CN105417354B - A kind of crane safety hook - Google Patents
A kind of crane safety hook Download PDFInfo
- Publication number
- CN105417354B CN105417354B CN201510839783.7A CN201510839783A CN105417354B CN 105417354 B CN105417354 B CN 105417354B CN 201510839783 A CN201510839783 A CN 201510839783A CN 105417354 B CN105417354 B CN 105417354B
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- CN
- China
- Prior art keywords
- bull stick
- movable block
- travel switch
- bevel gear
- hook
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- 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.)
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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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The present invention relates to a kind of crane safety hook, it includes suspension hook frame, hook body and safe coupler body, fixed plate is provided with suspension hook frame, guide rail, block and travel switch C, assembly pulley and motor are provided with suspension hook frame, motor connection has drive bevel gear, drive bevel gear is engaged with bevel gear A and bevel gear B, the central hole of bevel gear A and bevel gear B is respectively arranged with bull stick A and bull stick B, movable block A and movable block B is connected on bull stick A and bull stick B, movable block A and movable block B are respectively connected with safe coupler body, lifting hole(eyelet) is provided with safe coupler body, fixed block and limited block, the top of hook body is provided with rubber bodies, pressure sensor, compact heap and screwed retaining ring, the bottom both sides of hook body are provided with fairlead, rhampotheca, lifting hole(eyelet), travel switch A and travel switch B；The present invention has the advantages that modern design, compact conformation, high degree of automation, practical, anti-dropout effect is good, have a safety feature.
Description
Technical field
The invention belongs to hoisting machinery technical field, and in particular to a kind of suspension hook, more particularly to a kind of crane safety
Suspension hook.
Background technology
Crane hook is most common a kind of suspender in hoisting machinery field, is mainly used in when crane works to weight
Lifted by crane, so the structure of crane hook has directly influence, at present, conventional lifting for the lifting effect of weight
Machine suspender is mostly the device of suspension hook type, and it has the advantages that small volume, from heavy and light, easy to operate, but this crane
Suspension hook is limited to due to small volume, lifted weight, also inconvenient when taking out weight, is not also had in hoisting heavy
Enough spaces are gone to carry the rope of weight, and the weight of lifting can be caused on suspension hook due to the swing occurred during lifting
The rope in face comes off, and serious consequence occurs, although some anti-drop device good anti-drop effects, volume is larger, relatively costly,
Processing difficulties, are more expensive to manufacture；Therefore it provides a kind of modern design, compact conformation, high degree of automation, labour intensity are low, real
With property it is strong, anti-dropout effect is good, the crane that has a safety feature is necessary with safety hook.
The content of the invention
The invention aims to overcome the deficiencies in the prior art, and provide a kind of modern design, compact conformation, automatically
The crane safety hook that change degree is high, labour intensity is low, practical, anti-dropout effect is good, have a safety feature.
The object of the present invention is achieved like this：A kind of crane safety hook, it include suspension hook frame, hook body and
Safe coupler body, is provided with fixed plate, guide rail, block and travel switch C in described suspension hook frame, the upper surface of described suspension hook frame
Assembly pulley and motor are provided with, the output end of described motor is connected with transmission device, and described transmission device includes initiative taper
Gear, described drive bevel gear is engaged with bevel gear A and bevel gear B, and the central hole of described bevel gear A is provided with bull stick
The central hole of A, described bevel gear B is provided with bull stick B, described bull stick A and bull stick B and is arranged on fixed plate by bearing
On, described bull stick A and the other end of bull stick B are arranged on suspension hook frame by bearing, are divided on described bull stick A and bull stick B
Movable block A and movable block B has not been connected through a screw thread, has been respectively arranged with guide-track groove on described movable block A and movable block B, institute
The movable block A for stating and the bottom of movable block B are respectively connected with safe coupler body, and lifting hole(eyelet), fixed block are provided with described safe coupler body
And limited block, contact is provided with described fixed block, the top of described hook body is disposed with rubber from top to bottom
Body, pressure sensor, compact heap and screwed retaining ring, the bottom both sides of described hook body are provided with fairlead, rhampotheca, hang
Hole, travel switch A and travel switch B, are provided with mounting groove, rope groove and contact, in described mounting groove on described rhampotheca
Column sleeve is provided with, elastomer is fixedly connected with described column sleeve, balance weight is additionally provided with described suspension hook frame.
