CN113620188B - Special unit for large-tonnage rail hoisting equipment - Google Patents
Special unit for large-tonnage rail hoisting equipment Download PDFInfo
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- CN113620188B CN113620188B CN202110920906.5A CN202110920906A CN113620188B CN 113620188 B CN113620188 B CN 113620188B CN 202110920906 A CN202110920906 A CN 202110920906A CN 113620188 B CN113620188 B CN 113620188B
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- flatcar
- crane
- tonnage
- mounting frame
- rail
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- 230000003137 locomotive effect Effects 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims description 28
- 238000002485 combustion reaction Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 230000001066 destructive effect Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/50—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes mounted on railway vehicles, e.g. breakdown cranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H7/00—Brakes with braking members co-operating with the track
- B61H7/12—Grippers co-operating frictionally with tracks
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
- B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/18—Travelling gear incorporated in or fitted to trolleys or cranes with means for locking trolleys or cranes to runways or tracks to prevent inadvertent movements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a special unit for large-tonnage track lifting equipment, which comprises a crane, a locomotive, a first flat car and a cargo flat car, wherein the locomotive, the first flat car and the cargo flat car are used for bearing large-tonnage parts, and the locomotive, the first flat car and the cargo flat car are all capable of moving along a track of a railway line; the first flat cars are provided with two first flat cars and are respectively connected to two ends of the cargo flat car, and each first flat car is provided with at least one crane independently; and the end of one first flatcar, which is far away from the cargo flatcar, is connected with the locomotive. The special unit for the large-tonnage track lifting equipment can convey the crane and the cargo flatcar to a construction place through the locomotive, so that the crane does not need to span a contact net during lifting of large-tonnage components, the contact net is not required to be dismantled, only the construction is required to be performed on a railway skylight, the personal safety of railway operation lines and passengers is ensured, the running smoothness of the railway lines can be ensured, and the construction supply efficiency is improved.
Description
Technical Field
The invention relates to large-tonnage hoisting equipment for a track line, in particular to a special unit for the large-tonnage hoisting equipment for the track line.
Background
In the field construction process, the parts with larger tonnage are generally subjected to field construction operation through an automobile crane or other large machinery.
However, for the operation on the railway line, the railway line contains a large number of tracks, contact lines and existing equipment, and the condition of the operation of the truck crane or other large-scale mechanical approach construction is not provided; moreover, in order to ensure personal safety of railway operation line equipment and passengers, the operation of the overhead line system hoisting component is absolutely forbidden. Therefore, how to hoist large tonnage parts (such as a D-shaped construction beam, a longitudinal beam and the like) under the condition of avoiding influencing the personal safety of railway operation lines and passengers is a problem to be solved in railway line construction.
Disclosure of Invention
In order to solve the problem that large-tonnage parts cannot be lifted under the condition that the safety of railway operation lines and passengers is not affected when railway lines are constructed, according to one aspect of the invention, a special unit for large-tonnage track lifting equipment is provided.
The special unit for the large-tonnage track lifting equipment comprises a crane, a locomotive, a first flatcar and a cargo flatcar, wherein the locomotive, the first flatcar and the cargo flatcar are used for bearing large-tonnage parts, and the locomotive, the first flatcar and the cargo flatcar are all capable of moving along a track of a railway line; the first flat cars are provided with two first flat cars and are respectively connected to two ends of the cargo flat car, and each first flat car is provided with at least one crane independently; and the end of one first flatcar, which is far away from the cargo flatcar, is connected with the locomotive.
Therefore, when the large-tonnage parts are required to be lifted on the railway line, the locomotive can drive the first flatcar carrying the crane to move to the construction site along the track of the railway line, and the large-tonnage parts required to be lifted to the construction site can be carried on the cargo flatcar, and the large-tonnage parts required to be lifted to the construction site can also be carried. The special unit for the large-tonnage track lifting equipment can convey the crane and the cargo flatcar to a construction place through the locomotive, so that the crane does not need to span a contact net during lifting of large-tonnage components, the contact net is not required to be dismantled, only the construction is required to be performed on a railway skylight, the personal safety of railway operation lines and passengers is ensured, the running smoothness of the railway lines can be ensured, and the construction supply efficiency is improved. The large-tonnage parts needing to be lifted can be carried by the cargo flatcar, so that other equipment which is collided on the first flatcar during the lifting or transporting process of the large-tonnage parts is avoided; moreover, as the lifting machines are arranged at the two ends of the cargo carrying flat car, when the length of the lifted parts is longer, the lifting machines at the two ends of the cargo carrying flat car can be used for lifting the parts together, so that the safety of the lifting process of the parts is ensured.
