CN110759234A - Translation method of crane group - Google Patents
Translation method of crane group Download PDFInfo
- Publication number
- CN110759234A CN110759234A CN201911231485.4A CN201911231485A CN110759234A CN 110759234 A CN110759234 A CN 110759234A CN 201911231485 A CN201911231485 A CN 201911231485A CN 110759234 A CN110759234 A CN 110759234A
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- Prior art keywords
- trolley
- track
- cart
- rail
- working space
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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
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/12—Devices for changing direction of travel or for transferring from one runway to another; Crossings; Combinations of tracks of different gauges
Abstract
The invention discloses a translation method of a traveling crane group, wherein a workpiece to be processed is lifted by a trolley from an upper workpiece point and a lower workpiece point, the trolley is driven by a cart to move to a butt joint position along a cart track, a locking device locks a cart inner track and the trolley track, and the locking position of the cart inner track and the trolley track is a track butt joint position; after the rail is locked, the trolley loosens the rail and starts to operate, and the workpiece to be machined is driven to convey the workpiece to be machined to a working space along the trolley rail; after the working space finishes the working procedures, the trolley loosens the rail, starts to run, exits from one working space according to the original path, runs to another working space until all the working procedures are finished, and is transported to an upper and lower workpiece point, or passes through the working space and is transported out from the upper and lower workpiece points at the other end. The translation method of the traveling crane group adopted by the invention can translate in multiple directions continuously, has accurate positioning, large transfer hoisting capacity, low engineering cost, simple operation and good safety performance, and is suitable for transporting, loading and unloading various workpieces to be processed under high load.
Description
Technical Field
The invention relates to a translation method of a crane group, belonging to the field of workpiece transportation, in particular to the field of air transportation of large-sized workpieces.
Background
At present, with the expansion of production scale of processing industry and the improvement of level of tool equipment, original metal holding poles, multiple crown blocks and multiple cranes are widely applied to engineering for lifting and rotating hoisting. However, the height of the factory building and the bearing capacity of the shop crown block are reduced by optimizing investment by a construction unit, and large components are finish machining equipment, so that the structure is complex, the protection requirement on the equipment is strict, and the lifting point is relatively limited. The hoisting period of the large-scale component equipment is long, the cost is high, and the hoisting of the large-scale component gradually becomes a difficult technical problem in construction.
The conventional track for lifting the electric hoist in a workshop generally adopts a continuous I-steel and monorail form, can turn and translate, but the device has the defects of not large lifting capacity and poor stability due to the adoption of the monorail form; when the high load in workshop lifts by crane the structure, generally adopt big driving and little driving combination form when carrying out aerial translation, because gravity inertia is big, two track counterpoint precision that often appear in little driving when the track is changeed is low, the unable orbit transfer of dolly, the poor condition of controllability.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to obtain a translation method of a running gear set on the basis of the conversion of a track with high load continuous translation.
In order to achieve the purpose, the technical scheme of the translation method of the traveling crane group adopted by the invention is as follows:
the translation method runs through a translation traveling group, the translation traveling group comprises a cart track, a cart, a trolley track, a trolley and a locking device, the cart moves along the cart track, the trolley moves along the trolley track, the cart track and the trolley track are perpendicular to each other, the cart track is arranged above the trolley track, the cart is provided with a cavity for placing the trolley, a cart inner track for the trolley to move is arranged in the cart, the trolley track is divided into two sections by the cart inner track, the two sections of the trolley track and the cart inner track are positioned and connected at the track butt joint through the locking device, and the track joint is positioned at the position, close to the cart inner track, of the trolley track, the translation method comprises the following steps:
a) the large vehicle drives the small vehicle to move to a butt joint position along the large vehicle track, the locking device locks the large vehicle inner rail and the small vehicle track, and the locking position of the large vehicle inner rail and the small vehicle track is a track butt joint position;
b) after the rail is locked, the trolley loosens the rail and starts to operate, and the workpiece to be machined is driven to convey the workpiece to be machined to a working space along the trolley rail;
c) after the working space finishes the working procedures, the trolley loosens the rail, starts to run, exits from one working space according to the original path, runs to another working space until all the working procedures are finished, and is transported to an upper and lower workpiece point, or passes through the working space and is transported out from the upper and lower workpiece points at the other end.
