CN112429652A - Gantry crane with stable rotating bearing - Google Patents
Gantry crane with stable rotating bearing Download PDFInfo
- Publication number
- CN112429652A CN112429652A CN202011205447.4A CN202011205447A CN112429652A CN 112429652 A CN112429652 A CN 112429652A CN 202011205447 A CN202011205447 A CN 202011205447A CN 112429652 A CN112429652 A CN 112429652A
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- Prior art keywords
- rope
- rod
- ring
- gear
- bearing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/18—Travelling gear incorporated in or fitted to trolleys or cranes with means for locking trolleys or cranes to runways or tracks to prevent inadvertent movements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a portal crane with stable rotation bearing capacity, which comprises a beam rail and a rope collecting moving device, wherein the rope collecting moving device is provided with a roller fixing device, a rope anti-shaking structure is arranged below the beam rail and consists of a sliding block, a first circular ring, a connecting rod, a second circular ring, a circular ring block, a hydraulic shock absorption rod, a first spring and a second limiting ring, and when the crane needs to perform fixed hoisting task operation, the roller below the rope collecting moving device can be fixed by an inclined plate through the roller fixing device, so that the rope collecting moving device cannot move, the smooth completion of the hoisting task is ensured, and meanwhile, the gantry crane is stable in bearing capacity and cannot shake in the hoisting process; through having set up the rope and prevented rocking the structure for the hoist is carrying out the in-process of punctiform operation, and the goods produces and rocks, leads to the rope to rock, and the rope is prevented rocking the structure and can be effectually slowed down the rope and rock the delivery that leads to the hoist and bear stability.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a portal crane with stable rotation bearing.
Background
A gantry crane (also called a gantry crane) is a bridge crane in which a bridge is supported on a ground rail by legs at both sides. Structurally, the crane consists of a portal frame, a cart running mechanism, a hoisting trolley, an electric part and the like. Some gantry cranes have legs on one side only, and the other side is supported on a factory or a trestle to run, and are called semi-gantry cranes. The gantry crane comprises a gantry upper bridge (comprising a main beam and an end beam), supporting legs, a lower cross beam and the like. In order to enlarge the operation range of the crane, the main beam can extend out of the supporting legs to one side or two sides to form a cantilever. The crane can also adopt a crane trolley with an arm support, and the operation range of the crane is expanded through the pitching and the rotating of the arm support.
When hoisting operation is carried out to miniature hoist, can make receipts rope mobile device above the crossbeam track to rock because rocking of goods for the gyro wheel takes place the position and removes, thereby makes hoist produce and rocks, and on the other hand goods can drive the rope and rock when rocking, and the rope rocks and to make the rope produce wearing and tearing, influences life.
Therefore, the invention provides a portal crane with stable rotation and bearing for solving the problems.
Disclosure of Invention
The invention aims to provide a portal crane with stable rotation bearing, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a portal crane with stable rotation bearing comprises a beam rail and a rope collecting moving device, wherein two ends of the beam rail are provided with supporting frames, the beam rail is provided with the rope collecting moving device, rollers are arranged below the rope collecting moving device, one side of the rope collecting moving device is vertically welded with a supporting plate, the supporting plate is provided with a roller fixing device, the supporting plate provides support for the roller fixing device, when a starter is used for fixing and hoisting operation, the roller fixing device can fix the rollers of the crane, so that the rope collecting moving device cannot move in position, and the hoisting operation is guaranteed to be smoothly completed, the roller fixing device comprises a rotating shaft, a first gear, a second gear, a bearing rod, a first ratchet wheel, a second ratchet wheel, a threaded rod, a transverse rod, a bearing, a cylindrical rod and a supporting block, the rotating shaft is fixedly