CN214456285U - Crane with rotary trolley - Google Patents
Crane with rotary trolley Download PDFInfo
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- CN214456285U CN214456285U CN202023229946.5U CN202023229946U CN214456285U CN 214456285 U CN214456285 U CN 214456285U CN 202023229946 U CN202023229946 U CN 202023229946U CN 214456285 U CN214456285 U CN 214456285U
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Abstract
The utility model discloses a hoist of rotatory dolly in area belongs to hoisting equipment technical field, including frame, hoisting mechanism, wire rope, fixed pulley group and running block, its characterized in that: the rack is provided with a swing mechanism, the swing mechanism comprises a swing reducer, a transmission shaft, a pinion and a supporting sleeve, the swing reducer drives the pinion to rotate through the transmission shaft, a supporting support is fixed on the trolley frame, the bottom of the rack is provided with a flange plate, the flange plate is connected with an inner ring of the external tooth type swing support through a bolt, a gear is arranged on the outer side of an outer ring of the external tooth type swing support, the pinion is meshed with the gear of the external tooth type swing support, and the outer ring of the external tooth type swing support is connected with the flange plate of the supporting support through a bolt. The utility model discloses a cooperation of rotation mechanism and dolly running gear is convenient for hang the thing and carry out the attitude adjustment of optional position and angle aloft, lifts by crane maneuverability good.
Description
Technical Field
The utility model relates to hoisting equipment technical field especially relates to a hoist of rotatory dolly in area.
Background
At present, most of existing hoists, crane hooks or lifting appliances cannot rotate or can only rotate passively, so that a hanging object hung on the lifting appliance can only move in the vertical, horizontal and front-back directions but cannot rotate around the center of a lifting point, the space angle of the hanging object cannot be actively adjusted in the air, and the space locating difficulty of the hanging object is increased. In the construction, the hoisted object is transported to the lower part of the hoist and limited to the site condition, the initial posture before waiting for hoisting is often different from the final posture after being finally put in place, if the posture is adjusted before hoisting, the required measures are high in cost and difficulty, and the posture of the hoisted object after being suspended can be changed again due to the deviation of the gravity center position of the hoisted object or the position of the lifting lug.
The lifting appliance with the rotatable function in the prior art mostly adopts multiple lifting points, the number of lifting mechanisms is increased, the lifting appliance is relatively complex in structure, large in size, not suitable for occasions with small space and poor in universality.
Chinese patent publication No. CN 209193392U, published as 2019, 08 and 02 discloses a novel rotary trolley type bridge crane, which comprises a box-type end beam and a box-type main beam, and is characterized in that: the two ends of the box-type main beam are rigidly connected with box-type end beams through bolts, the two ends of each box-type end beam are respectively provided with a longitudinal running mechanism, each group of longitudinal running mechanisms comprises a lifting motor, a first brake, a first speed reducer and first wheels, the tail end of each lifting motor is in transmission connection with the first brake, the output end of each lifting motor is in transmission connection with the first speed reducer through a coupling, each first speed reducer is in transmission connection with the first wheels, each first wheel is in rolling connection with the side wall of each box-type end beam, the middle of each box-type main beam is penetrated by a trolley frame, two groups of transverse running mechanisms are arranged at the upper end of the trolley frame and positioned on the upper surface of the box-type main beam, each group of transverse running mechanisms comprises a translation motor, a second brake, a second speed reducer and a second wheel, and the tail end of each translation motor is in transmission connection with the second brake, each translation motor output end is connected with a second speed reducer through a shaft coupling in a transmission manner, each second speed reducer is connected with a second wheel in a transmission manner, each second wheel is connected to the surface of the box-type main beam in a rolling manner, a swing mechanism is arranged at the lower end of the trolley frame and positioned on the lower surface of the box-type main beam and comprises a rotation connecting seat, a rotation motor and a third brake, the rotation connecting seat is fixedly connected to the bottom end of the trolley frame through bolts, a lifting cantilever beam is horizontally and fixedly connected to the lower surface of the rotation connecting seat through a transmission shaft, the rotation motor is fixedly connected to the upper surface of the rotation connecting seat and positioned on one side of the trolley frame, the tail end of the rotation motor is connected with the third brake in a transmission manner, the output end of the rotation motor is connected with the third speed reducer through the shaft coupling in a transmission manner, and the output shaft of the third speed reducer penetrates through the rotation connecting seat and is horizontally and fixedly connected with a rotation pinion on one end of the lower surface of the rotation connecting seat, the meshing of gyration pinion horizontal direction is connected with the gyration gear wheel, the gyration gear wheel passes through bolt fixed connection at the gyration connecting seat and plays to rise on the transmission shaft between the cantilever beam, it has hoisting mechanism to play to rise the cantilever beam and keep away from rotation mechanism one end lower surface mounting, hoisting mechanism includes electric block and fourth stopper, electric block passes through bolt fixed connection and plays to rise on the cantilever beam side, the electric block output is connected with the fourth stopper through the shaft coupling transmission, fourth stopper output transmission is connected with the reel, the reel delivery outlet transmission is connected with the lifting hook.