Preferably, the translation method of the running set is provided with a plurality of trolley tracks, the trolley tracks are arranged in parallel, and the translatable area is divided into a plurality of corresponding working spaces. The cart track and the trolley track are both double tracks, and the cart track is provided with a corresponding number of working spaces corresponding to the trolley track. That is, the n trolley tracks correspondingly divide the whole space into n working spaces. The two sections of trolley tracks are fixed, when the inner rail of the cart is connected with the trolley tracks, the connected trolley tracks are complete trolley tracks and can form a path of translational motion, and the trolleys can reciprocate on the tracks.
More preferably, the moving direction of the cart track in the transporting direction of the workpiece is unidirectional, and the moving direction of the cart track is bidirectional only from the working space to the working space n.
The workpiece to be processed can be loaded and unloaded at any upper and lower workpiece points. Namely, both ends of any track can be used for loading and unloading, thereby being convenient and flexible. Generally speaking, cart track sets up along factory building bearing structure, not only is convenient for erect and reduces the construction degree of difficulty, and has improved whole orbital bearing capacity. The workpiece to be machined is lifted by the trolley after being fixed at an upper workpiece point and a lower workpiece point at one end of the cart track, moves along the motion direction of the cart track, moves to a working space firstly, and then moves along the transportation direction of the trolley track by the trolley.
Preferably, both ends of the non-butt joint part of the cart track and the trolley track are provided with an upper workpiece point and a lower workpiece point, and workpieces to be processed can be loaded and unloaded at any upper workpiece point and any lower workpiece point. When the inner rail of the cart is connected with two sections of a certain trolley track, a complete trolley track is formed, and the trolley can independently transport, load and unload workpieces from upper and lower workpiece points at two ends of the trolley without the aid of the cart. Generally speaking, cart track sets up along factory building bearing structure, not only is convenient for erect and reduces the construction degree of difficulty, and has improved whole orbital bearing capacity. After the workpiece to be machined is fixed at the upper and lower workpiece points at one end of the cart track and is lifted by the trolley, the workpiece to be machined moves along the moving direction of the cart track, moves to a working space firstly, and then moves along the transporting direction of the trolley track by the trolley.
Preferably, the locking device comprises a conical positioning pin and a connecting seat, the conical positioning pin is arranged on one side of the inner rail of the cart, and the connecting seat is arranged near the rail connecting part of the two sections of trolley rails. The head of one side of the conical positioning pin, which is close to the butt joint of the rails, is conical. The connecting seat is arranged on one side of a trolley track on the plant supporting structure, the opening is close to the track connection part, and the conical positioning pin is positioned on one side of the inner track of the cart and is close to the trolley track; the double track side of the trolley track is respectively provided with a pair of connecting seats and a conical positioning pin, and the stability of the transfer rail is ensured by double positioning.
The locking device further comprises an electro-hydraulic push rod, the tail end of the conical positioning pin is connected with the electro-hydraulic push rod, and the electro-hydraulic push rod pushes the conical positioning pin to extend out. The connecting seat is provided with a conical recess, the conical recess of the connecting seat is matched with the conical surface head of the conical positioning pin, and when the two conical surfaces are matched, the alignment of the two sections of trolley tracks is completed.
The conical surface angle of the conical positioning pin needs to be larger than the central deviation set by the conical positioning pin and the connecting seat, and when the electro-hydraulic push rod provides telescopic tension for the conical positioning pin, the telescopic stroke of the electro-hydraulic push rod needs to be set according to the size of the conical surface and the related distance, so that excessive telescopic motion is prevented, and reverse side extrusion is prevented.
Preferably, the trolley track is also provided with a position sensor, and the position sensor senses whether the trolley moves to a preset position. The cart and the trolley are both provided with driving mechanisms. When the cart is in a preset position, the driving mechanism can control the cart to stop running, dislocation of the two sections of rails caused by inertia is corrected through contact of the conical positioning pin and the connecting seat, and even if the dislocation occurs, the size can be guaranteed to be within the adjusting range of the conical positioning pin, so that the butting accuracy is guaranteed.
As a preferred embodiment, when there are other processes after the workspace process is completed, step c) is specifically:
and after the working space procedure is completed, the trolley is started to run loose on the rail and exits the working space according to the original path, the trolley runs to the butt joint position of the rail, after the locking device is unlocked, the cart drives the trolley to be conveyed to the rail butt joint position of other working spaces, the trolley runs to the working space, and the step b) is repeated until the cart drives the trolley to be conveyed to the rail butt joint position of other working spaces.
As a preferred embodiment, when there is no other process after the workspace process is completed, step c) is specifically:
after the working space process is finished, the trolley rail loosening is started to run through the working space to the rail butt joint position at the other end of the trolley rail, and after the locking device is unlocked, the trolley conveys the workpiece to be machined to an upper workpiece point and a lower workpiece point for unloading.