provided with the first gear, and the second gear is arranged on the first gear, the second gear is vertically welded at one end of the bearing rod, the second gear is meshed with the first gear, the bearing rod is installed on a supporting block, the supporting block is vertically welded on the supporting plate, the other end of the bearing rod is provided with a first ratchet wheel, one side of the first ratchet wheel is provided with a second ratchet wheel, the second ratchet wheel is installed at one end of the cylindrical rod, the cylindrical rod is vertically welded on the supporting plate, the first ratchet wheel and the second ratchet wheel are meshed with each other, one side of the cylindrical rod is provided with a threaded rod, the threaded rod penetrates through a threaded hole formed in the supporting plate, a cross rod is arranged below the supporting plate, two ends of the cross rod are vertically welded with supporting columns, the lower end of each supporting column is provided with an inclined plate, the inclined plate is movably connected with the supporting columns;
the rope anti-shaking structure is by the slider, first ring, the connecting rod, the second ring, the ring piece, hydraulic shock absorber rod, first spring and second spacing ring are constituteed, the perpendicular welding in one side of first ring has the connecting rod, the perpendicular welding in one side of connecting rod is at the lower surface of receipts rope mobile device, be equipped with the second ring in the first ring, be equipped with hydraulic shock absorber rod between second ring and the first ring, the both ends welding of hydraulic shock absorber rod has ring piece and second spacing ring, the welding in one side of second ring of ring piece, the welding in the inboard of first ring of second spacing ring, first spring has been worn on the hydraulic shock absorber rod, at the in-process of carrying out the hoist and mount operation, if the goods takes place to rock, can drive the rope and rock together, hydraulic shock absorber rod and first spring can effectually slow down the rope to self and whole hoist's harm.
Preferably, a rope groove is formed in the middle of the cross beam rail, the rope groove provides a rail space for the left and right movement of a rope, rail grooves are formed in two sides of the cross beam rail, rollers are placed in the rail grooves, the rollers are totally four groups, and the four groups of rollers enable the crane to be more stable in the operation process.
Preferably, the hydraulic shock absorption rods are provided with eight groups, and the eight groups are arranged between the second circular ring and the first circular ring in a circular array.
Preferably, the lower end of the second ratchet wheel is integrally provided with a third gear, the upper end of the threaded rod is integrally provided with a fourth gear, and the third gear is meshed with the fourth gear.
Preferably, the lower extreme of threaded rod is equipped with the installation bearing, and the lower extreme vertical welding of bearing is on the horizontal pole, and the bearing makes the threaded rod in the in-process that goes up the decline, only can drive and carry out the up-and-down motion on the horizontal pole, can not drive the horizontal pole and rotate.
Compared with the prior art, the invention has the beneficial effects that:
1. through the roller fixing device, when the crane needs to perform fixed hoisting task operation, the inclined plate can fix the rollers below the rope collecting moving device, so that the rope collecting moving device cannot move, the smooth completion of the hoisting task is ensured, and meanwhile, the crane is stable in bearing and cannot shake in the hoisting process;
2. through having set up the rope and prevented rocking the structure for the hoist is carrying out the in-process of punctiform operation, and the goods produces and rocks, leads to the rope to rock, and the rope is prevented rocking the structure and can be effectually slowed down the rope and rock the delivery that leads to the hoist and bear stability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a beam track configuration;
FIG. 3 is a schematic structural diagram of a part of a gantry crane with stable rotation and bearing;
FIG. 4 is a front view of a part of a gantry crane with stable rotation and bearing;
FIG. 5 is an exploded view of the roller fixing device;
FIG. 6 is an enlarged view of the structure at A;
FIG. 7 is a perspective view of a rope sway prevention arrangement;
fig. 8 is an exploded view of a rope sway prevention structure.
