CN212639753U - U-shaped double-beam portal crane - Google Patents
U-shaped double-beam portal crane Download PDFInfo
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- CN212639753U CN212639753U CN202021239682.9U CN202021239682U CN212639753U CN 212639753 U CN212639753 U CN 212639753U CN 202021239682 U CN202021239682 U CN 202021239682U CN 212639753 U CN212639753 U CN 212639753U
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- 229910001651 emery Inorganic materials 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 description 17
- 230000003139 buffering effect Effects 0.000 description 5
- 210000000080 chela (arthropods) Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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Abstract
The utility model discloses a U type double-beam gantry crane, including support arm, base and second casing, the bottom fixedly connected with base of support arm, the below of base is provided with the track, the equal fixedly connected with walking wheel in bottom of base, and the bottom of walking wheel extends to orbital inside, the walking groove has all been seted up to the inside at track both ends, the top fixedly connected with girder of support arm, and the equal fixedly connected with U type pillar in both sides on girder top. The utility model discloses a control second servo motor starts to drive the second pivot and rotates, because for the meshing cooperation between driving gear and the driven gear, make driven gear rotate, make the rack move the inside that drives lifting hook rebound and get into the movable groove in vertical direction, realized carrying out the during operation at the hoist, through the rack with lifting hook income movable groove in, prevent that the unhook phenomenon from leading to the accident that drops.
Description
Technical Field
The utility model relates to a hoist technical field specifically is a U type double beam gantry crane.
Background
Gantry cranes, also known as gantry cranes, are a kind of machinery for carrying or unloading heavy objects, move the heavy object to the place of the lock demand through the cyclic motion of machinery, widely used in many fields such as energy, real estate, petrochemical industry, warehouse logistics and containers, wherein the gantry cranes are divided into single girder and double girders, the double girder crane has the characteristics of carrying capacity cavity, large span, good overall stability, because of the large mass size, the double girder gantry crane mainly applies to the open-air working environment, occupies a large proportion in the crane, and the traditional U-shaped double girder gantry crane has a lot of deficiencies during operation.
When the first and the traditional U-shaped double-beam portal cranes are used, the unhooking phenomenon is easy to occur, and a hanging rope is separated from a lifting hook, so that heavy objects fall off to cause accidents;
secondly, when the traditional U-shaped double-beam portal crane is used, sundries and dust are easily scattered on the track, the operation of the crane is influenced, and manual cleaning is complicated;
third, traditional U type double beam gantry crane does not have the braking function when using, realizes transport work through electric block is last to move, easily appears sliding phenomenon.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a U type double-beam gantry crane to the unhook phenomenon appears easily that provides in solving above-mentioned background art, artifical clearance track is comparatively loaded down with trivial details and do not have brake function's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a U-shaped double-beam portal crane comprises a supporting arm, a base and a second shell, wherein the base is fixedly connected to the bottom end of the supporting arm, a track is arranged below the base, walking wheels are uniformly and fixedly connected to the bottom end of the base, the bottom ends of the walking wheels extend into the track, walking grooves are formed in the two ends of the track, a main beam is fixedly connected to the top end of the supporting arm, U-shaped pillars are fixedly connected to the two sides of the top end of the main beam, a protective guard is fixedly connected to one end of the top end of the main beam below the U-shaped pillars, the second shell is arranged in the middle of the top end of the main beam, a first servo motor is fixedly connected to one side of the inside of the second shell through a fixing piece, a first rotating shaft is fixedly connected to the output end of the first servo motor, and rollers are fixedly connected to one end of the, be provided with first belt between one side of running roller outer wall, the outer wall of running roller all is provided with the lifting rope, and the bottom of lifting rope all extends to the below of girder, the bottom fixedly connected with box of lifting rope, the inside both sides of box all are provided with the rack, the mounting fixedly connected with brake pump is passed through to the one end of second casing, the outer wall of the inside third pivot of second casing is provided with arrestment mechanism.
Preferably, the even fixedly connected with fixed block in both ends of base, the below of fixed block all has the clearance brush through articulated elements swing joint, and the bottom of clearance brush all extends to the inside in walking groove, the first spring of one end fixedly connected with of clearance brush, and the equal fixed connection in one end of base of one end of first spring.
