CN204778520U - Lifting hook anti -falling device that rushes to summit - Google Patents
Lifting hook anti -falling device that rushes to summit Download PDFInfo
- Publication number
- CN204778520U CN204778520U CN201520527766.5U CN201520527766U CN204778520U CN 204778520 U CN204778520 U CN 204778520U CN 201520527766 U CN201520527766 U CN 201520527766U CN 204778520 U CN204778520 U CN 204778520U
- Authority
- CN
- China
- Prior art keywords
- summit
- mushroom head
- backing pin
- rushed
- main hook
- 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.)
- Active
Links
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims abstract description 55
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 239000000725 suspension Substances 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 241000282472 Canis lupus familiaris Species 0.000 abstract 6
- 239000004744 fabric Substances 0.000 abstract 1
- 230000035515 penetration Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model provides a lifting hook anti -falling device that rushes to summit, it includes that the mushroom of fixed connection on the main hook is first and is located the locking device above becoming width of cloth dolly below and being located the main hook, locking device is including setting up in the preceding baffle and the backplate at side shield both ends to and twice baffles being connected bottom the baffle of both sides respectively, be equipped with two backing pin A, two backing pin B and two dogs between preceding baffle and the backplate, the dog is connected through spring and both sides baffle respectively, and the both ends of this dog still are equipped with the cutting ferrule to be connected with preceding baffle and backplate respectively, and the cross section of dog is semi -circle or little semi -circle and axial plane up, backing pin A and backing pin B set up in the top of dog respectively and are used for limiting the not equidirectional rotation angle of dog, it has solved the defect that the lifting hook was rushed to summit and is easily leaded to the lifting hook to fall to overall structure is simple, installation and convenient operation, and shock resistance is strong, light in weight, small, low in manufacturing cost, easily penetration and promotion use, it extensively is applicable to, and various tower crane are supporting to be used.
Description
Technical field
The utility model relates to a kind of suspension hook and to rush to summit anti-fall device.
Background technology
Tower crane is that modern industry produces indispensable equipment, be widely used in the lifting of various material, transport, handling, installation and etc. in operation; Tower crane belongs to the machine of aerial work, its state of the art and the quality of safe condition, be directly connected to the person, device security and product design and production efficiency, it is classified as special equipment in addition special management by China, runs well, makes good use of the key link that weight-lifting equipment is safety in production.
GB5031 tower crane specifies, the tower crane of horizontal boom load-carrying amplitude variation trolley rises to extreme higher position and loading trolley bottom impacts for preventing load hook, lifting mechanism is provided with hoisting limiter, for the tower machine of amplitude variation trolley, when cargo hook gear top is raised to amplitude variation trolley frame distance 800mm place bottom, should stop immediately hoisting motion and should descending motion being had; But in the actual moving process of tower machine, there is the situation that hoisting limiter is malfunctioning, phase sequence relay damages and causes suspension hook up-and-down movement reverse, if operation driver fails to stop in time the upward movement of suspension hook, cargo hook gear top will upwards run fast with amplitude variation trolley frame bottom rush to summit and collide, form very large impulsive force, thus the tension force of steel rope is increased exponentially, probably cause wire cable rupture, suspension hook is together with weight from falling in the air, and its consequence is very serious.
Utility model content
For above-mentioned situation, the utility model object is to provide a kind of suspension hook to rush to summit anti-fall device, and the structure that it utilizes block to overturn solves suspension hook and to rush to summit the defect easily causing suspension hook to fall; And integral structure is simple, to install and easy to operate, strong shock resistance, lightweight, volume is little, low cost of manufacture, be easy to promote the popularization use.
For realizing above-mentioned task, a kind of suspension hook is rushed to summit anti-fall device, and it comprises the mushroom head that is fixedly connected on main hook and to be positioned at below amplitude variation trolley and the latching device be positioned at above main hook, and described main hook is connected on amplitude variation trolley by steel rope; Described latching device comprises the front apron and back shield that are arranged at two side shield two ends, and respectively with two lower baffle plates be connected bottom two side shields; Two backing pin A, two backing pin B and two blocks are provided with between described front apron and back shield, described block is connected with two side shields through spring respectively, the two ends of this block are also provided with cutting ferrule and are connected with front apron and back shield respectively, and the cross-sectional plane of described block is for semicircle or smaller part is circular and axial plane is arranged upward; Described backing pin A and backing pin B be arranged at respectively block top and for the flip angle of limit stop different directions; When main hook is rushed to summit, main hook drives mushroom head upwards to run fast, two blocks under the collision of mushroom head by axial horizontality with cutting ferrule for axially to overturn, and mushroom head continue upwards run time two blocks reset rapidly under the stretching of spring, under gravity mushroom head decline time can be caught on by two blocks.
