CN222846280U - A lifting mechanism of double-beam bridge crane - Google Patents
A lifting mechanism of double-beam bridge crane Download PDFInfo
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- CN222846280U CN222846280U CN202421945798.2U CN202421945798U CN222846280U CN 222846280 U CN222846280 U CN 222846280U CN 202421945798 U CN202421945798 U CN 202421945798U CN 222846280 U CN222846280 U CN 222846280U
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- bridge body
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Abstract
本实用新型公开了一种双梁桥式起重机提升机构，属于起重机技术领域，一种双梁桥式起重机提升机构，包括第一梁桥本体和第二梁桥本体，所述第一梁桥本体与所述第二梁桥本体的根部上表面均安装有导轨，所述第一梁桥本体与所述第二梁桥本体之间的中线下方设置有第一连接座，所述第一连接座的上表面中部焊接有连接架，所述连接架的顶端通过轴承转动连接有传动轴，所述传动轴的两端均安装有与所述导轨滚动连接的滚轮，所述传动轴的外壁安装有从动锥齿轮，它有效的解决了丝杠传送的缺点问题，以保证提升机构能够正常的对货物进行起吊运转。
The utility model discloses a lifting mechanism of a double-beam bridge crane, which belongs to the technical field of cranes. The lifting mechanism of a double-beam bridge crane comprises a first beam bridge body and a second beam bridge body, guide rails are installed on the root upper surfaces of the first beam bridge body and the second beam bridge body, a first connecting seat is arranged below the center line between the first beam bridge body and the second beam bridge body, a connecting frame is welded on the middle part of the upper surface of the first connecting seat, the top end of the connecting frame is rotatably connected to a transmission shaft through a bearing, rollers rollingly connected to the guide rails are installed at both ends of the transmission shaft, a driven bevel gear is installed on the outer wall of the transmission shaft, which effectively solves the shortcomings of screw transmission to ensure that the lifting mechanism can normally lift and operate the goods.
Description
Technical Field
The utility model relates to the technical field of cranes, in particular to a lifting mechanism of a double-beam bridge crane.
Background
The double-beam crane generally refers to a double-beam bridge crane, the double-beam crane generally consists of three parts of mechanical, electrical and metal structures, the bridge crane is shaped like a single-span flat slab bridge with two ends supported on two parallel overhead rails for translational operation, and the double-beam crane is widely applied to departments and places such as indoor and outdoor industrial and mining enterprises, steel chemical industry, railway traffic, port and dock, logistics turnover and the like.
The utility model provides an electronic double beam bridge crane, including bridge body one in the patent grant number CN219217343U, bridge body two are installed to bridge body one's side, the surface engagement of bridge body two is installed to bridge body moving mechanism, buffer gear is installed to the side of bridge, electric hoist is installed to the lower extreme of bridge, the lifting rope is installed to the lower extreme of electric hoist, the lifting hook is installed to the lower extreme of lifting rope, can promote the stability of bridge in the process of moving, thereby guarantee to can guarantee its stability when handling to reduce its potential safety hazard, in addition, this mechanism is through setting up drive assembly, this subassembly drives the gear wheel through the pinion and rotates, drive lead screw one and lead screw two that can be more laborsaving rotate.
However, in the patent No. CN219217343U, the transmission is performed through a screw, and in the process of long-distance transmission, impact vibration and excessive instantaneous load easily cause the screw to break, so that the normal operation of the crane is affected, so we propose a lifting mechanism of a double-beam bridge crane to solve the above-mentioned problems.
Disclosure of utility model
1. Technical problem to be solved
Aiming at the problems in the prior art, the utility model aims to provide a lifting mechanism of a double-beam bridge crane, which effectively solves the problem of the defects of screw rod transmission so as to ensure that the lifting mechanism can normally lift cargoes.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme.
