CN211947970U - Crane trolley for ultra-low bridge erecting machine - Google Patents
Crane trolley for ultra-low bridge erecting machine Download PDFInfo
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- CN211947970U CN211947970U CN201922394403.XU CN201922394403U CN211947970U CN 211947970 U CN211947970 U CN 211947970U CN 201922394403 U CN201922394403 U CN 201922394403U CN 211947970 U CN211947970 U CN 211947970U
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Abstract
A crane trolley for an ultra-low bridge girder erection machine belongs to the technical field of bridge girder erection machine equipment; the heights of the fixed pulley block assembly, the balance pulley block, the left winch unit, the right winch unit, the transmission gear box, the winch driving motor and the end brake are all within the heights of the front frame and the rear frame, so that the whole height of the bridge girder erection machine is lower than that of the conventional crane trolley, and the whole height of the bridge girder erection machine is reduced; the front anti-collision block and the rear anti-collision block play a role in anti-collision protection of the front frame and the rear frame during operation, and the tail end brake controls the brake calipers to enable the brake calipers to clamp the brake disc, so that the braking effect of the left winch set and the right winch set is realized; the steel cables on the left winch unit, the left fixed pulley block and the left movable pulley block and the steel cables on the right winch unit, the right fixed pulley block and the right movable pulley block are mutually fixed and balanced through the balance pulley block; the lifting beam carrying pole can penetrate more lifting ropes through the plurality of lifting holes, and the safety of the lifted objects is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of bridge girder erection machine equipment, specifically relate to a crane trolley for ultralow bridge girder erection machine.
Background
With the demand of economic construction in China, the rapid development of roads, bridges and highways in China and more bridge construction, bridge erecting machines serving as large special equipment in construction become indispensable key equipment in the construction of highways and bridges.
However, in the process of erecting a new bridge, different working conditions may be encountered, when the bridge girder erection machine passes through a culvert or works under an erected bridge, the conventional bridge girder erection machine cannot complete normal girder erection due to the limitation of the height of the working environment, and the hoisting winch of the conventional bridge girder erection machine is arranged above the trolley, so that the trolley is too high in height and cannot be used in a height-limited environment.
Disclosure of Invention
The utility model mainly solves the technical problem existing in the prior art and provides a crane trolley for an ultra-low bridge erecting machine.
The above technical problem of the present invention can be solved by the following technical solutions: a trolley crane for an ultra-low bridge erecting machine comprises a front frame and a rear frame, and is characterized in that rear anti-collision blocks are arranged at the left end and the right end of the rear frame, support rods are arranged at the left end and the right end of the front frame, front anti-collision blocks are arranged at the outer ends of the support rods, movable wheel sets are arranged at the bottom sides of the inner parts of the front frame and the rear frame, movable wheel driving motors are arranged at the front side of the front frame and the rear side of the rear frame, the movable wheel driving motors are in transmission connection with the movable wheel sets through transmission gears, a left frame connecting plate is arranged between the left rear side of the middle part of the front frame and the left front side of the middle part of the rear frame, a right frame connecting plate is arranged between the right rear side of the middle part of the front frame and the right front side of the middle part of the rear frame, a fixed pulley block assembly is arranged between the left frame connecting, the front sides of the left fixed pulley block and the right fixed pulley block are provided with a front pulley fixed plate, the rear sides of the left fixed pulley block and the right fixed pulley block are provided with a rear pulley fixed plate, the left side between the front pulley fixed plate and the rear pulley fixed plate is provided with a left fixed pulley shaft, the right side between the front pulley fixed plate and the rear pulley fixed plate is provided with a right fixed pulley shaft, the left fixed pulley block is arranged on the left fixed pulley shaft, the right fixed pulley block is arranged on the right fixed pulley shaft, the left fixed pulley block and the right fixed pulley block are respectively composed of a plurality of pulleys, the numbers of the pulleys of the left fixed pulley block and the right fixed pulley block are the same, a balance pulley fixed plate is arranged in front of the front pulley fixed plate, the middle part between the balance pulley fixed plate and the front pulley fixed plate is provided with a balance pulley shaft, the balance pulley shaft is