Preferably, inside one end fixed connection third servo motor of second casing, third servo motor's output end fixedly connected with third pivot, and the one end swing joint of third pivot in the inside one end of second casing, the both sides of the inside third pivot of second casing all are provided with changes the roller, it is equipped with the second belt all to overlap between the outer wall of roller and third pivot, the spout has evenly been seted up to the inside on girder top, the both ends of changeing the roller all are provided with resistant emery wheel, and the bottom of wearing wheel extends to the inside of spout.
Preferably, the equal fixedly connected with slider in one side of rack, and one side of slider all extends to the inside of box, the inside one end fixedly connected with second servo motor of box, and second servo motor's output fixedly connected with second pivot, the one end fixedly connected with driving gear of rack one side second pivot, be provided with driven gear between one side of the rack of driving gear one side, the first casing of bottom fixedly connected with of box, the movable groove has all been seted up to the inside both sides of first casing, the equal fixedly connected with lifting hook in bottom of rack, and the bottom of lifting hook runs through the below that extends to first casing in the inside of movable groove.
Preferably, the inside of the brake mechanism is provided with a first friction plate, a second friction plate, a movable plug, an oil groove, a brake caliper, an oil pipe, a sleeve block, a movable rod and a second spring in sequence, the outer wall of the third rotating shaft is sleeved with the brake caliper, the first friction plate is fixedly connected to one side of the brake caliper, one side of the first friction plate extends to one side of the third rotating shaft, the oil groove is formed in the other side of the brake caliper, the movable plug is arranged in the oil groove, the second friction plate is fixedly connected to one side of the movable plug, one side of the second friction plate extends to one side of the third rotating shaft, the oil pipe is arranged on one side of the oil groove, and one side of the oil pipe is fixedly connected to one side.
Preferably, the movable rod is fixedly connected to one end inside the second shell through a fixing piece, a sleeve block is sleeved on the outer wall of the movable rod, one end of the sleeve block is fixedly connected to one end of the brake caliper, and a second spring is sleeved on the outer wall of the movable rod on one side of the sleeve block.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the lifting hook is retracted into the movable groove through the gear strip when the crane works, and the falling accident caused by the unhooking phenomenon is prevented;
(2) the cleaning brushes, the rail, the walking groove, the fixed block and the first spring are arranged, and the cleaning brushes are arranged at the two ends of the base, so that when the crane walks on the rail, the cleaning brushes are movably connected with the fixed block through the hinged parts, the first spring is stressed and compressed or stretched to play a buffering role, the cleaning brushes are prevented from being damaged due to stress, the cleaning of dust and impurities on the rail is realized while the crane runs, and the crane is ensured to walk stably;
(3) through being provided with first friction disc, the second friction disc, the movable plug, the oil groove, braking pincers, oil pipe, the cover block, movable rod and second spring, control brake pump starts, the inside brake oil of brake pump passes through the inside of oil pipe entering oil groove, make the movable plug drive second friction disc extrusion third pivot in the oil groove internalization, the cover block moves right simultaneously, force second spring atress compression to play the cushioning effect, make the cover block drive braking pincers and move right, cause braking pincers to drive first friction disc extrusion third pivot, make the third pivot by the braking, realized need stop when electric block moves on the girder, brake the motor shaft, prevent the slip phenomenon.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is a schematic side sectional view of the present invention;
FIG. 3 is a schematic top sectional view of the case of the present invention;
fig. 4 is a schematic top sectional view of the second housing of the present invention;
fig. 5 is an enlarged schematic structural diagram of a in fig. 4 according to the present invention.
In the figure: 1. a support arm; 2. a base; 3. cleaning the brush; 4. a track; 5. a traveling groove; 6. a driving gear; 7. a gear rack; 8. a hook; 9. a movable groove; 10. a first housing; 11. a box body; 12. a driven gear; 13. a slider; 14. a fixed block; 15. a lifting rope; 16. a main beam; 17. a U-shaped strut; 18. protecting the fence; 19. a second housing; 20. a traveling wheel; 21. a first spring; 22. a roller; 23. a first belt; 24. a first rotating shaft; 25. a first servo motor; 26. a chute; 27. a wear resistant wheel; 28. a second servo motor; 29. a second rotating shaft; 30. a brake pump; 31. rotating the roller; 32. a third servo motor; 33. a second belt; 34. a third rotating shaft; 35. a brake mechanism; 3501. a first friction plate; 3502. a second friction plate; 3503. a movable plug; 3504. an oil sump; 3505. a brake caliper; 3506. an oil pipe; 3507. sleeving blocks; 3508. a movable rod; 3509. a second spring.