The slewing trolley-type bridge crane disclosed in this patent document can lift heavy objects at different positions by rotating the lifting suspension arm, thereby phase-changing and enlarging the working range. However, the whole structure is quite complex, the matching degree of each part is high, the lifting object cannot be conveniently adjusted in any position and angle in the air, and the lifting operability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art's defect, provide a hoist of rotatory dolly in area, the utility model discloses a rotation mechanism and dolly running gear's cooperation is convenient for hang the thing and carry out the attitude adjustment of optional position and angle aloft, lifts by crane maneuverability good.
The utility model discloses a following technical scheme realizes:
the utility model provides a hoist of rotatory dolly in area, includes frame, hoisting mechanism, wire rope, fixed pulley group and running block, and hoisting mechanism and fixed pulley group are fixed in the frame, and wire rope winds on fixed pulley group and running block, its characterized in that: the device also comprises an external tooth type slewing bearing, a trolley frame and a trolley travelling mechanism arranged on the trolley frame, wherein the machine frame is provided with a slewing mechanism, the slewing mechanism comprises a slewing reducer, a transmission shaft, a pinion and a supporting sleeve, the supporting sleeve is arranged on the frame, the rotary speed reducer is arranged on the supporting sleeve, one end of the transmission shaft is connected with the output end of the rotary speed reducer through a spline, the other end of the transmission shaft is connected with the pinion through a spline, the rotary speed reducer drives the pinion to rotate through the transmission shaft, a supporting support is fixed on the trolley frame, a flange plate is arranged at the bottom of the frame and is connected with the inner ring of the outer tooth type slewing bearing through bolts, a gear is arranged on the outer side of the outer ring of the outer tooth type slewing bearing, the pinion is meshed with a gear of the external tooth type slewing bearing, and an outer ring of the external tooth type slewing bearing is connected with a flange plate of the supporting support through a bolt.
The hoisting mechanism comprises a motor, a coupler, a hoisting speed reducer, a winding drum and a bearing seat, a brake disc is installed on the coupler, the high-speed end of the hoisting speed reducer is connected with the motor through the coupler, one end of the winding drum is connected with the low-speed end of the hoisting speed reducer, the other end of the winding drum is installed on the bearing seat, one end of a steel wire rope is fixed on the winding drum, and the other end of the steel wire rope is fixed on the winding drum after being wound and connected through a fixed pulley block and a movable pulley block.
And the rack is fixedly connected with a brake, and the brake corresponds to a brake disc on the coupler.
The machine frame is detachably connected with a machine cover.
The lifting mechanism is two, and two winding drums in the two lifting mechanisms are symmetrically arranged along the center of the lifting point.
The working principle of the utility model is as follows:
when the lifting device is used, the motor rotates forwards and reversely, the high-speed shaft of the lifting speed reducer is driven by the coupler to drive the winding drum connected to the low-speed end of the lifting speed reducer to rotate, and a steel wire rope on the winding drum realizes the lifting and descending of a lifted object through the fixed pulley block and the movable pulley block; the rotary speed reducer of the rotary mechanism drives the pinion to rotate through the transmission shaft, and the pinion rotates and moves circularly around the external tooth type rotary support due to the fact that the gear of the external tooth type rotary support meshed with the pinion is fixed, and then the rack and the lifting mechanism are driven to rotate, and accordingly rotation of the hanging object is achieved.
