CN203602230U - Crane and unhooking-preventing device - Google Patents
Crane and unhooking-preventing device Download PDFInfo
- Publication number
- CN203602230U CN203602230U CN201320723424.1U CN201320723424U CN203602230U CN 203602230 U CN203602230 U CN 203602230U CN 201320723424 U CN201320723424 U CN 201320723424U CN 203602230 U CN203602230 U CN 203602230U
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- plate
- positioning plate
- hook
- weight plate
- weight
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- 239000000725 suspension Substances 0.000 claims description 68
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 230000005484 gravity Effects 0.000 claims description 12
- 238000004804 winding Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses an unhooking-preventing device which is used for preventing a rope from releasing from a lifting hook. The unhooking-preventing device comprises a limiting plate and a counter weight plate, wherein the limiting plate is provided with a first connection end and a clamping end which is capable of propping against the inner wall of a hook point of the lifting hook; the counter weight plate is provided with a second connection end and a tail end; the second connection end is fixedly connected with the first connection end; the limiting plate and the counter weight plate are arranged in a V-shaped manner; a V-shaped opening end faces to the lifting hook; the limiting plate or the counter weight plate can be hinged with unhooking lugs; when the lifting hook is no-load and the limiting plate and the counter weight plate are balanced, the clamping end is propped against the inner wall of the hook point of the lifting hook. Through the structure design of the unhooking-preventing device, the problems that the unlocking-preventing device in the prior art is easily damaged, the service life is short, and inconvenient and unsafe factors exist in the operation can be effectively solved. The utility model also discloses a crane comprising the unhooking-preventing device.
Description
Technical field
The utility model relates to hoisting crane technical field, more particularly, relates to a kind of hoisting crane and Anti-hook releasing device thereof.
Background technology
Hoisting crane refers to many actions elevator machinery of vertical-lift within the specific limits and horizontal carrying heavy goods, claims again crane.It is mainly used in the technical field such as building engineering, civil engineering.When in use procedure, the suspension hook of hoisting crane hooks weight, the weight of its hook block often departs from the situation that suspension hook drops, and has caused potential safety hazard.
Suspension hook comprises suspension hook body and bill, and wherein suspension hook body one end connection bill other end is connected with connecting arm, between bill and the end of suspension hook body, forms bayonet socket.For fear of above-mentioned potential safety hazard, in prior art, end at suspension hook body arranges lug towards a side of bayonet socket, and on the lug of suspension hook by torsion spring and bolt mounting limit plate, one end of positioning plate is connected with lug, and the other end is against on the inwall of bill, thereby makes positioning plate block bayonet socket, the rope that prevents from being lifted in suspension hook departs from, the situation dropping.But, using torsion spring mounting limit plate, torsion spring usually moves axially, misplace, thereby cause the distortion of bolt, lose the effect of anticreep, therefore anti-drop device of the prior art is more fragile, and the life-span is lower, and it is more inconvenient to get on suspension hook weight operation.
In sum, how to provide that effectively to solve anti-drop device of the prior art fragile, the life-span is short, gets the problem such as weight inconvenient operation on suspension hook, is current those skilled in the art's urgent problem.
Utility model content
In view of this, first object of the present utility model is to provide a kind of Anti-hook releasing device, it is fragile that the structure design of this Anti-hook releasing device can solve anti-drop device of the prior art effectively, life-span is short and get on suspension hook the problems such as weight inconvenient operation, and second object of the present utility model is to provide a kind of hoisting crane that comprises above-mentioned Anti-hook releasing device.
In order to reach above-mentioned first object, the utility model provides following technical scheme:
A kind of Anti-hook releasing device, for preventing that rope from departing from suspension hook, comprising:
Positioning plate, its have the first coupling end and can with the card end of the inwall butt of the bill of suspension hook;
Weight plate, it has the second coupling end and tail end, and described the second coupling end is fixedly connected with the first coupling end, and described positioning plate and the V-shaped setting of Weight plate, and the mouth end of V-type is towards suspension hook;
Described positioning plate or described Weight plate can be hinged with the lug breaking off relations, and when suspension hook zero load and described positioning plate and Weight plate balance, described card end is connected on the inwall of bill of suspension hook.
Preferably, on described Weight plate, be fixedly connected with balance weight body.
Preferably, described balance weight body is fixed on the tail end of described Weight plate.
Preferably, also comprise the handle that is arranged at described Weight plate end.
Preferably, the angle between described positioning plate and Weight plate is 30 °-75 °.
Preferably, the center of gravity of described Weight plate is greater than the center of gravity of described positioning plate to the moment of jointed shaft to the moment of jointed shaft.
Preferably, Weight plate is specially quadra, and suspension hook can be through the hollow hole of quadra.