For realizing the utility model structure, effect optimization, its further step: described two backing pin A, two backing pin B and two blocks are all symmetrically distributed in the two ends between front apron and back shield.
Described backing pin A upwards overturns because mushroom head washes open for limit stop and is not more than 90 °.
Described backing pin B is used for limit stop and overturns downwards because of deadweight, keeps two block axial planes to be horizontality.
The distance at edge to the center of described block is E, and the axial plane of described block is F to the distance of lower baffle plate, and described F is greater than the size more than one centimetre of described E.
Distance bottom described lower baffle plate and amplitude variation trolley is H, and the height that described mushroom head stretches out plane on main hook is L, and described H is greater than the size of described L.
The bottom side of described lower baffle plate is provided with polyurethane elastic plate for cushioning the impulsive force of main hook.
Described main hook comprises mushroom head, nut, double-deck backing plate, connecting rod, snap ring and bearing pin; Described mushroom head is connected with connecting rod through nut, double-deck backing plate in turn, and described bearing pin is connected with the both sides adapter plate of main hook through the through hole on snap ring and connecting rod.
The translateral snap ring of described connecting rod is positioned main hook center, and described mushroom head adopts with connecting rod and is threaded.
A kind of suspension hook of the utility model is rushed to summit anti-fall device, and it comprises the mushroom head that is fixedly connected on main hook and to be positioned at below amplitude variation trolley and the latching device be positioned at above main hook, and described main hook is connected on amplitude variation trolley by steel rope; Described latching device comprises the front apron and back shield that are arranged at two side shield two ends, and respectively with two lower baffle plates be connected bottom two side shields; Two backing pin A, two backing pin B and two blocks are provided with between described front apron and back shield, described block is connected with two side shields through spring respectively, the two ends of this block are also provided with cutting ferrule and are connected with front apron and back shield respectively, and the cross-sectional plane of described block is for semicircle or smaller part is circular and axial plane is arranged upward; Described backing pin A and backing pin B be arranged at respectively block top and for the flip angle of limit stop different directions; When main hook is rushed to summit, main hook drives mushroom head upwards to run fast, two blocks under the collision of mushroom head by axial horizontality with cutting ferrule for axially to overturn, and mushroom head when continuing upwards to run two blocks reset rapidly under the stretching of spring, the technical scheme that can be caught on by two blocks when mushroom head declines under gravity; It solve suspension hook to rush to summit the defect easily causing suspension hook to fall; And integral structure is simple, to install and easy to operate, strong shock resistance, lightweight, volume is little, low cost of manufacture, be easy to promote the popularization use.
The beneficial effect that the utility model is produced compared to existing technology:
I, the utility model adopts block to be that axle can realize suspension hook and do not fall to the structure of both sides upset with cutting ferrule, effectively can prevent the generation of safety misadventure, and structure is simple, installs and easy to operate;
II, the utility model adopts backing pin A to carry out limit stop upwards to overturn because mushroom head washes open and be not more than 90 °, and block can be impelled to overturn reset rapidly, and effective guarantee block catches on mushroom head in time and prevents suspension hook from falling;
III, the utility model adopts backing pin B to carry out limit stop to overturn downwards because of deadweight, remain that two block axial planes are horizontality, can the firm and reliable connection of effective guarantee block and mushroom head, prevents the generation of safety misadventure;
IV, the utility model adopts mushroom head to be threaded with connecting rod through double-deck backing plate, and double-deck backing plate can limit mushroom head can not sway on the top of main hook, and effective guarantee mushroom head is positioned at main hook center, prevents main hook to rush to summit the accident of meeting accident;
V, the utility model adopts the cross-sectional plane of block for semicircle or smaller part is circular and axial plane is arranged upward, can ensure that block smooth movements is flexible, and effectively can catch on mushroom head when main hook is rushed to summit, prevent safety misadventure from occurring;
VI, the structure that block of the present utility model can overturn solves suspension hook and to rush to summit the defect easily causing suspension hook to fall; And integral structure is simple, to install and easy to operate, strong shock resistance, lightweight, volume is little, manufacturing cost significantly reduces, and effectively can prevent the generation of safety misadventure, wide market, be convenient to promote the use of.
