CN106219428A - A kind of limiting device of electric block - Google Patents
A kind of limiting device of electric block Download PDFInfo
- Publication number
- CN106219428A CN106219428A CN201610661548.XA CN201610661548A CN106219428A CN 106219428 A CN106219428 A CN 106219428A CN 201610661548 A CN201610661548 A CN 201610661548A CN 106219428 A CN106219428 A CN 106219428A
- Authority
- CN
- China
- Prior art keywords
- safety switch
- cam
- shaped bar
- electric block
- limiting device
- 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.)
- Granted
Links
- 230000001360 synchronised effect Effects 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000010276 construction Methods 0.000 abstract description 6
- 240000009087 Crescentia cujete Species 0.000 description 2
- 235000005983 Crescentia cujete Nutrition 0.000 description 2
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 240000001980 Cucurbita pepo Species 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
- B66D1/56—Adaptations of limit switches
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
nullThe present invention relates to a kind of limiting device of electric block，It includes cable drum，Described cable drum end is provided with fixed plate，U-shaped bar it is provided with on the upside of described fixed plate，Open Side Down for described U-shaped bar，It is provided with fulcrum bar of the spring between described U-shaped bar and fixed plate，Described U-shaped bar bottom righthand side connects roller，Described U-shaped bar lower-left end connects connecting rod，Described connecting rod lower end connects runner，Described runner right flank connects cam，Described runner and cam synchronous axial system，Described cam connects micromachine，Described micromachine is positioned at inside cable drum，The first safety switch it is provided with on the left of described fixed plate、Second safety switch and the 3rd safety switch，The first described safety switch is positioned at the positive front side of cam，The second described safety switch and the 3rd safety switch are positioned at rear side in the middle part of cam；The present invention has simple in construction, low cost, the advantage of safety and stability.
Description
Technical field
The invention belongs to technical field of crane equipment, be specifically related to a kind of stopping means, particularly to a kind of electric block
Stopping means.
Background technology
Electric block is a kind of to apply extremely wide crane gear, all pack up when the steel wire rope of electric gourd drum or
The when of putting down, motor needs to shut down timely, otherwise causes inconvenience even accident, when steel wire rope all puts down, needs
Other mechanism is set to leave the motor off operating, but when all putting down, weight or suspension hook that some utilizations are sling are touched
Pause switch, then easily cause the damage of parts；Therefore it provides a kind of simple in construction, low cost, the electric block limit of safety and stability
Position device is necessary.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, and provide a kind of simple in construction, low cost, safety is steady
Fixed limiting device of electric block.
The object of the present invention is achieved like this: a kind of limiting device of electric block, it includes cable drum, described
Cable drum end is provided with fixed plate, is provided with U-shaped bar on the upside of described fixed plate, and Open Side Down for described U-shaped bar, institute
Being provided with fulcrum bar of the spring between U-shaped bar and the fixed plate stated, described U-shaped bar bottom righthand side connects roller, and described U-shaped bar is left
Lower end connects connecting rod, and described connecting rod lower end connects runner, and described runner right flank connects cam, described runner
With cam synchronous axial system, described cam connects micromachine, and described micromachine is positioned at inside cable drum, described
Fixed plate on the left of be provided with the first safety switch, the second safety switch and the 3rd safety switch, the first described safety switch
Being positioned at the positive front side of cam, the second described safety switch and the 3rd safety switch are positioned at rear side in the middle part of cam.
On the downside of described roller, the steel wire rope with cable drum contacts.
Described connecting rod is hinged with the connected mode of U-shaped bar and runner.
Described runner and cam coaxial heart line.
The 3rd described safety switch and the second safety switch lay respectively at the upper and lower of the horizontal plane through cam axial line
Both sides.
Described the first safety switch, the second safety switch and the 3rd safety switch are series relationship.
The effective span of the bossing of described cam and the second safety switch and effective radian of the 3rd safety switch
Length equal.
Beneficial effects of the present invention: the present invention uses the folding and unfolding of the steel wire rope of cable drum, promotes the most past of U-shaped bar
Multiple motion, U-shaped bar, connecting rod and runner composition slider-crank mechanism, the rotation simultaneously driving cam matches with safety switch, with
Time be capable of electric block and extremely go up and extremely descend the spacing of position, micromachine to overcome the dead point of crank block, holding means fortune
The continuity of row；The present invention has simple in construction, low cost, the advantage of safety and stability.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of limiting device of electric block of the present invention.
