CN202054558U - Hoisting mechanism and hoisting equipment comprising the hoisting mechanism - Google Patents
Hoisting mechanism and hoisting equipment comprising the hoisting mechanism Download PDFInfo
- Publication number
- CN202054558U CN202054558U CN201120093912XU CN201120093912U CN202054558U CN 202054558 U CN202054558 U CN 202054558U CN 201120093912X U CN201120093912X U CN 201120093912XU CN 201120093912 U CN201120093912 U CN 201120093912U CN 202054558 U CN202054558 U CN 202054558U
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- lifting mechanism
- double crosslinking
- drum
- coupler
- mechanism according
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Abstract
The utility model provides a hoisting mechanism and a hoisting equipment comprising the hoisting mechanism. The hoisting mechanism comprises: a base (10); two bracing frames (11) fixedly connected on the base (10); a speed reducer (13) with a first coupling (14) connected in the horizontal direction and a second coupling (15) connected in the vertical direction; a base cylinder (17) connected on the speed reducer (13); a driving device disposed on the base cylinder (17) with the output shaft connected with the second coupling (15); and a twin reel (12) with both end connected with the first coupling (14). The mechanism also comprises two deflection preventing apparatuses (20) respectively disposed on the bracing frames (11) on both sides and are abutted on both end faces of the twin reel (12). The hoisting mechanism can effectively prevent the twin reel from deflecting or moving in a working process, thereby ensures that the twin reel works normally, and improves the stability and reliability.
Description
Technical field
The utility model relates to the elevator machinery field, in particular to a kind of lifting mechanism and comprise the weight-lifting equipment of this lifting mechanism.
Background technology
Lifting mechanism is a mechanism most important, the most basic in the elevator machinery, and its effect is to promote or the decline goods.Lifting mechanism mainly is made up of load-engaging device, wire rope roll system for winding, brake equipment, reduction gear apparatus, actuating device etc. usually.
For lifting mechanism with double crosslinking drum, have the coupler of transmitting torque at least one end of double crosslinking drum, so that can give double crosslinking drum with the transmission of torque of motor well, roll rope thereby drive double crosslinking drum, realize slinging or descending of object.Generally speaking, usually select the attaching parts of drum-shaped tooth type shaft coupling for use as transmitting torque, because drum-shaped tooth type shaft coupling can bear radial weight again by transmitting torque, working stability is reliable, can bear very big radial weight and transmit bigger torque, overload capacity is big, but drum-shaped tooth type shaft coupling can not bear axial load.
In the process of lifting mechanism work, because double crosslinking drum bears very big radial weight and certain axial load, in use, tend to take place deflection, end float misalignment perhaps taking place, influence the stability of double crosslinking drum, also influences the reliability of lifting mechanism.When selecting drum-shaped tooth type shaft coupling for use, under the influence of axial load, tend to cause the wearing and tearing of the tooth of coupler, reduce the service life of drum-shaped tooth type shaft coupling.And select the coupler of other form for use, though can bear axial load to a certain extent, but in long-term working process, because the deflection of double crosslinking drum and the influence that end float misalignment is brought, also can have influence on the life-span of these coupler to a great extent, accelerate its rate of wear, reduce the stability and the reliability of whole lifting mechanism.
The utility model content
The utility model aims to provide a kind of lifting mechanism and comprises the weight-lifting equipment of this lifting mechanism, in when work deflection or end float misalignment takes place to prevent double crosslinking drum, guarantees that double crosslinking drum can normal operation, improves the stability and the reliability of lifting mechanism.
To achieve these goals,, provide a kind of lifting mechanism, having comprised: base according to an aspect of the present utility model; Bracing frame is fixedly connected on the base, has supporting construction; Reductor is arranged on the bracing frame, is connected with first coupler in the horizontal direction of reductor, is connected with second coupler on the vertical direction of reductor; The seat tube is connected on the shell of reductor, and is set in outside second coupler; Actuating device fixedly install on the present tube, and output shaft is connected to second coupler; Double crosslinking drum, an end is connected to first coupler, and the other end can be rotatably set on the bracing frame, also comprises: end deflection device, be arranged on the bracing frame, and the end face of butt double crosslinking drum.
Further, end deflection device and have adjustable extension elongation.
Further, ending deflection device comprises: adapter plate is arranged on the bracing frame; Stretch out plate, stretching out plate has two, and is arranged on the adapter plate in parallel to each other; Fitting is arranged on two and stretches out between the plate, and the end face of butt double crosslinking drum.