The utility model is widely used in various tower crane and supports the use.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming the application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.
Fig. 1 is integral structure schematic diagram of the present utility model.
Fig. 2 is the front view of the utility model latching device.
Fig. 3 is the utility model locking device structure schematic diagram.
Fig. 4 is the schematic diagram of the utility model embodiment.
Fig. 5 is the schematic diagram of the utility model embodiment.
Fig. 6 is the structural representation of the utility model main hook.
In figure: 1-amplitude variation trolley, 2-main hook, 21-mushroom head, 22-nut, the double-deck backing plate of 23-, 24-connecting rod, 25-snap ring, 26-bearing pin, 3-latching device, 31-back shield, 32-backing pin A, 33-backing pin B, 34-cutting ferrule, 35-lower baffle plate, 36-block, 37-spring, 38-side shield, 39-front apron, the distance at edge to the center of E-block, the axial plane of F-block is to the distance of lower baffle plate, and the distance bottom H-lower baffle plate to amplitude variation trolley, L-mushroom head stretches out the height of plane on main hook.
Detailed description of the invention
With reference to accompanying drawing, the utility model is achieved in that a kind of suspension hook is rushed to summit anti-fall device, it comprises the mushroom head 21 that is fixedly connected on main hook 2 and to be positioned at below amplitude variation trolley 1 and the latching device 3 be positioned at above main hook 2, and described main hook 2 is connected on amplitude variation trolley 1 by steel rope; Described latching device 3 comprises the front apron 39 and back shield 31 that are arranged at two side shield 38 two ends, and respectively with two lower baffle plates 35 be connected bottom two side shields 38; Two backing pin A32, two backing pin B33 and two blocks 36 are provided with between described front apron 39 and back shield 31, described block 36 is connected with two side shields 38 through spring 37 respectively, the two ends of this block 36 are also provided with cutting ferrule 34 and are connected with front apron 39 and back shield 31 respectively, and the cross-sectional plane of described block 36 is for semicircle or smaller part is circular and axial plane is arranged upward; Described backing pin A32 and backing pin B33 be arranged at respectively block 36 top and for the flip angle of limit stop 36 different directions; When main hook 2 is rushed to summit, main hook 2 drives mushroom head 21 upwards to run fast, two blocks 36 under the collision of mushroom head 21 by axial horizontality with cutting ferrule 34 for axially to overturn, and mushroom head 21 when continuing upwards to run two blocks 36 reset rapidly under the stretching of spring 37, can be caught on by two blocks 36 when mushroom head 21 declines under gravity.
As shown in Figure 1, lower baffle plate 35 of the present utility model is H with the distance bottom amplitude variation trolley 1, the height that described mushroom head 21 stretches out plane on main hook 2 is L, and described H is greater than the size of described L, can effectively prevent mushroom head 21 because of rush to summit with amplitude variation trolley 1 bottom collide and damage; The bottom side of described lower baffle plate 35 is provided with polyurethane elastic plate for cushioning the impulsive force of main hook 2, can effectively prevent main hook 2 and latching device 3 from damaging because rushing to summit collision.
As shown in Figure 2, the distance at edge to the center of block 36 of the present utility model is E, the axial plane of described block 36 is F to the distance of lower baffle plate 35, and described F is greater than the size more than one centimetre of described E, when block 36 is washed open and is upwards turn to maximum angle under the effect of mushroom head 21, the timely reset of block 36 can not be affected because of lower baffle plate 35 and/or getting rusty of side shield 38, ensure that main hook 2 can not fall.
As shown in Figure 3, two backing pin A32 of the present utility model, two backing pin B33 and two blocks 36 are all symmetrically distributed in the two ends between front apron 39 and back shield 31, described two blocks 36 be half nahlock and axial plane towards upper setting; Described backing pin A32 upwards overturns because mushroom head 21 washes open for limit stop 36 and is not more than 90 °, and block 36 can be impelled to overturn rapidly reset, and effective guarantee block 36 catches on mushroom head 21 in time and prevents main hook 2 from falling; Described backing pin B33 is used for limit stop 36 and overturns downwards because of deadweight, remains that two block 36 axial planes are horizontality, and energy effective guarantee block 36 and the firm and reliable connection of mushroom head 21, prevent the generation of safety misadventure.