In some embodiments, the special unit for the large-tonnage lifting equipment of the track further comprises at least one of an internal combustion hydraulic pump station, a hydraulic control system and a balancing weight, and each first flatcar is independently provided with at least one of the internal combustion hydraulic pump station and the balancing weight. Therefore, the crane can be independently provided with energy through an internal combustion hydraulic pump station and a hydraulic control system which are independently arranged on the flat car, so that the operation steps when the first flat car is separated from and connected with the cargo flat car are simplified; moreover, when the crane lifts large-tonnage parts, the balance weight can ensure the stability of the trolley body.
In some embodiments, the first flatcar is detachably connected with a crane arranged on the first flatcar, and the crane is a folding arm crane or a straight arm crane.
In some embodiments, the first flatcar is detachably connected with a crane arranged on the first flatcar through a nondestructive installation device; wherein the lossless mounting device comprises a first mounting frame; the first quick locking mechanism is arranged on the first mounting frame and used for quickly locking the first mounting frame on the body of the first flatcar; and a first flange for pressing the base of the crane against the first mounting frame.
Therefore, the crane can be installed on the flat car in a nondestructive manner on the basis of not damaging the structure of the flat car; in addition, the installation process is convenient and quick.
In some embodiments, the first quick lock mechanism comprises a first screw, a first lock block, a press block, a second screw, a first nut, and a second nut; wherein, first screw, second screw, first nut and second nut all are equipped with one at least, and first mounting bracket passes through with first latch segment first screw and first nut are connected, and first latch segment passes through second screw and second nut with the briquetting and is connected, and the automobile body of first flatcar is arranged in between first latch segment and the briquetting. Therefore, the first mounting frame and the first flatcar can be quickly mounted and dismounted by adjusting the positions of the first nut and the second nut.
In some embodiments, the rail large tonnage lifting equipment special purpose machine set further comprises a first moving structure which is arranged on the first mounting frame and can move along the extending direction of the rail perpendicular to the railway line in the horizontal plane; the second moving structure is arranged on the first moving structure, can move along the vertical direction and has a locking function, and the support leg is arranged on the second moving structure; or a leg which is provided on the first moving structure rotatably about a moving direction of the first moving structure and has a locking function.
Therefore, when the locomotive drives the first flatcar to move, the second moving structure can drive the support legs to move upwards, so that the support legs are prevented from colliding with the ground when the first flatcar moves; the second moving structure and the supporting legs can be driven to move towards one side of the vehicle body of the first flatcar through the first moving structure, so that the second moving structure and the supporting legs are prevented from moving beyond the limit range of the vehicle in the transportation process of the first flatcar, and the first flatcar is prevented from moving.
In some embodiments, the first flatcar is provided with an auxiliary hydraulic leg detachably connectable with the rail. Therefore, when the crane is used for lifting heavy objects, the longitudinal stability of the trolley in the lifting process can be ensured through the auxiliary hydraulic support legs connected to the rails.
In some embodiments, the auxiliary hydraulic leg includes a second hydraulic cylinder disposed in a vertical direction on a body of the first flatcar; and the guide limiting structure is arranged on the second hydraulic cylinder and can be detachably clamped on the track. Therefore, the position of the guide limiting structure in the vertical direction can be adjusted through the second hydraulic cylinder, so that the guide limiting structure can be clamped with rails with different heights, and the adaptability of the auxiliary hydraulic support leg is improved.
