CN213865089U - Pin type positioning rail passing mechanism for crane - Google Patents
Pin type positioning rail passing mechanism for crane Download PDFInfo
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- CN213865089U CN213865089U CN202121519165.1U CN202121519165U CN213865089U CN 213865089 U CN213865089 U CN 213865089U CN 202121519165 U CN202121519165 U CN 202121519165U CN 213865089 U CN213865089 U CN 213865089U
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- lead screw
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- track
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Abstract
The utility model discloses an axle pin type positioning and track passing mechanism for a crane, which comprises a main vehicle track and an auxiliary vehicle track, wherein the main vehicle track is internally movably connected with a main vehicle baffle through a pin shaft, the top end of the main vehicle track is fixedly connected with a helical gear worm gear speed reducer, a worm gear of the helical gear worm gear speed reducer is fixedly connected with a lead screw, the bottom end of the main vehicle track is movably connected with an anti-drop plate through a pin shaft, the tail end of the main vehicle track is fixedly connected with a lead screw frame, the lead screw is slidably connected with a lead screw nut frame through a lead screw nut, the lead screw nut frame is fixedly connected with a connecting rod at the position of the main vehicle baffle, the tail end of the connecting rod is movably connected with the main vehicle baffle through the connecting plate, the upper end inside the auxiliary vehicle track is movably connected with an auxiliary vehicle baffle through a pin shaft, the utility model has the advantages of preventing the occurrence of derailment when the trolley passes the track, the rail passing mechanism has the advantages of stable operation, high safety performance and the like.
Description
Technical Field
The utility model relates to a rail mechanism technical field is crossed in the location of axle pin formula for the hoist specifically is a rail mechanism is crossed in location of axle pin formula for hoist.
Background
The rail passing device of the rail passing crane is used for switching a hoisting electric hoist from a movable crane rail to a rail of another crane to realize the transportation function of equipment or objects, most of rail passing mechanisms of the existing cranes push a push rod through a driving mechanism, and the push rod enables a main car baffle plate to drive an auxiliary car baffle plate to rotate so as to pass rails, but the problems that the main car baffle plate and the auxiliary car baffle plate can be pushed to rotate to cause derailment easily when the trolleys pass rails after the trolleys fall after the rail passing is finished, the safety performance is low and the like exist.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a rail mechanism is crossed to axle pin formula location for hoist, can prevent that the dolly from taking place to derail at the in-process of crossing the rail main car track and auxiliary car track, can prevent that the dolly from crossing the rail and taking place to fall after accomplishing, the security performance is high, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a shaft pin type positioning rail-crossing mechanism for a crane comprises a main vehicle baffle plate arranged on a main vehicle track and an auxiliary vehicle baffle plate arranged on an auxiliary vehicle track, wherein the main vehicle baffle plate is movably connected in the main vehicle track through a pin shaft, a helical gear worm and gear speed reducer is fixedly connected at the top end of the main vehicle track, a servo motor is fixedly connected at the upper end of the helical gear worm and gear speed reducer, a transmission shaft of the servo motor is connected with a worm of the helical gear worm and gear speed reducer through a coupler, a worm wheel of the helical gear worm and gear speed reducer is fixedly connected with a lead screw, the tail end of the main vehicle track is fixedly connected with a lead screw frame, the other end of the lead screw, which is far away from the helical gear worm and gear speed reducer, is rotatably connected with the lead screw frame through a lead screw nut, a connecting rod is fixedly connected on the lead screw nut frame at the position of the main vehicle baffle plate, the tail end of the connecting rod penetrates through the inside of the main vehicle track and is movably connected with the main vehicle baffle through a connecting plate, an auxiliary vehicle baffle is movably connected to the upper end, located at a rail passing position, of the auxiliary vehicle track through a pin shaft, an auxiliary vehicle baffle is movably connected into the auxiliary vehicle track through a pin shaft, limiting shafts are arranged on the front side wall and the rear side wall of the main vehicle baffle and the auxiliary vehicle baffle, limiting grooves are formed in the positions, located on the limiting shafts, of the side walls of the main vehicle track and the auxiliary vehicle track, dust covers are fixedly connected to the periphery, located on the main vehicle track, of the screw rod frame and the screw rod, and an anti-falling plate is movably connected to the bottom end of the main vehicle track through a pin shaft.