The beneficial effects of the utility model are mainly expressed in the following aspect:
the utility model relates to a, the utility model discloses, be provided with rotation mechanism in the frame, rotation mechanism includes the rotary reduction gear, the transmission shaft, pinion and support cover, support cover installs in the frame, rotary reduction gear installs on support cover, the one end of transmission shaft is connected with rotary reduction gear's output through the spline, the other end of transmission shaft links to each other with the pinion through the spline, rotary reduction gear drives the pinion through the transmission shaft and rotates, be fixed with the support seat on the dolly frame, the frame bottom is provided with the ring flange, the ring flange passes through the bolt and is connected with the inner circle of outer tooth formula slewing bearing, outer tooth formula slewing bearing's the outer lane outside is provided with the gear, the pinion meshes with outer tooth formula slewing bearing's gear, outer tooth formula slewing bearing's outer lane passes through bolted connection with the ring flange of support seat, compared with the prior art, rotation mechanism's rotary reduction gear drives the pinion through the transmission shaft and rotates, because the gear of the external tooth type slewing bearing meshed with the pinion is fixed, the pinion can rotate and move circularly around the external tooth type slewing bearing, and then the rack and the lifting mechanism are driven to rotate, so that the rotation of the hoisted object is realized, and the trolley is driven to move by the trolley travelling mechanism, so that the hoisted object can be conveniently adjusted in posture at any position and angle in the air, and the hoisting operability is good.
Two, the utility model discloses, hoisting mechanism includes the motor, the shaft coupling, rise the reduction gear, reel and bearing frame, install the brake disc on the shaft coupling, it passes through the shaft coupling and links to each other with the motor to rise the high-speed end of reduction gear, the one end of reel links to each other with the low-speed end that rises the reduction gear, the other end of reel is installed on the bearing frame, wire rope's one end is fixed on the reel, wire rope's the other end is fixed on the reel through the fixed pulley group with the running pulley wiring after-lap, hoisting mechanism overall structure is comparatively simple, the running pulley group can directly be connected with hanging the thing, need not to increase extra hoist, the hoist and mount in adaptable narrow and small space, the adaptability and the commonality of hoist and mount are improved.
Thirdly, the utility model discloses, fixedly connected with stopper in the frame, the stopper is corresponding with the brake disc on the shaft coupling, is convenient for hang the braking of thing when rising to rise with the decline.
Fourth, the utility model discloses, detachable aircraft bonnet that is connected with in the frame can play good dustproof and rain-proof effect to hoisting mechanism and rotation mechanism.
Fifthly, the utility model discloses, hoisting mechanism is two, and two reels in two hoisting mechanism adopt two reels to arrange along hoisting point central symmetry, and the dolly can play certain anti-sway effect at the operation in-process, does benefit to the guarantee and lifts by crane the security.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments, wherein:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention with double drum;
the labels in the figure are: 1. the device comprises a frame, 2, a hoisting mechanism, 3, a steel wire rope, 4, a fixed pulley block, 5, a movable pulley block, 6, an external tooth type slewing bearing, 7, a trolley frame, 8, a trolley travelling mechanism, 9, a slewing mechanism, 10, a slewing reducer, 11, a transmission shaft, 12, a pinion, 13, a support sleeve, 14, a support base, 15, a gear, 16, a motor, 17, a coupler, 18, a hoisting reducer, 19, a winding drum, 20, a bearing seat, 21, a brake disc, 22, a brake, 23 and a hood.