In the figure: the rope winding device comprises a support frame 1, a cross beam rail 2, a rail groove 21, a rope groove 22, a rope winding moving device 3, a roller fixing device 4, a rotating shaft 401, a first gear 402, a second gear 403, a bearing rod 404, a first ratchet 405, a second ratchet 406, a threaded rod 407, a cross rod 409, a bearing 410, a cylindrical rod 411, a supporting block 412, a roller 5, a rope anti-shaking structure 6, a first ring 62, a connecting rod 63, a second ring 64, a ring block 65, a hydraulic shock absorption rod 66, a first spring 67, a second limiting ring 68, a rope 7, a supporting plate 8, a supporting column 9, an inclined plate 10, a second spring 11 and a cylindrical pin 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: a portal crane capable of bearing stably in rotation comprises a beam rail 2 and a rope collecting moving device 3, wherein supporting frames 1 are installed at two ends of the beam rail 2, the rope collecting moving device 3 is arranged on the beam rail 2, a roller 5 is installed below the rope collecting moving device 3, a supporting plate 8 is vertically welded at one side of the rope collecting moving device 3, the supporting plate 8 is provided with a roller fixing device 4, the supporting plate 8 provides support for the roller fixing device 4, when a starter is used for fixing and hoisting operation, the roller fixing device 4 can fix the roller 5 of the crane, so that the rope collecting moving device 3 cannot move, smooth completion of the hoisting operation is guaranteed, the roller fixing device 4 comprises a rotating shaft 401, a first gear 402, a second gear 403, a bearing rod 404, a first ratchet 405, a second ratchet 406, a threaded rod 407, a cross rod 409, a bearing 410, a cylindrical rod 411 and a supporting block 412, a first gear 402 is fixedly installed on the rotating shaft 401, a second gear 403 is arranged on the first gear 402, the second gear 403 is vertically welded at one end of a bearing rod 404, the second gear 403 and the first gear 402 are meshed with each other, the bearing rod 404 is installed on a supporting block 412, the supporting block 412 is vertically welded on the supporting plate 8, a first ratchet wheel 405 is installed at the other end of the bearing rod 404, a second ratchet wheel 406 is arranged at one side of the first ratchet wheel 405, the second ratchet wheel 406 is installed at one end of a cylindrical rod 411, the cylindrical rod 411 is vertically welded on the supporting plate 8, the first ratchet wheel 405 and the second ratchet wheel 406 are meshed with each other, a threaded rod 407 is arranged at one side of the cylindrical rod 411, the threaded rod 407 penetrates through a threaded hole formed in the supporting plate 8, a cross rod 409 is arranged below the supporting plate 8, supporting columns 9 are vertically welded at two ends of the cross rod 409, an inclined, a second spring 11 is connected between the inclined plate 10 and the supporting column 9, and a rope anti-shaking structure 6 is arranged below the beam track 2;
the rope anti-shaking structure 6 comprises a first circular ring 62, a connecting rod 63, a second circular ring 64, a circular ring block 65, a hydraulic shock-absorbing rod 66, a first spring 67 and a second limiting ring 68, wherein the connecting rod 63 is perpendicularly welded on one side of the first circular ring 62, one end of the connecting rod 63 is perpendicularly welded on the lower surface of the rope-collecting moving device 3, the second circular ring 64 is arranged in the first circular ring 62, the hydraulic shock-absorbing rod 66 is arranged between the second circular ring 64 and the first circular ring 62, the circular ring block 65 and the second limiting ring 68 are welded on two ends of the hydraulic shock-absorbing rod 66, the circular ring block 65 is welded on one side of the second circular ring 64, the second limiting ring 68 is welded on the inner side of the first circular ring 62, the first spring 67 penetrates through the hydraulic shock-absorbing rod 66, in the process of carrying out the hoist and mount operation, if the goods takes place to rock, can drive rope 7 and rock together, hydraulic shock absorber pole 66 and first spring 67 can effectually slow down the harm of rope 7 to self and whole hoist.
Furthermore, a rope groove 22 is formed in the middle of the cross beam rail 2, the rope groove 22 provides a rail space for the left and right movement of the rope 7, rail grooves 21 are formed in two sides of the cross beam rail 2, rollers 5 are placed in the rail grooves 21, the rollers 5 are totally four groups, and the crane can be more stable in the operation process due to the four groups of rollers 5.
Further, the hydraulic shock-absorbing rods 66 are provided in eight groups in a circular array between the second ring 64 and the first ring 62.
Furthermore, a third gear is integrally arranged at the lower end of the second ratchet 406, a fourth gear is integrally arranged at the upper end of the threaded rod 407, and the third gear and the fourth gear are meshed with each other.
Further, the lower end of the threaded rod 407 is provided with a mounting bearing 410, the lower end of the bearing 410 is vertically welded on the cross rod 409, and the bearing 410 only drives the cross rod 409 to move up and down and does not drive the cross rod 409 to rotate in the process that the threaded rod 407 ascends and descends.