provided with a balance pulley block, and, the right side of the right frame connecting plate is provided with a right hoisting unit, the front sides of the left hoisting unit and the right hoisting unit are respectively provided with a first fixing plate, the rear sides of the left hoisting unit and the right hoisting unit are respectively provided with a second fixing plate, the front side of the outer end part of the first fixing plate is provided with a transmission gear box, the front side of the transmission gear box is provided with a hoisting machine driving motor, the output shaft of the hoisting machine driving motor is connected with the transmission gear box, the rear side of the transmission gear box is provided with a gear box output shaft, the rear end part of the gear box output shaft penetrates through the first fixing plate, the rear end part of the gear box output shaft is provided with an output pinion, a hoisting machine fixing shaft is arranged between the first fixing plate and the second fixing plate, the rear side of the first fixing plate is provided with a bull gear at the front end part of the, the left winch set is arranged on a winch set fixing shaft at the left side of the left frame connecting plate, the right winch set is arranged on a winch set fixing shaft at the right side of the right frame connecting plate, a brake disc is arranged at the rear end part of the winch set fixing shaft at the front side of the second fixing plate, a rear supporting frame is arranged at the rear side of the second fixing plate, the rear end of the rear supporting frame is fixedly connected with a rear frame, the front end of the rear supporting frame is fixedly connected with the second fixing plate, the front side of the first fixing plate is provided with a front supporting frame, the front side of the front supporting frame is fixedly connected with the front frame, the rear side of the front supporting frame is fixedly connected with the first fixing plate, the front sides of the left and right ends of the rear frame are provided with mounting frames, the front sides of the mounting frames are provided with tail end brakes, and the inner side of the tail end brake is provided with a brake caliper, and a jaw of the brake caliper is arranged on the brake disc.
Preferably, a hanging beam shoulder pole is arranged below the fixed pulley block assembly, a left movable pulley block is arranged on the upper left side of the middle part of the hanging beam shoulder pole, a right movable pulley block is arranged on the upper right side of the middle part of the hanging beam shoulder pole, movable pulley shafts are arranged between the left movable pulley block and the hanging beam shoulder pole, a plurality of hanging holes are formed in the left side and the right side of the hanging beam shoulder pole, steel cables are arranged between the left winch unit, the left fixed pulley block and the left movable pulley block and between the right winch unit, the right fixed pulley block and the right movable pulley block, one end of each of the steel cables on the left winch unit, the left fixed pulley block and the left movable pulley block is connected with one end of each of the steel cables on the right winch unit, the right fixed pulley block and the right movable pulley block, and the connected steel cables are arranged on the.
Preferably, the front frame and the rear frame are the same in height, and the fixed pulley block assembly, the balance pulley block, the left winch unit, the right winch unit, the transmission gear box, the winch driving motor and the tail end brake are all arranged in the front frame and the rear frame.
The utility model discloses beneficial effect who has: the heights of the fixed pulley block assembly, the balance pulley block, the left winch unit, the right winch unit, the transmission gear box, the winch driving motor and the end brake are all within the heights of the front frame and the rear frame, so that the whole height of the bridge girder erection machine is lower than that of the conventional crane trolley, and the whole height of the bridge girder erection machine is reduced; the front anti-collision block and the rear anti-collision block play a role in anti-collision protection of the front frame and the rear frame during operation, and the tail end brake controls the brake calipers to enable the brake calipers to clamp the brake disc, so that the braking effect of the left winch set and the right winch set is realized; the steel cables on the left winch unit, the left fixed pulley block and the left movable pulley block and the steel cables on the right winch unit, the right fixed pulley block and the right movable pulley block are mutually fixed and balanced through the balance pulley block; the lifting beam carrying pole can penetrate more lifting ropes through the plurality of lifting holes, and the safety of the lifted objects is guaranteed.
Drawings
Fig. 1 is a schematic top view of the present invention;
fig. 2 is a schematic side view of the present invention;
fig. 3 is a schematic structural view of the fixed pulley block assembly of the present invention;
FIG. 4 is a schematic side view of the shoulder pole of the suspension beam of the present invention;
fig. 5 is a schematic view of a winding structure of the steel cable rope of the present invention.