Furthermore, the upper end of the main vehicle baffle is of a hook-shaped structure, the upper end of the auxiliary vehicle baffle is of an arc-shaped structure, and a hook groove is formed in the position, corresponding to the upper end of the main vehicle baffle, of the upper end of the auxiliary vehicle baffle.
Furthermore, a positioning plate is fixedly connected to the top end of the auxiliary vehicle rail, a positioning pin is fixedly connected to the lead screw nut frame, and limiting holes are formed in the positions, corresponding to the positioning pins, of the lead screw frame and the positioning plate.
Furthermore, the dust cover and the upper surface of the positioning plate are fixedly connected with fixing plates, and a main proximity switch and an auxiliary proximity switch are respectively connected to the fixing plates.
Furthermore, a guide groove is formed in the main vehicle track at a position corresponding to the connecting rod, the guide groove is of a rectangular structure, and the width of the guide groove is matched with the width of the connecting rod.
Furthermore, the limiting shaft penetrates through the limiting groove, the limiting groove is of an arc structure, and the width of the limiting groove is matched with the outer diameter of the limiting shaft.
Further, the end of the main car baffle is provided with a wane, a abdicating groove is formed in the position corresponding to the wane on the main car track bottom plate, a torsion spring is arranged on a pin shaft connected with the anti-falling plate, the end of the upper surface of the anti-falling plate is provided with meshing teeth, and a meshing groove is formed in the position corresponding to the meshing teeth on the bottom plate of the auxiliary car track.
Furthermore, a dovetail groove is formed in the left side wall of the anti-falling plate, and a protruding block matched with the dovetail groove is arranged at the tail end of the wane.
Compared with the prior art, the beneficial effects of the utility model are that: this rail mechanism is crossed to axle pin formula location for hoist can make the dolly prevent to take place the derailment at the in-process of crossing the rail through the anticreep board, can push main car baffle and auxiliary car baffle rotation and take place to fall after the dolly passes the rail and accomplishes through spacing axle and spacing groove, ensures the security after the dolly passes the rail and accomplishes.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a rear view of the present invention;
fig. 3 is a top view of the present invention;
FIG. 4 is a schematic structural view of the main vehicle baffle and the auxiliary vehicle baffle of the present invention;
FIG. 5 is a partial enlarged view of the auxiliary car track and the dust cover of the present invention;
FIG. 6 is a partial enlarged view of the bottom end of the main car track of the present invention;
FIG. 7 is a schematic view of the anti-separation plate structure of the present invention;
fig. 8 is the structural schematic diagram of the auxiliary vehicle track bottom plate of the utility model.
In the figure: the main car track 1, the auxiliary car track 2, the main car baffle 3, the auxiliary car baffle 4, the bevel gear worm gear speed reducer 6, the servo motor 7, the lead screw frame 8, the lead screw 9, the lead screw nut frame 10, the positioning pin 12, the connecting rod 13, the connecting plate 15, the positioning plate 16, the dust cover 17, the fixing plate 18, the main proximity switch 19, the auxiliary proximity switch 20, the guide groove 21, the limiting shaft 22, the limiting groove 23, the anti-disengaging plate 24, the torsion spring 25, the meshing teeth 26 and the meshing groove 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1-8, the present invention provides a technical solution: a shaft pin type positioning rail-crossing mechanism for a crane comprises a main vehicle baffle 3 arranged on a main vehicle track 1 and an auxiliary vehicle baffle 4 arranged on an auxiliary vehicle track 2, wherein the main vehicle baffle 3 is movably connected in the main vehicle track 1 through a pin shaft, the top end of the main vehicle track 1 is fixedly connected with a helical gear worm and gear speed reducer 6, the upper end of the helical gear worm and gear speed reducer 6 is fixedly connected with a servo motor 7, a transmission shaft of the servo motor 7 is connected with a worm of the helical gear worm and gear speed reducer 6 through a coupler, a worm wheel of the helical gear worm and gear speed reducer 6 is fixedly connected with a lead screw 9, the tail end of the main vehicle track 1 is fixedly connected with a lead screw frame 8, the other end of the lead screw 9, which is far away from the helical gear worm and gear speed reducer 6, is