In some embodiments, the guiding and limiting structure comprises: the third mounting frame is arranged on a piston rod of the second hydraulic cylinder; the sliding rail is arranged on the third mounting frame and is arranged in the horizontal plane along the extending direction X perpendicular to the track; at least one group of clamping heads which are movably arranged on the sliding rail along the sliding rail, wherein each group of clamping heads comprises two rail grabbing clamps, grooves matched with the tops of the rails are formed in the rail grabbing clamps, and the grooves of the two rail grabbing clamps in each group of clamping heads are oppositely arranged; and a fifth screw and a fifth nut connecting the two rail grasping clamps in each group of clamps. Therefore, the guide limiting structure and the rail can be quickly connected and detached by adjusting the position of the fifth nut.
In some embodiments, the auxiliary hydraulic leg further comprises a second mount and a second quick-lock mechanism; the second quick locking mechanism is arranged on the second mounting frame and is arranged to be capable of quickly locking the second mounting frame on the body of the first flat car, and the second hydraulic cylinder is connected with the body of the first flat car through the second mounting frame and the second quick locking mechanism in sequence. Therefore, the auxiliary hydraulic support leg can be quickly connected with the body of the first flatcar through the second quick locking mechanism.
Drawings
FIG. 1 is a schematic structural view of a special unit for large-tonnage track lifting equipment according to an embodiment of the present invention;
FIG. 2 is a schematic view showing a structure of a folding arm crane mounted on a body of a first flatcar by a nondestructive mounting device according to an embodiment of the present invention;
FIG. 3 is a schematic view of a non-destructive mounting apparatus according to an embodiment of the present invention having a first moving structure and legs;
FIG. 4 is a schematic view of the first moving structure of FIG. 3 in an extended state on both sides of the non-destructive mounting apparatus having the first moving structure and legs;
FIG. 5 is a schematic view of a first flatcar with auxiliary hydraulic legs according to an embodiment of the present invention;
FIG. 6 is a schematic partial structural view of the first flatcar of FIG. 5 from another perspective with auxiliary hydraulic legs;
FIG. 7 is a schematic view of a second quick lock mechanism according to one embodiment shown in FIG. 6;
FIG. 8 is a schematic view of a second quick lock mechanism of the alternative embodiment shown in FIG. 6;
Reference numerals: 100. a track; 20. locomotive head; 30. a first flatcar; 31. folding arm hanging; 311. a swivel base; 312. a support arm; 313. a crank arm; 314. a telescoping arm; 315. a connection part; 32. a nondestructive mounting device; 321. a first mounting frame; 322. a first quick lock mechanism; 3221. a first screw; 3222. a first locking block; 3223. a second screw; 3224. briquetting; 3225. a first nut; 3226. a second nut; 323. a first flange; 324. a first moving structure; 325. a support leg; 33. an internal combustion hydraulic pump station; 35. balancing weight; 36. an auxiliary hydraulic leg; 361. a second hydraulic cylinder; 362. a guiding and limiting structure; 3621. a third mounting frame; 3622. a slide rail; 3623. rail grabbing clamp; 36231. a groove; 3624. a fifth screw; 3625. a fifth nut; 363. a second mounting frame; 364. a second quick lock mechanism; 3641. the second locking block; 3642. a third screw; 3643. a third nut; 3644. a third locking block; 3645. a fourth screw; 3646. a fourth nut; 40. and (5) carrying out flat carriage.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
It is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," comprising, "or" includes not only those elements but also other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. The terms used herein are generally terms commonly used by those skilled in the art, and if not consistent with the commonly used terms, the terms herein are used.
In this context, the term "truck crane" also referred to as truck crane refers to a crane mounted on a conventional truck chassis or a purpose built truck chassis, the travel cab of which is located separately from the crane cab.
In this context, the term "overhead contact system" refers to a high-voltage power line that is erected in a zigzag fashion above a rail in an electrified railway and that is supplied with current from a pantograph.
Herein, the term "locomotive" refers to the locomotive of a locomotive running on a railroad track.
Herein, the term "flatcar" refers to a flatcar that runs on a railroad track.