As shown in Figure 4 and Figure 5, embodiment one of the present utility model: when hoisting limiter is malfunctioning, main hook 2 drives mushroom head 21 upwards to run fast, two blocks 36 under the collision of mushroom head 21 by axial horizontality with cutting ferrule 34 for axially to overturn, and mushroom head 21 when continuing upwards to run two blocks 36 reset rapidly under the stretching of spring 37, when main hook 2 to contact with lower baffle plate 35 be obstructed time mushroom head 21 just stop rising, now mushroom head 21 starts to decline under gravity, until mushroom head 21 is caught on just out of service by two blocks 36, main hook 2 is subject to protection and can not falls, safety misadventure is avoided to occur.
As shown in Figure 6, main hook 2 of the present utility model comprises mushroom head 21, nut 22, double-deck backing plate 23, connecting rod 24, snap ring 25 and bearing pin 26; Described mushroom head 21 is connected with connecting rod 24 through nut 22, double-deck backing plate 23 in turn, and described bearing pin 26 is connected with the both sides adapter plate of main hook 2 through the through hole on snap ring 25 and connecting rod 24; The translateral snap ring 25 of described connecting rod 24 is positioned main hook 2 center, described mushroom head 21 adopts with connecting rod 24 and is threaded, snap ring 25 and double-deck backing plate 23 can limit mushroom head 21 can not sway on the top of main hook 2, effective guarantee mushroom head 21 is positioned at main hook center, prevents main hook to rush to summit the accident of meeting accident.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations; All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a suspension hook is rushed to summit anti-fall device, it is characterized in that comprising the mushroom head (21) that is fixedly connected on main hook (2) and be positioned at amplitude variation trolley (1) below and be positioned at the latching device (3) of main hook (2) top, described main hook (2) is connected on amplitude variation trolley (1) by steel rope; Described latching device (3) comprises the front apron (39) and back shield (31) that are arranged at two side shields (38) two ends, and two lower baffle plates (35) be connected with two side shields (38) bottom respectively; Two backing pin A (32), two backing pin B (33) and two blocks (36) are provided with between described front apron (39) and back shield (31), described block (36) is connected with two side shields (38) through spring (37) respectively, the two ends of this block (36) are also provided with cutting ferrule (34) and are connected with front apron (39) and back shield (31) respectively, and the cross-sectional plane of described block (36) is for semicircle or smaller part is circular and axial plane is arranged upward; Described backing pin A (32) and backing pin B (33) be arranged at respectively block (36) top and for the flip angle of limit stop (36) different directions; When main hook (2) is rushed to summit, main hook (2) drives mushroom head (21) upwards to run fast, two blocks (36) under the collision of mushroom head (21) by axial horizontality with cutting ferrule (34) for axially to overturn, and mushroom head (21) continue upwards run time two blocks (36) reset rapidly under the stretching of spring (37), under gravity mushroom head (21) decline time can be caught on by two blocks (36).
2. a kind of suspension hook according to claim 1 is rushed to summit anti-fall device, it is characterized in that described two backing pin A (32), two backing pin B (33) and two blocks (36) are all symmetrically distributed in the two ends between front apron (39) and back shield (31).
3. a kind of suspension hook according to claim 2 is rushed to summit anti-fall device, it is characterized in that described backing pin A (32) upwards to overturn because mushroom head (21) washes open for limit stop (36) and is not more than 90 °.
4. a kind of suspension hook according to claim 2 is rushed to summit anti-fall device, it is characterized in that described backing pin B (33) overturns because of deadweight for limit stop (36) downwards, keeps two blocks (36) axial plane to be horizontality.
5. a kind of suspension hook according to claim 1 is rushed to summit anti-fall device, it is characterized in that the distance at edge to the center of described block (36) is E, the axial plane of described block (36) is F to the distance of lower baffle plate (35), and described F is greater than the size more than one centimetre of described E.
6. a kind of suspension hook according to claim 1 is rushed to summit anti-fall device, it is characterized in that described lower baffle plate (35) is H with the distance of amplitude variation trolley (1) bottom, the height that described mushroom head (21) stretches out the upper plane of main hook (2) is L, and described H is greater than the size of described L.
7. a kind of suspension hook according to claim 1 is rushed to summit anti-fall device, it is characterized in that the bottom side of described lower baffle plate (35) is provided with elastic polyurethane plate for cushioning the impulsive force of main hook (2).
