CN210751308U - Built-in driving double-rope-outlet type Weiya crane and multi-rope-outlet type Weiya crane - Google Patents
Built-in driving double-rope-outlet type Weiya crane and multi-rope-outlet type Weiya crane Download PDFInfo
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- CN210751308U CN210751308U CN201921391183.9U CN201921391183U CN210751308U CN 210751308 U CN210751308 U CN 210751308U CN 201921391183 U CN201921391183 U CN 201921391183U CN 210751308 U CN210751308 U CN 210751308U
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Abstract
The utility model discloses a built-in drive double-rope-outlet type Weiya crane, which comprises a winding drum, a drive device, a first steel wire rope and a second steel wire rope, wherein the first steel wire rope and the second steel wire rope are wound on the winding drum; an anti-deviation device for preventing the first steel wire rope and the second steel wire rope from deviating when the winding drum rotates is arranged outside the winding drum; wherein, prevent excursion device includes: the transmission assembly is connected with a power output shaft of the driving device; the lead screw component is connected with the transmission component; a pair of guide pulleys connected with the lead screw assembly; the other ends of the first steel wire rope and the second steel wire rope unwound from the winding drum extend outwards along the radial direction of the winding drum and pass by the corresponding guide pulley. The Weiya crane of the utility model has simple structure, small volume and small occupied space, and the two steel wire ropes can not laterally move and wind along with the rotation of the winding drum, thereby ensuring the high-speed and safe operation of the Weiya crane; in addition, the utility model discloses still provide a built-in drive goes out rope formula wei ya loop wheel machine more.
Description
Technical Field
The utility model relates to the field of machinary, especially, relate to a two play rope formula wei ya loop wheel machines of built-in drive and play rope formula wei ya loop wheel machine more.
Background
Along with the improvement of the culture level of people, the requirement on the artistic performance is higher and higher, the requirement on the performance is more novel, and the performance means is richer, so that a Weiya device is commonly used in the performance. The Weiya device comprises a steel wire rope for suspension and a winding drum for winding the steel wire rope, and a lifting appliance or a device or a person which is lifted at the tail end of the steel wire rope is driven by the lifting of the steel wire rope to complete a scheduled performance task.
In the prior art, a minimum of 2 wire ropes are usually required for the wire rope driven by the wire rope pressing device according to different driving schemes of the wire rope pressing device. In general, each wire rope is driven by 1 reel, and since the wiya device is usually carried by a wire rope, and one wire rope cannot carry multiple sets of wiya devices, there is also a method of using one reel to double out the wire rope (i.e. two wire ropes are wound on one reel), however, since two wire ropes are wound on one reel, the wire rope is usually deviated on the reel along with the rotation of the reel when being unwound from the reel, so that the setting of the spatial position of a fixed pulley for leading out the wire rope is limited when the wiya device is arranged in a performance space, and the two wire ropes are easy to be wound to cause an accident, and it is difficult to ensure the high-speed safe operation of the wiya device.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a Wiya crane with a built-in driving double rope-out type, which has simple structure, small volume and small occupied space, and two steel wire ropes can not laterally move and wind along with the rotation of a winding drum, thereby ensuring the high-speed safe operation of the Wiya crane; in addition, the utility model discloses still provide a built-in drive goes out rope formula wei ya loop wheel machine more.
In order to achieve the above object of the present invention, the present invention provides a dual-rope-out type wiya crane with built-in drive, which comprises a winding drum, a drive device for driving the winding drum to rotate, a first steel wire rope and a second steel wire rope, wherein one end of the first steel wire rope is wound on the winding drum, and the drive device is installed inside the winding drum; an anti-deviation device for preventing the first steel wire rope and the second steel wire rope from deviating when the winding drum rotates is arranged outside the winding drum; wherein, the deviation prevention device includes: the transmission assembly is connected with a power output shaft of the driving device; the lead screw component is connected with the transmission component; a pair of guide pulleys connected with the lead screw assembly; and the other ends of the first steel wire rope and the second steel wire rope unwound from the winding drum extend outwards along the radial direction of the winding drum and pass by the corresponding guide pulley.
