CN203638995U - Hook and pulley assembly and crane comprising same - Google Patents
Hook and pulley assembly and crane comprising same Download PDFInfo
- Publication number
- CN203638995U CN203638995U CN201420001579.9U CN201420001579U CN203638995U CN 203638995 U CN203638995 U CN 203638995U CN 201420001579 U CN201420001579 U CN 201420001579U CN 203638995 U CN203638995 U CN 203638995U
- Authority
- CN
- China
- Prior art keywords
- pulley assembly
- pulley
- lifting hook
- whistle
- transmission shaft
- 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.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Images
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model provides a hook and pulley assembly and a crane comprising the same. The hook and pulley assembly comprises a pulley assembly (20), a hook (30) and a warning device (40), wherein the pulley assembly (20) is provided with a first pulley (21); the hook (30) is arranged on the pulley assembly (20); the first pulley (21) is connected with the warning device (40) so as to drive the warning device (40) to issue an alarm. With the hook and pulley assembly, alarming information can be transmitted to workers on the ground in time, thereby preventing safety accidents caused by the fact that the workers on the ground are collided by the hook and pulley assembly and a heavy article hung by the assembly.
Description
Technical field
The utility model relates to construction machinery and equipment, in particular to a kind of lifting hook pulley assembly and comprise the hoisting crane of this lifting hook pulley assembly.
Background technology
The lifting hook pulley assembly of hoisting crane can up-and-down movement, for hoisting heavy.As shown in Figure 1, for existing a kind of lifting hook pulley assembly, comprise pulley assembly 20 ' and suspension hook 30 ', wherein pulley assembly 20 ' comprises the first pulley 21 ', the second pulley 22 ' and the 3rd pulley 23 ', the first pulley 21 ', the second pulley 22 ' and the 3rd pulley 23 ' are separately fixed on pulley yoke 24 ', suspension hook 30 ' is positioned at the below of pulley assembly 20 ', and is articulated on pulley yoke 24 '.The free end of steel rope 10 ' is after winch is drawn, walk around the first pulley 21 ', walk around again the 3rd pulley 23 ', then walk around the second pulley 22 ', finally be fixed on attachment point, make the lifting mechanism of steel rope 10 ' and lifting hook pulley assembly composition hoisting crane, in the time that winch is worked, lifting hook pulley assembly can be under the driving of steel rope 10 ' up-and-down movement.
In the time of crane job, lifting hook pulley assembly and hang carry weight may in the altitude range nearer apart from ground, move, if ground staff can not obtain in time lifting hook pulley assembly and hang the weight carrying near own information, easily encountered initiation safety misadventure by lifting hook pulley assembly and the weight that hangs year thereof.For fear of the generation of this phenomenon, in existing a kind of lifting hook pulley assembly, be provided with telltale, this telltale is that electric bell is placed in pulley assembly, the switch in the electric loop at electric bell place is arranged in driver's cab, driver opens switch can electric conduction loop, electric bell is sounded the alarm, remind ground staff to leave.The defect of this telltale is: if there is ground staff to enter the scope of work of lifting hook pulley assembly in crane job process, exist driver can not find in time and open electric bell and send the danger of warning, even if driver finds that there is dangerous situation in time, from opening switch, give the alarm to electric bell, until ground staff obtains warning information, this process need regular hour, must cause certain retardance, still cannot stop the generation of safety misadventure.
Utility model content
The utility model aims to provide a kind of lifting hook pulley assembly and comprises the hoisting crane of this lifting hook pulley assembly, can be in time earthward personnel send a warning, avoid ground staff by lifting hook pulley assembly and hang the weight carrying and encounter and cause safety misadventure.
To achieve these goals, according to an aspect of the present utility model, provide a kind of lifting hook pulley assembly, having comprised: pulley assembly, pulley assembly has the first pulley; And suspension hook, suspension hook is arranged on pulley assembly; Lifting hook pulley assembly also comprises telltale; The first pulley is connected with telltale, drives telltale to give the alarm.