In this context, the term "railroad skylight" refers to the time reserved or arranged in the train running diagram for operations such as construction, maintenance, etc. for the line driving equipment without laying out or adjusting the train running line. The construction skylight and the maintenance skylight are divided according to the purposes.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 schematically shows a rail large tonnage hoisting equipment specific set according to a first embodiment of the invention. As shown in fig. 1, the rail large tonnage hoisting equipment special purpose machine set comprises a crane, a locomotive 20, a first flatcar 30 and a cargo flatcar 40 for carrying large tonnage parts, all of which can move along a rail 100 of a railway line; the first flatcars 30 are provided with two, and are respectively connected to two ends of the cargo flatcar 40, and each first flatcar 30 is provided with at least one crane; and the end of one of the first carriages 30 facing away from the load carriage 40 is connected to the locomotive 20. For example, the first flatcar 30 may be a flatcar of model NX 70. As shown in fig. 1, the crane includes a swivel base 311 mounted on the body of the first flatcar 30; a support arm 312 mounted on the swivel base 311; a crank arm 313 connected to the support arm 312 and a telescopic arm 314 connected to the crank arm 313; and a connection part 315 provided on the telescopic arm 314, the connection part 315 may employ a hook. Illustratively, the crane may employ a folding arm crane 31 or a straight arm crane, such as a 30t folding arm crane 31, such as a model CLSQZ1200,1200 folding arm crane 31.
The special unit for the large-tonnage track lifting equipment can convey the crane and the cargo carrying flatcar 40 to a construction place through the locomotive 20, so that the crane does not need to span a contact net during lifting of large-tonnage parts, the contact net is not required to be dismantled, only the construction is required to be performed on a railway skylight, the personal safety of railway operation lines and passengers is ensured, the running smoothness of the railway lines can be ensured, and the construction supply efficiency is improved. The large-tonnage components to be lifted can be carried by the cargo flatcar 40, so that other equipment which is collided with the first flatcar 30 during the lifting or transporting process of the large-tonnage components is avoided; moreover, since the cranes are arranged at the two ends of the cargo flatcar 40, when the length of the lifted components is longer, the components can be lifted together by the cranes at the two ends of the cargo flatcar 40, so that the safety of the component lifting process is ensured.
To facilitate the re-use of the crane and the first flatcar 30, in the preferred embodiment the crane is exemplified by a folding arm crane 31, the first flatcar 30 being detachably connected to the folding arm crane 31 provided thereon. As illustrated with reference to fig. 1 to 4, for example, a first flatcar 30 is detachably connected to a folding arm hanger 31 provided thereon by a nondestructive mounting device 32; wherein the non-destructive mounting apparatus 32 comprises a first mounting bracket 321, a first quick lock mechanism 322, and a first flange 323; the first quick-locking mechanism 322 is provided on the first mounting bracket 321, and is a first quick-locking mechanism 322 for quickly locking the first mounting bracket 321 to the body of the first flatcar 30; the first flange 323 is used for pressing the base of the folding arm crane 31 onto the first mounting frame 321. So that the folding arm hanger 31 can be quickly and nondestructively installed on the flatcar without damaging the structure of the flatcar. Further, in order to ensure the lateral stability of the first trolley 30 when the folding arm crane 31 is lifting an article, the nondestructive mounting device 32 further includes a leg 325 provided on the first mounting frame 321 for abutting against the ground or the rail 100 of the railway line, as shown in fig. 3 and 4. Still further, to avoid the legs 325 obstructing the movement of the first flatcar 30, in some embodiments, as further shown with continued reference to fig. 3 and 4, the non-destructive mounting device 32 further comprises a first moving structure 324, by which the legs 325 with locking function are provided on the first mounting frame 321, in particular the first moving structure 324 is arranged to be movable in a horizontal plane in a direction perpendicular to the extending direction X of the track 100, the legs 325 are pivotably provided on the first moving structure 324, the pivot axis being parallel to the moving direction of the first moving structure 324, the legs 325 with locking function