Detailed Description
Example 1
Referring to fig. 1, a crane with a rotating trolley comprises a frame 1, a lifting mechanism 2, a steel wire rope 3, a fixed pulley block 4 and a movable pulley block 5, wherein the lifting mechanism 2 and the fixed pulley block 4 are fixed on the frame 1, the steel wire rope 3 is wound on the fixed pulley block 4 and the movable pulley block 5, the crane further comprises an external tooth type slewing bearing 6, a trolley frame 7 and a trolley travelling mechanism 8 arranged on the trolley frame 7, the frame 1 is provided with a slewing mechanism 9, the slewing mechanism 9 comprises a slewing reducer 10, a transmission shaft 11, a pinion 12 and a support sleeve 13, the support sleeve 13 is arranged on the frame 1, the slewing reducer 10 is arranged on the support sleeve 13, one end of the transmission shaft 11 is connected with an output end of the slewing reducer 10 through a spline, the other end of the transmission shaft 11 is connected with the pinion 12 through a spline, and the slewing reducer 10 drives the pinion 12 to rotate through the transmission shaft 11, a supporting support 14 is fixed on the trolley frame 7, a flange plate is arranged at the bottom of the rack 1 and connected with an inner ring of the outer tooth type slewing bearing 6 through bolts, a gear 15 is arranged on the outer side of an outer ring of the outer tooth type slewing bearing 6, the pinion 12 is meshed with the gear 15 of the outer tooth type slewing bearing 6, and the outer ring of the outer tooth type slewing bearing 6 is connected with the flange plate of the supporting support 14 through bolts.
In the most basic embodiment of the present invention, a rotating mechanism 9 is disposed on a frame 1, the rotating mechanism 9 includes a rotating speed reducer 10, a transmission shaft 11, a pinion 12 and a support sleeve 13, the support sleeve 13 is mounted on the frame 1, the rotating speed reducer 10 is mounted on the support sleeve 13, one end of the transmission shaft 11 is connected to an output end of the rotating speed reducer 10 through a spline, the other end of the transmission shaft 11 is connected to the pinion 12 through a spline, the rotating speed reducer 10 drives the pinion 12 to rotate through the transmission shaft 11, a support base 14 is fixed on a small vehicle frame 7, a flange is disposed at the bottom of the frame 1 and connected to an inner ring of an external-tooth-type rotating support 6 through a bolt, a gear 15 is disposed outside an outer ring of the external-tooth-type rotating support 6, the pinion 12 is engaged with the gear 15 of the external-tooth-type rotating support 6, the outer ring of the external-tooth-type rotating support 6 is connected to the flange of the support base 14 through a bolt, compared with the prior art, the rotation speed reducer 10 of the rotation mechanism 9 drives the pinion 12 to rotate through the transmission shaft 11, the pinion 12 rotates and moves circularly around the external tooth type slewing bearing 6 while being fixed by the gear 15 of the external tooth type slewing bearing 6 meshed with the pinion 12, and then the rack 1 and the lifting mechanism 2 are driven to rotate, so that the rotation of the hoisted object is realized, the trolley is driven to move through the trolley traveling mechanism 8, the posture of the hoisted object at any position and angle in the air is convenient to adjust, and the hoisting operability is good.
Example 2
Referring to fig. 1 and 2, a crane with a rotary trolley comprises a frame 1, a lifting mechanism 2, a steel wire rope 3, a fixed pulley block 4 and a movable pulley block 5, wherein the lifting mechanism 2 and the fixed pulley block 4 are fixed on the frame 1, the steel wire rope 3 is wound on the fixed pulley block 4 and the movable pulley block 5, the crane further comprises an external tooth type rotary support 6, a trolley frame 7 and a trolley travelling mechanism 8 arranged on the trolley frame 7, the frame 1 is provided with a rotary mechanism 9, the rotary mechanism 9 comprises a rotary speed reducer 10, a transmission shaft 11, a pinion 12 and a support sleeve 13, the support sleeve 13 is arranged on the frame 1, the rotary speed reducer 10 is arranged on the support sleeve 13, one end of the transmission shaft 11 is connected with the output end of the rotary speed reducer 10 through a spline, the other end of the transmission shaft 11 is connected with the pinion 12 through a spline, the rotary speed reducer 10 drives the pinion 12 to rotate through the transmission shaft 11, a supporting support 14 is fixed on the trolley frame 7, a flange plate is arranged at the bottom of the rack 1 and connected with an inner ring of the outer tooth type slewing bearing 6 through bolts, a gear 15 is arranged on the outer side of an outer ring of the outer tooth type slewing bearing 6, the pinion 12 is meshed with the gear 15 of the outer tooth type slewing bearing 6, and the outer ring of the outer tooth type slewing bearing 6 is connected with the flange plate of the supporting support 14 through bolts.