Further, pulley assembly also comprises steel rope, and steel rope is set around on the first pulley, and when the action of lifting hook pulley assembly, steel rope drives the first pulley to rotate, and the first pulley drive telltale gives the alarm.
Further, telltale comprises: whistle rotating disk; And drive mechanism, drive mechanism is connected between the first pulley and whistle rotating disk.
Further, the first pulley has the serrated wheel structure of circumferentially extending along it; Drive mechanism comprises gear and transmission shaft; Whistle rotating disk is fixed on transmission shaft, and transmission shaft is located on pulley assembly, and gear is set on transmission shaft regularly, and gear is meshed with the serrated wheel structure of the first pulley.
Further, the first pulley has grooving, and the outer peripheral face of a sidewall in two sidewalls of formation grooving has serrated wheel structure.
Further, gear is fixedly connected with by flat key with transmission shaft.
Further, whistle rotating disk comprises: base, and base is fixed on transmission shaft; And main body, main body is fixed on base, and main body is sent birdie in rotation process.
Further, the periphery wall of main body has air flow inlet and the air stream outlet that interval arranges and is communicated with, and whistle rotating disk is under rotary state, and air-flow flows to air stream outlet and forms birdie after entering air flow inlet.
Further, whistle rotating disk has two, lays respectively at the relative both sides of pulley assembly.
According on the other hand of the present utility model, a kind of hoisting crane is provided, comprise lifting hook pulley assembly, lifting hook pulley assembly is aforesaid lifting hook pulley assembly.
Application the technical solution of the utility model, the pulley drive of lifting hook pulley assembly connects a telltale, in the time that lifting hook pulley assembly hangs loads, directly drive telltale to send a warning by pulley, remind ground staff to leave hazardous location, as long as the operation of lifting hook pulley assembly is being carried out, the warning of telltale just can not stop, remind at any time ground staff away from lifting hook pulley assembly and hang the weight carrying, driver notes surface state without the moment, has stopped the generation of safety misadventure.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows according to the schematic diagram of the lifting hook pulley assembly of prior art;
Fig. 2 shows according to the schematic diagram of the lifting hook pulley assembly of embodiment of the present utility model;
Fig. 3 shows according to the A-A of Fig. 2 to cutaway view;
Fig. 4 shows the C place enlarged drawing according to Fig. 3;
Fig. 5 shows the D place enlarged drawing according to Fig. 3;
Fig. 6 shows according to the B-B of Fig. 2 to cutaway view; And
Fig. 7 shows the E place enlarged drawing according to Fig. 6.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
As shown in Figures 2 to 7, according to embodiment of the present utility model, a kind of lifting hook pulley assembly is provided, in conjunction with referring to Fig. 2, lifting hook pulley assembly comprises pulley assembly 20, suspension hook 30 and telltale 40, wherein pulley assembly 20 comprises pulley yoke 24, the first pulley 21, the second pulley 22 and the 3rd pulley 23, the first pulley 21, the second pulley 22 and the 3rd pulley 23 are separately fixed on pulley yoke 24, and the first pulley 21 and the second pulley 22 are positioned at the below of the 3rd pulley 23, suspension hook 30 is articulated on pulley yoke 24 and is positioned at the below of pulley assembly 20, the free end of steel rope 10 is after winch is drawn, walk around the first pulley 21, walk around again the 3rd pulley 23, then walk around the second pulley 22, finally be fixed on attachment point, make steel rope 10 and lifting hook pulley assembly form the lifting mechanism of hoisting crane, telltale 40 is arranged on pulley assembly 20, the first pulley 21 is connected with telltale 40, be used for driving telltale 40 to give the alarm.When lifting hook pulley assembly hoists or when down maneuver, the first pulley 21 is bound to rotate under the drive of steel rope 10, by the first pulley 21 is driven and is connected with telltale 40, make telltale 40 be bound to send a warning at any time in the time of the operation of lifting hook pulley assembly, the moment reminds ground staff away from lifting hook pulley assembly and hangs the weight carrying.