The lifting mechanism of the double-beam bridge crane comprises a first beam bridge body and a second beam bridge body, wherein guide rails are arranged on the upper surfaces of the root parts of the first beam bridge body and the second beam bridge body;
A first connecting seat is arranged below a central line between the first beam bridge body and the second beam bridge body, a connecting frame is welded in the middle of the upper surface of the first connecting seat, the top end of the connecting frame is rotationally connected with a transmission shaft through a bearing, rollers in rolling connection with the guide rail are arranged at two ends of the transmission shaft, and a driven bevel gear is arranged on the outer wall of the transmission shaft;
A speed reduction motor fixedly connected with the first connecting seat is arranged at one side of the root of the connecting frame, and a driving bevel gear meshed with the driven bevel gear is arranged at the power output end of the speed reduction motor;
The electric hoist is characterized in that an electric hoist is mounted on the lower surface of the first connecting seat, a lifting rope is mounted at the transmission end of the electric hoist, and a lifting hook is connected to the end part of the lifting rope.
Further, the root part of the connecting frame far away from the speed reducing motor is rotationally connected with a shaft lever through a bearing;
the end part of the shaft lever is welded with a mounting seat, and the end part of the upper surface of the mounting seat is fixedly connected with a first connecting shaft through a bracket;
The lower surface end of mount pad is provided with the breach, just the inboard fixedly connected with second connecting axle of breach.
Further, the first connecting shaft is rotationally connected with a second connecting seat, the top end of the second connecting seat is connected with a mounting plate, and a brake block is mounted on the upper surface of the mounting plate.
Further, a wear-resistant ceramic plate is arranged at the bottom of the first beam bridge body corresponding to the brake block.
Further, a third connecting shaft fixedly connected with the first connecting seat through a bracket is arranged below the second connecting shaft, and a double-acting air cylinder is arranged between the third connecting shaft and the second connecting shaft.
Furthermore, the connecting lugs are arranged at the two ends of the double-acting cylinder, and the connecting lugs are respectively connected with the third connecting shaft and the second connecting shaft in a rotating mode.
Further, a damping rubber sleeve is sleeved on the outer side of the first connecting shaft, and the damping rubber sleeve is abutted to the second connecting seat.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
(1) According to the scheme, the goods are hung by the lifting hook arranged at the bottom end of the lifting rope, then the goods are lifted by the electric hoist by winding the lifting rope, the driving bevel gear is driven to rotate by the power output end of the gear motor, and the driving bevel gear is meshed with the driven bevel gear, so that the transmission shaft is driven to rotate by being matched with the connecting frame, the idler wheel is driven to roll by being matched with the guide rail, the lifted goods are translated, the defect of screw rod transmission is effectively solved, and the lifting operation of the lifting mechanism to the goods can be guaranteed to be normal.
(2) According to the scheme, the double-acting cylinder is externally connected with the pneumatic control equipment, the pneumatic control equipment is utilized to control the expansion and contraction of the movable end of the double-acting cylinder, after goods are hoisted and moved to a specified position, the movable end of the double-acting cylinder contracts, the shaft rod is matched with the connecting frame to rotate, the mounting plate moves upwards, meanwhile, the second connecting seat is matched with the first connecting shaft to rotate, the brake block is abutted with the wear-resistant ceramic plate, the first connecting seat is braked, the first connecting seat is prevented from continuously moving under the action of inertia, and the goods are placed at the specified position.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a first connecting seat according to the present utility model;
FIG. 3 is a schematic front view of the mounting base of the present utility model;
FIG. 4 is a schematic view, partially in section, of a mounting base A-A of the present utility model;
fig. 5 is a schematic structural view of the wear-resistant ceramic sheet of the present utility model.
The reference numerals in the figures illustrate:
1. The first beam bridge comprises a first beam bridge body, a second beam bridge body, a guide rail, a first connecting seat, a second connecting seat, a connecting frame, a driven bevel gear, a speed reducing motor, a driving bevel gear, an electric hoist, a lifting rope, a lifting hook, a mounting seat, a first connecting shaft, a damping rubber sleeve, a mounting plate, a second connecting seat, a brake block, a second connecting shaft, a double-acting cylinder, a roller, a shaft lever, a driven bevel gear, a third connecting shaft, a friction plate, a wear-resistant ceramic plate and a wear-resistant ceramic plate.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of the present utility model.