Described column sleeve and fairlead is seamless steel pipe and is made, and the inner size of described column sleeve is outer more than fairlead
Footpath size, described elastomer is to be fixedly connected with column sleeve, elastomer and the connected mode of fairlead.
The quantity of described safe coupler body is 2, and is symmetrically arranged at the both sides of hook body.
Described motor is clockwise and anticlockwise motor.
Described movable block A is to be slidably connected with the connected mode of guide rail, movable block B and guide rail.
The quantity of described travel switch C is 2, and is symmetrically arranged at the both sides of hook body.
The installation site of contact is corresponding with the installation site of travel switch A on described rhampotheca, described safe coupler body
The installation site of upper contact is corresponding with the installation site of travel switch B, the peace of contact on described movable block A and movable block B
Holding position is corresponding with the installation site of travel switch C.
Described travel switch A, travel switch B and travel switch C are connected with PLC by holding wire, described
PLC pass through holding wire and motor connection.
Described bull stick A is opposite with the thread rotary orientation on bull stick B.
The pressure sensor is connected with PLC by holding wire, and described PLC is connected with sound and light alarm
Device and lifting motor.
Beneficial effects of the present invention：The present invention realizes the safety of suspension hook by the combination of hook body and safe coupler body
Lifting effect, it is necessary to during raising weight, weight rope is placed on rhampotheca, after starting lifting, rhampotheca depression stroke switch A,
Travel switch A is set to send a signal to PLC, PLC controlled motor is rotated forward, while being distributed in hook body both sides
The safe inside side shifting of coupler body, when safe coupler body pushes down travel switch B, motor stalls, safe coupler body stops movement, weight
Thing continues raising and transport under the drive of lifting motor, difficult for drop-off, operates steadily, safe and reliable, while setting suspension hook sheet
The pressure sensor moment monitoring hook body on body top lifts the weight of weight, it is ensured that the safe handling of hook body
Can, extend service life of the invention, when occur it is overweight when, lifting motor will not rise, audible-visual annunciator be simultaneously emitted by sound,
Two kinds of alarm signals of light, to reach the purpose for reminding Field Force to note, when loads is unloaded, travel switch A upsprings, and sends
Signal is to PLC, PLC controlled motor reversion, while being distributed in the safe coupler body of hook body both sides laterally
Mobile, when safe coupler body depression stroke switchs C, travel switch C sends a signal to PLC, PLC controlled motor
Stalling, whole lifting process high degree of automation, labour intensity is low, has a safety feature, and the safe coupler body in the present invention can hold
Loading capacity, the danger that can effectively avoid weight rope from being come off from hook body, while in hook body and safe coupler body
Bottom set lifting hole(eyelet), it is possible to achieve many suspension centre purposes of equalizer bar, increased its practicality；The present invention also has design simultaneously
The novel, advantage of compact conformation.
Brief description of the drawings
Fig. 1 is a kind of front view of crane safety hook of the invention.
Fig. 2 is a kind of top view of crane safety hook of the invention.
Fig. 3 be I in a kind of crane safety hook of the invention at partial enlarged drawing.
Fig. 4 be II in a kind of crane safety hook of the invention at partial enlarged drawing.
Fig. 5 is the structural representation of rhampotheca in a kind of crane safety hook of the invention.
Fig. 6 is a kind of electric control theory figure of crane safety hook of the invention.
In figure：1st, suspension hook frame 2, hook body 3, safe coupler body 4, fixed plate 5, guide rail 6, block 7, travel switch
C 8, assembly pulley 9, motor 10, drive bevel gear 11, bevel gear A 12, bevel gear B 13, bull stick A 14, bull stick B 15, shifting
Motion block A 16, movable block B 17, guide-track groove 18, lifting hole(eyelet) 19, fixed block 20, limited block 21, contact 22, rubber bodies 23,
Pressure sensor 24, compact heap 25, screwed retaining ring 26, fairlead 27, rhampotheca 28, travel switch A 29, travel switch B
30th, mounting groove 31, rope groove 32, column sleeve 33, elastomer 34, balance weight 35, PLC 36, audible-visual annunciator
37th, lifting motor.