Further, fitting is a roller, and roller is arranged on and is arranged in two rotating shafts of stretching out on the plate, and can rotate around the axis.
Further, rotating shaft is that an end has stop configurations, and the other end is provided with the bearing pin of stop pin, also is provided with the lock bolt of alignment pin on stop configurations.
Further, adapter plate is provided with the slip elongated slot, and is arranged on the bracing frame by bolt.
Further, end deflection device and comprise: adapter plate, be arranged on the bracing frame, on adapter plate, be set with nut; Extension bar, external part are connected on the end face of double crosslinking drum, and installation end has outside thread, and are arranged in the nut.
Further, lifting mechanism also comprises two external contractings drum brake, and two the corresponding double crosslinking drum of external contracting drum brake middle parts are provided with.
Further, actuating device is the frequency control motor that two covers have coder and high-speed brake, drives double crosslinking drum respectively from the left and right sides.
Further, the overhanging axle head at a side reductor also is connected with the limit switch device.
According on the other hand of the present utility model, a kind of weight-lifting equipment is provided, comprise above-mentioned lifting mechanism.
According to the technical solution of the utility model, end deflection device and can prevent effectively that double crosslinking drum from when work deflection or end float misalignment taking place, and guarantee that double crosslinking drum can normally twine two steel rope work; End deflection device and have adjustable extension elongation, can select extension elongation, have applicability preferably according to the mode of operation of reel.End deflection device and have roller, can reduce the frictional loss that ends between deflection device and the reel, prolong the service life of ending deflection device.Lifting mechanism comprises two frequency control motors, have high-speed brake and coder, can guarantee frequency control motor driven in synchronism double crosslinking drum, lifting capacity is big, when a motor et out of order, double crosslinking drum still can be worked on by the opposite side motor-driven, and structure is more reasonable, and is also more safe and reliable.
Description of drawings
The accompanying drawing that constitutes a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, does not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation according to the lifting mechanism of first embodiment of the present utility model;
Fig. 2 shows the structure for amplifying scheme drawing according to the K place of Fig. 1;
Fig. 3 shows the structural representation that ends deflection device according to the lifting mechanism of first embodiment of the present utility model; And
Fig. 4 shows the structural representation that ends deflection device according to the lifting mechanism of second embodiment of the present utility model.
The specific embodiment
Hereinafter will describe the utility model with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
As shown in Figure 1, according to first embodiment of the present utility model, lifting mechanism comprises base 10, base 10 is fixedly installed on the horizontal operation face, base 10 is provided with two bracing frames 11, bracing frame 11 is arranged on the outside, two ends of double crosslinking drum 12 according to the structure of lifting mechanism, has supporting construction on it.Reductor 13 is fixedly installed on the bracing frame 11 of double crosslinking drum 12 both sides, on the horizontal direction of reductor 13, be connected with first coupler 14, the mouth of first coupler 14 is connected to double crosslinking drum 12 1 ends, and plays and support double crosslinking drum 12 and to the effect of double crosslinking drum 12 transfer torques.Double crosslinking drum 12 two ends are all passed through first coupler 14 and are connected with reductor 13.Double crosslinking drum 12 be horizontally disposed with and can the winding reel central axis rotation, thereby tightly wrap or loosen hang spring on the reel, make the lifting mechanism handling thing of slinging or lower.
The other end that is connected with second coupler, 15, the second coupler 15 on the vertical direction of reductor 13 is connected to actuating device, and the output shaft of actuating device is connected on second coupler 15.Outer race at second coupler 15 is provided with seat tube 17, and this tube 17 is arranged between reductor 13 and the actuating device, and an end is fixedly connected on the shell of reductor 13, and the other end is fixedly connected on the actuating device, and supports this actuating device.Preferably, actuating device is a frequency control motor 16, rotates by second coupler, 15 drive speed reducer 13, rotates thereby drive double crosslinking drum 12.