Examples:
Referring to fig. 1-5, a lifting mechanism of a double-beam bridge crane comprises a first beam bridge body 1 and a second beam bridge body 2, wherein guide rails 3 are arranged on the upper surfaces of the root parts of the first beam bridge body 1 and the second beam bridge body 2;
A first connecting seat 4 is arranged below a central line between the first beam bridge body 1 and the second beam bridge body 2, a connecting frame 5 is welded in the middle of the upper surface of the first connecting seat 4, the top end of the connecting frame 5 is rotationally connected with a transmission shaft 6 through a bearing, rollers 7 in rolling connection with the guide rail 3 are arranged at two ends of the transmission shaft 6, and a driven bevel gear 8 is arranged on the outer wall of the transmission shaft 6;
A gear motor 9 fixedly connected with the first connecting seat 4 is arranged at one side of the root of the connecting frame 5, and a driving bevel gear 10 meshed with the driven bevel gear 8 is arranged at the power output end of the gear motor 9;
The lower surface of the first connecting seat 4 is provided with an electric hoist 11, a driving end of the electric hoist 11 is provided with a lifting rope 12, and the end part of the lifting rope 12 is connected with a lifting hook 13;
When the double-beam bridge crane lifting mechanism is used, a control device is externally connected through a gear motor 9, and a forward and reverse rotation program is set for the output end of the gear motor 9 by using the control device;
Goods are hung by utilizing the lifting hook 13 arranged at the bottom end of the lifting rope 12, then the lifting rope 12 is wound by the electric hoist 11, the driving bevel gear 10 is driven to rotate by the power output end of the gear motor 9, the driving bevel gear 10 is meshed with the driven bevel gear 8, the transmission shaft 6 is driven to rotate in cooperation with the connecting frame 5, the idler wheel 7 is driven to roll in cooperation with the guide rail 3, the lifted goods are translated, the defect problem of screw rod transmission is effectively solved, and the lifting mechanism can normally lift the goods.
Further, the root of the connecting frame 5 far away from the gear motor 9 is rotationally connected with a shaft lever 22 through a bearing, the end part of the shaft lever 22 is welded with a mounting seat 14, the end part of the upper surface of the mounting seat 14 is fixedly connected with a first connecting shaft 15 through a bracket, the end of the lower surface of the mounting seat 14 is provided with a notch, and the inner side of the notch is fixedly connected with a second connecting shaft 20;
The first connecting shaft 15 is rotatably connected with a second connecting seat 18, the top end of the second connecting seat 18 is connected with a mounting plate 17, and the upper surface of the mounting plate 17 is provided with a brake block 19;
the part of the bottom of the first beam bridge body 1 corresponding to the brake pad 19 is provided with a wear-resistant ceramic sheet 24;
A third connecting shaft 23 fixedly connected with the first connecting seat 4 through a bracket is arranged below the second connecting shaft 20, and a double-acting air cylinder 21 is arranged between the third connecting shaft 23 and the second connecting shaft 20;
the two ends of the double-acting air cylinder 21 are provided with connecting lugs which are respectively and rotatably connected with the third connecting shaft 23 and the second connecting shaft 20;
It should be noted that, through the external pneumatic control equipment of double-acting cylinder 21, utilize the flexible of the active end of pneumatic control equipment control double-acting cylinder 21, after moving the goods hoist and mount to appointed position, through the active end shrink of double-acting cylinder 21, make axostylus axostyle 22 cooperation link 5 rotate, mounting panel 17 upwards move, make second connecting seat 18 cooperate first connecting axle 15 rotation simultaneously, make brake block 19 and wear-resisting potsherd 24 butt, thereby brake first connecting seat 4, avoid first connecting seat 4 to continue to move under the effect of inertia, be favorable to the goods to place in appointed position.
As shown in fig. 4, a damping rubber sleeve 16 is sleeved on the outer side of the first connecting shaft 15, and the damping rubber sleeve 16 is abutted against the second connecting seat 18;
it should be noted that, by using the damping rubber sleeve 16 to increase the friction between the second connecting seat 18 and the first connecting shaft 15, the swing amplitude of the mounting plate 17 is reduced, which is beneficial for the adhesion of the brake pad 19 and the wear-resistant ceramic plate 24.