The hoisting mechanism 2 comprises a motor 16, a coupler 17, a hoisting reducer 18, a winding drum 19 and a bearing seat 20, a brake disc 21 is installed on the coupler 17, the high-speed end of the hoisting reducer 18 is connected with the motor 16 through the coupler 17, one end of the winding drum 19 is connected with the low-speed end of the hoisting reducer 18, the other end of the winding drum 19 is installed on the bearing seat 20, one end of the steel wire rope 3 is fixed on the winding drum 19, and the other end of the steel wire rope 3 is fixed on the winding drum 19 after being wound and connected through a fixed pulley block 4 and a movable pulley block 5.
The embodiment is a preferred embodiment, the hoisting mechanism 2 includes a motor 16, a coupler 17, a hoisting reducer 18, a winding drum 19 and a bearing seat 20, a brake disc 21 is installed on the coupler 17, a high-speed end of the hoisting reducer 18 is connected with the motor 16 through the coupler 17, one end of the winding drum 19 is connected with a low-speed end of the hoisting reducer 18, the other end of the winding drum 19 is installed on the bearing seat 20, one end of the steel wire rope 3 is fixed on the winding drum 19, the other end of the steel wire rope 3 is fixed on the winding drum 19 after being wound and connected with the movable pulley block 5 through the fixed pulley block 4, the overall structure of the hoisting mechanism 2 is simple, the movable pulley block 5 can be directly connected with a hoisted object, an additional hoisting tool is not needed, the hoisting tool is adaptable to hoisting in a narrow space, and the adaptability and universality of hoisting are improved.
Example 3
Referring to fig. 1 and 2, a crane with a rotary trolley comprises a frame 1, a lifting mechanism 2, a steel wire rope 3, a fixed pulley block 4 and a movable pulley block 5, wherein the lifting mechanism 2 and the fixed pulley block 4 are fixed on the frame 1, the steel wire rope 3 is wound on the fixed pulley block 4 and the movable pulley block 5, the crane further comprises an external tooth type rotary support 6, a trolley frame 7 and a trolley travelling mechanism 8 arranged on the trolley frame 7, the frame 1 is provided with a rotary mechanism 9, the rotary mechanism 9 comprises a rotary speed reducer 10, a transmission shaft 11, a pinion 12 and a support sleeve 13, the support sleeve 13 is arranged on the frame 1, the rotary speed reducer 10 is arranged on the support sleeve 13, one end of the transmission shaft 11 is connected with the output end of the rotary speed reducer 10 through a spline, the other end of the transmission shaft 11 is connected with the pinion 12 through a spline, the rotary speed reducer 10 drives the pinion 12 to rotate through the transmission shaft 11, a supporting support 14 is fixed on the trolley frame 7, a flange plate is arranged at the bottom of the rack 1 and connected with an inner ring of the outer tooth type slewing bearing 6 through bolts, a gear 15 is arranged on the outer side of an outer ring of the outer tooth type slewing bearing 6, the pinion 12 is meshed with the gear 15 of the outer tooth type slewing bearing 6, and the outer ring of the outer tooth type slewing bearing 6 is connected with the flange plate of the supporting support 14 through bolts.
The hoisting mechanism 2 comprises a motor 16, a coupler 17, a hoisting reducer 18, a winding drum 19 and a bearing seat 20, a brake disc 21 is installed on the coupler 17, the high-speed end of the hoisting reducer 18 is connected with the motor 16 through the coupler 17, one end of the winding drum 19 is connected with the low-speed end of the hoisting reducer 18, the other end of the winding drum 19 is installed on the bearing seat 20, one end of the steel wire rope 3 is fixed on the winding drum 19, and the other end of the steel wire rope 3 is fixed on the winding drum 19 after being wound and connected through a fixed pulley block 4 and a movable pulley block 5.
A brake 22 is fixedly connected to the frame 1, and the brake 22 corresponds to the brake disc 21 on the coupler 17.
In this embodiment, a brake 22 is fixedly connected to the frame 1, and the brake 22 corresponds to the brake disc 21 on the coupling 17, so as to facilitate braking of the hoisted object during lifting and lowering.
