CN209988995U - Crane hoister for maintaining wind driven generator - Google Patents
Crane hoister for maintaining wind driven generator Download PDFInfo
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- CN209988995U CN209988995U CN201920792770.2U CN201920792770U CN209988995U CN 209988995 U CN209988995 U CN 209988995U CN 201920792770 U CN201920792770 U CN 201920792770U CN 209988995 U CN209988995 U CN 209988995U
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Abstract
The utility model discloses a crane hoist for maintaining a wind driven generator, which comprises a speed reducing motor, a winding drum, a first transmission case, a second transmission case, a reciprocating rope arranging mechanism and a rope pressing mechanism, wherein the winding drum is a broken line winding drum, the reciprocating rope arranging mechanism comprises a reciprocating lead screw and a rope arranging slider, the reciprocating lead screw is arranged below the broken line winding drum in parallel and is in transmission connection with the broken line winding drum through the second transmission case, two guide rollers are symmetrically arranged and are in transmission connection with the rope arranging slider; the rope pressing mechanism comprises a supporting rod, a rope pressing roller and a stretching elastic element, the supporting rod is fixedly connected between the first transmission case and the second transmission case, the rope pressing roller is rotatably connected to the supporting rod and movably compresses a steel wire rope wound on the broken line winding drum, and the stretching elastic element can apply bias force towards the broken line winding drum to the rope pressing roller. The utility model discloses can neatly convolute multilayer wire rope, satisfy the requirement of hoisting height to when convoluteing or emitting wire rope, indiscriminate rope phenomenon can not appear.
Description
Technical Field
The utility model relates to a jack-up technical field especially relates to a crane hoist is used in aerogenerator maintenance.
Background
With the gradual depletion of traditional energy, new energy industry is rapidly developed, wherein the green energy of wind power generation is rapidly developed. At present, the Chinese accumulated wind power installed capacity reaches one third of the global installed capacity, and stably lives in the top position of the global wind power accumulated installed capacity. With the arrival of later-period wind power maintenance cycle, wind power equipment maintenance has aroused the high attention of the whole wind power industry. At present, wind power generation equipment is generally maintained by a professional crane for maintaining a wind power generator, and the wind power generators are all high (100-.
For winding long steel wire ropes on reels, the following problems are currently encountered: 1. the common winding drum can only wind one layer of steel wire rope generally, if a longer steel wire rope needs to be wound, the diameter of the winding drum needs to be enlarged or the length of the winding drum needs to be increased, but the method can cause the appearance size of the winding drum to be enlarged, the raw material cost and the processing cost are also increased, if one layer of steel wire rope is wound on the common winding drum, a second layer is wound in the opposite direction, the winding directions of two adjacent layers of steel wire ropes are opposite, the two layers of steel wire ropes are overlapped in a crossed mode, and the; 2. when the long steel wire rope carries out the multilayer winding on the reel, at the coiling in-process, the wire rope is arranged untidy easily, and the rope disorderly phenomenon appears, not only can aggravate wire rope's wearing and tearing, reduces wire rope's life, and the heavy object lifts by crane unstably, probably causes wire rope to jump out the reel when serious and waits the accident, has the potential safety hazard.
Disclosure of Invention
The utility model discloses a solve the weak point among the prior art, provide a hoist lifting machine is used in aerogenerator maintenance, can neatly convolute multilayer wire rope, satisfy the requirement of lifting height to when coiling or emitting wire rope, rope disorder phenomenon can not appear, and reduce wire rope's wearing and tearing, prolong wire rope's life, reduce the potential safety hazard.
