CN220787887U - Luffing device of crane boom of tower crane - Google Patents
Luffing device of crane boom of tower crane Download PDFInfo
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- CN220787887U CN220787887U CN202322578471.8U CN202322578471U CN220787887U CN 220787887 U CN220787887 U CN 220787887U CN 202322578471 U CN202322578471 U CN 202322578471U CN 220787887 U CN220787887 U CN 220787887U
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- tower crane
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- rope
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- 238000004804 winding Methods 0.000 claims abstract description 30
- 239000004744 fabric Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 abstract description 52
- 239000010959 steel Substances 0.000 abstract description 52
- 230000000694 effects Effects 0.000 description 29
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Abstract
The utility model provides a tower crane boom amplitude changing device, which relates to the technical field of tower crane boom amplitude changing devices and comprises a tower crane, wherein a tower boom is arranged at the top of the outer surface of the tower crane, an amplitude changing trolley is connected to the outer surface of the tower boom in a sliding manner, a steel cable is arranged on the outer surface of the amplitude changing trolley, a hook is arranged on the outer surface of the steel cable, an anti-entanglement device is arranged on the outer surface of the amplitude changing trolley, a limiting device is arranged on the outer surface of the tower boom, the anti-entanglement device comprises a first motor fixedly connected to the top of the outer surface of the amplitude changing trolley, a support is fixedly connected to the top of the outer surface of the amplitude changing trolley, a rope winding wheel is rotatably connected to the inside of the support, a threaded rod is rotatably connected to the outer surface of the support, and a sliding block is in threaded connection with the outer surface of the threaded rod.
Description
Technical Field
The utility model relates to the technical field of tower crane boom amplitude changing devices, in particular to a tower crane boom amplitude changing device.
Background
The tower crane boom amplitude changing device is a device for adjusting the distance between a hook and a tower crane on a boom of the tower crane, and mainly comprises the tower crane, a tower boom, an amplitude changing trolley and other parts, wherein when the distance needs to be adjusted, the amplitude changing trolley can be adjusted to achieve the main amplitude changing of the boom.
The inventor finds that when the tower crane boom amplitude changing device is used daily, as the amplitude changing trolley is provided with a component capable of winding the steel rope, the steel rope can be pressed together during winding, so that the descending speed of the steel rope is inconsistent during the next use of the steel rope, and further, when the steel rope is wound, the steel rope can be dispersed due to downward gravity caused by a hoisting weight, so that the service life of the steel rope is shortened, and meanwhile, the possibility of breakage of the steel rope is also caused, so that the influence is caused.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a crane boom amplitude changing device of a tower crane.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the tower crane boom amplitude changing device comprises a tower crane, a tower arm is arranged at the top of the outer surface of the tower crane, an amplitude changing trolley is connected to the outer surface of the tower arm in a sliding mode, a steel cable is arranged on the outer surface of the amplitude changing trolley, a hook is arranged on the outer surface of the steel cable, an anti-tangling device is arranged on the outer surface of the amplitude changing trolley, a limiting device is arranged on the outer surface of the tower arm, the anti-tangling device comprises a first motor fixedly connected to the top of the outer surface of the amplitude changing trolley, a support is fixedly connected to the top of the outer surface of the amplitude changing trolley, a rope winding wheel is connected to the inside of the support in a rotating mode, a threaded rod is connected to the outer surface of the support in a threaded mode, a sliding block is arranged on the outer surface of the sliding block, a groove is formed in the outer surface of the groove, and a groove body is formed in the outer surface of the amplitude changing trolley, and the steel cable is arranged in the groove body.
The effects achieved by the components are as follows: through the entanglement preventing device, the steel ropes can not be pressed together when being entangled on the surface of the winding wheel, and the steel ropes can not be pressed together or entangled together under the action of the sliding block.
Preferably, one end of the outer surface of the threaded rod is fixedly connected with a pinion, the outer surface of the pinion is meshed and driven with a large gear, and the large gear is fixedly connected with the output end of the first motor.
The effects achieved by the components are as follows: under the meshing transmission of the large gear and the small gear, the sliding block can move on the surface of the threaded rod, so that the problem of untight winding of the steel cable can not occur when the steel cable is wound.