Wherein the axial direction of the lead screw component is parallel to the axial direction of the winding drum.
The lead screw is provided with a pair of nuts with a certain distance, and the pair of nuts are respectively provided with a pair of supports for supporting the pair of guide pulleys.
The transmission assembly is a belt transmission assembly, an input belt pulley of the belt transmission assembly is fixedly arranged on a power output shaft of the driving device, and an output belt pulley of the belt transmission assembly is fixedly arranged at one end of a lead screw of the lead screw assembly.
The driving device comprises a servo motor and a speed reducer connected with the servo motor, and an output shaft of the speed reducer is a power output shaft.
The two ends of the winding drum are provided with a pair of connecting plates fixedly connected with the inner wall of the winding drum, and the driving device is supported by the pair of connecting plates.
The winding drum is characterized by further comprising a speed reducer end vertical plate and a motor end vertical plate which are arranged outside the winding drum and located at two ends of the winding drum respectively, one end of the winding drum is rotatably connected with the motor end vertical plate through a connecting assembly, and the power output shaft is rotatably connected with the speed reducer end vertical plate.
The length extending directions of the vertical plate at the end of the speed reducer and the vertical plate at the end of the motor are respectively vertical to the axial direction of the winding drum.
Further, the fixed pulley is arranged on the end vertical plate of the motor and used for vertically and downwards leading out a first steel wire rope and a second steel wire rope which are led out by a guide pulley.
In addition, the utility model also provides a built-in drive multi-rope-outlet type Weiya crane, which comprises a winding drum, a drive device for driving the winding drum to rotate, and a plurality of steel wire ropes with one ends wound on the winding drum, wherein the drive device is arranged in the winding drum; an anti-deviation device for preventing the steel wire ropes from deviating when the winding drum rotates is arranged outside the winding drum; wherein, the deviation prevention device includes: the transmission assembly is connected with a power output shaft of the driving device; the lead screw component is connected with the transmission component; a plurality of guide pulleys connected with the lead screw assembly; and the other ends of the steel wire ropes unwound from the winding drum extend outwards along the radial direction of the winding drum and pass by the corresponding guide pulley.
Compared with the prior art, the utility model discloses a two rope formula wei ya loop wheel machines and many rope formula wei ya loop wheel machines of built-in drive have following outstanding advantage:
1. the utility model discloses a two play rope formula wei ya loop wheel machines of built-in drive, inside the reel placed in drive arrangement, reduce the volume of whole loop wheel machine, compare drive arrangement and settle in the scheme outside the reel for the wire rope winding or remove winding fast, the precision is high.
2. The utility model discloses a Weiya loop wheel machine has anti-migration device, when making wire rope remove the winding from the reel, the other end of wire rope outwards extends and bypasses corresponding leading sheave along the radial of reel, promptly, makes out the rope angle 0, prevents effectively that two wire rope from shifting and producing the winding when the reel is rotatory, improves loop wheel machine operation security; in addition, the rope outlet angle of the steel wire rope is 0, so that when the crane is applied to a stage or any performance space, the rope outlet angle of the steel wire rope is not limited by the spatial position of the overhead fixed pulley, and the rope outlet angle can be kept to be 0 forever.
3. The utility model discloses a Weiya loop wheel machine, its prevent that excursion device, reel pass through one set of drive arrangement drive to make above-mentioned device can integrate in a box, be convenient for remove at any time.
The present invention will be described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of the internal drive double rope-out type Weiya crane of the present invention;
FIG. 2 is a top view of the internal drive double rope-out type Weiya crane of the present invention;
FIG. 3 is a left side view of the internal drive double rope-out type Weiya crane of the present invention;
FIG. 4 is a view taken along line A-A of FIG. 1;
FIG. 5 is a front view of a connection plate of the present invention;
FIG. 6 is a left side view of the connection plate shown in FIG. 5;
fig. 7 is a schematic structural diagram of the mounting rack of the present invention;
FIG. 8 is a front view of the fixed pulley of the present invention
FIG. 9 is a left side view of the crown block shown in FIG. 8;
fig. 10 is a schematic structural view of the rope disorder prevention device of the present invention.