The utility model adopts the technical scheme that the hoisting machine for maintaining the wind driven generator comprises a speed reducing motor and a winding drum driven by the speed reducing motor, wherein a steel wire rope is wound on the winding drum, the hoisting machine also comprises a first transmission case, a second transmission case, a reciprocating rope arranging mechanism and a rope pressing mechanism, the winding drum is a broken line winding drum, the reciprocating rope arranging mechanism and the rope pressing mechanism are all arranged between the first transmission case and the second transmission case, and the speed reducing motor is in transmission connection with the broken line winding drum through the first transmission case;
the reciprocating rope arranging mechanism comprises a reciprocating lead screw and a rope arranging slide block, the reciprocating lead screw is arranged below the broken line winding drum in parallel and is in transmission connection with the broken line winding drum through a second transmission box, the rope arranging slide block is provided with two guide rollers and a threaded hole, the two guide rollers are symmetrically arranged and are in transmission connection with the rope arranging slide block, a gap for a steel wire rope to pass through is formed between the two guide rollers, and a nut matched with the reciprocating lead screw is arranged in the threaded hole;
pressing rope mechanism includes the bracing piece, press rope roller and tensile type elastic element, the bracing piece sets up with pressing the rope roller and being on a parallel with the broken line reel respectively, bracing piece fixed connection is between first transmission case and second transmission case, press the rope roller to rotate to connect on the bracing piece and movably compress tightly in the wire rope of winding on the broken line reel, tensile type elastic element can apply the biasing force towards the broken line reel to pressing the rope roller so that press the rope roller along with the reduction of the wire rope number of piles on the broken line reel and move towards the broken line reel.
Preferably, reciprocal rope guiding mechanism still includes the guide bar, and guide bar fixed connection is between first transmission case and second transmission case and be on a parallel with reciprocal lead screw setting, has seted up the guiding hole on arranging the rope slider, arranges the rope slider and passes through guiding hole and guide bar sliding connection.
Preferably, a sleeve is mounted in the guide hole.
Preferably, one end of the stretching elastic element is fixedly connected to the first transmission box or the second transmission box through a first connecting piece, and the other end of the stretching elastic element is connected with the rope pressing roller through a second connecting piece.
Preferably, the rope pressing roller comprises a round rod, two ends of the round rod are respectively provided with a sleeve through a first fixing rod fixedly connected with, the sleeve is sleeved on the supporting rod, a second fixing rod is fixedly connected onto the sleeve, and the second fixing rod is fixedly installed on the second connecting piece.
Preferably, the stretching-type elastic element, the first connecting piece and the second connecting piece are respectively and symmetrically arranged in two.
Preferably, a first driving sprocket and a first driven sprocket are mounted in the first transmission box, the first driving sprocket is in transmission connection with an output shaft of the speed reducing motor, the first driving sprocket and the first driven sprocket are in transmission connection through a chain, and the first driven sprocket is in transmission connection with a rotating shaft fixed in the center of the broken line winding drum; and a second driving chain wheel and a second driven chain wheel are arranged in the second transmission box, the second driving chain wheel is in transmission connection with a rotating shaft fixed at the center of the broken line winding drum, the second driving chain wheel is in transmission connection with the second driven chain wheel through a chain, and the second driven chain wheel is in transmission connection with a reciprocating lead screw.
Preferably, the top of the first transmission case and the second transmission case is fixedly connected with a mounting plate, and wheels are mounted on the mounting plate.
Adopt above-mentioned technical scheme, the utility model has the advantages of it is following:
the utility model discloses an adopt the broken line reel, can realize that wire rope relapses the heap and convolutes on same section grooving, can convolute than the long many wire rope of ordinary reel on a relatively less broken line reel of volume, the lifting height has obtained very big improvement, satisfy wind generating set's maintenance, other high altitude construction such as maintenance completely, simultaneously, use the broken line reel, can make adjacent two-layer wire rope avoid alternately overlapping the phenomenon, reducing wear, extension wire rope's life practices thrift the cost.