Preferably, the outer surface of the bracket is fixedly connected with a fixed rod, and the outer surface of the fixed rod is slidably connected with a sliding block.
The effects achieved by the components are as follows: under the action of the fixed rod, the sliding block cannot rotate along with the rotation of the threaded rod.
Preferably, an anti-slip strip is fixedly connected inside the groove.
The effects achieved by the components are as follows: under the action of the anti-slip strip, the steel cable can not be disturbed in the groove.
Preferably, the output end of the first motor is provided with a belt, the outer surface of the amplitude changing trolley is provided with a winding frame, the belt is rotationally connected with the outer surface of the winding frame on a winding wheel, and one side of the belt, which is close to the outer surface of the output end of the first motor, is fixedly connected with a rectangular strip.
The effects achieved by the components are as follows: under the effect of belt for the spool also can twine the cable wire, and then make the cable wire can be more convenient carry out jack-up heavy object, when needs use the cable wire, put down the cable wire with the heavy object through couple and cable wire fixed together, start first motor, and then drive around the cable pulley and rotate, thereby make the cable wire can twine around the surface of cable pulley, under the effect of belt, make the spool also rotate, and then make the cable wire can twine more quick, under the effect of rectangle strip, make the belt can not take place the phenomenon of skidding when driving the spool rotation, under the meshing transmission of gear wheel and pinion, make the sliding block can move on the surface of threaded rod, thereby can not take place the not tight problem of cable wire winding when the cable wire twines, simultaneously also solved the phenomenon that the cable wire is in the time twining around the cable pulley surface, under the effect of dead lever, make the sliding block can not follow the rotation of threaded rod and rotate, under the effect of antislip strip, make the cable wire can not move in the recess is in disorder, and then reached the effect of preventing entangling.
Preferably, the limiting device comprises a second motor fixedly connected to one side of the outer surface of the tower arm, the output end of the second motor is fixedly connected with a round rod, the outer surface of the round rod is fixedly connected with a circular plate, the outer surface of the round rod is provided with an adjusting rope, one end of the adjusting rope is fixedly connected with the luffing trolley, one side of the tower arm, far away from the outer surface of the tower crane, is rotationally connected with a rotating rod, and the outer surface of the rotating rod is provided with the adjusting rope.
The effects achieved by the components are as follows: under the action of the limiting device, the distance can be accurately adjusted by the amplitude-changing trolley when the distance is adjusted, meanwhile, the effect of limiting the amplitude-changing trolley is achieved, and under the action of the adjusting rope, the amplitude-changing trolley can be accurately adjusted.
Preferably, the bottom of the outer surface of the tower arm is fixedly connected with a rectangular block, and the outer surface of the rectangular block is rotationally connected with an auxiliary wheel.
The effects achieved by the components are as follows: under the action of the auxiliary wheel, the adjusting rope cannot rub with the tower arm.
Preferably, the outer surface of the rectangular block is fixedly connected with a baffle rod.
The effects achieved by the components are as follows: under the effect of shelves pole for adjusting rope can not follow the inside roll-off of auxiliary wheel, when adjusting the width of cloth dolly, start the second motor, and then make the round bar drive adjusting rope and rotate, and then drive width of cloth dolly and move, after adjusting to suitable position, close the second motor, and then make the width of cloth dolly stop in the position that needs to stop, and then reached the effect of restriction width of cloth dolly.
Compared with the prior art, the utility model has the advantages and positive effects that,
According to the utility model, by arranging the anti-entanglement device, when the steel rope is required to be used, the steel rope is put down, the heavy object is fixed with the steel rope through the hook, the first motor is started, and the rope winding wheel is driven to rotate, so that the steel rope can be wound on the surface of the rope winding wheel, the winding frame is also rotated under the action of the belt, the steel rope can be wound more rapidly, the belt can not slip when the winding frame is driven to rotate under the action of the rectangular bar, the sliding block can move on the surface of the threaded bar under the meshing transmission of the large gear and the small gear, the problem that the steel rope is not tightly wound when the steel rope is wound on the surface of the rope winding wheel is solved, the phenomenon that the steel rope is pressed together when the steel rope is wound on the surface of the rope winding wheel is solved, the sliding block can not rotate along with the rotation of the threaded bar under the action of the fixed rod, the steel rope can not move in the groove in a disordered manner under the action of the anti-entanglement effect, and the problem that the steel rope cannot be broken when the steel rope is pressed together is solved.