rotatably connected with the lead screw frame 8 through a bearing, and the lead screw 9 is slidably connected with a lead screw nut frame 10 through a lead screw nut, the lead screw nut frame 10 is fixedly connected with a connecting rod 13 at the position of the main vehicle baffle 3, the tail end of the connecting rod 13 penetrates into the main vehicle track 1 and is movably connected with the main vehicle baffle 3 through a connecting plate 15, the auxiliary vehicle baffle 4 is movably connected in the auxiliary vehicle track 2 through a pin shaft, the front side wall and the rear side wall of the main vehicle baffle 3 and the auxiliary vehicle baffle 4 are respectively provided with a limiting shaft 22, the side walls of the main vehicle track 1 and the auxiliary vehicle track 2 are respectively provided with a limiting groove 23 at the position of the limiting shaft 22, the main vehicle track 1 is fixedly connected with a dust cover 17 at the peripheries of a lead screw frame 8 and a lead screw 9, the bottom end of the main vehicle track 1 is movably connected with an anti-disengaging plate 24 through a pin shaft, a servo motor 7 is electrically connected with a controller arranged outside, when the main vehicle track 1 is in orbit passing butt joint with the auxiliary vehicle track 2, a bevel gear worm 6 drives the lead screw 9 to rotate through the servo motor 7, the lead screw nut frame 10 drives the connecting rod 13 to move, so that the main vehicle baffle 3 rotates clockwise, the upper end of the main vehicle baffle 3 pushes the auxiliary vehicle baffle 4 to rotate anticlockwise, the baffle passes through the rail after being opened, the failure rate of the rail passing mechanism is low, and the operation is stable.
Furthermore, the upper end of the main vehicle baffle plate 3 is of a hook-shaped structure, the upper end of the auxiliary vehicle baffle plate 4 is of an arc-shaped structure, a hook groove is formed in the position, corresponding to the upper end of the main vehicle baffle plate 3, of the upper end of the main vehicle baffle plate 4, the hook-shaped end portion of the upper end of the main vehicle baffle plate 3 is clamped in the auxiliary vehicle baffle plate 4 when the main vehicle baffle plate 3 rotates, the main vehicle baffle plate 3 and the auxiliary vehicle baffle plate 4 rotate more stably through the special structures of the auxiliary vehicle baffle plate 4 and the main vehicle baffle plate 3, and the running stability of the track passing mechanism is improved.
Further, the top end of the auxiliary vehicle track 2 is fixedly connected with a positioning plate 16, the lead screw nut frame 10 is fixedly connected with a positioning pin 12, the lead screw frame 8 and the positioning plate 16 are provided with limiting holes at positions corresponding to the positioning pins 12, the lead screw nut frame 10 drives the connecting rod 13 to move, meanwhile, the positioning pin 12 is driven to move towards the direction of the limiting holes in the positioning plate 16, positioning is completed through the positioning pin 12 and the positioning plate 16, and accordingly rail passing safety and stability are guaranteed.
Further, the dust cover 17 and the locating plate 16 have a fixed plate 18 fixedly connected to the upper surface, the fixed plate 18 is connected with a main proximity switch 19 and an auxiliary proximity switch 20, the main proximity switch 19 and the auxiliary proximity switch 20 are electrically connected with a controller arranged outside, and the main vehicle track 1 and the auxiliary vehicle track 2 are located more accurately through the main proximity switch 19 and the auxiliary proximity switch 20.
Further, a guide groove 21 is formed in the main vehicle track 1 at a position corresponding to the connecting rod 13, the guide groove 21 is of a rectangular structure, the width of the guide groove 21 is matched with the width of the connecting rod 13, and the guide groove 21 plays a role in guiding the movement of the connecting rod 13.
Furthermore, the limiting shaft 22 penetrates through the limiting groove 23, the limiting groove 23 is of an arc structure, the width of the limiting groove 23 is matched with the outer diameter of the limiting shaft 22, the limiting shaft 22 and the limiting groove 23 play a role in guiding when the main vehicle baffle plate 3 and the auxiliary vehicle baffle plate 4 rotate, the limiting groove 23 plays a role in limiting and locking the limiting shaft 22 when the main vehicle baffle plate 3 and the auxiliary vehicle baffle plate 4 are restored to a closed state, and the trolley is prevented from falling to cause potential safety hazards after the trolley collides with the main vehicle baffle plate 3 or the auxiliary vehicle baffle plate 4, so that the safety performance is improved.