Specific embodiment
The present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of crane safety hook, it includes suspension hook frame 1, hangs
Fixed plate 4, guide rail 5, block 6 and travel switch C7 are provided with hook body 2 and safe coupler body 3, described suspension hook frame 1, it is described
The upper surface of suspension hook frame 1 be provided with assembly pulley 8 and motor 9, the output end of described motor 9 is connected with transmission device, described
Transmission device include drive bevel gear 10, described drive bevel gear 10 is engaged with bevel gear A11 and bevel gear B12, described
The central hole of bevel gear A11 be provided with the central hole of bull stick A13, described bevel gear B12 and be provided with bull stick B14, institute
The bull stick A13 and bull stick B14 for stating are arranged in fixed plate 4 by bearing, described bull stick A13 and the other end of bull stick B14
It is arranged on suspension hook frame 1 by bearing, movable block A15 has been connected through a screw thread respectively on described bull stick A13 and bull stick B14
With movable block B16, be respectively arranged with guide-track groove 17 on described movable block A15 and movable block B16, described movable block A15 and
The bottom of movable block B16 is respectively connected with safe coupler body 3, and lifting hole(eyelet) 18, fixed block 19 and spacing are provided with described safe coupler body 3
Block 20, is provided with contact 21 on described fixed block 19, the top of described hook body 2 is disposed with rubber from top to bottom
Body 22, pressure sensor 23, compact heap 24 and screwed retaining ring 25, the bottom both sides of described hook body 2 are provided with guiding
Set 26, rhampotheca 27, lifting hole(eyelet) 18, travel switch A28 and travel switch B29, mounting groove 30, rope is provided with described rhampotheca 27
Groove 31 and contact 21, are provided with column sleeve 32 in described mounting groove 30, elastomer 33, institute are fixedly connected with described column sleeve 32
Balance weight 34 is additionally provided with the suspension hook frame 1 stated.
The combination that the present invention passes through hook body 2 and safe coupler body 3, realizes the safety lifting effect of suspension hook, it is necessary to rise
When rising weight, weight rope is placed on rhampotheca 27, after starting lifting, the depression stroke of rhampotheca 27 switch A28 makes travel switch
A28 sends a signal to PLC 35, and the controlled motor 9 of PLC 35 is rotated forward, while being distributed in the peace of the both sides of hook body 2
To medial movement, when safe coupler body 3 pushes down travel switch B29, motor 9 stops operating full coupler body 3, and safe coupler body 3 stops moving
Dynamic, weight continues raising and transport under the drive of lifting motor 37, difficult for drop-off, operates steadily, safe and reliable, while setting
The moment of the pressure sensor 23 monitoring hook body 2 on the top of hook body 2 lifts the weight of weight, it is ensured that hook body 2
Safe application performance, extend service life of the invention, when occur it is overweight when, lifting motor 37 will not rise, acousto-optic report
Alert device 36 is simultaneously emitted by sound, two kinds of alarm signals of light, to reach the purpose for reminding Field Force to note, when loads is unloaded, OK
Cheng Kaiguan A28 are upspring, and send a signal to PLC 35, and the controlled motor 9 of PLC 35 is inverted, while being distributed in suspension hook
The outside side shifting of safe coupler body 3 of the both sides of body 2, when the depression stroke of safe coupler body 3 switchs C7, travel switch C7 sending signals
To PLC 35, the controlled motor 9 of PLC 35 is stalled, and whole lifting process high degree of automation, labour intensity is low, peace
Full performance is good, and the safe coupler body 3 in the present invention can effectively avoid weight rope from being taken off from hook body with load capacity
The danger for falling, while setting lifting hole(eyelet) 18 in the bottom of hook body 2 and safe coupler body 3, it is possible to achieve many suspension centres of equalizer bar are used
On the way, increased its practicality；The present invention also has the advantages that novel in design, compact conformation simultaneously.
Embodiment 2
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of crane safety hook, it includes suspension hook frame 1, hangs
Fixed plate 4, guide rail 5, block 6 and travel switch C7 are provided with hook body 2 and safe coupler body 3, described suspension hook frame 1, it is described
The upper surface of suspension hook frame 1 be provided with assembly pulley 8 and motor 9, the output end of described motor 9 is connected with transmission device, described
Transmission device include drive bevel gear 10, described drive bevel gear 10 is engaged with bevel gear A11 and bevel gear B12, described
The central hole of bevel gear A11 be provided with the central hole of bull stick A13, described bevel gear B12 and be provided with bull stick B14, institute
The bull stick A13 and bull stick B14 for stating are arranged in fixed plate 4 by bearing, described bull stick A13 and the other end of bull stick B14
It is arranged on suspension hook frame 1 by bearing, movable block A15 has been connected through a screw thread respectively on described bull stick A13 and bull stick B14
With movable block B16, be respectively arranged with guide-track groove 17 on described movable block A15 and movable block B16, described movable block A15 and
The bottom of movable block B16 is respectively connected with safe coupler body 3, and lifting hole(eyelet) 18, fixed block 19 and spacing are provided with described safe coupler body 3
Block 20, is provided with contact 21 on described fixed block 19, the top of described hook body 2 is disposed with rubber from top to bottom
Body 22, pressure sensor 23, compact heap 24 and screwed retaining ring 25, the bottom both sides of described hook body 2 are provided with guiding
Set 26, rhampotheca 27, lifting hole(eyelet) 18, travel switch A28 and travel switch B29, mounting groove 30, rope is provided with described rhampotheca 27
Groove 31 and contact 21, are provided with column sleeve 32 in described mounting groove 30, elastomer 33, institute are fixedly connected with described column sleeve 32
Balance weight 34 is additionally provided with the suspension hook frame 1 stated.
