CN217894956U - Two dolly separation of tower machine and automatic relevance device - Google Patents
Two dolly separation of tower machine and automatic relevance device Download PDFInfo
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- CN217894956U CN217894956U CN202220624053.0U CN202220624053U CN217894956U CN 217894956 U CN217894956 U CN 217894956U CN 202220624053 U CN202220624053 U CN 202220624053U CN 217894956 U CN217894956 U CN 217894956U
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Abstract
The utility model belongs to the technical field of double-trolley separation and automatic association of tower cranes, and discloses a double-trolley separation and automatic association device of a tower crane, wherein the trolleys are divided into a main trolley and an auxiliary trolley, and the main trolley is connected with the auxiliary trolley through the association device; the association device is provided with a fixed hook and a fixed plate, and the fixed hook is welded at the rear end of the main trolley; a fixed block is welded at the front end of the auxiliary trolley; the fixed block is provided with a movable hook. The front end of the fixed hook is provided with a hook, the rear end of the hook is provided with a positioning column, and the distance between the positioning column and the hook is larger than the radius of the hook. The movable hook is fixed on the fixed plate through a movable hook lock pin and a movable hook rotating shaft, a pedal is arranged at the rear end of the movable hook, and two circular through holes and a hook are arranged in the middle of the movable hook. The fixed plate upper end is equipped with the locating piece, is equipped with the rotating shaft of moving hook in the middle of the fixed plate, and extension spring fixed pin one side is equipped with the lockpin hole the utility model discloses accord with the national security requirement, no matter operating personnel in the aspect of quantity, the swift convenient aspect of operation, replace manual work, improve equipment automation with equipment.
Description
Technical Field
The utility model belongs to the technical field of two dolly separation of tower machine and automatic relevance, especially, relate to a two dolly separation of tower machine and automatic relevance device.
Background
At present, a large tower crane adopts a double-trolley related structure in design to realize large-tonnage hoisting, but the double-trolley related structure is a problem which is often encountered in the double-trolley structure of the large tower crane in order to improve the working efficiency of double-trolley separation and association and save labor cost. Therefore, according to the working requirement of the tower crane, sometimes the double trolleys are changed into the single trolleys or the single trolleys are changed into the double trolleys for hoisting operation, and therefore, the problem of separation and association of the double trolleys in switching in practical application is a very necessary link for the operation of the tower crane.
The existing double-trolley separation and association adopts that an ear plate penetrates through a pin shaft, and two rails of a crane boom are formed by welding structural parts, because the two rails cannot be completely guaranteed to be on the same plane by welding deformation, the fulcrums of 8 wheels after the double-trolley association cannot be on the same plane, the actual torsion exists in the double-trolley association rear ear plate hole butt joint, and the ear plate and the pin shaft associated with the double-trolley are always in a torsion state; the split pin is driven into the pin shaft after the pin shaft is driven into the pin shaft, the association mode is very complicated and difficult no matter the association or separation operation of the double trolleys is carried out, the trolleys are in high-altitude operation when the double trolleys are separated and associated under the condition, and the insertion and the withdrawal of the pin shaft are very inconvenient. Secondly, when the pin shaft is plugged and pulled out, due to the limitation of the space position, the operation difficulty of personnel is high. Thirdly, at least two persons are required to operate at two sides of the trolley for each association and separation, and the operation is very inconvenient, and the defects of labor waste, time waste, low efficiency and the like are formed.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) The concentricity of the lug plates is poor between the connection of the male lug plate and the female lug plate of the two trolleys of the prior device, the connecting lug plates are in a distortion stress state due to the in and out of the pin shaft, and the association or separation operation of the trolleys is very complicated and difficult.
(2) Due to the fact that the pin shaft is difficult to pull out and insert due to space limitation, at least two persons are required to operate at two sides of the trolley for association and separation every time, operation is inconvenient, labor-consuming, time-consuming and low in efficiency.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a two dolly separation of tower machine and automatic relevance device.
The utility model discloses a realize like this, a two dolly separation of tower machine are provided with automatic relevance device:
a trolley; the trolley is divided into a main trolley and an auxiliary trolley, and the main trolley is connected with the auxiliary trolley through a correlation device; the association device is provided with a fixed hook and a fixed plate, and the fixed hook is welded at the rear end of the main trolley; a fixed block is welded at the front end of the auxiliary trolley; and the fixed block is provided with a movable hook.
Furthermore, the front end of the fixed hook is provided with a hook, the rear end of the hook is provided with a positioning column, and the distance between the positioning column and the hook is greater than the radius of the hook.
Furthermore, the movable hook is fixed on the fixed plate through a movable hook lock pin and a movable hook rotating shaft, a pedal is arranged at the rear end of the movable hook, and two circular through holes and a hook are arranged in the middle of the movable hook.
