CN118850991B - Double-beam gantry crane with anti-tilt structure - Google Patents
Double-beam gantry crane with anti-tilt structure Download PDFInfo
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- CN118850991B CN118850991B CN202411238738.1A CN202411238738A CN118850991B CN 118850991 B CN118850991 B CN 118850991B CN 202411238738 A CN202411238738 A CN 202411238738A CN 118850991 B CN118850991 B CN 118850991B
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- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000000429 assembly Methods 0.000 claims abstract description 3
- 239000000725 suspension Substances 0.000 claims abstract 4
- 238000000034 method Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
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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
- B66C1/34—Crane hooks
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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
- B66C5/00—Base supporting structures with legs
- B66C5/10—Portals, i.e. essentially circular or square platforms with three or more legs specially adapted for supporting slewing jib 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
- B66C7/00—Runways, tracks or trackways for trolleys or 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
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
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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
- B66C2700/00—Cranes
- B66C2700/01—General aspects of mobile cranes, overhead travelling cranes, gantry cranes, loading bridges, cranes for building ships on slipways, cranes for foundries or cranes for public works
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
本申请公开了一种具有防倾翻结构的双梁门式起重机，涉及吊装技术领域包括：底座，其上固定设置有横梁架组件，且所述底座和横梁架组件均布置为两组对称设置，所述横梁架组件包括倾斜固定设置在所述底座上的立柱，以及与所述立柱铰接的吊梁，所述立柱和吊梁之间连接有铰接杆；平行梁组件，设置在两个所述横梁架组件之间，且所述平行梁组件包括对称布置的横置梁轨，且两个所述横置梁轨之间通过连接板进行连接，两个所述横置梁轨之间还设置有吊装组件。
The present application discloses a double-beam gantry crane with an anti-tipping structure, which relates to the field of hoisting technology and includes: a base, on which a crossbeam frame assembly is fixedly arranged, and the base and the crossbeam frame assembly are arranged in two groups of symmetrical arrangements, the crossbeam frame assembly includes a column obliquely fixedly arranged on the base, and a suspension beam hinged to the column, and a hinged rod is connected between the column and the suspension beam; a parallel beam assembly is arranged between two of the crossbeam frame assemblies, and the parallel beam assembly includes symmetrically arranged transverse beam rails, and the two transverse beam rails are connected by a connecting plate, and a hoisting assembly is also arranged between the two transverse beam rails.
Description
Technical Field
The application relates to the technical field of hoisting, in particular to a double-beam portal crane with an anti-tipping structure.
Background
The double-beam gantry crane is a common hoisting device and mainly comprises a bridge frame, a cart running mechanism, a trolley running mechanism, a lifting mechanism, an electric control system and the like. The bridge is a main body structure of the crane, can bear the dead weight and the hanging weight of the crane, is generally composed of two parallel main beams and cross beams connecting the two main beams, and has enough rigidity and stability.
The double-beam portal crane is easy to tilt due to improper operation, overload, foundation problems, structural design defects and the like in the working process, wherein the crane is easy to tilt due to the fact that an incorrect hoisting method is used for unstably operating the crane, and the stability of the crane is reduced due to the fact that the rated hoisting capacity of the crane is exceeded, so that the crane is easy to tilt, and even if the crane is influenced by dynamic loads in the running process, the phenomenon of tilting is easy to occur due to inertia force and vibration.
The crane can improve stability by anti-overturning and anti-rollover analysis, adding a counterweight and improving reliability and safety of the crane by virtue of a critical component redundancy design, but the factors causing rollover are numerous, and a more adaptive technical scheme is needed.
There is a need for a double-girder portal crane with an anti-roll-over structure to solve the above-mentioned problems in the prior art.
Disclosure of Invention
In order to achieve the purpose, the application provides the following technical scheme that the double-beam portal crane with the anti-tipping structure comprises the following components:
the device comprises a base, wherein a beam frame assembly is fixedly arranged on the base, the base and the beam frame assembly are symmetrically arranged in two groups, the beam frame assembly comprises an upright post obliquely and fixedly arranged on the base, and a hanging beam hinged with the upright post, and a hinge rod is connected between the upright post and the hanging beam;
The parallel beam assembly is arranged between the two beam frame assemblies, the parallel beam assembly comprises transverse beam rails which are symmetrically arranged, the two transverse beam rails are connected through connecting plates, and a hoisting assembly is further arranged between the two transverse beam rails.