In prior art, having the telltale on a kind of lifting hook pulley assembly is electric bell, the switch in the electric loop at electric bell place is arranged in driver's cab, controlled the unlatching of electric bell by driver, notify ground staff to leave operating area, but, if operation has ground staff to enter operating area midway, cannot guarantee that driver can find and open electric bell in time, also just can not guarantee ground staff's safety, even if driver finds dangerous situation in time, from opening switch, send a warning to electric bell, arrive again ground staff's receiving alarm information, middle process time is longer, still there is the danger that ground staff touches lifting hook pulley assembly and hangs the weight carrying in this course.And the technical solution of the utility model, the unlatching of telltale 40 is driven by the first pulley 21, during due to operation, the first pulley 21 will rotate all the time, so as long as lifting hook pulley assembly hangs loads operation, telltale 40 will keep reporting to the police in the whole process of operation, remind the existence of ground staff's danger, the generation of having stopped safety misadventure.
In conjunction with referring to Fig. 3 to Fig. 7, preferably, telltale 40, for the sound-producing device of the alarm of can sounding, can be warned ground staff more intuitively.Particularly, telltale 40 comprises whistle rotating disk 44 and drive mechanism, wherein drive mechanism is connected between whistle rotating disk 44 and the first pulley 21, whistle rotating disk 44 is for sending the sound-producing device of birdie, in the time that whistle rotating disk 44 rotates under the driving of the first pulley 21, can be at the inner turbulent flow that forms of whistle rotating disk 44, similarly be to blow a whistle equally to send whistle as warning sound.
In conjunction with referring to Fig. 4 and Fig. 5, preferably, drive mechanism comprises gear 41 and transmission shaft 42, and correspondingly, the first pulley 21 has the serrated wheel structure 211 of circumferentially extending along it, this serrated wheel structure 211 engages with gear 41, gear 41 is set on transmission shaft 42 regularly, and transmission shaft 42 is located on pulley yoke 24, and whistle rotating disk 44 is fixed on transmission shaft 42, can rotate with transmission shaft 42, thereby send birdie under the driving of the first pulley 21.
Preferably, on the outer peripheral face of a sidewall in two sidewalls of the formation grooving 212 of the first pulley 21, have serrated wheel structure 211, processing is simple, and the engaging of convenient and gear 41.
Preferably, gear 41 is fixedly connected with transmission shaft 42 by flat key 43, reliable transmission and install simple and convenient.
Preferably, the number of teeth of gear 41 is much smaller than the number of teeth of the serrated wheel structure 211 of the first pulley 21, and in the time that the first pulley 21 rotates one week, gear 41 can rotate a lot of weeks, is generally 6 to 10 weeks, can make whistle rotating disk 44 High Rotation Speeds, sends larger sound.
Preferably, in conjunction with referring to Fig. 4 and Fig. 7, whistle rotating disk 44 comprises base 441 and main body 442, wherein base 441 is fixed on transmission shaft 42, facilitate the installation of main body 442 on transmission shaft 42 as the installation basis of main body 442, main body 442 is to send the main sound-producing device of birdie, main body 442 is for having the disc-shaped structure of inner chamber, outer circle wall has air flow inlet and the air stream outlet that interval arranges and is communicated with, in the time that whistle rotating disk 44 rotates, air-flow enters from air flow inlet, form vortex flow to air stream outlet along the inwall circumferential movement of disk-like structure, part air-flow continues to stay in main body 442, another part flows out from air stream outlet, form turbulent flow at air flow outlet, thereby send edge tone, the birdie it has often been said.