Further, the fixed plate upper end is equipped with the locating piece, be equipped with in the middle of the fixed plate and move the hook axis of rotation, the fixed plate lower extreme is equipped with the extension spring fixed pin, extension spring fixed pin one side is equipped with the lockpin hole, it fixes on the fixed plate through moving the hook axis of rotation and moving the hook lockpin to move the hook, it is equipped with the pull ring to move hook lockpin outside.
Furthermore, a tension spring is arranged in the middle of the fixing plate, and the other end of the tension spring is fixed on the hook.
Furthermore, the movable hook lock pin is provided with a movable hook lock pin shaft, the front end of the movable hook lock pin shaft is provided with a pull ring mounting hole, the lock pin shaft penetrates through an end cover plate, the end cover plate is connected with the movable hook through a bolt, a spring is sleeved outside the lock pin shaft, and the outer end of the spring is fixed with the end cover plate.
With the above technical solution and the technical problem solved, please analyze the following aspects and advantages of the technical solution to be protected of the present invention are:
first, to the technical problem that above-mentioned prior art exists and the degree of difficulty of solving this problem, combine closely the utility model discloses an in-process result and data etc. of technical scheme and the research and development that will protect, analyze in detail, deeply the utility model discloses how technical scheme solves's technical problem, some that bring after the solution problem possess creative technological effect. The specific description is as follows:
the embodiment of the utility model provides a through install this relevance respectively on main, vice dolly and separate locking device and the device for arranging in groups in the dolly left and right sides. In the aspect of quick and convenient operation, the manual work is replaced by equipment; the problem that the space is limited and the original structure is extremely difficult to operate due to external force is solved by arranging the association device to connect and separate the two adjacent trolleys.
Second, regard as a whole or from the angle of product to technical scheme, the utility model discloses technical effect and advantage that technical scheme that will protect possesses, the concrete description is as follows:
the tower crane is a high-risk device which operates in high altitude, the country has higher requirements on the safety of the tower crane, and no matter the number of operators and the convenience of operation, the tower crane replaces the manual work with the device, so that the automation of the device is improved. The utility model solves the problems that the separation and association of the double trolleys in the current tower crane industry always adopts manual insertion and pin removal, and the separation and association of the main trolley and the auxiliary trolley are time-consuming, labor-consuming and low in efficiency; a separation and association device of double trolleys is designed. Overcome simultaneously in the past the tower machine when two dollies are separated, need the problem of operation more than two people, the utility model discloses can accomplish the relevance and the separation work of two dollies alone.
Drawings
Fig. 1 is a schematic structural view of a double-trolley separation and automatic association device of a tower crane provided by the embodiment of the utility model;
FIG. 2 is a schematic view of a movable hook lock pin according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a separation and association device provided by an embodiment of the present invention;
fig. 4 is a schematic structural view of a fixing plate according to an embodiment of the present invention;
in the figure: 1. a main trolley; 2. a secondary trolley; 3. an association means; 4. a fixed hook; 5. a movable hook; 6. positioning blocks; 7. a movable hook rotating shaft; 8. a pedal; 9. a pull ring; 10. a movable hook lock pin; 11 a tension spring; 12. a fixing plate; 13. locking a pin shaft; 14. a tension spring fixing pin; 15. locking a pin shaft; 16. a spring; 17. a pull ring mounting hole; 18. an end cover plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
1. Illustrative embodiments are explained. This section is an illustrative example for expanding the claims so as to fully understand how to implement the invention for those skilled in the art.
As shown in fig. 1-3, the embodiment of the present invention provides a trolley, which is divided into a main trolley 1 and an auxiliary trolley 2, wherein the main trolley 1 is connected with the auxiliary trolley 2 through a connection device 3; the association device 3 is provided with a fixed hook 4 and a fixed plate 12, and the fixed hook 4 is welded at the rear end of the main trolley 1; a fixed block is welded at the front end of the auxiliary trolley 2; the fixed block is provided with a movable hook 5.
The front end of the fixed hook 4 is provided with a hook, the rear end of the hook is provided with a positioning column, and the distance between the positioning column and the hook is larger than the radius of the hook.
The movable hook 5 is fixed on the fixed plate 12 through a lock pin of the movable hook 5 and a rotating shaft of the movable hook 5, the rear end of the movable hook 5 is provided with a pedal 8, and the middle of the movable hook 5 is provided with two circular through holes and a hook.
The lower end of the fixing plate 12 is provided with a fixing pin of a tension spring 11, and one side of the fixing pin of the tension spring 11 is provided with a locking pin hole;
the upper end of the fixed plate 12 is provided with a positioning block 6, the middle of the fixed plate 12 is provided with a movable hook rotating shaft 7, the movable hook 5 is fixed on the fixed plate 12 through the movable hook rotating shaft 7 and a movable hook lock pin 10, and the outside of the movable hook lock pin 10 is provided with a pull ring 9.
The middle of the fixed plate 12 is provided with a tension spring 11, and the other end of the tension spring 11 is fixed on the hook.