In the present embodiment, first coupler 14 is a drum-shaped tooth type shaft coupling, and reductor 13 output ground moments of torsion are passed to double crosslinking drum 12.The drum-shaped tooth type shaft coupling working stability is reliable, can bear very big radial weight and transmit bigger torque, and overload capacity is big, and can adjust bigger installation error between double crosslinking drum 12 and the deceleration arbor.But drum-shaped tooth type shaft coupling is merely able to bear bigger radial weight and transmits bigger torque, can not bear axial force, therefore, in the working process of lifting mechanism, deflection or end float misalignment can take place in double crosslinking drum 12, not only can influence the work of lifting mechanism, and increase the wearing and tearing of drum-shaped tooth type shaft coupling.In conjunction with referring to Fig. 2, in order to overcome this problem, on bracing frame 11, also be provided with only deflection device 20, should end deflection device 20 is connected on the end face of double crosslinking drum 12, make double crosslinking drum 12 can bear certain axial force, when work, deflection or end float misalignment take place owing to lack axial location thereby can prevent double crosslinking drum, and can offset axial force, guarantee that double crosslinking drum 20 can normally twine two steel rope work, improve the working stability and the reliability of lifting mechanism.
Preferably, end deflection device 20 and have adjustable extension elongation, the suitable extension elongation that deflection in the time of can working according to double crosslinking drum 12 or end float misalignment displacement size select to end deflection device 20 guarantees that double crosslinking drum 12 has stable serviceability, has better applicability.
As shown in Figure 3, in the present embodiment, end deflection device 20 and comprise adapter plate 26, adapter plate 26 is arranged on the bracing frame 11, have on it two be arranged in parallel stretch out plate 23, stretch out between the plate 23 at two and be provided with fitting, fitting is pressed on the end face of double crosslinking drum 12.Preferably, fitting is a roller 22.When only deflection device 20 is started working, because the deflection or the end float misalignment trend of double crosslinking drum 12, can make and end the axial force that deflection device 20 not only is subjected to double crosslinking drum 12, also to be subjected to deflection function power influence to a certain degree, the end face of double crosslinking drum 12 can have the slip effect because these application forces end deflection device 20 relatively, cause skimming wear to ending deflection device 20, and roller 22 can make this cliding friction become friction of rolling, thereby a large amount of the reduction ended the suffered friction force of deflection device, reduce friction loss, improve the service life of ending deflection device 20.Two are stretched out plate 23 and are provided with rotating shaft, and roller 22 is arranged in this rotating shaft, and can rotate around this rotating shaft.This rotating shaft can be provided with axle sleeve earlier, then the two ends of rotating shaft is welded on two respectively and stretches out on the plate 23, and roller 22 just is arranged on the axle sleeve.
In the present embodiment, rotating shaft is that an end has stop configurations, and the other end is provided with the bearing pin 24 of stop pin, also is provided with the lock bolt 25 that alignment pin prevents its rotation on stop configurations.Stop configurations and stop pin cooperate, make bearing pin 24 be arranged on two and stretch out between the plate 23, bearing pin 24 itself can rotate, thereby roller disposed thereon 22 also can rotate thereupon, also can make to prevent that bearing pin 24 from itself rotating, and roller 22 is rotated around bearing pin 24.Plate 23 arranged outside of stretching out in stop configurations one side have the pore structure that matches with lock bolt 25, after bearing pin 24 installs, by lock bolt 25 is screwed in the pore structure of stretching out on the plate 23, prevent the rotation of bearing pin 24, make the structure of ending deflection device 20 more stable.In addition, also can select the two ends of bearing pin 24 to be bolt, on bearing pin 24 axle sleeve is set, roller 22 is arranged on the axle sleeve, thereby rotates around bearing pin 24.
From Fig. 3, it can also be seen that, on adapter plate 26, also be provided with slip elongated slot 21, the direction of slip of this slip elongated slot 21 is the axial direction along double crosslinking drum 12, is provided with the adapter plate mounting hole in the relevant position of bracing frame 11, and adapter plate 26 is arranged on the bracing frame 11 by bolt.After only deflection device 20 is installed on the bracing frame 11, can adjust the position of adapter plate 26 on bracing frame 11 according to the actual deflection and the end float misalignment situation of double crosslinking drum 12, make double crosslinking drum 12 be in suitable position, and, increase the working stability of lifting mechanism to double crosslinking drum 12 formation axial location.Certainly, slip elongated slot 21 also can be arranged on the bracing frame 11, also can satisfy the requirement of present embodiment well.