Further, as the preference, the crossbeam frame subassembly still includes auxiliary strut, auxiliary strut both ends are fixed respectively to be set up on the stand and on the base, just a plurality of locating holes have been seted up to the equipartition on the hanging beam, the locating hole is used for supplementary installation to support the radials, it is used for bearing to support the radials the rail of transversely putting.
Further, preferably, the hanging beam extends to a portion above the connecting plate, and a connecting seat is arranged on the hanging beam and is used for fixedly connecting the connecting plate and the hanging beam.
Further, preferably, the parallel beam assembly further includes a fixing plate fixedly disposed below the transverse beam rail, the fixing plate is used for connecting the supporting webs, and two opposite sides of the transverse beam rail are respectively inner sides, and a track groove is formed in the inner side of the transverse beam rail and is communicated to the outer side of the transverse beam rail.
Further, as an optimization, the connecting plate comprises an upper adapter plate, an adapter web and a lower adapter plate, wherein the upper adapter plate is fixedly connected with the two transverse beam rails through the adapter web, a connecting slot hole matched with the connecting seat is formed in the upper adapter plate, the lower adapter plate is located below the transverse beam rails, and a plurality of counterweight joints, detection pieces and lifting supports are fixedly arranged on the lower adapter plate.
Further, preferably, the hoisting assembly includes:
the output end of the auxiliary motor is connected with an auxiliary wheel, the auxiliary motor and the auxiliary wheel are both arranged at the position of the hoisting bracket, and a limiting shell is arranged on the auxiliary wheel;
the first adjusting roller is arranged in the track groove in a sliding manner;
the hoisting wheels are positioned at two sides of the auxiliary wheel, the hoisting wheels are hung with hooks and are opposite to the position above the hoisting wheels, and the transverse beam rail is rotatably provided with second adjusting rollers;
The sliding block is arranged in the track groove in a sliding manner and is fixedly connected with the lower adapter plate;
And the cable belt is connected with the first adjusting roller, the second adjusting roller, the auxiliary wheel and the hoisting wheel in series.
Further, preferably, the cable belt is hung on the second adjusting roller and the auxiliary wheel, the hoisting wheel is located between the second adjusting roller and the auxiliary wheel, the hoisting wheel is supported by the cable belt, and the hoisting wheel and the lifting hook are uniformly distributed in four groups.
Further, preferably, the slider is driven by arranging a driving member on the transverse beam rail, so as to slide in the track groove, adjust the transverse displacement of the hook hanger, and in the sliding process of the slider, the auxiliary motor rotates to drive the cable belt to operate through the auxiliary wheel, and the lifting wheel rotates during the sliding process, but the height positions of the lifting wheel and the hook are unchanged.
Further, preferably, two adjusting rollers on the same transverse beam rail are in two sliding modes, one is synchronous and close to or away from each other, the auxiliary wheel is locked by power provided by an auxiliary motor and does not rotate, the cable belt on the auxiliary wheel is limited to slide, and the corresponding two lifting wheels are kept to synchronously lift, the other is in a mode that one adjusting roller does not slide and the other sliding is adjusted, the auxiliary wheel is locked by power provided by the auxiliary motor and does not rotate, the cable belt on the auxiliary wheel is limited to slide, and accordingly lifting of the corresponding single lifting wheel is achieved, and the other lifting wheel is fixed.