Compared with the prior art, the invention adopts the translation method of the traveling crane group to translate in multiple directions continuously, has accurate positioning, large transfer hoisting capacity, low engineering cost, simple operation and good safety performance, and is suitable for transporting, loading and unloading workpieces to be processed under various high loads.
Drawings
FIG. 1 is a structural plan view of a translation method of a running gear set provided by the invention;
FIG. 2 is a schematic structural diagram of a translation method of a running gear set provided by the invention;
FIG. 3 is a schematic diagram of the positions of the big cart and the small cart of the translation method structure of the running vehicle set provided by the invention;
FIG. 4 is a schematic diagram of a rail joint of a translation method structure of a running gear set provided by the invention;
FIG. 5 is an enlarged view of the rail joint of the translation method structure of the running gear set provided by the invention;
reference numerals
100. A workpiece to be processed; 200. a plant support structure; 1. a working space 1; 2. a workspace 2; n, a working space n; 10. a cart track; 11. a cart; 20. a trolley track; 201. a cart inner rail; 21. a trolley; 211. a wire rope winding mechanism; 22. a position sensor; 30. loading and unloading the workpiece; 40. a rail butt joint; 41. a connecting seat; 42. a tapered locating pin; 43. an electro-hydraulic push rod.
Detailed Description
The method for translating the running set provided by the invention is further described in detail and completely by combining the embodiment. The following examples are illustrative only and are not to be construed as limiting the invention.
The experimental procedures in the following examples are conventional unless otherwise specified. The experimental materials used in the following examples were all commercially available unless otherwise specified.
As shown in fig. 1 and 2, the translational traveling group of the present embodiment is used for continuous aerial translation of a large structural member under a high load, the translational traveling group includes a cart track 10 and a cart track 20, both the cart track 10 and the cart track 20 are double tracks, the translational traveling group is provided with at least one cart track 10 and a plurality of cart tracks 20, the cart tracks 20 are parallel to each other, the cart track 10 and the cart tracks 20 are perpendicular to each other, and a corresponding number of working spaces are provided corresponding to the number of the cart tracks 20. That is, the n cart rails 20 correspondingly divide the entire space into n working spaces. The cart track 10 is disposed above the cart track 20, as shown in fig. 3, the cart 11 is provided with a cavity for placing the cart 21, a cart inner rail 201 for the cart 21 to move is disposed in the cart 11, the cart track 20 is divided into two sections by the cart inner rail 201, and the two sections of cart tracks and the cart inner rail 201 are positioned and connected at a track butt joint 40 through a locking device. The rail joint 40 is located at a position where the trolley rail 20 is close to the trolley inner rail 201, the trolley 11 drives the trolley 21 to move on the trolley rail 10 on the upper layer, when the trolley moves to the rail joint 40, the trolley inner rail 201 and the trolley rail 20 are in butt joint at the rail joint 40, and the trolley 21 moves independently to drive the workpiece 100 to be processed to move to a processing position along the trolley rail 20. The two sections of trolley tracks are fixed, when the inner rail 201 of the cart is connected with the trolley track 20, the connected trolley tracks are complete trolley tracks which can form a path of translational motion, and the trolley 21 can reciprocate on the tracks.
Both ends of the cart track 10 and the trolley tracks 20 are provided with upper and lower workpiece points 30, namely both ends of any track can be used for loading and unloading workpieces, and the operation is convenient and flexible. The up-and-down work is realized by a wire rope winding mechanism 211. Generally, the cart track 10 is disposed along the plant supporting structure 200, which not only facilitates the reduction of the erection difficulty, but also improves the bearing capacity of the whole track. After the workpiece 100 to be machined is fixed on the trolley 21 at the workpiece loading and unloading point 30 at one end of the cart track 10 for hoisting, the workpiece moves along the moving direction of the cart track 10 and moves to the working space 1, the cart inner rail 201 is connected with the trolley track 20 at the track joint 40, and then the trolley 21 moves along the transporting direction of the trolley track 20, as can be seen from fig. 1, the moving direction of the cart track 10 in the transporting direction of the workpiece is unidirectional, and only from the working space 1 to the working space n, the moving direction of the trolley track 20 is bidirectional.