The utility model discloses work has two kinds of modes, specifically does:
separation of the double trolleys:
when the double trolleys (namely the main trolley and the auxiliary trolley) of the tower crane are separated, the auxiliary trolley 2 is locked at the root of the arm, then the tower crane treads the pedals on the two sides of the auxiliary trolley 2 respectively, the pedals are rigidly connected with the movable hook 5, when the pedals are stepped to a certain position (the movable hook 5 rotates), the lock pin on the movable hook 5 automatically enters the lock pin hole in the fixed plate, the movable hook 5 is lifted completely, and the state is converted when the movable hook 5 is unhooked. The other side is also operated by the same method, so that the whole auxiliary trolley 2 enters a unhooking posture, and the tower crane operates the variable-amplitude winch to drive the main trolley 1 to the direction of the arm head, thereby completing the trolley separation work.
Association of the double trolleys:
when the main trolley and the auxiliary trolley 2 are associated, the tower driver unlocks the auxiliary trolley 2 at the arm root, then the auxiliary trolley 2 is pulled out from a pull ring at the lower end of a movable hook 5 on a fixed plate at the front end of the auxiliary trolley 2, the lower side of the movable hook 5 is attached to the fixed block (namely the movable hook 5 is reset) under the action of a tension spring, the other side of the auxiliary trolley is operated by the same method, the auxiliary trolley 2 enters an associated posture, the tower driver operates a variable-amplitude winch to drive the main trolley 1 to the auxiliary trolley 2 direction, the auxiliary trolley automatically collides with an escalator, and the movable hook 5 on the auxiliary trolley 2 is automatically lifted to enter a fixed hook 4 groove to complete trolley association work.
2. Application examples. In order to prove the creativity and the technical value of the technical scheme of the invention, the part is the application example of the technical scheme of the claims on specific products or related technologies.
The device for separating and automatically associating the double trolleys of the tower crane, provided by the invention, is applied to the hoisting of a large-scale tower crane in a large tonnage, and can switch the operation modes of the double trolleys and the single trolley according to different tasks.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be covered within the protection scope of the present invention by those skilled in the art within the technical scope of the present invention.
Claims (5)
1. The utility model provides a two dolly separation of tower machine and automatic relevance device which characterized in that, two dolly separation of tower machine and automatic relevance device are provided with:
a trolley;
the trolley is divided into a main trolley and an auxiliary trolley, and the main trolley is connected with the auxiliary trolley through a correlation device;
the association device is provided with a fixed hook and a fixed plate, and the fixed hook is welded at the rear end of the main trolley;
a fixed block is welded at the front end of the auxiliary trolley; the fixed block is provided with a movable hook;
the fixed plate upper end is equipped with the locating piece, be equipped with in the middle of the fixed plate and move the hook axis of rotation, the fixed plate lower extreme is equipped with the extension spring fixed pin, extension spring fixed pin one side is equipped with the lockpin hole, it fixes on the fixed plate through moving the hook axis of rotation and moving the hook lockpin to move the hook, it is equipped with the pull ring to move hook lockpin outside.
2. The double-trolley separation and automatic association device of the tower crane as claimed in claim 1, wherein a hook is arranged at the front end of the fixed hook, a positioning column is arranged at the rear end of the hook, and the distance between the positioning column and the hook is larger than the radius of the hook.
3. The double-trolley separation and automatic association device of the tower crane as claimed in claim 1, wherein the movable hook is fixed on the fixed plate through a movable hook lock pin and a movable hook rotating shaft, a pedal is arranged at the rear end of the movable hook, and two circular through holes and hooks are arranged in the middle of the movable hook.
4. The double-trolley separation and automatic association device of the tower crane as claimed in claim 1, characterized in that a tension spring is arranged in the middle of the fixing plate, and the other end of the tension spring is fixed on the hook.
5. The double-trolley separation and automatic association device of the tower crane as claimed in claim 1, wherein the movable hook lock pin is provided with a movable hook lock pin shaft, the front end of the movable hook lock pin shaft is provided with a pull ring mounting hole, the lock pin shaft penetrates through an end cover plate, the end cover plate is connected with the movable hook through a bolt, a spring is sleeved outside the lock pin shaft, and the end cover plate is fixed at the outer end of the spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220624053.0U CN217894956U (en) | 2022-03-21 | 2022-03-21 | Two dolly separation of tower machine and automatic relevance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220624053.0U CN217894956U (en) | 2022-03-21 | 2022-03-21 | Two dolly separation of tower machine and automatic relevance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217894956U true CN217894956U (en) | 2022-11-25 |
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ID=84106243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220624053.0U Active CN217894956U (en) | 2022-03-21 | 2022-03-21 | Two dolly separation of tower machine and automatic relevance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217894956U (en) |
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2022
- 2022-03-21 CN CN202220624053.0U patent/CN217894956U/en active Active
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