Drawings
Fig. 1 is a schematic perspective view of a luffing device of a boom of a tower crane according to the present utility model;
FIG. 2 is a schematic diagram of an anti-tangling device of a luffing device of a crane boom of a tower crane according to the present utility model;
FIG. 3 is a schematic view of a limiting device of a luffing device of a jib of a tower crane;
FIG. 4 is a schematic view of a portion of a stop assembly of a luffing device of a jib of a tower crane according to the present utility model;
Fig. 5 is a schematic view of a part of a limiting device of a luffing device of a boom of a tower crane according to the present utility model.
Legend description: 1. a tower crane; 2. an anti-entanglement device; 201. a first motor; 202. a rope winding wheel; 203. a large gear; 204. a pinion gear; 205. a threaded rod; 206. a fixed rod; 207. a tank body; 208. a bobbin; 209. a bracket; 210. a belt; 211. a rectangular bar; 212. a sliding block; 213. a groove; 214. an anti-slip strip; 3. a limiting device; 31. a second motor; 32. a round bar; 33. a circular plate; 34. an adjusting rope; 35. a rotating lever; 36. rectangular blocks; 37. a gear lever; 38. an auxiliary wheel; 4. a tower arm; 5. a luffing trolley; 6. a hook; 7. and (5) a steel rope.
Detailed Description
Embodiment 1, as shown in fig. 1-5, a tower crane boom amplitude changing device comprises a tower crane 1, wherein a tower boom 4 is arranged at the top of the outer surface of the tower crane 1, an amplitude changing trolley 5 is connected to the outer surface of the tower boom 4 in a sliding manner, a steel cable 7 is arranged on the outer surface of the amplitude changing trolley 5, a hook 6 is arranged on the outer surface of the steel cable 7, an anti-entanglement device 2 is arranged on the outer surface of the amplitude changing trolley 5, a limiting device 3 is arranged on the outer surface of the tower boom 4, and an object to be lifted is hung on the surface of the hook 6 and lifted through the steel cable 7.
Referring to fig. 2, the anti-entanglement device 2 comprises a first motor 201 fixedly connected to the top of the outer surface of the luffing trolley 5, a bracket 209 fixedly connected to the top of the outer surface of the luffing trolley 5, a rope winding wheel 202 rotatably connected to the inside of the bracket 209, a rope winding wheel 202 fixedly connected to the output end of the first motor 201, a threaded rod 205 rotatably connected to the outer surface of the bracket 209, a sliding block 212 screwed to the outer surface of the threaded rod 205, a groove 213 provided on the outer surface of the sliding block 212, a steel cable 7 provided in the groove 213, a groove 207 provided on the outer surface of the luffing trolley 5, the steel cable 7 provided in the groove 207, the anti-entanglement device 2, when the steel cable 7 is entangled to the surface of the rope winding wheel 202, the steel cable 7 will not be pressed together, under the action of the sliding block 212, the steel cable 7 will not be pressed together or entangled together, the external surface one end of the threaded rod 205 is fixedly connected with a pinion 204, the external surface of the pinion 204 is meshed and driven with a large gear 203, the large gear 203 is fixedly connected with the output end of the first motor 201, under the meshed and driven of the large gear 203 and the pinion 204, the sliding block 212 can move on the surface of the threaded rod 205, so that the problem of unsmooth winding of the steel cable 7 can not occur when the steel cable 7 is wound, the external surface of the bracket 209 is fixedly connected with a fixed rod 206, the external surface of the fixed rod 206 is slidingly connected with the sliding block 212, under the action of the fixed rod 206, the sliding block 212 can not rotate along with the rotation of the threaded rod 205, the inside of the groove 213 is fixedly connected with an anti-skid bar 214, under the action of the anti-skid bar 214, the steel cable 7 can not move in the groove 213, the output end of the first motor 201 is provided with a belt 210, the external surface of the luffing trolley 5 is provided with a bracket 208, the belt 210 is in the surface rotation connection of coiling wheel 202 and reel 208, belt 210 is close to the surface one side fixedly connected with rectangle strip 211 of first motor 201 output, under the effect of belt 210, make reel 208 also can wind cable wire 7, and then make cable wire 7 can more convenient carry out jack-up heavy object, when needs use cable wire 7, put down cable