Detailed Description
As shown in fig. 1 to 3, which are a front view, a top view and a left view of a dual-rope-out type wiya crane with built-in drive according to an embodiment of the present invention, respectively, and fig. 4 is a view from a-a in fig. 1, it can be seen from fig. 1 to 4 that the dual-rope-out type wiya crane with built-in drive according to the present embodiment has a winding drum 7, a drive device for driving the winding drum 7 to rotate, a first steel wire rope 3 and a second steel wire rope 4 with one end wound around the winding drum 7, wherein the drive device is installed inside the winding drum 7; an anti-deviation device for preventing the first steel wire rope 3 and the second steel wire rope 4 from deviating when the winding drum 7 rotates is arranged outside the winding drum 7; wherein, prevent excursion device includes: the transmission assembly is connected with a power output shaft of the driving device; the lead screw component is connected with the transmission component; a pair of guide pulleys connected with the lead screw assembly; wherein the other ends of the first and second wire ropes 3 and 4 unwound from the reel 7 extend outward in the radial direction of the reel 7 and pass around a corresponding one of the guide pulleys.
Specifically, the wiya crane of this embodiment is a double-rope-outgoing crane, that is, two steel wire ropes, namely, a first steel wire rope 3 and a second steel wire rope 4, are led out from one drum, and one ends of the two steel wire ropes are wound around the drum 7, and as with the double-rope-outgoing crane of the prior art, a certain distance is required between the ends of the two steel wire ropes wound around the drum 7 in the axial direction of the drum 7, and the other ends of the two steel wire ropes are led out after being wound around the drum 7. Preferably, the outer wall of the winding drum 7 is provided with a spiral rope groove, and the two steel wire ropes are wound outside the winding drum 7 along the corresponding rope grooves respectively.
In order to prevent the winding drum 7 from rotating, the two steel wire ropes are offset and wound along with the rotation of the winding drum 7, so that the operation of the crane is unsafe, in this embodiment, when the two steel wire ropes are unwound from the winding drum 7 by using the offset prevention device, the other ends of the two steel wire ropes extend outwards along the radial direction of the winding drum 7, that is, the rope outlet angles of the two steel wire ropes are 0 respectively.
The deviation preventing device of the present embodiment may adopt the following structure, including: the transmission assembly is connected with a power output shaft of the driving device; the lead screw component is connected with the transmission component; a pair of guide pulleys connected to the screw assembly, i.e., a first guide pulley 5 corresponding to a winding position of the first wire rope 3, and a second guide pulley 6 corresponding to a winding position of the second wire rope 4; when the first steel wire rope 3 and the second steel wire rope 4 wound on the winding drum 7 along the axial direction are unwound, the other ends of the first steel wire rope 3 and the second steel wire rope 4 extend outwards along the radial direction of the winding drum 7 and bypass a corresponding guide pulley, so that the rope outlet angle is 0.
The drive device of the embodiment is arranged inside the winding drum 7, so that the Weiya crane is a double-rope-outlet Weiya crane with built-in drive. The driving device comprises a servo motor 27 and a speed reducer 21 connected with the servo motor 27, wherein an output shaft of the speed reducer 21 is a power output shaft, and in the design, the speed reducer 21 adopts a planetary speed reducer, and the servo motor 27 and the speed reducer 21 are connected to form a conical structure and can be arranged inside the winding drum 7.
During design, a speed reducer end vertical plate 39 and a motor end vertical plate 1 are arranged outside the winding drum 7 and located at two ends of the winding drum respectively, and the speed reducer end vertical plate 39 and the motor end vertical plate 1 are respectively in radial parallel with the winding drum 7. One end of the winding drum 7 is rotatably connected with the motor end vertical plate 1 through a connecting assembly, a power output shaft of the speed reducer 21 is rotatably connected with the speed reducer end vertical plate 39 through a bearing 14, the bottom of the speed reducer end vertical plate 39 and the bottom of the motor end vertical plate 1 are detachably connected together through a connecting beam 2 extending along the axial direction of the winding drum 7, and therefore the winding drum 7 supporting frame is formed through the speed reducer end vertical plate 39, the motor end vertical plate 1 and the connecting beam 2.