The working principle is as follows: when the crane is used for hoisting, the rope-collecting moving device 3 moves on the beam rail 2, when the rope-collecting moving device 3 starts to hoist the goods, the rope 7 pulls the goods upwards, in order to prevent the rope-collecting moving device 3 from moving in the process of lifting the goods, the roller 5 is locked, the driving motor of the rotating shaft 401 is started, the rotating shaft 401 rotates clockwise, the rotating shaft 401 drives the first gear 402 to rotate, the first gear 402 drives the second gear 403, the second gear 403 drives the first ratchet 405 to rotate, the first ratchet 405 drives the second ratchet 406 and the threaded rod 407 to rotate, the threaded rod 407 rotates in the threaded hole of the supporting plate 8, the threaded rod 407 drives the cross rod 409 downwards, the cross rod 409 drives the supporting column 9 downwards, the inclined plate 10 starts to contact with the rail groove 21, the supporting column 9 continues to downwards, and then the inclined plate 10 is under pressure, with the angle of the bottom of support column 9 expansion, second spring 11 is stretched, when the bottom of support column 9 contacts the track groove 21 bottom surface, gyro wheel 5 is blocked by swash plate 10, receive rope mobile device 3 this moment and be fixed, when hoist and mount operation and when accomplishing, driving motor drives pivot 401 reversal, swash plate 10 is upwards, second spring 11 contracts simultaneously, gyro wheel 5's fixed is relieved, if at the in-process of hoist and mount operation, the rope anticreep rock structure will play a role, the goods drives rope 7 and rocks, rope 7 can produce the extrusion force to second ring 64 this moment, second ring 64 can produce pressure to hydraulic shock absorber pole 66, hydraulic shock absorber pole 66 can slow down the pressure that rope 7 rocked the production, it rocks the emergence that leads to the accident to have placed rope 7.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a rotate and bear stable gantry crane, includes crossbeam track (2) and receipts rope mobile device (3), its characterized in that: the rope winding device is characterized in that support frames (1) are installed at two ends of a beam rail (2), a rope winding moving device (3) is arranged on the beam rail (2), rollers (5) are installed below the rope winding moving device (3), a support plate (8) is vertically welded on one side of the rope winding moving device (3), a roller fixing device (4) is arranged on the support plate (8), the roller fixing device (4) is composed of a rotating shaft (401), a first gear (402), a second gear (403), a bearing rod (404), a first ratchet wheel (405), a second ratchet wheel (406), a threaded rod (407), a cross rod (409), a bearing (410), a cylindrical rod (411) and a support block (412), the rotating shaft (401) is fixedly provided with the first gear (402), the first gear (402) is provided with the second gear (403), the second gear (403) is vertically welded at one end of the bearing rod (404), and the second gear (403) is meshed with the first gear (402), the bearing rod (404) is installed on the supporting block (412), the supporting block (412) is vertically welded on the supporting plate (8), a first ratchet wheel (405) is installed at the other end of the bearing rod (404), a second ratchet wheel (406) is arranged on one side of the first ratchet wheel (405), the second ratchet wheel (406) is installed at one end of the cylindrical rod (411), the cylindrical rod (411) is vertically welded on the supporting plate (8), the first ratchet wheel (405) and the second ratchet wheel (406) are meshed with each other, a threaded rod (407) is arranged on one side of the cylindrical rod (411), the threaded rod (407) penetrates through a threaded hole formed in the supporting plate (8), a cross rod (409) is arranged below the supporting plate (8), supporting columns (9) are vertically welded at two ends of the cross rod (409), an inclined plate (10) is arranged at the lower ends of the supporting columns (9), the inclined plate (10) is movably connected with the supporting columns (9) through cylindrical pins, and, a rope anti-shaking structure (6) is arranged below the beam rail (2);
the rope anti-shaking structure (6) consists of a slide block (61), a first circular ring (62), a connecting rod (63), a second circular ring (64), a circular ring block (65), a hydraulic shock-absorbing rod (66), a first spring (67) and a second limiting ring (68), one side vertical welding of first ring (62) has connecting rod (63), the one end vertical welding of connecting rod (63) is at the lower surface of receipts rope mobile device (3), be equipped with second ring (64) in first ring (62), be equipped with hydraulic shock absorber pole (66) between second ring (64) and first ring (62), the both ends welding of hydraulic shock absorber pole (66) has ring piece (65) and second spacing ring (68), ring piece (65) welding is in one side of second ring (64), second spacing ring (68) welding is in the inboard of first ring (62), first spring (67) has been worn on hydraulic shock absorber pole (66).