Preferably, described positioning plate is provided with mounting ear near a side of Weight plate, and the lug of described mounting ear and unhook is hinged by jointed shaft.
Preferably, the card end of described positioning plate is provided with and the inclined-plane of the inwall close fit of bill.
A kind of hoisting crane, comprises the Anti-hook releasing device as described in above-mentioned middle any one.
The Anti-hook releasing device that the utility model provides is mainly used in preventing that rope from departing from suspension hook, the situation that weight drops occurs, it comprises positioning plate and Weight plate, wherein positioning plate have the first coupling end and can with the card end of the inwall butt of the bill of suspension hook, Weight plate has the second coupling end and tail end, the second coupling end is fixedly connected with the first coupling end, and positioning plate and the V-shaped setting of Weight plate, and the mouth end of V-type is towards suspension hook setting.Positioning plate or Weight plate can be hinged with the lug breaking off relations, and when suspension hook zero load and positioning plate and Weight plate balance, card end is connected on the inwall of bill of suspension hook.
Application the utility model provide Anti-hook releasing device time, first by hinged to Weight plate or positioning plate and lug, wherein can on Weight plate or positioning plate, mounting ear be set, utilize mounting ear and lug hinged, realize Weight plate or positioning plate and lug with this hinged.Because Weight plate is fixedly connected with positioning plate, therefore Weight plate and positioning plate entirety can be rotated around jointed shaft, rotate with respect to suspension hook, in the time of suspension hook zero load and positioning plate and Weight plate balance, card end is connected on the inwall of bill of suspension hook, now positioning plate one end and bill butt, the other end is against lug place, realize positioning plate or positioning plate and the common mouth end that covers whole bayonet socket of Weight plate with this, make rope can not depart from suspension hook, realize the object of lock hook with this.In the time that suspension hook has been hung oneself weight, if rope winding position is near bill, due to center of gravity deflection bill, for keep balance now whole suspension hook to the position deviation away from bill, now the center of gravity of positioning plate and Weight plate entirety is to the position deviation away from bill, and positioning plate has stopping of bill to depart from, when therefore rope winding position is near bill, positioning plate is connected to bill inner side all the time, to prevent that rope from departing from suspension hook.And when rope winding position is during near the end of suspension hook body, now whole suspension hook is to the position deviation away from suspension hook body tip, rope need depart from through the bending place of suspension hook body bill, though now positioning plate not with the inwall butt of bill, phenomenon can not break off relations yet.The Anti-hook releasing device that the utility model provides, directly carries out Weight plate or positioning plate hingedly, has avoided use torsion spring to connect, and the longitudinal travel that difficult generation is larger is not fragile, has extended accordingly service life.In addition, positioning plate can rotate, and is more convenient to get accordingly the weight on suspension hook.
In order to reach above-mentioned second object, the utility model also provides a kind of hoisting crane, and this hoisting crane comprises above-mentioned any Anti-hook releasing device.Because above-mentioned Anti-hook releasing device has above-mentioned technique effect, the hoisting crane with this Anti-hook releasing device also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the Anti-hook releasing device that Fig. 1 provides for the utility model embodiment;
The Anti-hook releasing device that Fig. 2 provides for the utility model embodiment and the assembling schematic diagram of suspension hook;
The birds-eye view of the Weight plate that Fig. 3 provides for the utility model embodiment;
The lateral plan of the Weight plate that Fig. 4 provides for the utility model embodiment;
The lateral plan of the positioning plate that Fig. 5 provides for the utility model embodiment.
In accompanying drawing, mark is as follows:
1-handle, 2-balance weight body, 3-Weight plate, 4-jointed shaft, 5-positioning plate, 51-mounting ear, 6-suspension hook, 61-bill, 62-suspension hook body, 63-lug.
The specific embodiment
First object of the present utility model is to provide a kind of Anti-hook releasing device, it is fragile that the structure design of this Anti-hook releasing device can solve anti-drop device of the prior art effectively, life-span is short gets the problem such as weight inconvenient operation on suspension hook, and second object of the present utility model is to provide a kind of hoisting crane that comprises above-mentioned Anti-hook releasing device.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 5, the Anti-hook releasing device that the utility model embodiment provides is mainly used in preventing that rope from departing from suspension hook 6, the situation that weight drops occurs, it comprises positioning plate 5 and Weight plate 3, wherein positioning plate 5 have the first coupling end and can with the card end of the inwall butt of the bill of suspension hook 6 61, Weight plate 3 has the second coupling end and tail end, the second coupling end is fixedly connected with the first coupling end, and positioning plate 5 and the V-shaped setting of Weight plate 3, and the mouth end of V-type arranges towards suspension hook 6.Positioning plate 5 or Weight plate 3 can be hinged with the lug 63 breaking off relations, and when suspension hook 6 zero loads and positioning plate 5 and Weight plate 3 balance, card end is connected on the inwall of bill 61 of suspension hook 6.