may be arranged to: the leg 325 is sleeved on a column extending along the moving direction of the first moving structure 324, the leg 325 is further formed with a screw hole for connecting the cylinder with the outside, and when the leg 325 is rotated to a position to be fixed, locking of the leg 325 with respect to the first moving structure 324 can be achieved by locking a screw connected to the screw hole. The first moving structure 324 may be implemented to include a guide rail and a slider that are adapted to each other, the guide rail being provided on the first mounting frame 321 in a direction perpendicular to the extending direction X of the rail 100 in a horizontal plane, and the leg 325 being provided on the slider. Preferably, the first moving structure 324 has a locking function, which may be implemented as a screw hole formed at one of the guide rail and the slider, which is located at the outer side, to communicate the other with the outside, and locking is implemented by tightening a screw coupled in the screw hole. Therefore, when the first flatcar 30 moves, the leg 325 can be unlocked relative to the first moving structure 324, the leg 325 is locked relative to the first moving structure 324 when the leg 325 is rotated into the horizontal plane, and then the leg 325 is driven by the first moving structure 324 to move towards the side of the first mounting frame 321 until the leg 325 can be placed on the first mounting frame 321, the first moving structure 324 can be locked, so as to avoid the leg 325 from obstructing the movement of the first flatcar 30; when the first flatcar 30 moves to the construction site, the first moving structure 324 can drive the support legs 325 to move towards the direction away from the first mounting frame 321, the support legs 325 are locked after moving in place, then the support legs 325 are rotated relative to the first moving structure 324 until the support legs rest on the ground or the track 100, and then the support legs 325 are locked relative to the first moving structure 324. To avoid that the legs 325 hinder the movement of the first trolley 30, in other embodiments the non-destructive mounting device 32 further comprises a first moving structure 324 and a second moving structure, wherein the legs 325 are arranged on the first mounting frame 321 sequentially via the second moving structure and the first moving structure 324, the first moving structure 324 being arranged to be movable in a horizontal plane in a direction X perpendicular to the extending direction of the track 100, the second moving structure being arranged to be movable in a vertical direction and having a locking function, and wherein, for example, the second moving structure may employ a first hydraulic cylinder, the cylinder body of which is arranged on the first moving structure 324, the leg 325 is disposed on a piston rod of the first hydraulic cylinder, and the first moving structure 324 in this embodiment may be implemented by referring to the implementation manner of the first moving structure 324, specifically, a cylinder body of the first hydraulic cylinder is disposed on a slider of the first moving structure 324.
Fig. 2-4 illustrate one embodiment of a first quick lock mechanism 322, which includes a first screw 3221, a first lock block 3222, a press block 3224, a second screw 3223, a first nut 3225, and a second nut 3226, as shown; wherein, at least one first screw 3221, second screw 3223, first nut 3225 and second nut 3226 are all provided, the first screw 3221 passes through the outside through hole of the first mounting frame 321, which is positioned on the vehicle body of the first flat vehicle 30, and passes through the through hole on the first locking block 3222 along the vertical direction, the first screw 3221 is connected with the first nut 3225 in a threaded manner, the head of the first screw 3221 is positioned on one side, which is away from the other, of the first mounting frame 321 and the first locking block 3222, and the first nut 3225 is positioned on the other side, namely, the first mounting frame 321 and the first locking block 3222 are connected through the first screw 3221 and the first nut 3225; the second screw 3223 passes through the through holes of the first locking block 3222 and the pressing block 3224 in the vertical direction, the second nut 3226 is connected to the second screw 3223, and the distance between the first locking block 3222 and the pressing block 3224 can be adjusted by adjusting the position of the second nut 3226 on the second screw 3223, so that the vehicle body of the first flatcar 30 is clamped between the first locking block 3222 and the pressing block 3224, and further the connection between the first mounting frame 321 and the vehicle body of the first flatcar 30 is achieved.