As shown in fig. 4 and 5, a tapered positioning pin 42, a connecting seat 41 and an electro-hydraulic push rod 43 are arranged at the rail joint 40, when the tapered positioning pin 42 is inserted into the connecting seat 41, the two sections of trolley rails 20 are butted, the connecting seat 41 is arranged at one side of the trolley rails 20 on the plant supporting structure 200, the opening is close to the rail joint 40, the tapered positioning pin 42 is arranged at one side of the cart inner rail 201, and the connecting seat 41 is arranged near the rail joint 40 of the two sections of trolley rails and close to the trolley rails 20; the double-track side of the trolley track 20 is respectively provided with a pair of connecting seats 41 and a conical positioning pin 42, and the stability of the transfer rail is ensured by double positioning. The head of one side of the tapered positioning pin 42 close to the rail butt joint part 40 is tapered, the tail end of the tapered positioning pin is connected with an electro-hydraulic push rod 43, and the electro-hydraulic push rod 43 is also arranged on one side of the cart 11. The electro-hydraulic push rod 43 pushes the conical positioning pin 42 forwards to enter the connecting seat 41, the connecting seat 41 is provided with a conical recess, the conical recess of the connecting seat 41 is matched with the conical surface head of the conical positioning pin 42, the cart 11 is transversely pushed to move slightly by extrusion of the conical surface in the process of pushing and extending forwards, and when the two conical surfaces are matched, the cart track 20 and the cart inner rail 201 are aligned.
The conical surface angle of the conical positioning pin 42 needs to be larger than the center deviation set by the conical positioning pin 42 and the connecting seat 41, and when the electro-hydraulic push rod 43 provides telescopic pulling force for the conical positioning pin 42, the telescopic stroke of the electro-hydraulic push rod must be set according to the size of the conical surface and the related distance, so that excessive telescopic motion is prevented, and reverse side extrusion is avoided.
As shown in fig. 4, the trolley track 20 is provided with a position sensor 22 for detecting two sections of trolley tracks 20 to be butted, so that when the trolley runs to a set position of the position sensor 22, the running of the trolley can be automatically stopped, the dislocation of the two sections of tracks caused by inertia problems can be corrected, and even if the dislocation occurs, the size can be ensured within the adjustment range of the conical positioning pin 42, thereby ensuring the butting accuracy.
The translational traveling crane group of the embodiment further comprises an electric control part, wherein the electric control part controls the position sensor 22 to sense that the cart 11 stops moving after the cart 11 reaches a preset position, and controls the electro-hydraulic push rod 43 to push the conical positioning pin 42 forwards to be connected with the connecting seat 41, so that the alignment of the tracks and the change of the translational direction are completed. The trolley 21 is provided with a driving motor, and the driving motor drives the trolley 21 to reciprocate along the trolley track 20. The driving motor is an existing driving motor for a traveling crane.
In summary, the method for translating the running group by using the translational running group set comprises the following steps:
a) a workpiece to be processed is lifted by the trolley 11 at the upper and lower workpiece points 30, the trolley 21 and the workpiece to be processed are driven by the trolley 11 to move to a butt joint position along the trolley track 10, the locking device locks the trolley inner track 201 and the trolley track 20, and the locking position of the trolley inner track 201 and the trolley track 20 is a track butt joint position 40;
b) after the track is locked, the trolley 21 is loosened to start running to drive the workpiece to be processed to be transported to the working space 1 along the trolley track 20;
c) after the working space 1 finishes the working procedure, the trolley 21 is started to run in a rail-loosening manner, exits from the working space 1 according to the original path, runs to the working space 2, and repeats the step b until the working procedure is finished and the upper and lower workpiece points are reached; or through the workspace 1 to the upper and lower member points 30.
When other working procedures are carried out after the working space working procedure is finished, the step c) is specifically as follows:
after the working space procedure is completed, the trolley 20 starts to run in a loose track mode, exits the working space 1 according to the original path, runs to the track butt joint part 40, after the locking device is unlocked, the cart 11 drives the trolley 21 to be conveyed to the track butt joint position of other working spaces, the trolley 21 runs to other working spaces, and the step b) is repeated until the cart 11 drives the trolley 21 to be conveyed to the track butt joint position of other working spaces.
When no other working procedures exist after the working space working procedure is completed, the step c) is specifically as follows:
after the working space process is completed, the trolley 21 is started to run through the working space 1 after the rail is loosened, the trolley is moved to the rail butt joint position at the other end of the trolley rail 20, and after the locking device is unlocked, the trolley 21 conveys the workpiece 100 to be machined to the upper workpiece point 30 for unloading.
Finally, it must be said here that: the above embodiments are only used for further detailed description of the technical solutions of the present invention, and should not be understood as limiting the scope of the present invention, and the insubstantial modifications and adaptations made by those skilled in the art according to the above descriptions of the present invention are within the scope of the present invention.