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.
Referring to fig. 1-5, the present invention provides a technical solution: a U-shaped double-beam portal crane comprises a supporting arm 1, a base 2 and a second shell 19, wherein the base 2 is fixedly connected to the bottom end of the supporting arm 1, a track 4 is arranged below the base 2, walking wheels 20 are uniformly and fixedly connected to the bottom end of the base 2, the bottom ends of the walking wheels 20 extend to the inside of the track 4, and walking grooves 5 are formed in the inner portions of two ends of the track 4;
the two ends of the base 2 are uniformly and fixedly connected with fixing blocks 14, the lower parts of the fixing blocks 14 are movably connected with cleaning brushes 3 through hinge parts, the bottom ends of the cleaning brushes 3 extend into the traveling groove 5, one ends of the cleaning brushes 3 are fixedly connected with first springs 21, and one ends of the first springs 21 are fixedly connected to one end of the base 2;
specifically, as shown in fig. 1 and 2, when the device is used, when the crane travels on the track 4, the cleaning brush 3 is movably connected with the fixed block 14 through the hinge, so that the first spring 21 is stressed to be compressed or stretched, a buffering effect is achieved, the cleaning brush 3 is prevented from being damaged due to stress, and the cleaning brush 3 cleans the traveling groove 5 in the traveling process;
the top end of the supporting arm 1 is fixedly connected with a main beam 16, two sides of the top end of the main beam 16 are fixedly connected with U-shaped pillars 17, one end of the top end of the main beam 16 below the U-shaped pillars 17 is fixedly connected with a protective guard 18, the middle position of the top end of the main beam 16 is provided with a second shell 19, one side inside the second shell 19 is fixedly connected with a first servo motor 25 through a fixing piece, the model of the first servo motor 25 can be YZ132M1-6, the output end of the first servo motor 25 is fixedly connected with a first rotating shaft 24, one end of the first rotating shaft 24 and one end inside the second shell 19 are both fixedly connected with rollers 22, a first belt 23 is arranged between one sides of the outer walls of the rollers 22, the outer walls of the rollers 22 are both provided with lifting ropes 15, and the bottom ends of the lifting ropes 15;
one end inside the second shell 19 is fixedly connected with a third servo motor 32, the model of the third servo motor 32 can be YZ132M1-6, the output end of the third servo motor 32 is fixedly connected with a third rotating shaft 34, one end of the third rotating shaft 34 is movably connected with one end inside the second shell 19, two sides of the third rotating shaft 34 inside the second shell 19 are respectively provided with a rotating roller 31, a second belt 33 is sleeved between the outer walls of the rotating rollers 31 and the third rotating shaft 34, a sliding groove 26 is uniformly formed in the top end of the main beam 16, two ends of each rotating roller 31 are respectively provided with a wear-resistant wheel 27, and the bottom end of each wear-resistant wheel 27 extends into the sliding groove 26;
specifically, as shown in fig. 1 and 4, when the device is used, the third servo motor 32 is controlled to start to drive the third rotating shaft 34 to rotate, the third rotating shaft 34 drives the rotating roller 31 to rotate as the third rotating shaft 34 and the rotating roller 31 are connected through the second belt 33, and the second shell 19 moves above the main beam 16 as the abrasion-resistant wheel 27 and the chute 26 are in sliding fit;
the bottom end of the lifting rope 15 is fixedly connected with a box body 11, and gear bars 7 are arranged on two sides inside the box body 11;