In order to improve the stability of the crane in the longitudinal direction when lifting heavy objects, in a preferred embodiment the crane is exemplified by a folding arm crane 31, as shown with reference to fig. 1, 5 and 6, on the first trolley 30 auxiliary hydraulic legs 36 are provided which are detachably connectable to the rail 100. Fig. 5 and 6 illustrate one embodiment of the auxiliary hydraulic leg 36, which includes a second hydraulic cylinder 361 provided in the vertical direction on the body of the first wagon 30, as shown; and a guiding and limiting structure 362 which is arranged on the second hydraulic cylinder 361 and can be detachably clamped on the track 100, wherein the guiding and limiting structure 362 is arranged on a piston rod of the second hydraulic cylinder 361. Therefore, the position of the guide limiting structure 362 in the vertical direction can be adjusted through the second hydraulic cylinder 361, so that the guide limiting structure can be clamped with the rails 100 with different heights, and the adaptability of the auxiliary hydraulic support leg 36 is improved; moreover, when the folding arm crane 31 is used for lifting the heavy objects, the body of the first flatcar 30 can be clamped on the track 100 through the guide limiting structure 362 in the auxiliary hydraulic support leg 36 connected with the body of the first flatcar 30, so that the body of the first flatcar 30 is prevented from overturning when the folding arm crane 31 is used for lifting the heavy objects, and the stability of the folding arm crane 31 in lifting the heavy objects is ensured. To facilitate quick connection of the auxiliary hydraulic leg 36 to the body of the first flatcar 30, it is preferable that, as shown in fig. 5 and 6, the auxiliary hydraulic leg 36 further includes a second mounting bracket 363 and a second quick lock mechanism 364; the second quick locking mechanism 364 is disposed on the second mounting rack 363, and is configured to quickly lock the second mounting rack 363 on the body of the first flatcar 30, and the second hydraulic cylinder 361 is connected with the body of the first flatcar 30 through the second mounting rack 363 and the second quick locking mechanism 364 in sequence, that is, the cylinder body of the second hydraulic cylinder 361 and the second quick locking mechanism 364 are both disposed on the second mounting rack 363. Fig. 6 and 7 illustrate one implementation of a second quick lock mechanism 364, which includes a second lock 3641, a third screw 3642, and a third nut 3643, as shown, where the second lock 3641 is coupled to one of the body of the first flatcar 30 and the second mount 363 by the third screw 3642 and the third nut 3643 and is snapped into a snap-in slot in the other of the body of the first flatcar 30 and the second mount 363. Fig. 6 and 8 illustrate another implementation of the second quick-lock mechanism 364, which includes a third lock 3644, a fourth screw 3645, and a fourth nut 3646, as shown, the third lock 3644 being coupled to one of the body of the first flatcar 30 and the second mount 363 by the fourth screw 3645 and the fourth nut 3646 and clamping the other of the body of the first flatcar 30 and the second mount 363 therebetween, e.g., the third lock 3644 being coupled to the body of the first flatcar 30 by the fourth screw 3645 and the fourth nut 3646 and clamping the second mount 363 between the third lock 3644 and the body of the first flatcar 30. As shown in fig. 5, the second quick lock mechanism 364 may also refer to the implementation of the first quick lock mechanism 322, which is not described herein. Thereby, a quick connection of the auxiliary hydraulic leg 36 to the body of the first flatcar 30 can be achieved by the second quick lock mechanism 364.
Fig. 5 and 6 illustrate one embodiment of a guide limit structure 362 that includes a third mounting bracket 3621 provided on a piston rod of a second hydraulic cylinder 361; a slide rail 3622 provided on the third mounting bracket 3621 and disposed in a horizontal plane along a direction X perpendicular to the extending direction of the rail 100; at least one group of clamping heads movably arranged on the sliding rail 3622 along the sliding rail 3622, wherein each group of clamping heads comprises two rail grabbing clamp 3623, grooves 36231 matched with the top of the rail 100 are integrally formed or machined on the rail grabbing clamp 3623, and grooves 36231 of the two rail grabbing clamp 3623 in each group of clamping heads are oppositely arranged; the two rail grasping clamps 3623 in each set of clamps are connected by fifth screws 3624 and fifth nuts 3625 while adjusting the distance therebetween to effect clamping of the clamps on the rail 100 or loosening of the clamps from the rail 100.