Described column sleeve 32 and fairlead 26 is seamless steel pipe and is made, and the inner size of described column sleeve 32 is more than guiding
The outside dimension of set 26, described elastomer 33 is to be fixedly connected with column sleeve 32, elastomer 33 and the connected mode of fairlead 26；
The quantity of described safe coupler body 3 is 2, and is symmetrically arranged at the both sides of hook body 2；Described motor 9 is positive and negative
Rotating motor；Described movable block A15 is to be slidably connected with the connected mode of guide rail 5, movable block B16 and guide rail 5；Described stroke
The quantity for switching C7 is 2, and is symmetrically arranged at the both sides of hook body 2；The installation of contact 21 on described rhampotheca 27
Position is corresponding with the installation site of travel switch A28, the installation site and travel switch of contact 21 on described safe coupler body 3
The installation site of B29 is corresponding, the installation site of contact 21 and travel switch C7 on described movable block A15 and movable block B16
Installation site it is corresponding；Described travel switch A28, travel switch B29 and travel switch C7 are connected with by holding wire
PLC 35, described PLC 35 is connected by holding wire with motor 9；On described bull stick A13 and bull stick B14
Thread rotary orientation is opposite；The pressure sensor 23 is connected with PLC 35 by holding wire, and described PLC 35 connects
It is connected to audible-visual annunciator 36 and lifting motor 37.
The combination that the present invention passes through hook body 2 and safe coupler body 3, realizes the safety lifting effect of suspension hook, it is necessary to rise
When rising weight, weight rope is placed on rhampotheca 27, after starting lifting, the depression stroke of rhampotheca 27 switch A28 makes travel switch
A28 sends a signal to PLC 35, and the controlled motor 9 of PLC 35 is rotated forward, while being distributed in the peace of the both sides of hook body 2
To medial movement, when safe coupler body 3 pushes down travel switch B29, motor 9 stops operating full coupler body 3, and safe coupler body 3 stops moving
Dynamic, weight continues raising and transport under the drive of lifting motor 37, difficult for drop-off, operates steadily, safe and reliable, while setting
The moment of the pressure sensor 23 monitoring hook body 2 on the top of hook body 2 lifts the weight of weight, it is ensured that hook body 2
Safe application performance, extend service life of the invention, when occur it is overweight when, lifting motor 37 will not rise, acousto-optic report
Alert device 36 is simultaneously emitted by sound, two kinds of alarm signals of light, to reach the purpose for reminding Field Force to note, when loads is unloaded, OK
Cheng Kaiguan A28 are upspring, and send a signal to PLC 35, and the controlled motor 9 of PLC 35 is inverted, while being distributed in suspension hook
The outside side shifting of safe coupler body 3 of the both sides of body 2, when the depression stroke of safe coupler body 3 switchs C7, travel switch C7 sending signals
To PLC 35, the controlled motor 9 of PLC 35 is stalled, and whole lifting process high degree of automation, labour intensity is low, peace
Full performance is good, and the safe coupler body 3 in the present invention can effectively avoid weight rope from being taken off from hook body with load capacity
The danger for falling, while setting lifting hole(eyelet) 18 in the bottom of hook body 2 and safe coupler body 3, it is possible to achieve many suspension centres of equalizer bar are used
On the way, increased its practicality；The present invention also has the advantages that novel in design, compact conformation simultaneously.