Preferably, base 441 has connector 443, and connector 443 has external thread structure, external thread structure can be located in transmission shaft 42 and be spirally connected fixingly with transmission shaft 42, and whistle rotating disk 44 is fixedly connected with transmission shaft 42, is convenient to dismounting and safeguards.
Preferably; in order to protect transmission shaft 42; transmission shaft 42 two ends are arranged with bearing; the relative both sides of pulley yoke 24 are fixed with end cap 45 simultaneously; can avoid bearing axially deviating from along transmission shaft 42; stretch out after two end caps 45 at the two ends of transmission shaft 42, and each external part is fixed with a whistle rotating disk 44, further improves the reliability of warning.
Certainly, here be how to drive telltale 40 to warn terrestrial operation personnel using whistle rotating disk 44 as example to describe the first pulley 21 in detail, but do not mean that telltale 40 only limits to whistle rotating disk 44, also can substitute whistle rotating disk 44 with other devices, the linear motion device that for example can be driven by the first pulley 21, the air flow inlet and the air stream outlet that are connected are set on this linear motion device, in motion process, can send equally birdie and warn.
The principle of work of the present embodiment is:
When winch work, lifting hook pulley assembly is up-and-down movement with the folding and unfolding of steel rope 10, in this process, the first pulley 21 rotates under the drive of steel rope 10, and then drive and its gears in mesh 41, form an acceleration mechanism, gear 41 drives transmission shaft 42 and whistle rotating disk 44 to rotate, because the number of teeth of gear 41 is much smaller than the number of teeth of the serrated wheel structure 211 of the first pulley 21, in the time that the first pulley 21 rotates one week, gear 41 can rotate several weeks, be generally 6 to 10 weeks, make whistle rotating disk 44 High Rotation Speeds send whistle, play warning function, avoid ground staff by lifting hook pulley assembly and hang the weight carrying and encounter and safety misadventure occurs.
The utility model also provides a kind of hoisting crane, comprises lifting hook pulley assembly, and this lifting hook pulley assembly is aforesaid lifting hook pulley assembly.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
1, simple in structure, be easy to assembling;
2, just on original lifting hook pulley assembly, increase a small amount of parts and form telltale, cost promotes less, and cost performance is higher;
3, without power supply and other electric wires, only utilize the rotation of pulley in the time of operation can drive telltale to report to the police, warning effect is reliable in time;
4, telltale is arranged in pulley assembly, can move with the motion of pulley assembly, guarantees that ground staff can hear alarm sound.
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 modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a lifting hook pulley assembly, comprising:
Pulley assembly (20), described pulley assembly (20) has the first pulley (21); And
Suspension hook (30), described suspension hook (30) is arranged on described pulley assembly (20);
It is characterized in that, described lifting hook pulley assembly also comprises telltale (40);
Described the first pulley (21) is connected with described telltale (40), drives described telltale (40) to give the alarm.
2. lifting hook pulley assembly according to claim 1, it is characterized in that, described pulley assembly (20) also comprises steel rope (10), described steel rope (10) is set around on described the first pulley (21), when described lifting hook pulley assembly action, described steel rope (10) drives described the first pulley (21) to rotate, and described the first pulley (21) drives described telltale (40) to give the alarm.
3. lifting hook pulley assembly according to claim 1 and 2, is characterized in that, described telltale (40) comprising:
Whistle rotating disk (44); And
Drive mechanism, described drive mechanism is connected between described the first pulley (21) and described whistle rotating disk (44).
4. lifting hook pulley assembly according to claim 3, is characterized in that,
Described the first pulley (21) has the serrated wheel structure (211) of circumferentially extending along it;
Described drive mechanism comprises gear (41) and transmission shaft (42);
Described whistle rotating disk (44) is fixed on described transmission shaft (42), described transmission shaft (42) is located on described pulley assembly (20), it is upper that described gear (41) is set in described transmission shaft (42) regularly, and described gear (41) is meshed with the described serrated wheel structure (211) of described the first pulley (21).