Furthermore, the tail end of the main vehicle baffle 3 is provided with a wane, a bottom plate of the main vehicle track 1 is provided with a abdicating groove at the position corresponding to the wane, a torsional spring 25 is arranged on a pin shaft connected with the anti-falling plate, the tail end of the upper surface of the anti-falling plate 24 is provided with meshing teeth 26, the bottom plate of the auxiliary car track 2 is provided with an engaging groove 27 at a position corresponding to the engaging tooth 26, when the main vehicle baffle 3 rotates clockwise and is opened, the wane rotates along with the main vehicle baffle 3, the wane rotates clockwise from the abdicating groove to the main vehicle track 1, the anti-drop plate 24 is reversely rotated by the torsion spring 25, the meshing teeth 26 on the anti-drop plate 24 are nested in the meshing groove 27 of the auxiliary vehicle track 2, so that the derailment of the trolley in the process of passing the track is prevented, the safety performance is improved, when the main shutter 3 is restored to the closed state, the rocker at the end of the main shutter 3 pushes the retaining plate 24 to rotate clockwise so that the engaging teeth 26 leave the engaging grooves 27.
Furthermore, a dovetail groove is formed in the left side wall of the anti-falling plate 24, and a protruding block matched with the dovetail groove is arranged at the tail end of the wane.
When in use: when the main vehicle track 1 is close to the auxiliary vehicle track 2 for passing rail butt joint, when the main proximity switch 19 and the auxiliary proximity switch 20 sense signals, the servo motor 7 enables the helical gear, worm gear and worm reducer 6 to drive the screw rod 9 to rotate in the forward direction, the screw rod nut frame 10 drives the connecting rod 13 to move so as to enable the main vehicle baffle 3 to rotate clockwise, the limiting shafts 22 on the main vehicle baffle 3 and the auxiliary vehicle baffle 4 both rotate along the corresponding limiting grooves 23, when the main vehicle baffle 3 rotates, the hook-shaped end part at the upper end of the main vehicle baffle 3 is clamped in the hook groove of the auxiliary vehicle baffle 4 to push the auxiliary vehicle baffle 4 to rotate anticlockwise, the screw rod nut frame 10 drives the connecting rod 13 to move and simultaneously drives the positioning pin 12 to move towards the direction of the limiting holes on the positioning plate 16 for positioning, the passing rail is carried out after the main vehicle baffle 3 and the auxiliary vehicle baffle 4 are opened, and when the main vehicle baffle 3 rotates clockwise and is opened, the warping plate rotates along with the main vehicle baffle 3, the rocker rotates clockwise to the main car track 1 from the abdicating groove, the anti-disengaging plate 24 rotates reversely through the torsion spring 25, the meshing teeth 26 on the anti-disengaging plate 24 are nested in the meshing groove 27 of the auxiliary car track 2, the servo motor 7 enables the helical gear worm and gear speed reducer 6 to drive the screw rod 9 to rotate reversely to enable the main car baffle 3 and the auxiliary car baffle 4 to be closed again after the track passing is completed, the rocker at the tail end of the main car baffle 3 rotates to the abdicating groove to push the anti-disengaging plate 24 to rotate clockwise to enable the meshing teeth 26 to leave the meshing groove 27, the positioning pin 12 withdraws from the positioning plate 16, and the limiting shafts 22 on the main car baffle 3 and the auxiliary car baffle 4 all rotate to the initial ends of the limiting grooves 23 corresponding to the limiting shafts.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a rail mechanism is crossed in pivot pin formula location for hoist, is including setting up the main car baffle on main car track and setting up the auxiliary vehicle baffle on the auxiliary vehicle track, its characterized in that: the main car track is internally and movably connected with a main car baffle through a pin shaft, the top end of the main car track is fixedly connected with a helical gear worm and gear speed reducer, the upper end of the helical gear worm and gear speed reducer is fixedly connected with a servo motor, a transmission shaft of the servo motor is connected with a worm of the helical gear worm and gear speed reducer through a coupling, a worm wheel of the helical gear worm and gear speed reducer is fixedly connected with a lead screw, the tail end of the main car track is fixedly connected with a lead screw frame, the other end of the lead screw, far away from the helical gear worm and gear speed reducer, is rotatably connected with the lead screw frame through a bearing, the lead screw is slidably connected with a lead screw nut frame through a lead screw nut, a connecting rod is fixedly connected to the lead screw nut frame at the position of the main car baffle, and the tail end of the connecting rod penetrates into the main car track and is movably connected with the main car baffle through a connecting plate, the anti-falling device is characterized in that an auxiliary vehicle baffle is movably connected into the auxiliary vehicle track through a pin shaft, limiting shafts are arranged on the front side wall and the rear side wall of the main vehicle baffle and the auxiliary vehicle baffle, limiting grooves are formed in the positions, located on the limiting shafts, of the side walls of the main vehicle track and the auxiliary vehicle track, dust covers are fixedly connected to the periphery, located on the lead screw frame and the lead screw, of the main vehicle track, and an anti-falling plate is movably connected to the bottom end of the main vehicle track through a pin shaft.