The utility model discloses a combination of reciprocal rope guiding mechanism and rope pressing mechanism is used, can prevent the rope disorder when coiling wire rope or paying out wire rope, wherein, reciprocal rope guiding mechanism carries out uninterruptedly direction to wire rope through the rope guiding slider that can follow reciprocal lead screw reciprocating motion, greatly avoided the dislocation of wire rope, when the rope guiding slider reciprocating motion, reciprocal lead screw can not change the direction of rotation, greatly alleviated motor pressure, the guide bar that wherein sets up can assist the rope guiding slider along reciprocal lead screw axial reciprocating motion, the sleeve of installation in the guide hole still can reduce the wearing and tearing between rope guiding block and the guide bar; the rope pressing mechanism provides a biasing force to the rope pressing roller towards the broken line winding drum through the stretching elastic element, so that the rope pressing roller can always press the steel wire rope along with the reduction of the number of the steel wire rope layers on the broken line winding drum,
to sum up, the utility model discloses synthesize the broken line reel, reciprocal rope guiding mechanism and press the advantage of rope mechanism, can neatly convolute multilayer wire rope on the broken line reel to when coiling or emit wire rope, through the incessant direction of reciprocal rope guiding mechanism and the constantly sticis wire rope of pressing the rope mechanism, ensure wire rope and can not appear indiscriminate rope phenomenon, and reduce wire rope's wearing and tearing, prolong wire rope's life, reduce the potential safety hazard.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic view of a partial structure of the reciprocating rope guiding mechanism of the present invention;
fig. 4 is a partial structural schematic diagram of the medium-pressure rope mechanism of the present invention;
fig. 5 is a schematic view of the transmission connection of the present invention.
Detailed Description
As shown in fig. 1 to 5, the utility model discloses a hoist lifting machine is used in aerogenerator maintenance, including gear motor 1 and by gear motor 1 driven reel, it has wire rope to coil on the reel, still includes first transmission case 2, second transmission case 3, reciprocal rope winding mechanism and pressure rope mechanism 5, the reel is broken line reel 6, and broken line reel 6, reciprocal rope winding mechanism and pressure rope mechanism 5 all set up between first transmission case 2 and second transmission case 3, and gear motor 1 is connected with the transmission of broken line reel 6 through first transmission case 2.
The top fixedly connected with mounting panel 7 of first transmission case 2 and second transmission case 3 installs wheel 8 on the mounting panel 7. The utility model discloses accessible wheel 8 is along hanging beam or crossbeam walking.
The broken line reel 6 comprises a reel body, wherein two ends of the reel body are fixedly connected with baffles, a broken line rope groove is formed in the surface of the reel body between the two baffles, the broken line rope groove of each circumference comprises a first straight line groove section, a first broken line groove section, a second straight line groove section and a second broken line groove section which are sequentially connected, a steel wire rope winds the reel body for a circle, a pitch of axial movement is completed through the two broken line groove sections, and the structure is the prior art and is not shown in the drawing.
Reciprocating rope arranging mechanism includes reciprocal lead screw 41 and arranges rope slider 42, and reciprocal lead screw 41 parallel arrangement is connected with broken line reel 6 transmission through second transmission case 3 in broken line reel 6 below, is equipped with two thread grooves that the pitch is the same, revolve to opposite on the reciprocal lead screw 41, and its both ends are connected with transition curve, can be under the prerequisite that does not change reciprocal lead screw 41 rotation direction for arrange rope slider 42 and make reciprocating motion along reciprocal lead screw 41.
Be provided with guide roll 43 and screw hole on the row rope slider 42, guide roll 43 symmetry is equipped with two and rotate to connect on row rope slider 42, and guide roll 43 can reduce its wearing and tearing under the prerequisite for wire rope direction, is equipped with the clearance that is used for wire rope to pass between two guide roll 43, installs the nut with reciprocal lead screw 41 matched with in the screw hole.
The reciprocating rope arranging mechanism further comprises a guide rod 44, the guide rod 44 is fixedly connected between the first transmission box 2 and the second transmission box 3 and arranged in parallel to the reciprocating lead screw 41, a guide hole is formed in the rope arranging sliding block 42, and the rope arranging sliding block 42 is connected with the guide rod 44 in a sliding mode through the guide hole. The guide rod 44 can assist the rope arranging slide block 42 to axially reciprocate along the reciprocating screw rod 41, and a sleeve is arranged in the guide hole and can reduce the abrasion between the rope arranging block and the guide rod 44.
One end of the stretching elastic element 53 is fixedly connected to the first transmission case 2 or the second transmission case 3 through a first connecting piece 54, and the other end of the stretching elastic element 53 is connected with the rope pressing roller through a second connecting piece 55.