In the figure: 1. a rear anti-collision block; 2. a support bar; 3. a front bumper block; 4. a moving wheel set; 5. a moving wheel driving motor; 6. a left frame connecting plate; 7. a right frame connection plate; 8. a fixed pulley block assembly; 9. a left fixed pulley block; 10. a right fixed pulley shaft; 11. a front pulley fixing plate; 12. a rear pulley fixing plate; 13. a left fixed pulley shaft; 14. a right fixed pulley shaft; 15. a balance pulley fixing plate; 16. a balance pulley shaft; 17. a balancing pulley block; 18. a left winch set; 19. a right winch set; 20. a first fixing plate; 21. a second fixing plate; 22. a transmission gear box; 23. a hoist driving motor; 24. a gearbox output shaft; 25. an output pinion gear; 26. a fixed shaft of the winch set; 27. a bull gear; 28. a brake disc; 29. a rear support frame; 30. a front support frame; 31. a mounting frame; 32. a terminal stopper; 33. a brake caliper; 34. a hanging beam carrying pole; 35. a left movable pulley block; 36. a right movable pulley block; 37. a movable pulley shaft; 38. hoisting holes; 39. a front frame; 40. a rear frame; 41. a steel cable;
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): a trolley crane for an ultra-low bridge erecting machine is disclosed, as shown in figures 1-5, and comprises a front frame and a rear frame, wherein rear anti-collision blocks are arranged at the left end and the right end of the rear frame, support rods are arranged at the left end and the right end of the front frame, front anti-collision blocks are arranged at the outer ends of the support rods, movable wheel sets are arranged at the bottom sides of the inner parts of the front frame and the rear frame, movable wheel driving motors are arranged at the front side of the front frame and the rear side of the rear frame, the movable wheel driving motors are in transmission connection with the movable wheel sets through transmission gears, a left frame connecting plate is arranged between the left rear side of the middle part of the front frame and the left front side of the middle part of the rear frame, a right frame connecting plate is arranged between the right frame connecting plate and the right frame, a fixed pulley block assembly is arranged at the middle part between the left frame connecting plate and the right frame connecting plate, and, the front sides of the left fixed pulley block and the right fixed pulley block are provided with a front pulley fixed plate, the rear sides of the left fixed pulley block and the right fixed pulley block are provided with a rear pulley fixed plate, the left side between the front pulley fixed plate and the rear pulley fixed plate is provided with a left fixed pulley shaft, the right side between the front pulley fixed plate and the rear pulley fixed plate is provided with a right fixed pulley shaft, the left fixed pulley block is arranged on the left fixed pulley shaft, the right fixed pulley block is arranged on the right fixed pulley shaft, the left fixed pulley block and the right fixed pulley block are respectively composed of a plurality of pulleys, the numbers of the pulleys of the left fixed pulley block and the right fixed pulley block are the same, a balance pulley fixed plate is arranged in front of the front pulley fixed plate, the middle part between the balance pulley fixed plate and the front pulley fixed plate is provided with a balance pulley shaft, the balance pulley shaft is provided with a balance pulley block, and, the right side of the right frame connecting plate is provided with a right hoisting unit, the front sides of the left hoisting unit and the right hoisting unit are respectively provided with a first fixing plate, the rear sides of the left hoisting unit and the right hoisting unit are respectively provided with a second fixing plate, the front side of the outer end part of the first fixing plate is provided with a transmission gear box, the front side of the transmission gear box is provided with a hoisting machine driving motor, the output shaft of the hoisting machine driving motor is connected with the transmission gear box, the rear side of the transmission gear box is provided with a gear box output shaft, the rear end part of the gear box output shaft penetrates through the first fixing plate, the rear end part of the gear box output shaft is provided with an output pinion, a hoisting machine fixing shaft is arranged between the first fixing plate and the second fixing plate, the rear side of the first fixing plate is provided with a bull gear at the front end part of the, the left winch set is arranged on a winch set fixing shaft at the left side of the left frame connecting plate, the right winch set is arranged on a winch set fixing shaft at the right side of the right frame connecting plate, a brake disc is arranged at the rear end part of the winch set fixing shaft at the front side of the second fixing plate, a rear supporting frame is arranged at the rear side of the second fixing plate, the rear end of the rear supporting frame is fixedly connected with a rear frame, the front end of the rear supporting frame is fixedly connected with the second fixing plate, the front side of the first fixing plate is provided with a front supporting frame, the front side of the front supporting frame is fixedly connected with the front frame, the rear side of the front supporting frame is fixedly connected with the first fixing plate, the front sides of the left and right ends of the rear frame are provided with mounting frames, the front sides of the mounting frames are provided with tail end brakes, and the inner side of the tail end brake is provided with a brake caliper, and a jaw of the brake caliper is arranged on the brake disc.