As shown in Figure 4, according to second embodiment of the present utility model, basic identical with aforesaid first embodiment, its difference is that the deflection device 20 that ends of present embodiment comprises adapter plate 26, this adapter plate 26 is arranged on the bracing frame 11, be set with nut 28 on adapter plate 26, the installation end of extension bar 27 has external thread structure, and adapter plate 26 forms screw-nut body with extension bar 27, control the flexible of extension bar 27, the external part of extension bar 27 is pressed on the end face of double crosslinking drum 12.This structure can be passed through the rotation of the installation end screw thread of extension bar 27 and adjust the extension elongation of extension bar 27, thereby adjusts the supporting role that ends 20 pairs of double crosslinking drums 12 of deflection device, has good applicability.Be provided with tapped bore in the nut 28 on the adapter plate 26, and the installation end of extension bar 27 is provided with helicitic texture, preferably, screw-rod structure has auto-lock function, the phenomenon that the extension bar 27 that can effectively prevent from use to take place owing to the opposition that is subjected to double crosslinking drum 12 is refunded improves the reliability that ends deflection device 20 work.The abutment end of extension bar 27 can be selected suitable shape, and is for example spherical etc., with reduce and double crosslinking drum 12 between friction.
Referring to Fig. 1 as can be known, lifting mechanism comprises that also 30, two external contractings drum brake 30 of external contracting drum brake that two corresponding double crosslinking drum 12 medium positions are provided with are separately positioned on the reel, comprise drive part and brake portion, drive part provides power, brake portion braking double crosslinking drum 12.As can be seen from Figure 1, midway location part at double crosslinking drum 12, the outside all is wound with protruding brake collar, the projection brake collar is subjected to external contracting drum brake 30 controls, under the general state, protruding brake collar does not tightly wrap double crosslinking drum, when needs carry out glancing impact to double crosslinking drum 12, the protruding brake collar of control external contracting drum brake 30 tensions plays brake action by the rubbing effect of protruding brake collar to double crosslinking drum 12.Arranged outside at protruding brake collar has guard shield, can effectively protect protruding brake collar, prevents that rainwater and dust from causing adverse effect to protruding brake collar, improves the deceleration and stopping performance of external contracting drum brake 30.Preferably, two external contracting drum brake 30 coaxial settings.About two external contractings drum brake 30 are coaxial that reel is carried out two brakings, braking force is big, braking is reliable, safety is good.
Referring to shown in Figure 1, in the present embodiment, frequency control motor 16, second coupler 15, reductor 13 and first coupler 14 have two groups, are separately positioned on the both sides of double crosslinking drum 12.Two frequency control motors 16 all have high-speed brake and coder, by two coders frequency control motor 16 is controlled, can guarantee the driven in synchronism double crosslinking drum, when a motor et out of order, double crosslinking drum still can be worked on by the opposite side motor-driven, has guaranteed the reliability and stability of lifting mechanism work.High-speed brake on the frequency control motor 16 can remedy the slow deficiency of external contracting drum brake 30 retro-speeds, can make the braking of lifting mechanism reliable rapidly.Overhanging axle head at a side reductor 13 also is connected with limit switch device 40, be used for controlling lifting mechanism rising deceleration, rising terminal point, the rising limit, decline deceleration, Bottom Of Descent and falling-threshold etc., limit function when realization hoists, accuracy and safety when guaranteeing lifting mechanism work.
According to the embodiment of weight-lifting equipment of the present utility model, comprise above-mentioned lifting mechanism.
From above description, as can be seen, the utility model the above embodiments have realized following technique effect: according to the technical solution of the utility model, end deflection device and can prevent effectively that double crosslinking drum from when work deflection or end float misalignment taking place, and guarantee that double crosslinking drum can normally twine two steel rope work; End deflection device and have adjustable extension elongation, can select extension elongation, have applicability preferably according to the mode of operation of reel.End deflection device and have roller, can reduce the frictional loss that ends between deflection device and the reel, prolong the service life of ending deflection device.Lifting mechanism comprises two frequency control motors, have high-speed brake and coder, can guarantee frequency control motor driven in synchronism double crosslinking drum, lifting capacity is big, when a motor et out of order, double crosslinking drum still can be worked on by the opposite side motor-driven, and structure is more reasonable, and is also more safe and reliable.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (11)
1. lifting mechanism comprises:
Base (10);
Bracing frame (11) is fixedly connected on the described base (10), has supporting construction;
Reductor (13) is arranged on the support frame as described above (11), is connected with first coupler (14) in the horizontal direction of described reductor (13), is connected with second coupler (15) on the vertical direction of described reductor (13);
Seat tube (17) is connected on the shell of described reductor (13), and is set in outside described second coupler (15);
Actuating device be fixedly installed on the described seat tube (17), and output shaft is connected to described second coupler (15);
Double crosslinking drum (12), two ends all are connected to described first coupler (14),
It is characterized in that, also comprise:
Two are ended deflection device (20), be separately positioned on the support frame as described above (11) of both sides, and two end faces of the described double crosslinking drum of butt (12).