Claims (10)
1. A translation method of a traveling crane group is characterized in that the translation method runs through the translation traveling crane group, the translation traveling crane group comprises a cart track (10), a cart (11), a trolley track (20), a trolley (21) and a locking device, the cart (11) moves along the cart track (10), the trolley (21) moves along the trolley track (20), the cart track (10) and the trolley track (20) are perpendicular to each other, the cart track (10) is arranged above the trolley track (20), the cart (11) is provided with a cavity for placing the trolley (21), a cart inner track (201) for the trolley (21) to move is arranged in the cart (11), the trolley track (20) is divided into two sections by the cart inner track (201), the two sections of the cart track and the cart inner track (201) are positioned and connected at a track butt joint (40) through the locking device, the track joint (40) is positioned at a position, close to the trolley track inner track (201), the translation method comprises the following steps:
a) a workpiece to be machined is lifted by a trolley (21) at an upper workpiece point (30) and a lower workpiece point (30), a trolley (21) and the workpiece to be machined are driven by a cart (11) to move to a butt joint position along a cart track (10), a locking device locks a cart inner rail (201) and a trolley track (20), and the locking position of the cart inner rail (201) and the trolley track (20) is a track butt joint part (40);
b) after the rail is locked, the trolley (21) is loosened to start running to drive the workpiece to be machined to be conveyed to the working space (1) along the trolley rail (20);
c) after the working space (1) finishes the working procedure, the trolley (21) is started to run in a rail-loosening manner, exits from the working space (1) according to the original way, runs to the working space (2), and repeats the step b) until the working procedure is finished to reach the upper and lower workpiece points; or through the working space (1) to the upper and lower points (30).
2. The method for performing translation of a locomotive consist according to claim 1, characterized in that the method for performing translation of a locomotive consist is provided with a plurality of trolley rails (20), wherein the plurality of trolley rails (20) are arranged in parallel, and the translatable area is divided into a plurality of corresponding working spaces.
3. The method for the translation of a locomotive consist according to claim 1, characterized in that both ends of the cart rail (10) and the trolley rail (20) at the non-butt joint are provided with an upper and a lower parts point, and the parts to be processed can be loaded and unloaded at any upper and lower parts points.
4. The method for the translation of a locomotive consist according to claim 1, characterized in that said locking means comprise a conical positioning pin (42) and a connecting seat (41), the conical positioning pin (42) being provided on one side of the inner rail (201) of the cart, the connecting seat (41) being provided near the rail junction (40) of the two sections of the trolley rails (20).
5. The method for performing a translation movement of a consist according to claim 3, characterized in that the head of the conical locating pin (42) on the side close to the rail butt joint (40) is conical.
6. The parallel running train set according to claim 4, characterized in that the locking device further comprises an electro-hydraulic push rod (43), the tail end of the tapered locating pin (42) is connected with the electro-hydraulic push rod (43), and the electro-hydraulic push rod (43) pushes the tapered locating pin (42) to extend.
7. The parallel-movement train set according to claim 5, characterized in that the connecting base (41) is provided with a conical recess, the conical recess of the connecting base (41) matches with the conical head of the conical positioning pin (42), when the two conical surfaces are matched, the cart rail (201) and the cart rail (20) are aligned.
8. The method for performing a translation movement of a train set according to claim 1, wherein the cart track (20) is further provided with a position sensor (22), and the position sensor (22) senses whether the cart is moved to a predetermined position.
9. The method for performing a translation of a locomotive consist according to claim 1, wherein step c) is embodied as:
after the working space (1) process is completed, the trolley (21) is started to run in a rail loosening mode and quit the working space (1) according to the original path, the trolley runs to the rail butt joint position (40), after the locking device is unlocked, the trolley (21) is driven by the cart (11) to be conveyed to the rail butt joint positions of other working spaces, the trolley (21) runs to the working space (2), and the step b) is repeated until the working space (1) process is completed and the workpiece loading and unloading point is reached.
10. The method for performing a translation of a locomotive consist according to claim 1, wherein step c) is embodied as:
after the working space (1) is finished, the trolley rail is loosened, the trolley is started to run through the working space (1) to the rail butt joint part (40) at the other end of the trolley rail (20), and after the locking device is unlocked, the trolley (21) sends the workpiece to be machined to an upper workpiece point and a lower workpiece point for unloading.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112320236A (en) * | 2020-10-27 | 2021-02-05 | 广西路桥工程集团有限公司 | Prefabricated part transportation steering system and method |
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| CN110759234B (en) | 2021-04-02 |
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