Compared with the prior art, the application provides the double-beam portal crane with the anti-tipping structure, which has the following beneficial effects:
According to the application, through adjusting the deflection angles of the hanging beam and the upright post, the transverse beam rail is lapped on the supporting radials, in addition, the connecting plate and the hanging beam are connected through the connecting seat, the parallel beam assembly is stably fixed, the counterweight connector is used for hanging the counterweight, the sensor required by the built-in of the detecting element is used for monitoring the hanging state of the hung object and comprises vibration deflection and the like, in the hanging process, the load is shared by a plurality of hanging hooks and hanging wheels, the weight is lifted at multiple angles, in the moving process, the cable belt is mainly driven by the auxiliary wheels to operate in a friction manner, the hanging wheels follow the conversion in a rolling manner with smaller friction force because of the hung object and the dead weight, the synchronous moving process is realized, the first regulating rollers are close to or far away from each other, meanwhile, the auxiliary wheels are locked by the power provided by the auxiliary motor and do not rotate, the cable belt on the auxiliary wheels is limited to slide, and the synchronous lifting of the corresponding two hanging wheels is kept;
The single regulating roller is not slid, and another sliding adjustment is carried out, simultaneously auxiliary wheel is locked by auxiliary motor power and is not rotated, restricts the cable area on it to slide simultaneously, and then the realization corresponds single hoist and mount wheel goes up and down, another hoist and mount wheel is motionless, has to the article of hoist and mount point highly inconsistent, can coordinate the lifting hook height, keeps article to promote with the stable mode of focus, effectively reduces the possibility of tipping, in addition in hoist and mount transportation, appears rocking, rotates through auxiliary wheel, applys regulating effort on the hoist and mount wheel with the help of the cable area, stabilizes the focus.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of the overall structure of a double-beam gantry crane with an anti-tip-over structure;
FIG. 2 is a schematic illustration of a cross beam frame assembly of a double beam gantry crane having an anti-roll over structure;
FIG. 3 is a schematic view of a parallel beam assembly of a double beam gantry crane having an anti-roll over structure;
FIG. 4 is a schematic illustration of a cross beam rail structure of a double beam gantry crane with an anti-tip over structure;
FIG. 5 is a schematic view of a hoist wheel mounting structure of a double beam gantry crane with an anti-tipping structure;
In the figure, 1, a base; 2, a beam frame assembly, 21, a stand column, 211, an auxiliary strut, 22, a hanging beam, 221, a positioning hole, 222, a supporting spoke plate, 223, a connecting seat, 23, a hinging rod, 3, a parallel beam assembly, 31, a transverse beam rail, 311, a track groove, 32, a fixed plate, 4, a connecting plate, 41, an upper adapter plate, 411, a connecting slot hole, 42, a transferring spoke plate, 43, a lower adapter plate, 44, a counterweight joint, 45, a detecting piece, 46, a lifting bracket, 5, a lifting assembly, 51, an auxiliary motor, 52, an auxiliary wheel, 521, a limiting shell, 53, a first regulating roller, 54, a cable belt, 55, a second regulating roller, 56, a lifting wheel, 57, a sliding block, 58 and a lifting hook.
Detailed Description
Referring to fig. 1-5, in an embodiment of the present application, a dual beam gantry crane with an anti-tipping structure includes:
The device comprises a base 1, wherein a beam frame assembly 2 is fixedly arranged on the base 1, the base 1 and the beam frame assembly 2 are symmetrically arranged in two groups, guide wheels are arranged at the lower end of the specific base 1, the position of the beam frame assembly 2 can be adjusted by matching with a track, the beam frame assembly 2 comprises an upright post 21 obliquely and fixedly arranged on the base 1 and a hanging beam 22 hinged with the upright post 21, a hinge rod 23 is connected between the upright post 21 and the hanging beam 22, and the inclination angle between the hanging beam 22 and the upright post 21 can be adjusted by the telescopic action of the hinge rod 23;
Parallel beam assembly 3 sets up two between the crossbeam frame subassembly 2, just parallel beam assembly 3 includes symmetrical arrangement's crossbeam rail 31, and two connect through connecting plate 4 between the crossbeam rail 31, two still be provided with hoist and mount subassembly 5 between the crossbeam rail 31.
As a preferred embodiment, the beam frame assembly 2 further includes an auxiliary strut 211, two ends of the auxiliary strut 211 are respectively fixedly disposed on the upright 21 and the base 1, and are specifically configured to support the upright 21 in an auxiliary manner, and the hanging beam 22 is uniformly provided with a plurality of positioning holes 221, the positioning holes 221 are configured to support the supporting webs 222 in an auxiliary manner, and the supporting webs 222 are configured to bear the transverse beam rails 31.
As a preferred embodiment, the hanging beam 22 extends to a portion above the connecting plate 4, and a connecting seat 223 is provided thereon for fixedly connecting the connecting plate 4 and the hanging beam 22.
It should be noted that the parallel beam assembly 3 is stably fixed by adjusting the deflection angles of the hanging beam 22 and the upright post 21 so that the transverse beam rail 31 is overlapped on the supporting web 222 and connecting the connecting plate 4 and the hanging beam 22 through the connecting seat 223.