8. a kind of suspension hook according to claim 1 is rushed to summit anti-fall device, it is characterized in that described main hook (2) comprises mushroom head (21), nut (22), double-deck backing plate (23), connecting rod (24), snap ring (25) and bearing pin (26); Described mushroom head (21) is connected with connecting rod (24) through nut (22), double-deck backing plate (23) in turn, and described bearing pin (26) is connected with the both sides adapter plate of main hook (2) through the through hole on snap ring (25) and connecting rod (24).
9. a kind of suspension hook according to claim 8 is rushed to summit anti-fall device, it is characterized in that described connecting rod (24) translateral snap ring (25) is positioned main hook (2) center, described mushroom head (21) adopts with connecting rod (24) and is threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520527766.5U CN204778520U (en) | 2015-07-20 | 2015-07-20 | Lifting hook anti -falling device that rushes to summit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520527766.5U CN204778520U (en) | 2015-07-20 | 2015-07-20 | Lifting hook anti -falling device that rushes to summit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204778520U true CN204778520U (en) | 2015-11-18 |
Family
ID=54518612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520527766.5U Active CN204778520U (en) | 2015-07-20 | 2015-07-20 | Lifting hook anti -falling device that rushes to summit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204778520U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128824A (en) * | 2017-06-15 | 2017-09-05 | 合肥海腾软件科技有限公司 | The anti-suspension hook of derrick crane is rushed to summit falling protecting device |
| CN111977531A (en) * | 2020-07-14 | 2020-11-24 | 中亿丰建设集团股份有限公司 | Buffer stop system for crane boom |
-
2015
- 2015-07-20 CN CN201520527766.5U patent/CN204778520U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128824A (en) * | 2017-06-15 | 2017-09-05 | 合肥海腾软件科技有限公司 | The anti-suspension hook of derrick crane is rushed to summit falling protecting device |
| CN111977531A (en) * | 2020-07-14 | 2020-11-24 | 中亿丰建设集团股份有限公司 | Buffer stop system for crane boom |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204778520U (en) | Lifting hook anti -falling device that rushes to summit | |
| CN101683957A (en) | Protective device for lifting and three-dimensional garage with same | |
| CN205527328U (en) | Lifting hook anti -falling device | |
| CN204938806U (en) | Preventing lifting hook from falling device | |
| CN205034980U (en) | A lifting hook anti -falling device for hoist | |
| CN205034985U (en) | Tower crane lifting hook anti -falling device | |
| CN206985581U (en) | A kind of chain block for preventing hoisting-chain from skidding | |
| CN206767498U (en) | A kind of car rope groove-jumping-preventing device | |
| CN203345956U (en) | Device for preventing falling during over-hoisting of lifting hook of hoist | |
| CN211813061U (en) | Large steel structure hoisting with safety protection function | |
| CN211974534U (en) | Falling protector between marcing | |
| CN207158600U (en) | A kind of longitudinal beam lift | |
| CN103407857A (en) | Cage traction falling protector | |
| CN209635730U (en) | A kind of crane dropping-proof hook | |
| CN203129557U (en) | Steel-ball gravity-locking type fall-prevention device for integral lifting scaffold | |
| CN209668652U (en) | A kind of anti-tower crane suspension hook is rushed to summit the safety guard that disconnected rope falls | |
| CN207779663U (en) | A kind of device for being used to prevent steel wire rope from beating when cradle safety lock drop shutter test | |
| CN201882820U (en) | Automatic jacking device for buffer rod of variable-amplitude auxiliary arm of wheel crane | |
| CN107140519B (en) | A kind of suspender for carrier vehicle vehicle frame | |
| CN204983848U (en) | Safety device of sky parking equipment | |
| CN205575371U (en) | Round -link chain pulls chain rupture and arrests protection device | |
| CN204847784U (en) | Novel lifting hook | |
| CN201092512Y (en) | Sling used for lifting large-scale mill housing | |
| CN203558671U (en) | Elevator with rope breakage protection device | |
| CN220599129U (en) | Engineering hanging basket with anti-collision structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190415 Address after: No. 1-6-1 of 16 blocks in Yuanda Jinxiu Four Seasons Garden, Anshun Economic and Technological Development Zone, Guizhou Province, 561000 Patentee after: Anshun Zhongan Installation Engineering Co., Ltd. Address before: 410300 No. 1003, unit 4, building A, Dongfang Xintiandi, Liuyang, Changsha, Hunan. Patentee before: Zhang Yanhua |