wire 7, fix the heavy object together through couple 6 and cable wire 7, start first motor 201, and then drive coiling wheel 202 and rotate, thereby make cable wire 7 can wind the surface at coiling wheel 202, under the effect of belt 210, make reel 208 also rotate, and then make cable wire 7 can wind up more fast, under the effect of rectangle strip 211, make belt 210 can not take place the phenomenon that skids when driving reel 208 rotation, under the meshing transmission of gear wheel 203 and pinion 204, make sliding block 212 can move on the surface of threaded rod 205, thereby can not take place 7 winding untight problem together when cable wire 7 winds, and simultaneously also the cable wire 7 is wound at the surface of coiling wheel 202 and is pressed at the rope 206, can not be along with the effect of rolling down the rope rod 206, thereby the effect of preventing the rope wire rope 7 from rotating under the effect of rolling bar 206, the effect of rolling down the rope rod is realized, the effect of preventing the rope 206 is further can not be along with the effect of rolling bar 212.
Referring to fig. 3-5, the limiting device 3 comprises a second motor 31 fixedly connected to one side of the outer surface of the tower arm 4, the output end of the second motor 31 is fixedly connected with a round rod 32, the outer surface of the round rod 32 is fixedly connected with a circular plate 33, the outer surface of the round rod 32 is provided with an adjusting rope 34, one end of the adjusting rope 34 is fixedly connected with the luffing trolley 5, one side of the tower arm 4, far away from the outer surface of the tower crane 1, is rotationally connected with a rotating rod 35, the outer surface of the rotating rod 35 is provided with the adjusting rope 34, under the action of the limiting device 3, the luffing trolley 5 can accurately adjust the distance when the distance is adjusted, meanwhile, the effect of limiting the luffing trolley 5 is achieved, the luffing trolley 5 can adjust the accurate position under the action of the adjusting rope 34, a rectangular block 36 is fixedly connected to the outer surface of the rectangular block 36, the adjusting rope 34 cannot rub with the tower arm 4 under the action of the auxiliary wheel 38, a stop rod 37 is fixedly connected to the outer surface of the rectangular block 36, the motor 34 cannot rotate from the inner side of the adjusting rope 34 to the luffing trolley 5, and then the luffing trolley 5 is stopped when the luffing trolley 5 is stopped under the action of the auxiliary wheel 37, and the second motor 31 is stopped, and the luffing trolley 5 is further required to be stopped, and the luffing trolley 5 is further stopped, and the luffing trolley is adjusted, and the luffing trolley is further, and the position is adjusted, and the position is required to be adjusted, and the position is adjusted, and is adjusted.
When the tower crane boom amplitude device is needed, an object to be lifted is hung on the surface of the hook 6 and lifted through the steel rope 7, when the steel rope 7 is needed, the steel rope 7 is put down, the heavy object is fixed with the steel rope 7 through the hook 6, the first motor 201 is started, the winding wheel 202 is driven to rotate, the steel rope 7 can be wound on the surface of the winding wheel 202, the winding frame 208 is driven to rotate under the action of the belt 210, the steel rope 7 can be wound more quickly, the belt 210 can not slip when the winding frame 208 is driven to rotate under the action of the rectangular bar 211, the sliding block 212 can move on the surface of the threaded rod 205 under the meshing transmission of the large gear 203 and the small gear 204, therefore, the problem that the steel cable 7 is not tightly wound when the steel cable 7 is wound is solved, the phenomenon that the steel cable 7 is pressed together when being wound on the surface of the winding wheel 202 is solved, the sliding block 212 cannot rotate along with the rotation of the threaded rod 205 under the action of the fixing rod 206, the steel cable 7 cannot move in the groove 213 under the action of the anti-slip strip 214, the anti-entanglement effect is achieved, when the luffing trolley 5 is regulated, the second motor 31 is started, the round rod 32 drives the regulating rope 34 to rotate, the luffing trolley 5 is driven to move, and after the luffing trolley 5 is regulated to a proper position, the second motor 31 is closed, the luffing trolley 5 is stopped at a position required to stop, and the luffing trolley 5 is limited.