As a preferred embodiment, the parallel beam assembly 3 further includes a fixing plate 32 fixedly disposed below the transverse beam rail 31, where the fixing plate 32 is used to connect the supporting webs 222, and designates two opposite sides of the transverse beam rail 31 as respective inner sides, and a track groove 311 is formed in the inner side of the transverse beam rail 31, and the track groove 311 is communicated to the outer side of the transverse beam rail 31.
In this embodiment, as shown in fig. 3, the connection board 4 includes an upper adapter board 41, a switching web board 42 and a lower adapter board 43, where the upper adapter board 41 is fixedly connected with two transverse beam rails 31 through the switching web board 42, a connection slot 411 matched with the connection seat 223 is formed on the upper adapter board 41, the lower adapter board 43 is located below the transverse beam rails 31, and a plurality of counterweight joints 44, a detecting element 45 and a hoisting bracket 46 are fixedly arranged on the lower adapter board 43, the counterweight joints 44 are used for hanging counterweights, stability is improved, and a sensor required for the sensor 45 to be built in is used for monitoring hanging states of hanging objects, including vibration offset, so as to provide reference for adjustment of other components in the carrying process.
In this embodiment, as shown in fig. 4 to 5, the lifting assembly 5 includes:
the output end of the auxiliary motor 51 is connected with an auxiliary wheel 52, the auxiliary motor 51 and the auxiliary wheel 52 are both arranged at the position of the hoisting bracket 46, and a limiting shell 521 is arranged on the auxiliary wheel 52;
The first regulating roller 53 is slidably arranged in the track groove 311, and the first regulating roller 53 can be driven by a driving piece arranged on the outer side of the transverse beam rail 31;
The hoisting wheels 56 are positioned at two sides of the auxiliary wheel 52, the hoisting wheels 56 are hung with hooks 58 and are opposite to the upper position of the hoisting wheels 56, and the transverse beam rail 31 is rotatably provided with second regulating rollers 55;
the sliding block 57 is slidably arranged in the track groove 311, and the sliding block 57 is fixedly connected with the lower adapter plate 43;
the cable 54 is connected with the first adjusting roller 53, the second adjusting roller 55, the auxiliary wheel 52 and the hoisting wheel 56 in series.
As a preferred embodiment, the cable belt 54 is hung on the second adjusting roller 55 and the auxiliary wheel 52, the lifting wheel 56 is located between the second adjusting roller 55 and the auxiliary wheel 52, the lifting wheel 56 is supported by the cable belt 54, the lifting wheel 56 and the lifting hooks 58 are uniformly distributed in four groups, in a specific lifting process, the load is shared by the lifting hooks 58 and the lifting wheel 56, and meanwhile, the load is lifted at multiple angles, so that the overall bearing capacity distribution is more uniform, and the lifting stability is improved.
As a preferred embodiment, the slider 57 is also driven by arranging a driving member on the transverse beam rail 31, so as to realize sliding of the slider 57 in the track groove 311, adjust lateral displacement of the suspended object of the lifting hook 58, and during sliding of the slider 57, the auxiliary motor 51 rotates to drive the cable belt 54 to operate through the auxiliary wheel 52, and during the period, the lifting wheel 56 rotates, but during the specific whole moving process, the lifting wheel 56 and the lifting hook 58 mainly rotate by friction of the auxiliary wheel 52 to drive the cable belt 54, the lifting wheel 56 follows the transformation in a rolling manner with smaller friction force due to the lifting object and the dead weight, so that the synchronous moving process is realized, and the moving stability is ensured.
In a preferred embodiment, the two adjusting rollers 53 on the same transverse beam rail 31 are in two sliding modes, one is synchronous approaching or separating from the other, the auxiliary wheel 52 is locked by the auxiliary motor 51 to be not rotated, the cable belt 54 on the auxiliary wheel 52 is limited to slide, and the corresponding two lifting wheels 56 are kept to be lifted synchronously, the other is not slid by the single adjusting roller 53, the other is adjusted in a sliding mode, the auxiliary wheel 52 is locked by the auxiliary motor 51 to be not rotated, and the cable belt 54 on the auxiliary wheel 52 is limited to slide, so that lifting of the corresponding single lifting wheel 56 is realized, the other lifting wheel 56 is not moved, and particularly for articles with inconsistent lifting points, the height of the lifting hook 58 can be coordinated, the articles are lifted in a stable gravity center mode, and the possibility of tipping is effectively reduced.