Claims (10)
1. a kind of crane safety hook, it includes suspension hook frame, hook body and safe coupler body, it is characterised in that：Described
Be provided with fixed plate, guide rail, block and travel switch C in suspension hook frame, the upper surface of described suspension hook frame be provided with assembly pulley and
Motor, the output end of described motor is connected with transmission device, and described transmission device includes drive bevel gear, described active
Bevel gear is engaged with bevel gear A and the central hole of bevel gear B, described bevel gear A is provided with bull stick A, described bevel gear B
Central hole be provided with bull stick B, described bull stick A and bull stick B is arranged in fixed plate by bearing, described bull stick A
The other end with bull stick B is arranged on suspension hook frame by bearing, is connected through a screw thread respectively on described bull stick A and bull stick B
There is movable block A and movable block B, guide-track groove, described movable block A and shifting are respectively arranged with described movable block A and movable block B
The bottom of motion block B is respectively connected with safe coupler body, and lifting hole(eyelet), fixed block and limited block are provided with described safe coupler body, described
Contact is provided with fixed block, the top of described hook body is disposed with rubber bodies, pressure sensor, pressure from top to bottom
Tight block and screwed retaining ring, the bottom both sides of described hook body are provided with fairlead, rhampotheca, lifting hole(eyelet), travel switch A and row
Cheng Kaiguan B, are provided with mounting groove, rope groove and contact on described rhampotheca, column sleeve is provided with described mounting groove, described
Elastomer is fixedly connected with column sleeve, balance weight is additionally provided with described suspension hook frame.
2. a kind of crane safety hook according to claim 1, it is characterised in that：Described column sleeve and fairlead is equal
By seamless steel pipe is made, the inner size of described column sleeve is more than the outside dimension of fairlead, described elastomer and column sleeve, bullet
Gonosome is to be fixedly connected with the connected mode of fairlead.
3. a kind of crane safety hook according to claim 1, it is characterised in that：The quantity of described safe coupler body
It is 2, and is symmetrically arranged at the both sides of hook body.
4. a kind of crane safety hook according to claim 1, it is characterised in that：Described motor is rotating electricity
Machine.
5. a kind of crane safety hook according to claim 1, it is characterised in that：Described movable block A and guide rail,
Movable block B is to be slidably connected with the connected mode of guide rail.
6. a kind of crane safety hook according to claim 1, it is characterised in that：The number of described travel switch C
It is 2 to measure, and is symmetrically arranged at the both sides of hook body.
7. a kind of crane safety hook according to claim 1, it is characterised in that：The peace of contact on described rhampotheca
Holding position is corresponding with the installation site of travel switch A, and the installation site of contact is with travel switch B's on described safe coupler body
Installation site is corresponding, the installation site phase of the installation site of contact and travel switch C on described movable block A and movable block B
Correspondence.
8. a kind of crane safety hook according to claim 1, it is characterised in that：Described travel switch A, stroke
Switch B and travel switch C is connected with PLC by holding wire, and described PLC is connected by holding wire with motor
Connect.
9. a kind of crane safety hook according to claim 1, it is characterised in that：On described bull stick A and bull stick B
Thread rotary orientation it is opposite.
10. a kind of crane safety hook according to claim 1, it is characterised in that：The pressure sensor passes through
Holding wire is connected with PLC, and described PLC is connected with audible-visual annunciator and lifting motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510839783.7A CN105417354B (en) | 2015-11-27 | 2015-11-27 | A kind of crane safety hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510839783.7A CN105417354B (en) | 2015-11-27 | 2015-11-27 | A kind of crane safety hook |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105417354A CN105417354A (en) | 2016-03-23 |
| CN105417354B true CN105417354B (en) | 2017-05-31 |
Family
ID=55495979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510839783.7A Active CN105417354B (en) | 2015-11-27 | 2015-11-27 | A kind of crane safety hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105417354B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5306730B2 (en) * | 2008-07-08 | 2013-10-02 | パナソニック株式会社 | Half bridge circuit |
| CN202296838U (en) * | 2011-09-30 | 2012-07-04 | 河南省矿山起重机有限公司 | Crane hook set and crane using same |
| CN103950828B (en) * | 2014-05-15 | 2016-07-20 | 上海宝松盐城重型机械工程有限公司 | Crane hook 90 ° location anti-rotation device |
| CN204138161U (en) * | 2014-10-08 | 2015-02-04 | 杭州浙起机械有限公司 | A kind of electric block lifting hook device |
-
2015
- 2015-11-27 CN CN201510839783.7A patent/CN105417354B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105417354A (en) | 2016-03-23 |
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