In a preferred embodiment, referring to fig. 1, the special-purpose unit for the large-tonnage track lifting equipment further comprises at least one of an internal combustion hydraulic pump station 33, a hydraulic control system and a balancing weight 35, wherein the internal combustion hydraulic pump station 33 and the balancing weight 35 are arranged on the first flatcar 30. The internal combustion hydraulic pump station 33 may be an internal combustion hydraulic pump station 33 commonly used in the prior art, in which a diesel engine, a power supply, a diesel engine electric control system, a high-pressure oil pump, a coarse and fine filter, an oil tank, a radiator, an electromagnetic spill valve, an electromagnetic directional valve, an output hose, a junction, and the like are provided. The crane, as well as the hydraulic cylinders in the non-destructive mounting device 32 and the auxiliary hydraulic leg 36, can thus be powered by the internal combustion hydraulic pump station 33 and by the hydraulic control system.
In the preferred embodiment, the special unit for the large-tonnage hoisting equipment of the track also comprises an electric control system, wherein the electric control system consists of a diesel engine control system, a height and moment limiting control system, an illumination and warning control system, a crane control system and the like. So as to ensure the running safety of the special unit for the large-tonnage hoisting equipment.
In a preferred embodiment, to facilitate the installation of the crane, the end door and a portion of the side doors at the hitch position of the first flatcar 30 are removed.
In a preferred embodiment, inter-hook stops are added to at least one of the first flatcar 30 and the locomotive 20, and the first flatcar 30 and the cargo flatcar 40 to reduce play between the vehicles when the truck is hung or braking is activated.
In the preferred embodiment, and with reference to fig. 1, the crane is exemplified by a folding arm crane 31. To facilitate the folding arm crane 31 to hoist a weight to the load wagon 40, the folding arm crane 31 is provided on the side of the first wagon 30 adjacent to the load wagon 40. Further, as shown in fig. 1, in order to ensure that the arm-folding crane 31 is not prone to toppling when lifting a heavy object onto the cargo wagon 40, when the auxiliary hydraulic support legs 36 are further provided, the auxiliary hydraulic support legs 36 are provided on the side of the arm-folding crane 31 of the first wagon 30 facing the cargo wagon 40. Still further, as shown in fig. 1, in order to ensure smoothness of lifting of the goods by the folding arm crane 31, when the internal combustion hydraulic pump station 33 and the counterweight 35 are further provided, the internal combustion hydraulic pump station 33 and the counterweight 35 are provided on a side of the folding arm crane 31 of the first flatcar 30 facing away from the cargo flatcar 40.
Preferably, the crane takes the folding arm crane 31 as an example, referring to fig. 1, the devices, structures and devices arranged on the first flatcars 30 at two sides of the cargo flatcar 40 are the same, and the layout manners of the devices, structures and devices on the first flatcars 30 at two sides of the cargo flatcar 40 are the same, for example, the auxiliary hydraulic support legs 36 on the two first flatcars 30 are arranged at one side of the folding arm crane 31 facing the cargo flatcar 40, so as to ensure that the folding arm crane 31 is not easy to topple when lifting heavy objects; as another example, the folding arm hangers 31 are all mounted on the first flatcar 30 by the nondestructive mounting device 32 so as not to affect the continuous use of the folding arm hangers 31 after the folding arm hangers 31 are detached from the first flatcar 30; for another example, the internal combustion hydraulic pump station 33 and the balancing weight 35 are arranged on one side of the folding arm crane 31 away from the cargo flatcar 40, so that the folding arm crane 31 is prevented from being blocked to hoist the heavy objects, and moreover, as each first flatcar 30 is provided with the internal combustion hydraulic pump station 33 and the hydraulic control system, the internal combustion hydraulic pump station 33 and the hydraulic control system which are independently arranged on the flatcar can be used for independently providing energy for the folding arm crane 31, so that the operation steps when the first flatcar 30 is separated from and connected with the cargo flatcar 40 are simplified.
What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.