In order to realize the arrangement of the driving device inside the winding drum 7, a pair of connecting plates fixedly connected with two end plates of the winding drum 7 (i.e. vertical plates respectively located at two ends of the winding drum 7, and both ends of the vertical plate are welded and fixed with the inner wall of the winding drum) through bolts are arranged at two ends of the winding drum 7 in this embodiment, for example, the connecting plate 20 located on one side of the vertical plate 39 at the end of the speed reducer, the connecting plate 8 located on one side of the vertical plate 1 at the end of the motor, and the connecting plate. The connecting plate 20 is a vertical plate parallel to the end plate of the winding drum 7 and having a central hole, the connecting plate 8 has a vertical plate parallel to the end plate and having a central hole, and a shaft sleeve fixedly connected to the center of the vertical plate and having a central through hole and extending axially along the winding drum (as shown in fig. 5 and 6), the power output shaft of the speed reducer 21 passes through the connecting plate 20 and then passes through the center of the vertical plate 39 at the end of the speed reducer, and the power output shaft is fixedly connected to the shaft sleeve which is sleeved outside the power output shaft and located between the power output shaft and the central hole of the connecting plate 20 through a key 19, so that the winding drum 7 can.
In order to enable the motor end vertical plate 1 to support the winding drum 7, the embodiment adopts the connecting component to connect the motor end vertical plate and the winding drum together. As shown in fig. 1, the connecting assembly of the present embodiment includes: the mounting frame 22 (shown in fig. 7) is used for mounting the servo motor 27 therein, is in a stepped shaft shape with a through hole in the center, one end of a large shaft of the mounting frame is detachably connected with a flange of the speed reducer 21, and the other end (namely one end of a small shaft) of the mounting frame passes through a center hole of a shaft sleeve of the connecting plate 8 and then is detachably connected with the motor end vertical plate 1; a bearing 28 which is sleeved on the outer wall of the mounting frame 22 near the other end thereof and rotatably connects the mounting frame 22 and the shaft sleeve of the connecting plate 8 together; a shaft sleeve 30 which axially fixes the bearing 28 between the end vertical plate 1 of the motor and the connecting plate 8 along the winding drum 7; and the pressing plate 31 is sleeved outside the shaft sleeve 30 and is parallel to the connecting plate 8, and the pressing plate 31 is detachably connected with a bearing seat of the bearing 28.
In the embodiment, the servo motor 27 of the driving device is fixed relative to the support frame with the motor end vertical plate 1 through the connecting assembly, and the winding drum 7 driven by the driving device rotates relative to the support frame, so that built-in driving is realized, and the steel wire rope on the winding drum 7 is quickly and accurately wound or unwound.
When the driving device works, the power output shaft transmits power to the transmission assembly, and then transmits the power to the lead screw 47 of the lead screw assembly through the transmission assembly. Wherein, the transmission assembly of this embodiment can adopt a belt transmission assembly, as shown in fig. 1-3, it includes: an input belt pulley 11 fixedly mounted on a power output shaft of the driving device; the output belt pulley is fixedly arranged at one end of a screw rod 47 with the length extending direction parallel to the axial direction of the winding drum 7; and the two ends of the synchronous belt 58 are respectively matched and connected with the input belt pulley 11 and the output belt pulley. The belt transmission assembly uses constant-speed transmission, and converts the output power of a driving device built in the drum 7 into the power for rotating the lead screw 47 parallel to the axial direction of the drum 7.