2. The pivot pin type positioning and rail passing mechanism for the crane according to claim 1, wherein: the upper end of the main vehicle baffle is of a hook-shaped structure, the upper end of the auxiliary vehicle baffle is of an arc-shaped structure, and a hook groove is formed in the position, corresponding to the upper end of the main vehicle baffle, of the upper end of the auxiliary vehicle baffle.
3. The pivot pin type positioning and rail passing mechanism for the crane according to claim 1, wherein: the top end of the auxiliary vehicle rail is fixedly connected with a positioning plate, the lead screw nut frame is fixedly connected with a positioning pin, and the lead screw frame and the positioning plate are provided with limiting holes at positions corresponding to the positioning pins.
4. The pivot pin type positioning and rail passing mechanism for the crane according to claim 3, wherein: the dust cover and the positioning plate are fixedly connected with fixing plates on the upper surfaces, and a main proximity switch and an auxiliary proximity switch are connected to the fixing plates respectively.
5. The pivot pin type positioning and rail passing mechanism for the crane according to claim 1, wherein: the main vehicle track is provided with a guide groove at a position corresponding to the connecting rod, the guide groove is of a rectangular structure, and the width of the guide groove is matched with that of the connecting rod.
6. The pivot pin type positioning and rail passing mechanism for the crane according to claim 1, wherein: the limiting shaft penetrates through the limiting groove, the limiting groove is of an arc structure, and the width of the limiting groove is matched with the outer diameter of the limiting shaft.
7. The pivot pin type positioning and rail passing mechanism for the crane according to claim 1, wherein: the end of the main car baffle is provided with a wane, a stepping groove is formed in the position, corresponding to the wane, of the main car track bottom plate, a torsion spring is arranged on a pin shaft connected with the anti-falling plate, the end of the upper surface of the anti-falling plate is provided with meshing teeth, and a meshing groove is formed in the position, corresponding to the meshing teeth, of the bottom plate of the auxiliary car track.
8. The pivot pin type positioning and rail passing mechanism for the crane according to claim 7, wherein: the dovetail groove is formed in the left side wall of the anti-falling plate, and a protruding block matched with the dovetail groove is arranged at the tail end of the wane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121519165.1U CN213865089U (en) | 2021-07-06 | 2021-07-06 | Pin type positioning rail passing mechanism for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121519165.1U CN213865089U (en) | 2021-07-06 | 2021-07-06 | Pin type positioning rail passing mechanism for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213865089U true CN213865089U (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121519165.1U Active CN213865089U (en) | 2021-07-06 | 2021-07-06 | Pin type positioning rail passing mechanism for crane |
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| Country | Link |
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| CN (1) | CN213865089U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114099253A (en) * | 2021-11-17 | 2022-03-01 | 常州市钱璟康复股份有限公司 | Rail changing control method for H-shaped rail |
-
2021
- 2021-07-06 CN CN202121519165.1U patent/CN213865089U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114099253A (en) * | 2021-11-17 | 2022-03-01 | 常州市钱璟康复股份有限公司 | Rail changing control method for H-shaped rail |
| CN114099253B (en) * | 2021-11-17 | 2023-12-26 | 常州市钱璟康复股份有限公司 | Rail changing control method for H-shaped rail |
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