one side of the gear rack 7 is fixedly connected with a sliding block 13, one side of the sliding block 13 extends into the box body 11, one end of the inside of the box body 11 is fixedly connected with a second servo motor 28, the type of the second servo motor 28 can be YZ132M1-6, the output end of the second servo motor 28 is fixedly connected with a second rotating shaft 29, one end of the second rotating shaft 29 at one side of the gear rack 7 is fixedly connected with a driving gear 6, a driven gear 12 is arranged between one side of the gear rack 7 at one side of the driving gear 6, the bottom end of the box body 11 is fixedly connected with a first shell 10, two sides of the inside of the first shell 10 are respectively provided with a movable groove 9, the bottom end of the gear rack 7 is respectively and fixedly connected with a lifting hook 8, and the bottom end of the lifting hook 8 penetrates through the inside of the movable groove 9 and;
specifically, as shown in fig. 1 and 3, when the device is used, the second servo motor 28 is controlled to start to drive the second rotating shaft 29 to rotate, the driving gear 6 and the driven gear 12 are in meshing fit, so that the driven gear 12 rotates, the gear rack 7 is in sliding fit with the box body 11 through the sliding block 13 because the gear rack 7 is in meshing fit with the driving gear 6 and the driven gear 12, so that the gear rack 7 drives the hook 8 to move upwards to enter the movable groove 9, and the gear rack 7 retracts the hook 8 into the movable groove 9;
one end of the second shell 19 is fixedly connected with a brake pump 30 through a fixing piece, the type of the brake pump 30 can be DBM-10, and a brake mechanism 35 is arranged on the outer wall of a third rotating shaft 34 in the second shell 19;
a first friction plate 3501, a second friction plate 3502, a movable plug 3503, an oil groove 3504, a brake caliper 3505, an oil pipe 3506, a sleeve block 3507, a movable rod 3508 and a second spring 3509 are sequentially arranged inside the brake mechanism 35, the brake caliper 3505 is sleeved on the outer wall of the third rotating shaft 34, one side of the brake caliper 3505 is fixedly connected with the first friction plate 3501, one side of the first friction plate 3501 extends to one side of the third rotating shaft 34, the oil groove 3504 is arranged inside the other side of the brake caliper 3505, the movable plug 3503 is arranged inside the oil groove 3504, one side of the movable plug 3503 is fixedly connected with the second friction plate 3502, one side of the second friction plate 3502 extends to one side of the third rotating shaft 34, the oil pipe 3506 is arranged on one side of the oil groove 3504, and one side of the oil pipe 3506 is fixedly connected to;
specifically, as shown in fig. 4 and 5, when the device is used, the brake pump 30 is controlled to be started, brake oil inside the brake pump 30 enters the oil tank 3504 through the oil pipe 3506, so that the movable plug 3503 moves in the oil tank 3504 to drive the second friction plate 3502 to press the third rotating shaft 34, and meanwhile, the sleeve block 3507 moves to the right;
the movable rod 3508 is fixedly connected to one end inside the second housing 19 through a fixing piece, a sleeve 3507 is sleeved on the outer wall of the movable rod 3508, one end of the sleeve 3507 is fixedly connected to one end of the brake caliper 3505, and a second spring 3509 is sleeved on the outer wall of the movable rod 3508 on one side of the sleeve 3507;
specifically, as shown in fig. 4 and 5, when the set block 3507 moves rightwards, the second spring 3509 is compressed by force to play a role in buffering, so that the set block 3507 drives the brake caliper 3505 to move rightwards, and the brake caliper 3505 drives the first friction plate 3501 to press the third rotating shaft 34, so that the third rotating shaft 34 is braked.
The working principle is as follows: when the device is used, firstly, the crane is pushed to walk on the track 4 through the trolley, the cleaning brushes 3 are arranged at the two ends of the base 2, when the crane walks on the track 4, the cleaning brushes 3 are movably connected with the fixed block 14 through the hinged parts, so that the first spring 21 is stressed to be compressed or stretched, a buffering effect is achieved, the cleaning brushes 3 are prevented from being damaged due to stress, and the cleaning brushes 3 clean the walking groove 5 in the walking process;
then, after the crane moves to a proper position, the crane starts working, the third rotating shaft 34 is driven to rotate by controlling the third servo motor 32 to start, the third rotating shaft 34 and the rotating roller 31 are connected through the second belt 33, the third rotating shaft 34 drives the rotating roller 31 to rotate, the second shell 19 moves above the main beam 16 due to the sliding fit between the abrasion-resistant wheel 27 and the chute 26, after the crane moves to a proper position, the first servo motor 25 is controlled to start to drive the first servo motor 25 to rotate, the two rollers 22 are connected and driven to rotate simultaneously through the first belt 23, the lifting rope 15 drives the lifting hook 8 to move downwards to a heavy object to be lifted, then the heavy object is manually hung on the lifting hook 8 through the hanging rope, the second servo motor 28 is controlled to start to drive the second rotating shaft 29 to rotate, the driven gear 12 rotates due to the meshing fit between the driving gear 6 and the driven gear 12, because the gear rack 7 is in meshing fit with the driving gear 6 and the driven gear 12, the gear rack 7 is in sliding fit with the box body 11 through the sliding block 13, so that the gear rack 7 moves in the vertical direction, the gear rack 7 drives the lifting hook 8 to move upwards to enter the movable groove 9, the gear rack 7 takes the lifting hook 8 into the movable groove 9, and then the first servo motor 25 is controlled to be started to be in a reverse motion state to lift a heavy object;
finally, when the electric hoist needs to be braked in the working process, the brake pump 30 is controlled to be started, brake oil in the brake pump 30 enters the oil groove 3504 through the oil pipe 3506, so that the movable plug 3503 moves in the oil groove 3504 to drive the second friction plate 3502 to extrude the third rotating shaft 34, meanwhile, the sleeve block 3507 moves rightwards, the second spring 3509 is forced to be compressed to play a buffering role, the sleeve block 3507 drives the brake caliper 3505 to move rightwards, the brake caliper 3505 drives the first friction plate 3501 to extrude the third rotating shaft 34, and the third rotating shaft 34 is braked.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a U type double beam gantry crane, includes support arm (1), base (2) and second casing (19), its characterized in that: the bottom of the support arm (1) is fixedly connected with a base (2), a track (4) is arranged below the base (2), walking wheels (20) are uniformly and fixedly connected to the bottom of the base (2), the bottom of the walking wheels (20) extends to the inside of the track (4), walking grooves (5) are formed in the two ends of the track (4), a main beam (16) is fixedly connected to the top end of the support arm (1), U-shaped pillars (17) are fixedly connected to the two sides of the top end of the main beam (16), a protective guard (18) is fixedly connected to one end of the top end of the main beam (16) below the U-shaped pillars (17), a second shell (19) is arranged at the middle position of the top end of the main beam (16), a first servo motor (25) is fixedly connected to one side of the inside of the second shell (19) through a fixing piece, and a first rotating shaft (24) is fixedly connected to the output end of the, the utility model discloses a brake device, including the one end of first pivot (24) and the equal fixedly connected with running roller (22) of the inside one end of second casing (19), be provided with first belt (23) between one side of running roller (22) outer wall, the outer wall of running roller (22) all is provided with lifting rope (15), and the bottom of lifting rope (15) all extends to the below of girder (16), the bottom fixedly connected with box (11) of lifting rope (15), the inside both sides of box (11) all are provided with rack (7), mounting fixedly connected with brake pump (30) is passed through to the one end of second casing (19), the outer wall of the inside third pivot (34) of second casing (19) is provided with arrestment mechanism (35).
2. A U-shaped double-beam gantry crane according to claim 1, characterized in that: the even fixedly connected with fixed block in both ends (14) of base (2), the below of fixed block (14) all has clearance brush (3) through articulated elements swing joint, and the bottom of clearance brush (3) all extends to the inside in walking groove (5), the first spring of one end fixedly connected with (21) of clearance brush (3), and the equal fixed connection in one end of base (2) of the one end of first spring (21).
3. A U-shaped double-beam gantry crane according to claim 1, characterized in that: one side of the gear rack (7) is fixedly connected with a sliding block (13), one side of the sliding block (13) extends into the box body (11), one end inside the box body (11) is fixedly connected with a second servo motor (28), and the output end of the second servo motor (28) is fixedly connected with a second rotating shaft (29), one end of a second rotating shaft (29) at one side of the gear rack (7) is fixedly connected with a driving gear (6), a driven gear (12) is arranged between one side of the gear rack (7) at one side of the driving gear (6), the bottom end of the box body (11) is fixedly connected with a first shell (10), two sides of the interior of the first shell (10) are respectively provided with a movable groove (9), the bottom ends of the gear bars (7) are respectively and fixedly connected with a lifting hook (8), and the bottom end of the lifting hook (8) penetrates through the interior of the movable groove (9) and extends to the lower part of the first shell (10).
4. A U-shaped double-beam gantry crane according to claim 1, characterized in that: inside one end fixed connection third servo motor (32) of second casing (19), the output fixedly connected with third pivot (34) of third servo motor (32), and the one end swing joint of third pivot (34) is in the inside one end of second casing (19), the both sides of the inside third pivot (34) of second casing (19) all are provided with changes roller (31), it is equipped with second belt (33) all to overlap between the outer wall of roller (31) and third pivot (34), spout (26) have evenly been seted up to the inside on girder (16) top, the both ends of changeing roller (31) all are provided with resistant emery wheel (27), and the bottom of resistant emery wheel (27) extends to the inside of spout (26).
5. A U-shaped double-beam gantry crane according to claim 1, characterized in that: a first friction plate (3501), a second friction plate (3502), a movable plug (3503), an oil groove (3504), a brake caliper (3505), an oil pipe (3506), a sleeve block (3507), a movable rod (3508) and a second spring (3509) are sequentially arranged inside the brake mechanism (35), the brake caliper (3505) is sleeved on the outer wall of the third rotating shaft (34), one side of the brake caliper (3505) is fixedly connected with the first friction plate (3501), one side of the first friction plate (3501) extends to one side of the third rotating shaft (34), the oil groove (3504) is formed inside the other side of the brake caliper (3505), the movable plug (3503) is arranged inside the oil groove (3504), the second friction plate (3502) is fixedly connected to one side of the movable plug (3503), one side of the second friction plate (3502) extends to one side of the third rotating shaft (34), and one side of the oil groove (3506) is arranged on one side of the oil groove (3504), and one side of the oil pipe (3506) is fixedly connected to one side of the brake pump (30).
6. A U-shaped double-beam gantry crane according to claim 5, characterized in that: the movable rod (3508) is fixedly connected to one end inside the second shell (19) through a fixing piece, a sleeve block (3507) is sleeved on the outer wall of the movable rod (3508), one end of the sleeve block (3507) is fixedly connected to one end of the brake caliper (3505), and a second spring (3509) is sleeved on the outer wall of the movable rod (3508) on one side of the sleeve block (3507).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021239682.9U CN212639753U (en) | 2020-06-30 | 2020-06-30 | U-shaped double-beam portal crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021239682.9U CN212639753U (en) | 2020-06-30 | 2020-06-30 | U-shaped double-beam portal crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212639753U true CN212639753U (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021239682.9U Expired - Fee Related CN212639753U (en) | 2020-06-30 | 2020-06-30 | U-shaped double-beam portal crane |
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| Country | Link |
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| CN (1) | CN212639753U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114148923A (en) * | 2021-11-25 | 2022-03-08 | 南京龙潭铁路有限公司 | Automatic braking and anti-skidding device for portal crane safety protection for container in port and wharf |
| CN116281638A (en) * | 2023-05-25 | 2023-06-23 | 河南省大方重型机器有限公司 | Portal crane with clearance structure |
| CN114148923B (en) * | 2021-11-25 | 2024-10-22 | 南京龙潭铁路有限公司 | Automatic braking anti-skid device for gantry crane safety protection for container at port and wharf |
-
2020
- 2020-06-30 CN CN202021239682.9U patent/CN212639753U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114148923A (en) * | 2021-11-25 | 2022-03-08 | 南京龙潭铁路有限公司 | Automatic braking and anti-skidding device for portal crane safety protection for container in port and wharf |
| CN114148923B (en) * | 2021-11-25 | 2024-10-22 | 南京龙潭铁路有限公司 | Automatic braking anti-skid device for gantry crane safety protection for container at port and wharf |
| CN116281638A (en) * | 2023-05-25 | 2023-06-23 | 河南省大方重型机器有限公司 | Portal crane with clearance structure |
| CN116281638B (en) * | 2023-05-25 | 2023-08-11 | 河南省大方重型机器有限公司 | Portal crane with clearance structure |
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