It should be noted that during the lifting and transporting process, shaking occurs, and the auxiliary wheel 52 rotates to apply an adjusting force to the lifting wheel 56 by means of the cable belt 54, so as to stabilize the center of gravity.
In the concrete implementation, the transverse beam rail 31 is lapped on the supporting radials 222 by adjusting the deflection angles of the hanging beams 22 and the upright posts 21, in addition, the connecting plate 4 and the hanging beams 22 are connected through the connecting seat 223, the parallel beam assembly 3 is stably fixed, the counterweight connector 44 is used for hanging the counterweight, the sensor required by the built-in detection part 45 is used for monitoring the hanging state of the hung object and comprises vibration deflection and the like, in the hanging process, the load is shared by a plurality of hanging hooks 58 and hanging wheels 56, the weight is lifted at multiple angles, in the moving process, the auxiliary wheels 52 mainly rubs and drives the cable belt 54 to operate, the hanging wheels 56 follow the conversion in a rolling mode with smaller friction force because of the hanging object and dead weight, the first regulating rollers 53 are mutually close or far away, meanwhile, the auxiliary wheels 52 are locked by the auxiliary motor 51 to be not rotated, the cable belt 54 on the auxiliary wheels are limited to slide, and the corresponding two hanging wheels 56 are kept to synchronously lift;
The single regulating roller one 53 does not slide, and the other is slidingly regulated, meanwhile, the auxiliary wheel 52 is locked by the power provided by the auxiliary motor 51 and does not rotate, and meanwhile, the cable 54 on the auxiliary wheel is limited to slide, so that lifting of the corresponding single lifting wheel 56 is realized, the other lifting wheel 56 is not movable, the lifting hook 58 can be coordinated with the height of the lifting hook for articles with inconsistent lifting points, the articles are kept to be lifted in a stable gravity center mode, the possibility of tipping is effectively reduced, in addition, in the lifting and transporting process, shaking occurs, the auxiliary wheel 52 rotates, regulating force is applied on the lifting wheel 56 by means of the cable 54, and the gravity center is stabilized.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, shall cover the scope of the present application by equivalent substitution or modification according to the technical solution of the present application and the application concept thereof.
Claims (6)
1. A double-beam portal crane with an anti-tipping structure is characterized by comprising:
The device comprises a base (1), wherein a beam frame assembly (2) is fixedly arranged on the base, the base (1) and the beam frame assembly (2) are symmetrically arranged in two groups, the beam frame assembly (2) comprises an upright post (21) which is obliquely and fixedly arranged on the base (1), and a hanging beam (22) hinged with the upright post (21), and a hinge rod (23) is connected between the upright post (21) and the hanging beam (22);
the parallel beam assembly (3) is arranged between the two beam frame assemblies (2), the parallel beam assembly (3) comprises transverse beam rails (31) which are symmetrically arranged, and one side, opposite to the transverse beam rails (31), is designated to be the inner side of each transverse beam rail, a track groove (311) is formed in the inner side of each transverse beam rail (31), the two transverse beam rails (31) are connected through a connecting plate (4), the connecting plate (4) comprises a lower adapter plate (43), the lower adapter plate (43) is positioned below the transverse beam rails (31), a plurality of counterweight joints (44), detection pieces (45) and lifting supports (46) are fixedly arranged on the lower adapter plate (43), and a lifting assembly (5) is further arranged between the two transverse beam rails (31);
the hoisting assembly (5) comprises:
The output end of the auxiliary motor (51) is connected with an auxiliary wheel (52), the auxiliary motor (51) and the auxiliary wheel (52) are both arranged at the position of the hoisting bracket (46), and a limiting shell (521) is arranged on the auxiliary wheel (52);
The first regulating roller (53) is arranged in the track groove (311) in a sliding manner;
The hoisting wheels (56) are positioned at two sides of the auxiliary wheel (52), the hoisting wheels (56) are hung with hooks (58) and are opposite to the position above the hoisting wheels (56), and the transverse beam rail (31) is rotatably provided with second regulating rollers (55);
the sliding block (57) is arranged in the track groove (311) in a sliding manner, and the sliding block (57) is fixedly connected with the lower adapter plate (43);
The cable belt (54) is connected with the first adjusting roller (53), the second adjusting roller (55), the auxiliary wheel (52) and the hoisting wheel (56) in series;
The cable belt (54) is hung on the second adjusting roller (55) and the auxiliary wheel (52), the hoisting wheel (56) is positioned between the second adjusting roller (55) and the auxiliary wheel (52), the hoisting wheel (56) is supported by the cable belt (54), and the hoisting wheel (56) and the lifting hook (58) are uniformly distributed in four groups;
The two first regulating rollers (53) on the same transverse beam rail (31) slide in two ways, one is synchronously close to or far away from each other, the auxiliary wheel (52) is locked by an auxiliary motor (51) to be not rotated, the sliding of a cable belt (54) on the auxiliary wheel is limited, the synchronous lifting of the two corresponding lifting wheels (56) is kept, the other is that the single first regulating roller (53) is not slid, the other sliding is regulated, the auxiliary wheel (52) is locked by the auxiliary motor (51) to be not rotated, the sliding of the cable belt (54) on the auxiliary wheel is limited, and the lifting of the corresponding single lifting wheel (56) is realized, and the other lifting wheel (56) is not moved.