A hanging beam shoulder pole is arranged below the fixed pulley block assembly, a left movable pulley block is arranged on the upper left side of the middle part of the hanging beam shoulder pole, a right movable pulley block is arranged on the upper right side of the middle part of the hanging beam shoulder pole, movable pulley shafts are arranged between the left movable pulley block and the hanging beam shoulder pole, a plurality of hanging holes are formed in the left side and the right side of the hanging beam shoulder pole, steel cables are arranged between the left winch unit, the left fixed pulley block and the left movable pulley block and between the right winch unit, the right fixed pulley block and the right movable pulley block, one ends of the steel cables on the left winch unit, the left fixed pulley block and the left movable pulley block are connected with one ends of the steel cables on the right winch unit, the right fixed pulley block and the right movable pulley block, the connected steel cables are arranged on the balance pulley block, and the steel cables on the left winch unit, the left fixed pulley block and the left movable pulley block are connected with, The steel cables on the right fixed pulley block and the right movable pulley block are mutually fixed and balanced, so that the carrying pole of the hanging beam is kept balanced.
Preceding frame is the same with the height of back frame, within frame and the back frame before fixed pulley group assembly, balanced assembly pulley, left hoist unit, right winch unit, transmission gear box, hoist engine driving motor and end brake all locate, realize the utility model discloses whole overall height is less than current trolley, makes the overall height of bridging machine reduce.
The utility model discloses an operation principle:
the moving wheel set is driven by the moving wheel driving motor to realize the movement of the front frame and the rear frame, the winch driving motor drives the transmission gear box, the transmission gear box drives the output pinion, the output pinion drives the gearwheel, the gearwheel drives the winch fixing shaft, the winch fixing shaft drives the left winch set and the right winch set, the brake calipers are controlled by the tail end brake to clamp the brake disc, the brake of the left winch set and the right winch set is realized, the steel cables on the left winch set, the left fixed pulley block and the left moving pulley block and the steel cables on the right winch set, the right fixed pulley block and the right moving pulley block are mutually fixed and balanced through the balance pulley block, and the carrying pole of the hanging beam is kept balanced.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.