Claims (7)
1. The special unit for the large-tonnage track lifting equipment is characterized by comprising a crane, a locomotive, a first flatcar and a cargo flatcar, wherein the locomotive, the first flatcar and the cargo flatcar are used for bearing large-tonnage components, and the locomotive, the first flatcar and the cargo flatcar are all capable of moving along a track of a railway line; wherein,
The two first flatcars are respectively connected to two ends of the cargo flatcar, and each first flatcar is provided with at least one crane independently;
The end part of one first flatcar, which is away from the cargo flatcar, is connected with the locomotive;
Be equipped with on the first flatcar can with the auxiliary hydraulic support leg of track detachable connection, auxiliary hydraulic support leg includes:
the second hydraulic cylinder is arranged on the vehicle body of the first flatcar and is arranged along the vertical direction;
the guide limiting structure is arranged on the second hydraulic cylinder and can be detachably clamped on the track;
the auxiliary hydraulic support leg is arranged on one side of the crane of the first flatcar, which faces the cargo carrying flatcar;
The auxiliary hydraulic support leg further comprises a second mounting frame and a second quick locking mechanism; wherein,
The second quick locking mechanism is arranged on the second mounting frame and is arranged to be capable of quickly locking the second mounting frame on the body of the first flatcar;
the second hydraulic cylinder is connected with the body of the first flatcar sequentially through the second mounting frame and the second quick locking mechanism.
2. The special unit for the large-tonnage rail lifting equipment according to claim 1, further comprising at least one of an internal combustion hydraulic pump station, a hydraulic control system and a balancing weight, wherein each first flatcar is independently provided with at least one of the internal combustion hydraulic pump station and the balancing weight.
3. The special unit for large-tonnage rail lifting equipment according to claim 2, wherein the first flat car is detachably connected with a crane arranged on the first flat car, and the crane is a folding arm crane or a straight arm crane.
4. The special unit for large-tonnage rail lifting equipment according to claim 3, wherein the first flatcar is detachably connected with a crane arranged on the first flatcar through a nondestructive installation device; wherein,
The nondestructive mounting device includes:
A first mounting frame;
The first quick locking mechanism is arranged on the first mounting frame and used for quickly locking the first mounting frame on the body of the first flatcar;
And a first flange for pressing the base of the crane against the first mounting frame.
5. The special machine set for the large-tonnage track lifting equipment according to claim 4, wherein the first quick locking mechanism comprises a first screw, a first locking block, a pressing block, a second screw, a first nut and a second nut;
The first mounting frame is connected with the first locking block through the first screw and the first nut, the first locking block is connected with the pressing block through the second screw and the second nut, and the vehicle body of the first flatcar is arranged between the first locking block and the pressing block.
6. The special purpose machine set for rail large tonnage hoisting equipment according to claim 4, further comprising:
A first moving structure provided on the first mounting frame and capable of moving in a horizontal plane in a direction perpendicular to an extending direction of the rail;
The second moving structure is arranged on the first moving structure, can move along the vertical direction and has a locking function, and the support leg is arranged on the second moving structure; or (b)
And a leg provided rotatably on the first moving structure around a moving direction of the first moving structure and having a locking function.
7. The special set for rail large tonnage hoisting equipment according to any one of the claims 1 to 6, characterized in, that the guiding limit structure comprises:
The third mounting frame is arranged on a piston rod of the second hydraulic cylinder;
the sliding rail is arranged on the third mounting frame and is arranged in a horizontal plane along the extending direction X perpendicular to the track;
At least one group of clamping heads which are movably arranged on the sliding rail along the sliding rail, wherein each group of clamping heads comprises two rail grabbing clamps, grooves matched with the tops of the rails are formed in the rail grabbing clamps, and the grooves of the two rail grabbing clamps in each group of clamping heads are oppositely arranged;
and a fifth screw and a fifth nut connecting the two rail grasping clamps in each group of clamps.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110920906.5A CN113620188B (en) | 2021-08-11 | 2021-08-11 | Special unit for large-tonnage rail hoisting equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110920906.5A CN113620188B (en) | 2021-08-11 | 2021-08-11 | Special unit for large-tonnage rail hoisting equipment |
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| CN113620188A CN113620188A (en) | 2021-11-09 |
| CN113620188B true CN113620188B (en) | 2024-05-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114620079B (en) * | 2022-03-21 | 2023-08-29 | 中车太原机车车辆有限公司 | Carrying and hanging flatcar of carrying track walking equipment |
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|---|---|
| CN113620188A (en) | 2021-11-09 |
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