Two ends of the screw 47 are respectively rotatably connected with the end vertical plate 39 of the speed reducer and the end vertical plate 1 of the motor through bearings, one end of the screw 47 penetrates through the center of the output belt pulley and is fixedly connected with the output belt pulley, and a shaft sleeve 48 is sleeved along the axial direction of the screw 47 to limit the distance between the output belt pulley and the end vertical plate 39 of the speed reducer. When the output belt pulley rotates, the lead screw 47 is driven to rotate, and the first guide pulley 5 and the second guide pulley 6 mounted on the lead screw 47 are driven to move along the axial direction (i.e. the length extending direction) of the lead screw simultaneously, so that the first steel wire rope 3 and the second steel wire rope 4 are guided to be synchronously discharged.
Specifically, a pair of screw nuts 44 are mounted on the screw 47 at intervals along the axial direction thereof, a bracket 46 for supporting the guide pulley is fixedly mounted on each screw nut 44, the central axis of the guide pulley is parallel to the axial direction of the winding drum 7, and the other ends of the first steel wire rope 3 and the second steel wire rope 4 extend outwards along the radial direction of the winding drum 7 and bypass the corresponding guide pulley, that is, as shown in fig. 2, the first steel wire rope 3 bypasses the first guide pulley 5, the second steel wire rope 4 bypasses the second guide pulley 6, and after being converted by the corresponding guide pulley by 90 degrees, the first steel wire rope extends towards the side of the motor end upright plate 1 along the horizontal direction parallel to the axial direction of the winding drum. In the embodiment, a double-groove fixed pulley 38 is installed on the outer side (i.e., the side away from the motor) of the motor end vertical plate 1, and is used for leading out the first wire rope 3 and the second wire rope 4 led out by the pair of guide pulleys downwards along the vertical direction, so that the tail ends of the first wire rope 3 and the second wire rope 4 led out downwards can suspend a required person or device. The double-grooved fixed sheave 38 of the present embodiment may have a structure as shown in fig. 8 and 9, and has a pair of grooves for allowing two wire ropes to pass side by side, and a rope guard 381 on one side.
During design, the distance between the pair of lead screw nuts 44 matches the distance between one ends of the two steel wire ropes wound on the winding drum 7, and the screw pitch of the lead screw is equal to the screw pitch of the rope groove arranged on the winding drum 7. In the embodiment, the driving device drives the winding drum 7 and the lead screw 47 to synchronously rotate, so that the winding process or the winding releasing process of the two steel wire ropes on the winding drum 7 is consistent with the moving stroke of the pair of lead screw nuts 44 along with the rotation of the winding drum 7, the rope outlet angle of the two steel wire ropes can be always 0, the two steel wire ropes are effectively prevented from deviating and winding when the winding drum rotates, and the operation safety of the crane is improved. In addition, the rope outlet angle of the steel wire rope is 0, so that when the crane is applied to a stage or any performance space, the rope outlet angle of the steel wire rope is not limited by the spatial position of the overhead fixed pulley, and the rope outlet angle can be kept to be 0 forever.
In addition to the above components, the wiya crane of the present embodiment further includes a rope jump preventing device disposed above the screw 47, specifically, a guide aluminum shaft 40 disposed above the screw 47 in parallel with the screw, and both ends of the guide aluminum shaft 40 are fixed to the motor end vertical plate 1 and the speed reducer end vertical plate 39 through a pair of flanges 33. A pair of guide bearings 41 (as shown in fig. 2) corresponding to the two wire ropes are mounted on the guide aluminum shaft 40, and a wire rope pressing plate 50 is mounted on each guide bearing 41, so that the wire rope pressing plate 50 applies force to the wire rope on the drum 7 to prevent rope skipping.
It should be noted that the detachable connection according to this embodiment may be implemented by a bolt assembly connection, or by other connection.
In addition to the above-described devices, the weya crane of the present embodiment is provided with a rope tangling prevention device 52 having a pair of nylon rollers 521 for pressing two wire ropes to prevent rope tangling when the drum is rotating forward and backward, as shown in fig. 10. In addition, the wiya crane of this embodiment further has other necessary devices, such as the anti-loosening rope device 55 and the tension wheel device 56, which may adopt the structures of the prior art, and when the wiya crane is assembled, the structures may be modified appropriately according to the structure of this embodiment, and the structures of these devices are not described herein. In addition to the above-described configuration, the anti-roping device 52 may also be configured according to the related art.