Claims (3)
1. A trolley crane for an ultra-low bridge erecting machine comprises a front frame and a rear frame, and is characterized in that rear anti-collision blocks are arranged at the left end and the right end of the rear frame, support rods are arranged at the left end and the right end of the front frame, front anti-collision blocks are arranged at the outer ends of the support rods, movable wheel sets are arranged at the bottom sides of the inner parts of the front frame and the rear frame, movable wheel driving motors are arranged at the front side of the front frame and the rear side of the rear frame, the movable wheel driving motors are in transmission connection with the movable wheel sets through transmission gears, a left frame connecting plate is arranged between the left rear side of the middle part of the front frame and the left front side of the middle part of the rear frame, a right frame connecting plate is arranged between the right rear side of the middle part of the front frame and the right front side of the middle part of the rear frame, a fixed pulley block assembly is arranged between the left frame connecting, the front sides of the left fixed pulley block and the right fixed pulley block are provided with a front pulley fixed plate, the rear sides of the left fixed pulley block and the right fixed pulley block are provided with a rear pulley fixed plate, the left side between the front pulley fixed plate and the rear pulley fixed plate is provided with a left fixed pulley shaft, the right side between the front pulley fixed plate and the rear pulley fixed plate is provided with a right fixed pulley shaft, the left fixed pulley block is arranged on the left fixed pulley shaft, the right fixed pulley block is arranged on the right fixed pulley shaft, the left fixed pulley block and the right fixed pulley block are respectively composed of a plurality of pulleys, the numbers of the pulleys of the left fixed pulley block and the right fixed pulley block are the same, a balance pulley fixed plate is arranged in front of the front pulley fixed plate, the middle part between the balance pulley fixed plate and the front pulley fixed plate is provided with a balance pulley shaft, the balance pulley shaft is provided with a balance pulley block, and, the right side of the right frame connecting plate is provided with a right hoisting unit, the front sides of the left hoisting unit and the right hoisting unit are respectively provided with a first fixing plate, the rear sides of the left hoisting unit and the right hoisting unit are respectively provided with a second fixing plate, the front side of the outer end part of the first fixing plate is provided with a transmission gear box, the front side of the transmission gear box is provided with a hoisting machine driving motor, the output shaft of the hoisting machine driving motor is connected with the transmission gear box, the rear side of the transmission gear box is provided with a gear box output shaft, the rear end part of the gear box output shaft penetrates through the first fixing plate, the rear end part of the gear box output shaft is provided with an output pinion, a hoisting machine fixing shaft is arranged between the first fixing plate and the second fixing plate, the rear side of the first fixing plate is provided with a bull gear at the front end part of the, the left winch set is arranged on a winch set fixing shaft at the left side of the left frame connecting plate, the right winch set is arranged on a winch set fixing shaft at the right side of the right frame connecting plate, a brake disc is arranged at the rear end part of the winch set fixing shaft at the front side of the second fixing plate, a rear supporting frame is arranged at the rear side of the second fixing plate, the rear end of the rear supporting frame is fixedly connected with a rear frame, the front end of the rear supporting frame is fixedly connected with the second fixing plate, the front side of the first fixing plate is provided with a front supporting frame, the front side of the front supporting frame is fixedly connected with the front frame, the rear side of the front supporting frame is fixedly connected with the first fixing plate, the front sides of the left and right ends of the rear frame are provided with mounting frames, the front sides of the mounting frames are provided with tail end brakes, and the inner side of the tail end brake is provided with a brake caliper, and a jaw of the brake caliper is arranged on the brake disc.
2. The trolley for the ultra-low bridge erecting machine according to claim 1, wherein a hanging beam carrying pole is arranged below the fixed pulley block assembly, a left movable pulley block is arranged on the upper left side of the middle part of the hanging beam carrying pole, a right movable pulley block is arranged on the upper right side of the middle part of the hanging beam carrying pole, movable pulley shafts are arranged between the left movable pulley block and the hanging beam carrying pole, a plurality of hanging holes are arranged on the left side and the right side of the hanging beam carrying pole, steel cables are arranged between the left winch unit, the left fixed pulley block and the left movable pulley block and between the right winch unit, the right fixed pulley block and the right movable pulley block, one end of the steel cable on the left winch unit, the left fixed pulley block and the left movable pulley block is connected with one end of the steel cable on the right winch unit, the right fixed pulley block and the right movable pulley block, and the steel cable after connection is arranged on the balance pulley block.
3. The trolley according to claim 1, wherein the front frame and the rear frame have the same height, and the fixed pulley assembly, the balance pulley block, the left hoisting unit, the right hoisting unit, the transmission gear box, the hoisting drive motor and the end brake are disposed inside the front frame and the rear frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922394403.XU CN211947970U (en) | 2019-12-27 | 2019-12-27 | Crane trolley for ultra-low bridge erecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922394403.XU CN211947970U (en) | 2019-12-27 | 2019-12-27 | Crane trolley for ultra-low bridge erecting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211947970U true CN211947970U (en) | 2020-11-17 |
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ID=73187773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922394403.XU Active CN211947970U (en) | 2019-12-27 | 2019-12-27 | Crane trolley for ultra-low bridge erecting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211947970U (en) |
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2019
- 2019-12-27 CN CN201922394403.XU patent/CN211947970U/en active Active
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