Example 4
Referring to fig. 1 and 2, a crane with a rotary trolley comprises a frame 1, a lifting mechanism 2, a steel wire rope 3, a fixed pulley block 4 and a movable pulley block 5, wherein the lifting mechanism 2 and the fixed pulley block 4 are fixed on the frame 1, the steel wire rope 3 is wound on the fixed pulley block 4 and the movable pulley block 5, the crane further comprises an external tooth type rotary support 6, a trolley frame 7 and a trolley travelling mechanism 8 arranged on the trolley frame 7, the frame 1 is provided with a rotary mechanism 9, the rotary mechanism 9 comprises a rotary speed reducer 10, a transmission shaft 11, a pinion 12 and a support sleeve 13, the support sleeve 13 is arranged on the frame 1, the rotary speed reducer 10 is arranged on the support sleeve 13, one end of the transmission shaft 11 is connected with the output end of the rotary speed reducer 10 through a spline, the other end of the transmission shaft 11 is connected with the pinion 12 through a spline, the rotary speed reducer 10 drives the pinion 12 to rotate through the transmission shaft 11, a supporting support 14 is fixed on the trolley frame 7, a flange plate is arranged at the bottom of the rack 1 and connected with an inner ring of the outer tooth type slewing bearing 6 through bolts, a gear 15 is arranged on the outer side of an outer ring of the outer tooth type slewing bearing 6, the pinion 12 is meshed with the gear 15 of the outer tooth type slewing bearing 6, and the outer ring of the outer tooth type slewing bearing 6 is connected with the flange plate of the supporting support 14 through bolts.
The hoisting mechanism 2 comprises a motor 16, a coupler 17, a hoisting reducer 18, a winding drum 19 and a bearing seat 20, a brake disc 21 is installed on the coupler 17, the high-speed end of the hoisting reducer 18 is connected with the motor 16 through the coupler 17, one end of the winding drum 19 is connected with the low-speed end of the hoisting reducer 18, the other end of the winding drum 19 is installed on the bearing seat 20, one end of the steel wire rope 3 is fixed on the winding drum 19, and the other end of the steel wire rope 3 is fixed on the winding drum 19 after being wound and connected through a fixed pulley block 4 and a movable pulley block 5.
A brake 22 is fixedly connected to the frame 1, and the brake 22 corresponds to the brake disc 21 on the coupler 17.
A hood 23 is detachably connected to the frame 1.
In this embodiment, a cover 23 is detachably connected to the frame 1, so that the hoisting mechanism 2 and the swing mechanism 9 can be protected from dust and rain.
Example 5
Referring to fig. 1 and 2, a crane with a rotary trolley comprises a frame 1, a lifting mechanism 2, a steel wire rope 3, a fixed pulley block 4 and a movable pulley block 5, wherein the lifting mechanism 2 and the fixed pulley block 4 are fixed on the frame 1, the steel wire rope 3 is wound on the fixed pulley block 4 and the movable pulley block 5, the crane further comprises an external tooth type rotary support 6, a trolley frame 7 and a trolley travelling mechanism 8 arranged on the trolley frame 7, the frame 1 is provided with a rotary mechanism 9, the rotary mechanism 9 comprises a rotary speed reducer 10, a transmission shaft 11, a pinion 12 and a support sleeve 13, the support sleeve 13 is arranged on the frame 1, the rotary speed reducer 10 is arranged on the support sleeve 13, one end of the transmission shaft 11 is connected with the output end of the rotary speed reducer 10 through a spline, the other end of the transmission shaft 11 is connected with the pinion 12 through a spline, the rotary speed reducer 10 drives the pinion 12 to rotate through the transmission shaft 11, a supporting support 14 is fixed on the trolley frame 7, a flange plate is arranged at the bottom of the rack 1 and connected with an inner ring of the outer tooth type slewing bearing 6 through bolts, a gear 15 is arranged on the outer side of an outer ring of the outer tooth type slewing bearing 6, the pinion 12 is meshed with the gear 15 of the outer tooth type slewing bearing 6, and the outer ring of the outer tooth type slewing bearing 6 is connected with the flange plate of the supporting support 14 through bolts.
The hoisting mechanism 2 comprises a motor 16, a coupler 17, a hoisting reducer 18, a winding drum 19 and a bearing seat 20, a brake disc 21 is installed on the coupler 17, the high-speed end of the hoisting reducer 18 is connected with the motor 16 through the coupler 17, one end of the winding drum 19 is connected with the low-speed end of the hoisting reducer 18, the other end of the winding drum 19 is installed on the bearing seat 20, one end of the steel wire rope 3 is fixed on the winding drum 19, and the other end of the steel wire rope 3 is fixed on the winding drum 19 after being wound and connected through a fixed pulley block 4 and a movable pulley block 5.