When Anti-hook releasing device that application the utility model embodiment provides, first by hinged with lug 63 to Weight plate 3 or positioning plate 5, wherein can on Weight plate 3 or positioning plate 5, mounting ear 51 be set, utilize mounting ear 51 and lug 63 hinged, realize Weight plate 3 or positioning plate 5 and lug 63 with this hinged.Because Weight plate 3 is fixedly connected with positioning plate 5, therefore Weight plate 3 and positioning plate 5 entirety can be rotated around jointed shaft 4, rotate with respect to suspension hook 6, in the time of suspension hook 6 zero loads and positioning plate 5 and Weight plate 3 balance, card end is connected on the inwall of bill 61 of suspension hook 6, now positioning plate 5 one end and bill 61 butts, the other end is against lug 63 places, realize positioning plate 5 or positioning plate 5 and the common mouth end that covers whole bayonet socket of Weight plate 3 with this, make rope can not depart from suspension hook 6, realize the object of lock hook with this.In the time that suspension hook 6 has been hung oneself weight, if rope winding position is near bill 61, due to center of gravity deflection bill 61, for keep balance now whole suspension hook 6 to the position deviation away from bill 61, now the center of gravity of positioning plate 5 and Weight plate 3 entirety is to the position deviation away from bill 61, and positioning plate 5 has stopping of bill 61 to depart from, when therefore rope winding position is near bill 61, positioning plate 5 is connected to bill 61 inner sides all the time, to prevent that rope from departing from suspension hook 6.And when rope winding position is during near the end of suspension hook body 62, now whole suspension hook 6 is to the position deviation away from suspension hook body 62 ends, rope need depart from through the bending place of suspension hook body 62 bill 61, though now positioning plate 5 not with the inwall butt of bill 61, phenomenon can not break off relations yet.The Anti-hook releasing device that the utility model embodiment provides, directly carries out Weight plate 3 or positioning plate 5 hingedly, has avoided use torsion spring to connect, and the longitudinal travel that difficult generation is larger is not fragile, has extended accordingly service life.In addition, positioning plate can rotate, and is more convenient to get accordingly the weight on suspension hook.
Wherein, positioning plate 5 can be fixedly connected with by the mode of welding with Weight plate 3, also can be bolted to connection.
In order further to optimize technique scheme, in order to strengthen the weight of Weight plate 3, can on Weight plate 3, be fixedly installed balance weight body 2, balance weight body 2 can be specially metal ribs or derby.Further, balance weight body 2 can be welded on Weight plate 3.Accordingly, in order to increase the moment of balance weight body 2 to jointed shaft 4, balance weight body 2 can be fixed on to the tail end of Weight plate 3, balance weight body 2 also can be fixed on other position of Weight plate 3 certainly, such as midway location, in this no limit.Balance weight body 2 can certainly be set, and the quality that only increases the weight of Weight plate 3 is also passable, or the tail end quality of Weight plate 3 is heavier, in this no limit.
Wherein, for the ease of this Anti-hook releasing device of hand-turning, this device can also comprise the handle 1 that is arranged at Weight plate 3 ends, so, in the time of needs rotary spacing plate 5 and Weight plate 3 entirety, can rotate by hand-held handle 1.Wherein handle 1 can be quadra, is welded in Weight plate 3 ends.Further, handle 1 can and Weight plate 3 between there is certain angle setting, such as handle 1 one end is connected with Weight plate 3, other end Weight plate 3 away from positioning plate 5 one side extend.
Preferably, angle between positioning plate 5 and Weight plate 3 can be 30 °-75 °, further can be 60 °, specifically can select according to suspension hook tonnage and size, the angle that is the V-structure that forms of positioning plate 5 and Weight plate 3 is 30 °-75 °, angle between the axis of the axis of positioning plate 5 and Weight plate 3 is 30 °-75 °, specifically selects according to suspension hook tonnage and size.Certainly, can also be 80 ° etc. in this no limit.
In addition, the center of gravity of Weight plate 3 can be greater than the center of gravity of positioning plate 5 to the moment of jointed shaft 4 to the moment of jointed shaft 4, so arrange, the card end of being more convenient to positioning plate 5 is connected on bill 61 madial walls, and the center of gravity of Weight plate 3 also can equal to arrive in the center of gravity of positioning plate 5 moment of jointed shaft 4 to the moment of jointed shaft 4 certainly.