2. The double-beam portal crane with the anti-tipping structure of claim 1, wherein the beam frame assembly (2) further comprises an auxiliary strut (211), two ends of the auxiliary strut (211) are fixedly arranged on the upright (21) and the base (1) respectively, a plurality of positioning holes (221) are uniformly distributed on the hanging beam (22), the positioning holes (221) are used for assisting in installing a supporting web (222), and the supporting web (222) is used for bearing the transverse beam rail (31).
3. A double-girder gantry crane with an anti-tilting structure according to claim 2, characterized in that the suspension girder (22) extends to the part above the connection plate (4) and is provided with a connection seat (223) for fixedly connecting the connection plate (4) and the suspension girder (22).
4. A double girder gantry crane with an anti-tilting structure according to claim 3, wherein said parallel girder assembly (3) further comprises a fixing plate (32) fixedly arranged under said transverse girder rail (31), said fixing plate (32) being used for connecting said supporting web (222), said track groove (311) being communicated to the outside of said transverse girder rail (31).
5. The double-beam gantry crane with the anti-tipping structure of claim 4, wherein the connecting plate (4) further comprises an upper adapter plate (41) and an adapter web (42), the upper adapter plate (41) is fixedly connected with the two transverse beam rails (31) through the adapter web (42), and a connecting slot hole (411) matched with the connecting seat (223) is formed in the upper adapter plate (41).
6. A double-girder gantry crane with an anti-tipping structure according to claim 5, wherein the sliding block (57) is driven by arranging a driving piece on the transverse girder rail (31) for sliding the sliding block (57) in the track groove (311), the transverse displacement of the hanging object of the hanging hook (58) is adjusted, and the auxiliary motor (51) rotates to drive the cable belt (54) to operate through the auxiliary wheel (52) during the sliding process of the sliding block (57), and the lifting wheel (56) rotates during the sliding process, but the height positions of the lifting wheel (56) and the hanging hook (58) are unchanged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411238738.1A CN118850991B (en) | 2024-09-05 | 2024-09-05 | Double-beam gantry crane with anti-tilt structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411238738.1A CN118850991B (en) | 2024-09-05 | 2024-09-05 | Double-beam gantry crane with anti-tilt structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118850991A CN118850991A (en) | 2024-10-29 |
| CN118850991B true CN118850991B (en) | 2025-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202411238738.1A Active CN118850991B (en) | 2024-09-05 | 2024-09-05 | Double-beam gantry crane with anti-tilt structure |
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| CN104555752A (en) * | 2015-01-31 | 2015-04-29 | 安徽兴宇轨道装备有限公司 | Trackless gantry crane |
| CN209940283U (en) * | 2019-03-15 | 2020-01-14 | 中山市乾润精密钢球制造有限公司 | Grinding machine maintenance moving portal frame |
| CN118145509A (en) * | 2024-03-14 | 2024-06-07 | 太原科技大学 | A gantry type lifting and transporting device for narrow spaces |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6886471B2 (en) * | 2003-02-18 | 2005-05-03 | Cablecam International Inc. | Traveling highline system |
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