is provided with symmetrical step-like groove, the width of bottom portion of groove is corresponding with the round steel diameter of lifting loop chain, and the width of groove step is corresponding with the width of lifting loop chain.
CN 201220710286 2012-12-20 2012-12-20 Sheering pulley for single-rope grab bucket hoisting loop chain CN203009778U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220710286 CN203009778U (en) 2012-12-20 2012-12-20 Sheering pulley for single-rope grab bucket hoisting loop chain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220710286 CN203009778U (en) 2012-12-20 2012-12-20 Sheering pulley for single-rope grab bucket hoisting loop chain

Publications (1)

Publication Number Publication Date
CN203009778U true CN203009778U (en) 2013-06-19

Family

ID=48601375

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220710286 CN203009778U (en) 2012-12-20 2012-12-20 Sheering pulley for single-rope grab bucket hoisting loop chain

Country Status (1)

Country Link
CN (1) CN203009778U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103738833A (en) * 2013-12-19 2014-04-23 柳州正菱集团有限公司 Hoisting device for mounting machine tool
CN103771250A (en) * 2013-12-19 2014-05-07 柳州正菱集团有限公司 Portable lifting appliance for installing machine tool
CN103771258A (en) * 2013-12-19 2014-05-07 柳州正菱集团有限公司 Lifting appliance for installing machine tool
CN103771248A (en) * 2013-12-19 2014-05-07 柳州正菱集团有限公司 Lifting appliance for installing portable machine tool
CN103771256A (en) * 2013-12-19 2014-05-07 柳州正菱集团有限公司 Lifting appliance for installing portable machine tool
CN103771249A (en) * 2013-12-19 2014-05-07 柳州正菱集团有限公司 Lifting appliance for installing machine tool
CN110510451A (en) * 2019-09-03 2019-11-29 同济大学 Expanded letter pulley

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103738833A (en) * 2013-12-19 2014-04-23 柳州正菱集团有限公司 Hoisting device for mounting machine tool
CN103771250A (en) * 2013-12-19 2014-05-07 柳州正菱集团有限公司 Portable lifting appliance for installing machine tool
CN103771258A (en) * 2013-12-19 2014-05-07 柳州正菱集团有限公司 Lifting appliance for installing machine tool
CN103771248A (en) * 2013-12-19 2014-05-07 柳州正菱集团有限公司 Lifting appliance for installing portable machine tool
CN103771256A (en) * 2013-12-19 2014-05-07 柳州正菱集团有限公司 Lifting appliance for installing portable machine tool
CN103771249A (en) * 2013-12-19 2014-05-07 柳州正菱集团有限公司 Lifting appliance for installing machine tool
CN103771256B (en) * 2013-12-19 2015-09-30 柳州正菱集团有限公司 Portable machine tool lifting appliance for installing
CN103771249B (en) * 2013-12-19 2016-06-08 柳州正菱集团有限公司 Installing machine tool suspender
CN110510451A (en) * 2019-09-03 2019-11-29 同济大学 Expanded letter pulley

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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: 20130619

Termination date: 20131220