A brake 22 is fixedly connected to the frame 1, and the brake 22 corresponds to the brake disc 21 on the coupler 17.
A hood 23 is detachably connected to the frame 1.
The number of the hoisting mechanisms 2 is two, and two winding drums 19 in the two hoisting mechanisms 2 are symmetrically arranged along the center of a hoisting point.
The embodiment is the best implementation mode, the number of the hoisting mechanisms 2 is two, the two winding drums 19 in the two hoisting mechanisms 2 are symmetrically arranged along the center of the hoisting point, the double winding drums 19 are arranged, the trolley can play a certain role in preventing shaking in the running process, and the hoisting safety can be guaranteed.
Claims (5)
1. The utility model provides a hoist of rotatory dolly in area, includes frame (1), hoisting mechanism (2), wire rope (3), standing block (4) and running block (5), and hoisting mechanism (2) and standing block (4) are fixed in frame (1), and wire rope (3) are around connecting on standing block (4) and running block (5), its characterized in that: the trolley is characterized by further comprising an outer gear type slewing bearing (6), a trolley frame (7) and a trolley travelling mechanism (8) installed on the trolley frame (7), wherein a slewing mechanism (9) is arranged on the rack (1), the slewing mechanism (9) comprises a slewing reducer (10), a transmission shaft (11), a pinion (12) and a support sleeve (13), the support sleeve (13) is installed on the rack (1), the slewing reducer (10) is installed on the support sleeve (13), one end of the transmission shaft (11) is connected with the output end of the slewing reducer (10) through a spline, the other end of the transmission shaft (11) is connected with the pinion (12) through a spline, the slewing reducer (10) drives the pinion (12) to rotate through the transmission shaft (11), a support (14) is fixed on the trolley frame (7), a flange plate is arranged at the bottom of the rack (1), and is connected with the inner ring of the outer gear type slewing bearing (6) through a bolt, and a gear (15) is arranged on the outer side of the outer ring of the outer tooth type slewing bearing (6), the pinion (12) is meshed with the gear (15) of the outer tooth type slewing bearing (6), and the outer ring of the outer tooth type slewing bearing (6) is connected with a flange plate of the support (14) through a bolt.
2. A crane with a rotating trolley according to claim 1, characterized in that: hoisting mechanism (2) are including motor (16), shaft coupling (17), play to rise reduction gear (18), reel (19) and bearing frame (20), install brake disc (21) on shaft coupling (17), the high-speed end that plays to rise reduction gear (18) passes through shaft coupling (17) and links to each other with motor (16), the one end of reel (19) links to each other with the low-speed end that plays to rise reduction gear (18), the other end of reel (19) is installed on bearing frame (20), the one end of wire rope (3) is fixed on reel (19), the other end of wire rope (3) is fixed on reel (19) through fixed pulley group (4) and movable pulley group (5) wiring back.
3. A crane with a rotating trolley according to claim 2, characterized in that: the brake (22) is fixedly connected to the rack (1), and the brake (22) corresponds to the brake disc (21) on the coupler (17).
4. A crane with a rotating trolley according to claim 1, characterized in that: the machine frame (1) is detachably connected with a machine cover (23).
5. A crane with a rotating trolley according to claim 2, characterized in that: the number of the hoisting mechanisms (2) is two, and two winding drums (19) in the two hoisting mechanisms (2) are symmetrically arranged along the center of a hoisting point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023229946.5U CN214456285U (en) | 2020-12-29 | 2020-12-29 | Crane with rotary trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023229946.5U CN214456285U (en) | 2020-12-29 | 2020-12-29 | Crane with rotary trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214456285U true CN214456285U (en) | 2021-10-22 |
Family
ID=78195728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023229946.5U Active CN214456285U (en) | 2020-12-29 | 2020-12-29 | Crane with rotary trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214456285U (en) |
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2020
- 2020-12-29 CN CN202023229946.5U patent/CN214456285U/en active Active
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