The rope pressing roller comprises a round rod 521, two ends of the round rod 521 are respectively fixedly connected with a sleeve 523 through a first fixing rod 522, the sleeve 523 is sleeved on the supporting rod 51, a second fixing rod 524 is fixedly connected to the sleeve 523, the second fixing rod 524 is fixedly installed on a second connecting piece 55, the first connecting piece 54 and the second connecting piece 55 can both adopt bolts, the stretching elastic element 53 can adopt a stretching spring, the first connecting piece 54 is fixed on the wall of the first transmission case 2 or the second transmission case 3, and the second connecting piece 55 is fixed on the second fixing rod 524 and rotates along with the rotation of the rope pressing roller.
The stretching type elastic member 53, the first connecting member 54 and the second connecting member 55 are symmetrically provided in two. In this way, the biasing force provided by the tension-type elastic element 53 to the pinch roller towards the fold line reel 6 is balanced.
In this embodiment, tensile type elastic element 53 adopts extension spring, because extension spring applys the biasing force towards broken line reel 6 to pressing the rope roller, along with the reduction of the wire rope number of piles on broken line reel 6, extension spring resumes deformation gradually, drive pressing the rope roller through second connecting piece 55 and remove towards broken line reel 6, with compress tightly wire rope all the time, at this in-process, first connecting piece 54 is fixed motionless as the strong point of extension spring deformation, second connecting piece 55 rotates around the back shaft along with pressing the rope roller under extension spring's effect, first connecting piece 54 and second connecting piece 55's simple structure, it provides the biasing force to pressing the rope roller to have made things convenient for extension spring.
As one embodiment of the present invention, a first driving sprocket 21 and a first driven sprocket 22 are installed in the first transmission case 2, the first driving sprocket 21 is in transmission connection with an output shaft of the reduction motor 1, the first driving sprocket 21 and the first driven sprocket 22 are in transmission connection through a chain, and the first driven sprocket 22 is in transmission connection with a rotating shaft fixed at the center of the folding line winding drum 6; a second driving sprocket 31 and a second driven sprocket are installed in the second transmission case 3, the second driving sprocket 31 is in transmission connection with a rotating shaft fixed at the center of the fold line winding drum 6, the second driving sprocket 31 is in transmission connection with the second driven sprocket through a chain, the second driven sprocket is in transmission connection with the reciprocating lead screw 41, and the second driven sprocket is located below the second driving sprocket 31 and is not shown in the figure.
In practical application, the utility model discloses a lifting height can reach 180m at least, satisfies other high altitude construction such as wind generating set's maintenance, maintenance completely.
During the use, start gear motor 1, drive broken line reel 6 through first transmission case 2 and rotate, wire rope can follow the broken line grooving on the broken line reel 6 and carry out the multilayer and convolute, and the wire rope after convoluteing is arranged neatly. When the wire rope is wound or paid out, the reciprocating lead screw 41 is driven to rotate through the second transmission case 3 along with the rotation of the broken line winding drum 6, when the reciprocating lead screw 41 rotates, the rope arranging slide block 42 can reciprocate along the reciprocating lead screw 41, and the guide roller 43 on the rope arranging slide block 42 can guide the wire rope, so that the rope disorder phenomenon is prevented; when the number of layers of the wire rope on the broken line reel 6 is gradually reduced, the rope pressing roller can always move towards the broken line reel 6 and press the wire rope wound on the broken line reel 6 under the action of the stretching elastic element 53, and the rope disorder phenomenon is further prevented.
The above embodiments are not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification of the above embodiments.