Claims (8)
1. The utility model provides a tower crane jib loading boom luffing device, includes tower crane (1), its characterized in that: the utility model provides a tower crane, the surface top of tower crane (1) is provided with tower arm (4), the surface sliding connection of tower arm (4) has become width of cloth dolly (5), the surface of becoming width of cloth dolly (5) is provided with cable wire (7), the surface of cable wire (7) is provided with couple (6), the surface of becoming width of cloth dolly (5) is provided with anti-entanglement device (2), the surface of tower arm (4) is provided with stop device (3), anti-entanglement device (2) including fixed connection at the first motor (201) at the surface top of becoming width of cloth dolly (5), the surface top fixedly connected with support (209) of become width of cloth dolly (5), the inside rotation of support (209) is connected with around cable pulley (202), the output fixedly connected with around cable pulley (202) of first motor (201), the surface rotation of support (209) is connected with threaded rod (205), the surface threaded connection of threaded rod (205) has slider (212), the surface of slider (212) has seted up recess (213), the inside of recess (213) is provided with wire rope wire (207), the inside of change width of cloth (7).
2. The tower crane boom amplitude apparatus of claim 1, wherein: one end of the outer surface of the threaded rod (205) is fixedly connected with a pinion (204), a large gear (203) is meshed and driven on the outer surface of the pinion (204), and the large gear (203) is fixedly connected with the output end of the first motor (201).
3. The tower crane boom amplitude apparatus of claim 2, wherein: the outer surface of the support (209) is fixedly connected with a fixed rod (206), and the outer surface of the fixed rod (206) is connected with a sliding block (212) in a sliding way.
4. A tower crane boom amplitude apparatus as claimed in claim 3, characterised in that: and an anti-slip strip (214) is fixedly connected inside the groove (213).
5. The tower crane boom amplitude apparatus of claim 4, wherein: the belt (210) is arranged at the output end of the first motor (201), a winding frame (208) is arranged on the outer surface of the amplitude changing trolley (5), the belt (210) is rotationally connected with the outer surface of the winding frame (208) on the rope winding wheel (202), and a rectangular strip (211) is fixedly connected to one side of the belt (210) close to the outer surface of the output end of the first motor (201).
6. The tower crane boom amplitude apparatus of claim 5, wherein: stop device (3) are including second motor (31) of fixed connection in tower arm (4) surface one side, the output fixedly connected with pole (32) of second motor (31), the surface fixedly connected with plectane (33) of pole (32), the surface of pole (32) is provided with adjusting rope (34), the one end and the luffing trolley (5) fixed connection of adjusting rope (34), tower arm (4) are kept away from tower crane (1) surface one side rotation and are connected with dwang (35), the surface of dwang (35) is provided with adjusting rope (34).
7. The tower crane boom amplitude apparatus of claim 6, wherein: rectangular blocks (36) are fixedly connected to the bottom of the outer surface of the tower arm (4), and auxiliary wheels (38) are rotatably connected to the outer surfaces of the rectangular blocks (36).
8. The tower crane boom amplitude apparatus of claim 7, wherein: the outer surface of the rectangular block (36) is fixedly connected with a baffle rod (37).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322578471.8U CN220787887U (en) | 2023-09-22 | 2023-09-22 | Luffing device of crane boom of tower crane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322578471.8U CN220787887U (en) | 2023-09-22 | 2023-09-22 | Luffing device of crane boom of tower crane |
Publications (1)
Publication Number | Publication Date |
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CN220787887U true CN220787887U (en) | 2024-04-16 |
Family
ID=90635524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322578471.8U Active CN220787887U (en) | 2023-09-22 | 2023-09-22 | Luffing device of crane boom of tower crane |
Country Status (1)
Country | Link |
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CN (1) | CN220787887U (en) |
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2023
- 2023-09-22 CN CN202322578471.8U patent/CN220787887U/en active Active
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