The double-wire rope-outgoing-wire-rope-outgoing-wire crane of the embodiment is driven by the deviation-preventing device and the winding drum through the set of driving device, so that the double-wire rope-outgoing-wire crane of the embodiment can be integrated in a box body in practical application, and the whole double-wire rope-outgoing-wire-.
The working process of the internal drive double-rope-outlet type Weiya crane of the embodiment is briefly described as follows:
the servomotor 27 of the drive unit is started, and on the one hand, the drum 7 is driven to rotate by the power take-off shaft, so that the wire rope on the drum 7 is wound or unwound from the drum 7. On the other hand, the power is transmitted to the transmission assembly through the power output shaft, and then the power is transmitted to the lead screw 47 through the transmission assembly to enable the lead screw 47 to rotate, when the lead screw 47 rotates, the lead screw nut on the lead screw is driven to axially move relative to the lead screw, and the stroke of the axial movement of the lead screw nut relative to the lead screw is equal to the stroke generated in the axial direction of the winding drum when the steel wire rope is wound on the winding drum or is unwound from the winding drum at the moment, so that the rope outlet angle of the steel wire rope is always 0 when the steel wire rope.
When the steel wire rope is wound on the winding drum or is unwound, the phenomena of steel wire rope disorder, belt looseness and the like are prevented through the rope disorder preventing device, the rope skipping preventing device, the rope loosening preventing device, the deviation preventing device and the like.
In the embodiment, the driving device drives the winding drum 7 and the lead screw 47 to synchronously rotate, so that the winding process or the winding releasing process of the two steel wire ropes on the winding drum 7 is consistent with the moving stroke of the pair of lead screw nuts 44 along with the rotation of the winding drum 7, the rope outlet angle of the two steel wire ropes can be always 0, the two steel wire ropes are effectively prevented from deviating and winding when the winding drum rotates, and the operation safety of the crane is improved. In addition, the rope outlet angle of the steel wire rope is 0, so that when the crane is applied to a stage or any performance space, the rope outlet angle of the steel wire rope is not limited by the spatial position of the overhead fixed pulley, and the rope outlet angle can be kept to be 0 forever.
In addition to the above-mentioned internal-drive double-rope-discharge type wiya crane, the present invention also provides a built-in-drive multiple-rope-discharge type wiya crane, which has a winding drum 7, a drive device for driving the winding drum 7 to rotate, and a plurality of steel wire ropes with one ends wound on the winding drum 7, wherein the drive device is installed inside the winding drum 7; an anti-deviation device for preventing a plurality of steel wire ropes from deviating when the winding drum 7 rotates is arranged outside the winding drum 7; wherein, prevent excursion device includes: the transmission assembly is connected with a power output shaft of the driving device; the lead screw component is connected with the transmission component; a plurality of guide pulleys connected with the lead screw assembly; wherein the other ends of the plurality of steel wire ropes unwound from the reels 7 extend outward in the radial direction of the reels 7 and pass around a corresponding one of the guide pulleys.
The structure of the multi-rope-outlet type Weiya crane is basically the same as that of a double-rope-outlet type Weiya crane, and the difference is that the number of steel wire ropes in the double-rope-outlet type Weiya crane is changed into a plurality of steel wire ropes according to actual requirements, and the number of grooves of nuts, guide pulleys and fixed pulleys on a lead screw is designed according to the number of the steel wire ropes.
Although the present invention has been described in detail, the present invention is not limited thereto, and those skilled in the art can modify the principle of the present invention, and therefore, various modifications performed according to the principle of the present invention should be understood as falling into the protection scope of the present invention.