5. lifting hook pulley assembly according to claim 4, is characterized in that, described the first pulley (21) has grooving (212), and the outer peripheral face that forms a sidewall in two sidewalls of described grooving (212) has described serrated wheel structure (211).
6. lifting hook pulley assembly according to claim 4, is characterized in that, described gear (41) is fixedly connected with by flat key (43) with described transmission shaft (42).
7. lifting hook pulley assembly according to claim 4, is characterized in that, described whistle rotating disk (44) comprising:
Base (441), described base (441) is fixed on described transmission shaft (42); And
Main body (442), it is upper that described main body (442) is fixed on described base (441), and described main body (442) is sent birdie in rotation process.
8. lifting hook pulley assembly according to claim 7, it is characterized in that, the periphery wall of described main body (442) has air flow inlet and the air stream outlet that interval arranges and is communicated with, described whistle rotating disk (44) is under rotary state, and air-flow flows to described air stream outlet and forms birdie after entering described air flow inlet.
9. lifting hook pulley assembly according to claim 3, is characterized in that, described whistle rotating disk (44) has two, lays respectively at the relative both sides of described pulley assembly (20).
10. a hoisting crane, comprises lifting hook pulley assembly, it is characterized in that, described lifting hook pulley assembly is the lifting hook pulley assembly described in any one in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420001579.9U CN203638995U (en) | 2014-01-02 | 2014-01-02 | Hook and pulley assembly and crane comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420001579.9U CN203638995U (en) | 2014-01-02 | 2014-01-02 | Hook and pulley assembly and crane comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203638995U true CN203638995U (en) | 2014-06-11 |
Family
ID=50870258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420001579.9U Expired - Lifetime CN203638995U (en) | 2014-01-02 | 2014-01-02 | Hook and pulley assembly and crane comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203638995U (en) |
-
2014
- 2014-01-02 CN CN201420001579.9U patent/CN203638995U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205187682U (en) | Anticollision tower machine | |
| CN108383008A (en) | Tower crane setting-up control method and system | |
| KR100828002B1 (en) | Hoist having control device and control method | |
| CN205419630U (en) | Safe hoist engine of integration | |
| CN210236923U (en) | Be used for spacing and anticollision monitored control system of tower machine | |
| CN203638995U (en) | Hook and pulley assembly and crane comprising same | |
| CN203079604U (en) | System capable of preventing tower cranes from impacting | |
| CN102180410A (en) | Safety protection device for hoisting equipment in improper working range | |
| CN104627867A (en) | Tower crane security monitoring mechanism | |
| CN102942136A (en) | Crane winch | |
| CN207477819U (en) | A kind of catching device that alarm the tinkle of bells can be sent out in emergency action | |
| CN205397921U (en) | Line of taking alarm device hangs | |
| CN202911144U (en) | Control device of upward-rotation device of film blowing machine | |
| CN206887809U (en) | A kind of security alarm cone bucket and security alerting system | |
| CN202967977U (en) | Winch for crane | |
| CN206051483U (en) | A kind of adhesion type saddle lifting highrise operation platform catching device | |
| CN206288841U (en) | Vehicle bridge master subtracts the frock of assembling | |
| CN202279651U (en) | Tower crane inclination warner | |
| CN205222508U (en) | Collect that panorama is visual, prevention and control function in intelligent hoist integrated device of an organic whole | |
| CN205151559U (en) | Quick -witted direction of door and displacement's monitoring devices | |
| CN211578048U (en) | Bridgehead following type traffic safety reminding device | |
| CN106276608A (en) | A kind of safe derrick crane | |
| CN202337665U (en) | Over-release protection device for automobile crane during hoisting | |
| CN203886279U (en) | Safety protection device for rotary filter screen | |
| CN202542756U (en) | Safety monitoring device of tower crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |
|
| CX01 | Expiry of patent term |