Fig. 2 is the left view of a kind of limiting device of electric block of the present invention.
In figure: 1, cable drum 2, fixed plate 3, U-shaped bar 4, roller 5, fulcrum bar of the spring 6, connecting rod 7, runner 8,
Cam 9, micromachine the 10, first safety switch the 11, second safety switch the 12, the 3rd safety switch.
Detailed description of the invention
The present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1-2, a kind of limiting device of electric block, it includes cable drum 1, described cable drum 1 end
Being provided with fixed plate 2, be provided with U-shaped bar 3 on the upside of described fixed plate 2, Open Side Down for described U-shaped bar 3, described U-shaped bar 3
And being provided with fulcrum bar of the spring 5 between fixed plate 2, described U-shaped bar 3 bottom righthand side connects roller 4, described U-shaped bar 3 lower-left end
Connecting and have connecting rod 6, described connecting rod 6 lower end connects runner 7, and described runner 7 right flank connects cam 8, and described turns
Wheel 7 and cam 8 synchronous axial system, described cam 8 connects has micromachine 9, described micromachine 9 to be positioned at cable drum 1
Inner side, is provided with the first safety switch the 10, second safety switch 11 and the 3rd safety switch 12, institute on the left of described fixed plate 2
The first safety switch 10 stated is positioned at the positive front side of cam 8, and the second described safety switch 11 and the 3rd safety switch 12 are positioned at convex
Rear side in the middle part of wheel 8.
The present invention uses the folding and unfolding of the steel wire rope of cable drum, promotes pumping of U-shaped bar, U-shaped bar, connecting rod
Forming slider-crank mechanism with runner, the rotation simultaneously driving cam matches with safety switch, is capable of electronic calabash simultaneously
In LUJI and extremely descend the spacing of position, micromachine overcomes the dead point of crank block, the continuity that holding means is run；Work as steel wire
When rope all puts down, U-shaped bar reaches lowest order, and connecting rod is similarly positioned in lowest order with the pin joint of runner, the bossing of cam
Touching the first safety switch, electric block motor shuts down, and micromachine is got involved, and band moving cam is rotated further, and passes through
One dead point of the slider-crank mechanism being made up of U-shaped bar, connecting rod and runner, owing to the bossing of cam exists certain arc
The span of degree, therefore U-shaped bar can be made to return a small amount of distance, during steel wire rope is rolled, cam is rotated further, and steel wire rope is received completely
When rising, the top dead-centre of U-shaped bar now not up to crank block is set, and now the bossing of cam touches the second safety
Switch, electric block motor shuts down, and micromachine is got involved, and band moving cam is rotated further, the span of bossing and second
The effective span of safety switch and the 3rd safety switch is identical, and bossing leaves the second safety switch and acts on the 3rd safety open
Closing, same, electric block motor shuts down, and micromachine is got involved, and band moving cam is rotated further, the second safety switch and the
Three safety switches ensure passing through of second dead point, both ensure that passing through of dead point, have made again electric block motor at steel wire
Rope stops operating when all packing up, after bossing leaves the 3rd safety switch, and now roller contact steel wire rope, can proceed with
The operation of electric block；The present invention has simple in construction, low cost, the advantage of safety and stability.
Embodiment 2
As shown in Figure 1-2, a kind of limiting device of electric block, it includes cable drum 1, described cable drum 1 end
Being provided with fixed plate 2, be provided with U-shaped bar 3 on the upside of described fixed plate 2, Open Side Down for described U-shaped bar 3, described U-shaped bar 3
And being provided with fulcrum bar of the spring 5 between fixed plate 2, described U-shaped bar 3 bottom righthand side connects roller 4, described U-shaped bar 3 lower-left end
Connecting and have connecting rod 6, described connecting rod 6 lower end connects runner 7, and described runner 7 right flank connects cam 8, and described turns
Wheel 7 and cam 8 synchronous axial system, described cam 8 connects has micromachine 9, described micromachine 9 to be positioned at cable drum 1
Inner side, is provided with the first safety switch the 10, second safety switch 11 and the 3rd safety switch 12, institute on the left of described fixed plate 2
The first safety switch 10 stated is positioned at the positive front side of cam 8, and the second described safety switch 11 and the 3rd safety switch 12 are positioned at convex
Rear side in the middle part of wheel 8.