Claims (10)
1. A built-in drive double-rope-outlet type Weiya crane is provided with a winding drum, a drive device for driving the winding drum to rotate, a first steel wire rope and a second steel wire rope, one end of each of which is wound on the winding drum, and the double-rope drive double-rope type Weiya crane is characterized in that:
the driving device is arranged inside the winding drum;
an anti-deviation device for preventing the first steel wire rope and the second steel wire rope from deviating when the winding drum rotates is arranged outside the winding drum;
wherein, the deviation prevention device includes: the transmission assembly is connected with a power output shaft of the driving device; the lead screw component is connected with the transmission component; a pair of guide pulleys connected with the lead screw assembly;
and the other ends of the first steel wire rope and the second steel wire rope unwound from the winding drum extend outwards along the radial direction of the winding drum and pass by the corresponding guide pulley.
2. The internal drive double-rope-discharging Weiya crane according to claim 1, wherein an axial direction of the lead screw assembly is parallel to an axial direction of the winding drum.
3. The internal-drive double-rope-outgoing type Weiya crane according to claim 2, wherein a pair of nuts with a certain interval are arranged on the lead screw, and a pair of brackets for supporting the pair of guide pulleys are respectively mounted on the pair of nuts.
4. The internal-drive double-rope-outlet type Weiya crane according to claim 3, wherein the transmission assembly is a belt transmission assembly, an input pulley of the belt transmission assembly is fixedly arranged on a power output shaft of the driving device, and an output pulley of the belt transmission assembly is fixedly arranged at one end of a lead screw of the lead screw assembly.
5. The internal-drive double-rope-outlet type Weiya crane according to claim 4, wherein the driving device comprises a servo motor and a speed reducer connected with the servo motor, and an output shaft of the speed reducer is a power output shaft.
6. The internal drive double rope-discharging type Weiya crane according to claim 5, wherein the drum is provided at both ends thereof with a pair of connection plates fixedly connected to the inner wall thereof, and the driving means is supported by the pair of connection plates.
7. The internal-drive double-rope-outlet type Weiya crane according to claim 6, further comprising a speed reducer end vertical plate and a motor end vertical plate which are arranged outside the winding drum and located at two ends of the winding drum respectively, wherein one end of the winding drum is rotatably connected with the motor end vertical plate through a connecting assembly, and the power output shaft is rotatably connected with the speed reducer end vertical plate.
8. The internal-drive double-rope-outlet type Weiya crane according to claim 7, wherein the length extension directions of the reducer end vertical plate and the motor end vertical plate are respectively perpendicular to the axial direction of the winding drum.
9. The internal-drive double-rope-discharging type Weiya crane according to claim 7, further comprising a fixed pulley mounted on the motor end plate for vertically and downwardly guiding the first wire rope and the second wire rope guided by one guide pulley.
10. A built-in drive multi-rope-output type Weiya crane is provided with a winding drum, a drive device for driving the winding drum to rotate, and a plurality of steel wire ropes with one ends wound on the winding drum, and is characterized in that:
the driving device is arranged inside the winding drum;
an anti-deviation device for preventing the steel wire ropes from deviating when the winding drum rotates is arranged outside the winding drum;
wherein, the deviation prevention device includes: the transmission assembly is connected with a power output shaft of the driving device; the lead screw component is connected with the transmission component; a plurality of guide pulleys connected with the lead screw assembly;
and the other ends of the steel wire ropes unwound from the winding drum extend outwards along the radial direction of the winding drum and pass by the corresponding guide pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921391183.9U CN210751308U (en) | 2019-08-26 | 2019-08-26 | Built-in driving double-rope-outlet type Weiya crane and multi-rope-outlet type Weiya crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921391183.9U CN210751308U (en) | 2019-08-26 | 2019-08-26 | Built-in driving double-rope-outlet type Weiya crane and multi-rope-outlet type Weiya crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210751308U true CN210751308U (en) | 2020-06-16 |
Family
ID=71032036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921391183.9U Active CN210751308U (en) | 2019-08-26 | 2019-08-26 | Built-in driving double-rope-outlet type Weiya crane and multi-rope-outlet type Weiya crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210751308U (en) |
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2019
- 2019-08-26 CN CN201921391183.9U patent/CN210751308U/en active Active
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