When in use, the speed reducing motor 9 is externally connected with a control device, and a forward and reverse rotation program is set for the output end of the speed reducing motor 9 by utilizing the control device;
Goods are hung by utilizing a lifting hook 13 arranged at the bottom end of a lifting rope 12, then the lifting rope 12 is wound by utilizing an electric hoist 11 to lift the goods, a power output end of a gear motor 9 drives a drive bevel gear 10 to rotate, the drive bevel gear 10 is meshed with a driven bevel gear 8, and accordingly a transmission shaft 6 is driven to rotate in cooperation with a connecting frame 5, and a roller 7 is driven to roll in cooperation with a guide rail 3 to translate the lifted goods.
The above description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (7)
1. The lifting mechanism of the double-beam bridge crane comprises a first beam bridge body (1) and a second beam bridge body (2) and is characterized in that guide rails (3) are arranged on the upper surfaces of the root parts of the first beam bridge body (1) and the second beam bridge body (2);
A first connecting seat (4) is arranged below a central line between the first beam bridge body (1) and the second beam bridge body (2), a connecting frame (5) is welded in the middle of the upper surface of the first connecting seat (4), the top end of the connecting frame (5) is rotationally connected with a transmission shaft (6) through a bearing, rollers (7) in rolling connection with the guide rail (3) are respectively arranged at two ends of the transmission shaft (6), and a driven bevel gear (8) is arranged on the outer wall of the transmission shaft (6);
a gear motor (9) fixedly connected with the first connecting seat (4) is arranged at one side of the root of the connecting frame (5), and a driving bevel gear (10) meshed with the driven bevel gear (8) is arranged at the power output end of the gear motor (9);
The electric hoist is characterized in that an electric hoist (11) is mounted on the lower surface of the first connecting seat (4), a lifting rope (12) is mounted at the transmission end of the electric hoist (11), and a lifting hook (13) is connected to the end part of the lifting rope (12).
2. The lifting mechanism of the double-beam bridge crane according to claim 1, wherein the root part of the connecting frame (5) far away from the gear motor (9) is rotatably connected with a shaft lever (22) through a bearing;
The end part of the shaft lever (22) is welded with a mounting seat (14), and the end part of the upper surface of the mounting seat (14) is fixedly connected with a first connecting shaft (15) through a bracket;
The tail end of the lower surface of the mounting seat (14) is provided with a notch, and the inner side of the notch is fixedly connected with a second connecting shaft (20).
3. The lifting mechanism of the double-beam bridge crane according to claim 2, wherein a second connecting seat (18) is rotatably connected to the first connecting shaft (15), a mounting plate (17) is connected to the top end of the second connecting seat (18), and a brake block (19) is mounted on the upper surface of the mounting plate (17).
4. A lifting mechanism of a double-beam bridge crane according to claim 3, wherein a wear-resistant ceramic plate (24) is arranged at the bottom of the first bridge body (1) corresponding to the brake pad (19).
5. A lifting mechanism of a double-beam bridge crane according to claim 3, wherein a third connecting shaft (23) fixedly connected with the first connecting seat (4) through a bracket is arranged below the second connecting shaft (20), and a double-acting air cylinder (21) is arranged between the third connecting shaft (23) and the second connecting shaft (20).
6. The lifting mechanism of a double-beam bridge crane according to claim 5, wherein connecting lugs are arranged at two ends of the double-acting air cylinder (21), and the connecting lugs are respectively connected with the third connecting shaft (23) and the second connecting shaft (20) in a rotating manner.
7. A lifting mechanism of a double-beam bridge crane according to claim 3, wherein a damping rubber sleeve (16) is sleeved on the outer side of the first connecting shaft (15), and the damping rubber sleeve (16) is abutted against the second connecting seat (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421945798.2U CN222846280U (en) | 2024-08-13 | 2024-08-13 | A lifting mechanism of double-beam bridge crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421945798.2U CN222846280U (en) | 2024-08-13 | 2024-08-13 | A lifting mechanism of double-beam bridge crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222846280U true CN222846280U (en) | 2025-05-09 |
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ID=95569574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421945798.2U Active CN222846280U (en) | 2024-08-13 | 2024-08-13 | A lifting mechanism of double-beam bridge crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222846280U (en) |
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2024
- 2024-08-13 CN CN202421945798.2U patent/CN222846280U/en active Active
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