On the downside of described roller 4, the steel wire rope with cable drum 1 contacts；Described connecting rod 6 and U-shaped bar 3 and runner 7
Connected mode is hinged；Described runner 7 and cam 8 coaxial inner conductor；The 3rd described safety switch 12 and the second safety open
Pass 11 lays respectively at the both sides up and down of the horizontal plane through cam 8 axial line；First described safety switch the 10, second safety open
Pass 11 and the 3rd safety switch 12 are series relationship；The effective span of the bossing of described cam 8 and the second safety switch
11 and the 3rd the length of effective radian of safety switch 12 equal.
The present invention uses the folding and unfolding of the steel wire rope of cable drum, promotes pumping of U-shaped bar, U-shaped bar, connecting rod
Forming slider-crank mechanism with runner, the rotation simultaneously driving cam matches with safety switch, is capable of electronic calabash simultaneously
In LUJI and extremely descend the spacing of position, micromachine overcomes the dead point of crank block, the continuity that holding means is run；Work as steel wire
When rope all puts down, U-shaped bar reaches lowest order, and connecting rod is similarly positioned in lowest order with the pin joint of runner, the bossing of cam
Touching the first safety switch, electric block motor shuts down, and micromachine is got involved, and band moving cam is rotated further, and passes through
One dead point of the slider-crank mechanism being made up of U-shaped bar, connecting rod and runner, owing to the bossing of cam exists certain arc
The span of degree, therefore U-shaped bar can be made to return a small amount of distance, during steel wire rope is rolled, cam is rotated further, and steel wire rope is received completely
When rising, the top dead-centre of U-shaped bar now not up to crank block is set, and now the bossing of cam touches the second safety
Switch, electric block motor shuts down, and micromachine is got involved, and band moving cam is rotated further, the span of bossing and second
The effective span of safety switch and the 3rd safety switch is identical, and bossing leaves the second safety switch and acts on the 3rd safety open
Closing, same, electric block motor shuts down, and micromachine is got involved, and band moving cam is rotated further, the second safety switch and the
Three safety switches ensure passing through of second dead point, both ensure that passing through of dead point, have made again electric block motor at steel wire
Rope stops operating when all packing up, after bossing leaves the 3rd safety switch, and now roller contact steel wire rope, can proceed with
The operation of electric block；The present invention has simple in construction, low cost, the advantage of safety and stability.
Claims (7)
1. a limiting device of electric block, it includes cable drum, it is characterised in that: described cable drum end sets
Being equipped with fixed plate, be provided with U-shaped bar on the upside of described fixed plate, Open Side Down for described U-shaped bar, and described U-shaped bar is with fixing
Being provided with fulcrum bar of the spring between plate, described U-shaped bar bottom righthand side connects roller, and described U-shaped bar lower-left end connects connecting rod,
Described connecting rod lower end connects runner, and described runner right flank connects cam, described runner and cam synchronous axial system,
Described cam connects has micromachine, described micromachine to be positioned at inside cable drum, sets on the left of described fixed plate
Being equipped with the first safety switch, the second safety switch and the 3rd safety switch, the first described safety switch is positioned at the positive front side of cam,
The second described safety switch and the 3rd safety switch are positioned at rear side in the middle part of cam.
2. limiting device of electric block as claimed in claim 1 a kind of, it is characterised in that: on the downside of described roller and steel wire rope
The steel wire rope contact of reel.
3. limiting device of electric block as claimed in claim 1 a kind of, it is characterised in that: described connecting rod and U-shaped bar and turn
The connected mode of wheel is hinged.
4. a kind of limiting device of electric block as claimed in claim 1, it is characterised in that: described runner and the cam coaxial heart
Line.
5. limiting device of electric block as claimed in claim 1 a kind of, it is characterised in that: the 3rd described safety switch and the
Two safety switches lay respectively at the both sides up and down of the horizontal plane through cam axial line.