Claims (8)
1. The utility model provides a hoist lifting machine is used in aerogenerator maintenance, includes gear motor and the reel by gear motor drive, it has wire rope, its characterized in that to coil on the reel: the rope winding device is characterized by further comprising a first transmission case, a second transmission case, a reciprocating rope arranging mechanism and a rope pressing mechanism, wherein the winding drum is a broken line winding drum, the reciprocating rope arranging mechanism and the rope pressing mechanism are all arranged between the first transmission case and the second transmission case, and the speed reducing motor is in transmission connection with the broken line winding drum through the first transmission case;
the reciprocating rope arranging mechanism comprises a reciprocating lead screw and a rope arranging slide block, the reciprocating lead screw is arranged below the broken line winding drum in parallel and is in transmission connection with the broken line winding drum through a second transmission box, the rope arranging slide block is provided with two guide rollers and a threaded hole, the two guide rollers are symmetrically arranged and are in transmission connection with the rope arranging slide block, a gap for a steel wire rope to pass through is formed between the two guide rollers, and a nut matched with the reciprocating lead screw is arranged in the threaded hole;
pressing rope mechanism includes the bracing piece, press rope roller and tensile type elastic element, the bracing piece sets up with pressing the rope roller and being on a parallel with the broken line reel respectively, bracing piece fixed connection is between first transmission case and second transmission case, press the rope roller to rotate to connect on the bracing piece and movably compress tightly in the wire rope of winding on the broken line reel, tensile type elastic element can apply the biasing force towards the broken line reel to pressing the rope roller so that press the rope roller along with the reduction of the wire rope number of piles on the broken line reel and move towards the broken line reel.
2. The wind turbine service crane hoist of claim 1, characterized in that: the reciprocating rope arranging mechanism further comprises a guide rod, the guide rod is fixedly connected between the first transmission box and the second transmission box and is parallel to the reciprocating lead screw, a guide hole is formed in the rope arranging sliding block, and the rope arranging sliding block is connected with the guide rod in a sliding mode through the guide hole.
3. The wind turbine service crane hoist of claim 2, characterized in that: the guide hole is internally provided with a sleeve.
4. The wind turbine service crane hoist of claim 1, characterized in that: one end of the stretching elastic element is fixedly connected to the first transmission box or the second transmission box through the first connecting piece, and the other end of the stretching elastic element is connected with the rope pressing roller through the second connecting piece.
5. The wind turbine service crane hoist of claim 4, characterized in that: the rope pressing roller comprises a round rod, two ends of the round rod are respectively provided with a sleeve through a first fixing rod fixedly connected with, the sleeve is sleeved on the supporting rod, a second fixing rod is fixedly connected onto the sleeve, and the second fixing rod is fixedly installed on the second connecting piece.
6. The wind turbine service crane hoist of claim 5, characterized in that: the stretching elastic element, the first connecting piece and the second connecting piece are symmetrically arranged in two.
7. The wind turbine service crane hoist of claim 1, characterized in that: a first driving chain wheel and a first driven chain wheel are arranged in the first transmission box, the first driving chain wheel is in transmission connection with an output shaft of the speed reducing motor, the first driving chain wheel is in transmission connection with the first driven chain wheel through a chain, and the first driven chain wheel is in transmission connection with a rotating shaft fixed in the center of the broken line winding drum; and a second driving chain wheel and a second driven chain wheel are arranged in the second transmission box, the second driving chain wheel is in transmission connection with a rotating shaft fixed at the center of the broken line winding drum, the second driving chain wheel is in transmission connection with the second driven chain wheel through a chain, and the second driven chain wheel is in transmission connection with a reciprocating lead screw.
8. Wind turbine service crane hoist according to any of claims 1 to 7, characterized in that: the top fixedly connected with mounting panel of first transmission case and second transmission case installs the wheel on the mounting panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920792770.2U CN209988995U (en) | 2019-05-29 | 2019-05-29 | Crane hoister for maintaining wind driven generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920792770.2U CN209988995U (en) | 2019-05-29 | 2019-05-29 | Crane hoister for maintaining wind driven generator |
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| CN209988995U true CN209988995U (en) | 2020-01-24 |
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| CN201920792770.2U Active CN209988995U (en) | 2019-05-29 | 2019-05-29 | Crane hoister for maintaining wind driven generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065898A (en) * | 2019-05-29 | 2019-07-30 | 河南锐思特科技有限公司 | A kind of wind-driven generator maintenance crane lifting machine |
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2019
- 2019-05-29 CN CN201920792770.2U patent/CN209988995U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065898A (en) * | 2019-05-29 | 2019-07-30 | 河南锐思特科技有限公司 | A kind of wind-driven generator maintenance crane lifting machine |
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