In addition, Weight plate 3 can be specially quadra, and suspension hook 6 can be through the hollow hole of quadra, so arrange, after Weight plate 3 or positioning plate 5 and lug 63 are hinged, two of a quadra relative limit can be positioned to the both sides of suspension hook body 62, so that the entirety that Weight plate 3 and positioning plate 5 form is stressed more balanced, be difficult for skew.Certainly, Weight plate 3 can be also real plate, and after Weight plate 3 or positioning plate 5 are hinged with lug 63, Weight plate 3 is positioned at a side of suspension hook body 62, in this no limit.
Preferably, positioning plate 5 is provided with mounting ear 51 near a side of Weight plate 3, mounting ear 51 is hinged by jointed shaft 4 with the lug 63 breaking off relations, wherein jointed shaft 4 can be bolt shaft, be that positioning plate 5 is hinged with lug 63, further, mounting ear 51 can be arranged near of the first coupling end, and so positioning plate 5 can be connected with lug 63 one end.The other end is against on the inwall of bill 61, and only positioning plate 5 covers the bayonet socket end of whole suspension hook 6.Certainly, also can be provided with mounting ear 51 in a side of the close positioning plate 5 of Weight plate 3, mounting ear 51 is hinged, in this no limit by jointed shaft 4 with the lug 63 breaking off relations.
In addition, the card end of positioning plate 5 can be provided with the inclined-plane with the inwall close fit of bill 61, so arranges, and because the inwall of bill 61 be also dip plane, therefore card is held and can be fitted tightly with the inwall of bill 61.Certainly, the card end of positioning plate 5 can be also straight flange, in this no limit.
Based on the Anti-hook releasing device providing in above-described embodiment, the utility model also provides a kind of hoisting crane, and this hoisting crane comprises any one Anti-hook releasing device in above-described embodiment.Because this hoisting crane has adopted the Anti-hook releasing device in above-described embodiment, so the beneficial effect of this Anti-hook releasing device please refer to above-described embodiment.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an Anti-hook releasing device, for preventing that rope from departing from suspension hook, is characterized in that, comprising:
Positioning plate (5), its have the first coupling end and can with the card end of the inwall butt of the bill of suspension hook;
Weight plate (3), it has the second coupling end and tail end, and described the second coupling end is fixedly connected with the first coupling end, and described positioning plate (5) and the V-shaped setting of Weight plate (3), and the mouth end of V-type is towards suspension hook;
Described positioning plate (5) or described Weight plate (3) can be hinged with the lug breaking off relations, and when suspension hook zero load and described positioning plate (5) and Weight plate (3) balance, described card end is connected on the inwall of bill of suspension hook.
2. Anti-hook releasing device according to claim 1, is characterized in that, is fixedly connected with balance weight body (2) on described Weight plate (3).
3. Anti-hook releasing device according to claim 2, is characterized in that, described balance weight body (2) is fixed on the tail end of described Weight plate (3).
4. Anti-hook releasing device according to claim 1, is characterized in that, also comprises the handle (1) that is arranged at described Weight plate (3) end.
5. Anti-hook releasing device according to claim 1, is characterized in that, the angle between described positioning plate (5) and Weight plate (3) is 30 °-75 °.
6. Anti-hook releasing device according to claim 1, is characterized in that, the center of gravity of described Weight plate (3) is greater than the center of gravity of described positioning plate (5) to the moment of jointed shaft (4) to the moment of jointed shaft (4).
7. Anti-hook releasing device according to claim 1, is characterized in that, Weight plate (3) is specially quadra, and suspension hook can be through the hollow hole of quadra.
8. Anti-hook releasing device according to claim 1, is characterized in that, described positioning plate (5) is provided with mounting ear (51) near a side of Weight plate (3), and described mounting ear (51) is hinged by jointed shaft (4) with the lug breaking off relations.
9. Anti-hook releasing device according to claim 1, is characterized in that, the card end of described positioning plate (5) is provided with the inclined-plane with the inwall close fit of bill.
10. a hoisting crane, is characterized in that, comprises the Anti-hook releasing device as described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723424.1U CN203602230U (en) | 2013-11-15 | 2013-11-15 | Crane and unhooking-preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723424.1U CN203602230U (en) | 2013-11-15 | 2013-11-15 | Crane and unhooking-preventing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203602230U true CN203602230U (en) | 2014-05-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320723424.1U Expired - Lifetime CN203602230U (en) | 2013-11-15 | 2013-11-15 | Crane and unhooking-preventing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203602230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110642143A (en) * | 2019-06-28 | 2020-01-03 | 广东韶钢松山股份有限公司 | Gravity type self-discharging lifting hook and use method thereof |
-
2013
- 2013-11-15 CN CN201320723424.1U patent/CN203602230U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110642143A (en) * | 2019-06-28 | 2020-01-03 | 广东韶钢松山股份有限公司 | Gravity type self-discharging lifting hook and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |