CN111332944A - Gantry crane lifting appliance - Google Patents
Gantry crane lifting appliance Download PDFInfo
- Publication number
- CN111332944A CN111332944A CN202010257566.8A CN202010257566A CN111332944A CN 111332944 A CN111332944 A CN 111332944A CN 202010257566 A CN202010257566 A CN 202010257566A CN 111332944 A CN111332944 A CN 111332944A
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- Prior art keywords
- main
- lifting
- fixedly connected
- gantry crane
- auxiliary
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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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides
- B66C1/30—Duplicate, e.g. pivoted, members engaging the loads from two sides and also arranged to grip the sides of the loads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a gantry crane lifting appliance, which relates to the technical field of crane lifting appliances and comprises an auxiliary lifting plate, a main lifting plate and a clamping arm, wherein the bottom of the auxiliary lifting plate is fixedly connected with a lifting column, the middle part of the clamping arm is fixedly connected with a cross beam, and the middle part of the cross beam is provided with a moving groove. The invention can enable the lifting appliance to be connected with two ropes by arranging the auxiliary lifting plate and the main lifting plate, the auxiliary rope is tensioned when the lifting appliance descends, the auxiliary lifting plate and the main lifting plate are combined together to enable the clamping arm to be in an open state, the main rope is tensioned when the lifting appliance ascends to separate the auxiliary lifting plate from the main lifting plate, the clamping arm is clamped by a mechanical structure, energy consumed by a clamping part of a driving part is avoided, and the purpose of saving energy is achieved.
Description
Technical Field
The invention relates to the technical field of crane lifting appliances, in particular to a gantry crane lifting appliance.
Background
The gantry crane is a variant of a bridge crane and is also called a gantry crane. The device is mainly used for loading and unloading outdoor goods yards, stockyards and bulk goods. The portal crane has the characteristics of high site utilization rate, large operation range, wide application range, strong universality and the like, and is widely used in port goods yards. A gantry crane (also called a gantry crane) is a bridge crane in which a bridge is supported on a ground rail by legs at both sides. Structurally, the crane consists of a portal frame, a cart running mechanism, a hoisting trolley, an electric part and the like. Some gantry cranes have legs on one side only, and the other side is supported on a factory or a trestle to run, and are called semi-gantry cranes. The gantry crane comprises a gantry upper bridge (comprising a main beam and an end beam), supporting legs, a lower cross beam and the like. In order to enlarge the operation range of the crane, the main beam can extend out of the supporting legs to one side or two sides to form a cantilever. The crane can also adopt a crane trolley with an arm support, and the operation range of the crane is expanded through the pitching and the rotating of the arm support. The lifting appliance is a device for lifting and taking a heavy object in lifting machinery, the most commonly used lifting appliance for lifting and taking finished objects is a lifting hook, and other lifting rings, lifting hooks, lifting suckers, clamps, forks and the like are also provided.
At present, the clamp that portal crane used all needs initiative power to press from both sides tightly the goods, uses active component such as motor and pneumatic cylinder under the general condition, also can consume a lot of energy when pressing from both sides tight the goods, does not agree with energy saving and emission reduction advocated now to current portal crane clamp structure is too simple, and the stable clamp is pressed from both sides tightly the hoist to the object not convenient for when using, can not reduce the danger in the hoist and mount process.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a gantry crane lifting appliance which has the advantages of clamping articles without power, clamping goods firmly and the like, and solves the problems in the background art.
(II) technical scheme
In order to realize the purpose that the object is clamped and the goods are clamped firmly without the help of power, the invention provides the following technical scheme: the utility model provides a gantry crane hoist, includes vice hanger plate, main hanger plate and presss from both sides tight arm, the bottom fixedly connected with lift post of vice hanger plate, lift post activity is pegged graft at the middle part of main hanger plate, the bottom fixedly connected with lift engaging lug of lift post, the lift engaging lug has the connecting block through lift round pin axle swing joint, the connecting block has main rocking arm through middle round pin axle swing joint, the one end of main rocking arm with press from both sides tight arm fixed connection, press from both sides the middle part fixedly connected with crossbeam of tight arm, the shifting chute has been seted up at the middle part of crossbeam, the inside swing joint of shifting chute has the threaded rod, the middle part threaded connection of threaded rod has the telescopic link, the one end side swing joint of telescopic link has the rubber pad.
Preferably, the threaded rod has four, the telescopic link equals and looks adaptation with threaded rod quantity, the crossbeam is run through to the one end of threaded rod, the one end fixedly connected with crank of threaded rod, the other end of threaded rod passes through bearing and presss from both sides tight arm swing joint.
Preferably, the number of the clamping arms is two, and clamping jaws are fixedly connected to the bottoms of the two clamping arms.
Preferably, the top of the auxiliary lifting plate is fixedly connected with a main lifting ring, and the main lifting ring is fixedly connected with a main rope of the crane.
Preferably, the two ends of the auxiliary hanging plate are both provided with a rope connecting lug, the two ends of the main hanging plate are both provided with a rope penetrating hole, an auxiliary rope is movably inserted into the rope penetrating hole, and the rope connecting lug is fixedly connected with the auxiliary rope.
Preferably, the top of the clamping arm is fixedly connected with a lower end connecting lug, the lower end connecting lug is movably connected with an upper end connecting lug through a main pin shaft, and the top of the upper end connecting lug is fixedly connected with the bottom of the main hanging plate.
Preferably, the number of the connecting blocks is two, the two connecting blocks are symmetrically connected at the bottom of the lifting connecting lug through a lifting pin shaft, and the number of the main rotating arms is equal to that of the connecting blocks and is matched with that of the connecting blocks.
Preferably, the tops of the two connecting blocks are fixedly connected with inclined lugs, and the inclined lugs are movably connected with the lifting connecting lugs through lifting pin shafts.
Preferably, the bottom of the connecting block is fixedly connected with symmetrical connecting lugs, and the symmetrical connecting lugs are movably connected with connecting lugs on the main rotating arm through a middle pin shaft.
Three beneficial effects
Compared with the prior art, the invention provides a gantry crane lifting appliance, which has the following beneficial effects:
1. this gantry crane hoist, through setting up vice hanger plate and main hanger plate, can make the hoist connect two ropes, make vice rope taut when the hoist descends, merge vice hanger plate and main hanger plate together, make the tight arm of clamp be the state of opening, make main rope taut when the hoist rises, part vice hanger plate and main hanger plate, utilize mechanical structure to press from both sides tight arm clamp, avoided the energy of initiative part clamping component consumption, reached energy-conserving purpose.
2. This gantry crane hoist through setting up the crossbeam, can make the telescopic link carry out lateral shifting, utilizes the crank to drive the position that can change the telescopic link after the threaded rod is rotatory, makes the article that the rubber pad on the telescopic link will press from both sides the dress press from both sides tightly, reaches the purpose that improves and press from both sides dress stability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a schematic structural view of the present invention;
FIG. 5 is a schematic view of the structure of the present invention.
In the figure: 1. a main hoisting ring; 2. an auxiliary hanger plate; 3. a main hanger plate; 4. a clamp arm; 5. a rubber pad; 6. a threaded rod; 7. a telescopic rod; 8. a clamping jaw; 9. a cross beam; 10. a crank; 11. connecting blocks; 12. a lifting column; 13. a stringing hole; 14. a rope connecting lug; 15. the end part is connected with a lug; 16. a king pin shaft; 17. the lower connecting lug at the end part; 18. a main rotating arm; 19. a middle pin shaft; 20. the lugs are symmetrically connected; 21. a lifting pin shaft; 22. a moving groove; 23. ear deflection; 24. the lifting connection lug.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a gantry crane sling comprises two auxiliary lifting plates 2, two main lifting plates 3 and two clamping arms 4, wherein the bottoms of the two clamping arms 4 are fixedly connected with clamping jaws 8, the top of the auxiliary lifting plate 2 is fixedly connected with a main lifting ring 1, the main lifting ring 1 is fixedly connected with a main rope of a crane, two ends of the auxiliary lifting plate 2 are respectively provided with a rope connecting lug 14, two ends of the main lifting plate 3 are respectively provided with a rope penetrating hole 13, an auxiliary rope is movably inserted in the rope penetrating hole 13, the rope connecting lugs 14 are fixedly connected with the auxiliary rope, the bottom of the auxiliary lifting plate 2 is fixedly connected with lifting columns 12, the lifting columns 12 are movably inserted in the middle of the main lifting plate 3, the bottoms of the lifting columns 12 are fixedly connected with lifting connection lugs 24, the lifting connection lugs 24 are movably connected with connection blocks 11 through lifting pin shafts 21, the connection blocks 11 are two, the two connection blocks 11 are symmetrically connected at the bottoms of the lifting connection lugs 24 through the lifting pin shafts 21, the number of the main rotating arms 18 is equal to that of the connecting blocks 11, the tops of the two connecting blocks 11 are fixedly connected with inclined lugs 23, the inclined lugs 23 are movably connected with lifting connecting lugs 24 through lifting pin shafts 21, the connecting blocks 11 are movably connected with the main rotating arms 18 through middle pin shafts 19, the bottoms of the connecting blocks 11 are fixedly connected with symmetrical connecting lugs 20, the symmetrical connecting lugs 20 are movably connected with connecting lugs on the main rotating arms 18 through the middle pin shafts 19, one ends of the main rotating arms 18 are fixedly connected with the clamping arms 4, the tops of the clamping arms 4 are fixedly connected with lower end connecting lugs 17, the lower end connecting lugs 17 are movably connected with upper end connecting lugs 15 through main pin shafts 16, the tops of the upper end connecting lugs 15 are fixedly connected with the bottoms of the main hanging plates 3, the middle parts of the clamping arms 4 are fixedly connected with cross beams 9, the middle parts of the cross beams 9 are provided with moving grooves 22, and, the middle part threaded connection of threaded rod 6 has telescopic link 7, and the one end side swing joint of telescopic link 7 has rubber pad 5, and threaded rod 6 has four, and telescopic link 7 equals and the looks adaptation with threaded rod 6 quantity, and crossbeam 9 is run through to the one end of threaded rod 6, and the one end fixedly connected with crank 10 of threaded rod 6, the other end of threaded rod 6 passes through bearing and presss from both sides tight arm 4 swing joint.
When in use, the main rope connected with the main hanging ring 1 is firstly released, the auxiliary rope which passes through the rope penetrating hole 13 and is connected with the rope connecting lug 14 is tensioned, the weight of the hanger is born by the auxiliary rope, the auxiliary hanging plate 2 is tightly attached with the main hanging plate 3 under the tension of the auxiliary rope, the lifting column 12 descends relative to the main hanging plate 3, the connecting block 11 pushes the main rotating arm 18 to rotate, the clamping arms 4 rotate around the main pin shaft 16, the two clamping arms 4 are opened, when the hanger can clamp an object, the gravity of the hanger is transferred to the main rope connected with the main hanging ring 1, the auxiliary hanging plate 2 is separated from the main hanging plate 3 in the tensioning process of the main rope, the two clamping arms 4 are mutually close, the clamping jaws 8 are inserted into the lower part of the object, then the threaded rod 6 is rotated by the crank 10, the telescopic rod 7 is moved in the moving groove 22, and the four rubber pads 5 are tightly attached with the object, guarantee article can not rock on clamping jaw 8, then utilize the main rope of being connected with main rings 1 to pull up the hoist, hoist article to another place.
In conclusion, the portal crane lifting appliance can be connected with two ropes by arranging the auxiliary lifting plate 2 and the main lifting plate 3, the auxiliary ropes are tensioned when the lifting appliance descends, the auxiliary lifting plate 2 and the main lifting plate 3 are combined together, the clamping arm 4 is in an open state, the main ropes are tensioned when the lifting appliance ascends, the auxiliary lifting plate 2 and the main lifting plate 3 are separated, the clamping arm 4 is clamped by a mechanical structure, energy consumed by a clamping part of an active part is avoided, the energy-saving purpose is achieved, the telescopic rod 7 can move transversely by arranging the cross beam 9, the position of the telescopic rod 7 can be changed after the crank 10 drives the threaded rod 6 to rotate, a rubber pad 5 on the telescopic rod 7 clamps clamped objects, and the purpose of improving the clamping stability is achieved.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
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 (9)
1. The utility model provides a gantry crane hoist, includes vice hanger plate (2), main hanger plate (3) and clamping arm (4), its characterized in that: the bottom of the auxiliary hanging plate (2) is fixedly connected with a lifting column (12), the lifting column (12) is movably inserted in the middle of the main hanging plate (3), the bottom of the lifting column (12) is fixedly connected with a lifting connecting lug (24), the lifting connecting lug (24) is movably connected with a connecting block (11) through a lifting pin shaft (21), the connecting block (11) is movably connected with a main rotating arm (18) through a middle pin shaft (19), one end of the main rotating arm (18) is fixedly connected with the clamping arm (4), the middle part of the clamping arm (4) is fixedly connected with a cross beam (9), a moving groove (22) is formed in the middle of the cross beam (9), a threaded rod (6) is movably connected inside the moving groove (22), the middle part threaded connection of threaded rod (6) has telescopic link (7), the one end side swing joint of telescopic link (7) has rubber pad (5).
2. A gantry crane spreader according to claim 1, wherein: threaded rod (6) have four, telescopic link (7) equal and looks adaptation with threaded rod (6) quantity, crossbeam (9) are run through to the one end of threaded rod (6), the one end fixedly connected with crank (10) of threaded rod (6), the other end of threaded rod (6) passes through bearing and presss from both sides tight arm (4) swing joint.
3. A gantry crane spreader according to claim 1, wherein: the clamping arms (4) are two, and clamping jaws (8) are fixedly connected to the bottoms of the clamping arms (4).
4. A gantry crane spreader according to claim 1, wherein: the top of the auxiliary hanging plate (2) is fixedly connected with a main hanging ring (1), and the main hanging ring (1) is fixedly connected with a main rope of the crane.
5. A gantry crane spreader according to claim 1, wherein: the rope connecting lugs (14) are arranged at two ends of the auxiliary hanging plate (2), the rope penetrating holes (13) are arranged at two ends of the main hanging plate (3), auxiliary ropes are movably inserted into the rope penetrating holes (13), and the rope connecting lugs (14) are fixedly connected with the auxiliary ropes.
6. A gantry crane spreader according to claim 1, wherein: the top fixedly connected with end of pressing from both sides tight arm (4) under engaging lug (17), engaging lug (17) have engaging lug (15) on the tip through swizzle axle (16) swing joint under the tip, the top of engaging lug (15) on the tip and the bottom fixed connection of main hanger plate (3).
7. A gantry crane spreader according to claim 1, wherein: the two connecting blocks (11) are symmetrically connected at the bottoms of the lifting connecting lugs (24) through lifting pin shafts (21), and the number of the main rotating arms (18) is equal to that of the connecting blocks (11) and is matched with that of the connecting blocks.
8. A gantry crane spreader according to claim 1 or 7, wherein: the top of the two connecting blocks (11) is fixedly connected with a deviation ear (23), and the deviation ear (23) is movably connected with a lifting connecting ear (24) through a lifting pin shaft (21).
9. A gantry crane spreader according to claim 1, wherein: the bottom fixedly connected with symmetry engaging lug (20) of connecting block (11), symmetry engaging lug (20) are through middle round pin axle (19) and the engaging lug swing joint on main rocking arm (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010257566.8A CN111332944A (en) | 2020-04-03 | 2020-04-03 | Gantry crane lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010257566.8A CN111332944A (en) | 2020-04-03 | 2020-04-03 | Gantry crane lifting appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111332944A true CN111332944A (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010257566.8A Pending CN111332944A (en) | 2020-04-03 | 2020-04-03 | Gantry crane lifting appliance |
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| Country | Link |
|---|---|
| CN (1) | CN111332944A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113843886A (en) * | 2021-10-11 | 2021-12-28 | 北京好运达智创科技有限公司 | Cover beam lifting and moving demolding device and demolding method |
| CN114800389A (en) * | 2022-04-07 | 2022-07-29 | 国网江苏省电力有限公司宝应县供电分公司 | Adjustable vacuum circuit breaker energy storage spring assembling and disassembling tool |
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|---|---|---|---|---|
| CN2447317Y (en) * | 2000-11-07 | 2001-09-12 | 杭州钢铁集团公司 | Sheet heat-treated sling |
| US20030168872A1 (en) * | 2002-03-06 | 2003-09-11 | Zakula Daniel Brian | Grappler with horizontal contact shoe |
| CN104291210A (en) * | 2014-06-18 | 2015-01-21 | 国家电网公司 | Hoisting apparatus |
| CN207072761U (en) * | 2017-08-23 | 2018-03-06 | 南阳英良石业有限公司 | A kind of mechanical suspender |
| CN108639934A (en) * | 2018-06-14 | 2018-10-12 | 泰州三羊重型机械有限公司 | A kind of novel hanging equipment |
| CN110316652A (en) * | 2019-05-10 | 2019-10-11 | 郑州铁路职业技术学院 | A kind of railway freight hanging device |
-
2020
- 2020-04-03 CN CN202010257566.8A patent/CN111332944A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2447317Y (en) * | 2000-11-07 | 2001-09-12 | 杭州钢铁集团公司 | Sheet heat-treated sling |
| US20030168872A1 (en) * | 2002-03-06 | 2003-09-11 | Zakula Daniel Brian | Grappler with horizontal contact shoe |
| CN104291210A (en) * | 2014-06-18 | 2015-01-21 | 国家电网公司 | Hoisting apparatus |
| CN207072761U (en) * | 2017-08-23 | 2018-03-06 | 南阳英良石业有限公司 | A kind of mechanical suspender |
| CN108639934A (en) * | 2018-06-14 | 2018-10-12 | 泰州三羊重型机械有限公司 | A kind of novel hanging equipment |
| CN110316652A (en) * | 2019-05-10 | 2019-10-11 | 郑州铁路职业技术学院 | A kind of railway freight hanging device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113843886A (en) * | 2021-10-11 | 2021-12-28 | 北京好运达智创科技有限公司 | Cover beam lifting and moving demolding device and demolding method |
| CN114800389A (en) * | 2022-04-07 | 2022-07-29 | 国网江苏省电力有限公司宝应县供电分公司 | Adjustable vacuum circuit breaker energy storage spring assembling and disassembling tool |
| CN114800389B (en) * | 2022-04-07 | 2024-01-26 | 国网江苏省电力有限公司宝应县供电分公司 | Adjustable vacuum circuit breaker energy storage spring assembling and disassembling tool |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20200626 |