6. limiting device of electric block as claimed in claim 1 a kind of, it is characterised in that: described the first safety switch, the
Two safety switches and the 3rd safety switch are series relationship.
7. a kind of limiting device of electric block as claimed in claim 1, it is characterised in that: the bossing of described cam
The length of effective radian of effective span and the second safety switch and the 3rd safety switch is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610661548.XA CN106219428B (en) | 2016-08-14 | 2016-08-14 | A kind of limiting device of electric block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610661548.XA CN106219428B (en) | 2016-08-14 | 2016-08-14 | A kind of limiting device of electric block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106219428A true CN106219428A (en) | 2016-12-14 |
| CN106219428B CN106219428B (en) | 2018-09-07 |
Family
ID=57548402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610661548.XA Expired - Fee Related CN106219428B (en) | 2016-08-14 | 2016-08-14 | A kind of limiting device of electric block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106219428B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265196A (en) * | 2017-06-07 | 2017-10-20 | 广东运峰电力安装有限公司 | A locking device at the end of a rope |
| CN107503352A (en) * | 2017-08-30 | 2017-12-22 | 青岛林川工程技术咨询有限公司 | A kind of concrete deep-water device for casting |
| CN109455357A (en) * | 2018-11-23 | 2019-03-12 | 临泉县隆源农业有限公司 | A kind of crops before sales auxiliary bagging equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4312497A (en) * | 1979-10-12 | 1982-01-26 | Morris Whaley, Inc. | Hydraulic winches |
| CN2187606Y (en) * | 1994-01-13 | 1995-01-18 | 冯常励 | Safety position limiter for hoist |
| JPH10291780A (en) * | 1997-04-16 | 1998-11-04 | Mikuni Corp | Power transmission mechanism |
| CN2377238Y (en) * | 1999-07-02 | 2000-05-10 | 郭张来 | Safety stop |
| DE102004061364A1 (en) * | 2004-01-05 | 2005-07-28 | Riedl, Reinhold, Dipl.-Ing. | Load-pressure hoist brake uses bi-functional shoe in whose concentric interior two mirroring rubber locking rollers are spring-clamped for arrest in response to respective hoisting directions. |
| CN101362580A (en) * | 2008-09-02 | 2009-02-11 | 八达机电有限公司 | Single-phase electric gourd with lower bound range stop |
| CN201962013U (en) * | 2011-01-21 | 2011-09-07 | 诺威起重设备（苏州）有限公司 | Limit switch device for electric block |
-
2016
- 2016-08-14 CN CN201610661548.XA patent/CN106219428B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4312497A (en) * | 1979-10-12 | 1982-01-26 | Morris Whaley, Inc. | Hydraulic winches |
| CN2187606Y (en) * | 1994-01-13 | 1995-01-18 | 冯常励 | Safety position limiter for hoist |
| JPH10291780A (en) * | 1997-04-16 | 1998-11-04 | Mikuni Corp | Power transmission mechanism |
| CN2377238Y (en) * | 1999-07-02 | 2000-05-10 | 郭张来 | Safety stop |
| DE102004061364A1 (en) * | 2004-01-05 | 2005-07-28 | Riedl, Reinhold, Dipl.-Ing. | Load-pressure hoist brake uses bi-functional shoe in whose concentric interior two mirroring rubber locking rollers are spring-clamped for arrest in response to respective hoisting directions. |
| CN101362580A (en) * | 2008-09-02 | 2009-02-11 | 八达机电有限公司 | Single-phase electric gourd with lower bound range stop |
| CN201962013U (en) * | 2011-01-21 | 2011-09-07 | 诺威起重设备（苏州）有限公司 | Limit switch device for electric block |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265196A (en) * | 2017-06-07 | 2017-10-20 | 广东运峰电力安装有限公司 | A locking device at the end of a rope |
| CN107503352A (en) * | 2017-08-30 | 2017-12-22 | 青岛林川工程技术咨询有限公司 | A kind of concrete deep-water device for casting |
| CN109455357A (en) * | 2018-11-23 | 2019-03-12 | 临泉县隆源农业有限公司 | A kind of crops before sales auxiliary bagging equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106219428B (en) | 2018-09-07 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20190814 |
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| CF01 | Termination of patent right due to non-payment of annual fee |