2. A slewing bearing stabilized gantry crane according to claim 1, wherein: the middle of the cross beam track (2) is provided with a rope groove (22), two sides of the cross beam track (2) are provided with track grooves (21), rollers (5) are placed in the track grooves (21), and the rollers (5) are totally four groups.
3. A slewing bearing stabilized gantry crane according to claim 1, wherein: the hydraulic shock absorption rods (66) are provided with eight groups, and the eight groups are arranged between the second circular ring (64) and the first circular ring (62) in a circular array.
4. A slewing bearing stabilized gantry crane according to claim 1, wherein: the lower end of the second ratchet wheel (406) is integrally provided with a third gear, the upper end of the threaded rod (407) is integrally provided with a fourth gear, and the third gear is meshed with the fourth gear.
5. A slewing bearing stabilized gantry crane according to claim 1, wherein: the lower end of the threaded rod (407) is provided with a mounting bearing (410), and the lower end of the bearing (410) is vertically welded on the cross rod (409).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011205447.4A CN112429652A (en) | 2020-11-02 | 2020-11-02 | Gantry crane with stable rotating bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011205447.4A CN112429652A (en) | 2020-11-02 | 2020-11-02 | Gantry crane with stable rotating bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112429652A true CN112429652A (en) | 2021-03-02 |
Family
ID=74696626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011205447.4A Withdrawn CN112429652A (en) | 2020-11-02 | 2020-11-02 | Gantry crane with stable rotating bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112429652A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960559A (en) * | 2021-04-25 | 2021-06-15 | 李培峨 | Resonance-resistant double-beam conveying device of crane |
| CN113291982A (en) * | 2021-06-17 | 2021-08-24 | 葛云峰 | Bridge hoisting device |
| CN113460883A (en) * | 2021-08-18 | 2021-10-01 | 安徽春华智能科技有限公司 | Metallurgical crane slewing mechanism |
| CN113620184A (en) * | 2021-08-10 | 2021-11-09 | 中交二公局第六工程有限公司 | Prefabricated part gantry hoisting device and using method |
| CN114572852A (en) * | 2022-02-17 | 2022-06-03 | 山东神州机械有限公司 | Bridge crane with maintenance function |
-
2020
- 2020-11-02 CN CN202011205447.4A patent/CN112429652A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960559A (en) * | 2021-04-25 | 2021-06-15 | 李培峨 | Resonance-resistant double-beam conveying device of crane |
| CN112960559B (en) * | 2021-04-25 | 2023-06-16 | 马尼托瓦克起重设备(中国)有限公司 | Anti-resonance type crane double-beam conveying device |
| CN113291982A (en) * | 2021-06-17 | 2021-08-24 | 葛云峰 | Bridge hoisting device |
| CN113291982B (en) * | 2021-06-17 | 2022-06-14 | 葛云峰 | Bridge hoisting device |
| CN113620184A (en) * | 2021-08-10 | 2021-11-09 | 中交二公局第六工程有限公司 | Prefabricated part gantry hoisting device and using method |
| CN113460883A (en) * | 2021-08-18 | 2021-10-01 | 安徽春华智能科技有限公司 | Metallurgical crane slewing mechanism |
| CN113460883B (en) * | 2021-08-18 | 2023-11-28 | 安徽江河智能装备集团有限公司 | Rotation mechanism of metallurgical crane |
| CN114572852A (en) * | 2022-02-17 | 2022-06-03 | 山东神州机械有限公司 | Bridge crane with maintenance function |
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Application publication date: 20210302 |