2. lifting mechanism according to claim 1 is characterized in that, the described deflection device (20) that ends has adjustable extension elongation.
3. lifting mechanism according to claim 2 is characterized in that, the described deflection device (20) that ends comprising:
Adapter plate (26) is arranged on the support frame as described above (11);
Stretch out plate (23), the described plate (23) that stretches out has two, and is arranged in parallel to each other on the described adapter plate (26);
Fitting is arranged on two described stretching out between the plate (23), and the end face of the described double crosslinking drum of butt (12).
4. lifting mechanism according to claim 3 is characterized in that, described fitting is roller (22), and described roller (22) is arranged on and is arranged in two described rotating shafts of stretching out on the plate (23), and can rotate around described rotating shaft.
5. lifting mechanism according to claim 4 is characterized in that, described rotating shaft is that an end has stop configurations, and the other end is provided with the bearing pin (24) of stop pin, also is provided with the lock bolt (25) of the described bearing pin in location (24) on described stop configurations.
6. lifting mechanism according to claim 5 is characterized in that, described adapter plate (26) is provided with slip elongated slot (21), and is arranged on the support frame as described above (11) by bolt.
7. lifting mechanism according to claim 2 is characterized in that, the described deflection device (20) that ends comprising:
Adapter plate (26) is arranged on the support frame as described above (11), is set with nut (28) on described adapter plate (26);
Extension bar (27), external part is connected on the end face of described double crosslinking drum (12), and installation end has outside thread, and is arranged in the described nut (28).
8. lifting mechanism according to claim 1 is characterized in that, also comprises two external contractings drum brake (30), and the corresponding described double crosslinking drums of two described external contractings drum brake (30) (12) middle part is provided with.
9. according to each described lifting mechanism in the claim 1 to 8, it is characterized in that described actuating device is the frequency control motor (16) that two covers have coder and high-speed brake, drives described double crosslinking drum (12) respectively from the left and right sides.
10. lifting mechanism according to claim 9 is characterized in that, also is connected with limit switch device (40) at the overhanging axle head of the described reductor of a side (13).
11. a weight-lifting equipment is characterized in that, comprises each described lifting mechanism in the claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120093912XU CN202054558U (en) | 2011-04-01 | 2011-04-01 | Hoisting mechanism and hoisting equipment comprising the hoisting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120093912XU CN202054558U (en) | 2011-04-01 | 2011-04-01 | Hoisting mechanism and hoisting equipment comprising the hoisting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202054558U true CN202054558U (en) | 2011-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120093912XU Expired - Fee Related CN202054558U (en) | 2011-04-01 | 2011-04-01 | Hoisting mechanism and hoisting equipment comprising the hoisting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202054558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107614419A (en) * | 2015-05-01 | 2018-01-19 | 株式会社开道 | Cable wire crane |
-
2011
- 2011-04-01 CN CN201120093912XU patent/CN202054558U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107614419A (en) * | 2015-05-01 | 2018-01-19 | 株式会社开道 | Cable wire crane |
| TWI657994B (en) * | 2015-05-01 | 2019-05-01 | 日商開道股份有限公司 | Wire rope crane |
| CN107614419B (en) * | 2015-05-01 | 2019-07-09 | 株式会社开道 | Cable wire crane |
| US10486948B2 (en) | 2015-05-01 | 2019-11-26 | Kito Corporation | Rope hoist |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SANY MARINE HEAVY INDUSTRIES CO., LTD. Free format text: FORMER OWNER: KM GROUP CO., LTD. Effective date: 20150605 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 410100 CHANGSHA, HUNAN PROVINCE TO: 519050 ZHUHAI, GUANGDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150605 Address after: 519050 Guangdong city of Zhuhai province Pingsha town Ping Road No. 336 East Building Room 310 Patentee after: 31 ocean heavy industry Co., Ltds Address before: 410100 31 industrial city, Changsha economic and Technological Development Zone, Hunan Patentee before: KM Group Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20160401 |