CN111646374B - Cantilever upright post supporting auxiliary fixing mechanism of portal crane - Google Patents
Cantilever upright post supporting auxiliary fixing mechanism of portal crane Download PDFInfo
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- CN111646374B CN111646374B CN202010415936.6A CN202010415936A CN111646374B CN 111646374 B CN111646374 B CN 111646374B CN 202010415936 A CN202010415936 A CN 202010415936A CN 111646374 B CN111646374 B CN 111646374B
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- frame
- rod
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- supporting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
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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
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- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a portal crane cantilever upright post supporting auxiliary fixing mechanism which comprises a crane body and cantilevers, wherein a hoisting mechanism is fixedly installed at one end, far away from the crane body, of each cantilever, supporting frames are fixedly installed at the bottom end of the crane body, the number of the supporting frames is four, and walking vehicles are arranged at the bottom ends of the supporting frames. According to the invention, the first mounting frame, the first connecting rod, the supporting rod, the hydraulic telescopic rod, the second mounting frame, the second connecting rod and the supporting table are arranged, so that when the supporting rod is contracted inwards in work, the supporting rod is movably hinged with the first connecting rod and the second connecting rod through the rotating shaft, and when the supporting rod is contracted inwards, one ends of the first connecting rod and the second connecting rod, which are far away from the supporting frame, are driven to move downwards, so that the supporting rod moves downwards and is attached to the ground, the contact area of the device and the ground is increased, the supporting frame is supported in an auxiliary mode, and the stand column of the device is supported.
Description
Technical Field
The invention relates to the technical field of portal cranes, in particular to a cantilever upright post supporting auxiliary fixing mechanism of a portal crane.
Background
The bridge is supported on the ground rail or foundation by two side legs. With the track running along the ground, the underside can be passed by railway cars or other ground vehicles. A jib crane with a rotatable crane unit mounted on a portal frame. The 4 legs of the portal frame form 4 'door openings' for railway vehicles and other vehicles to pass through. Gantry crane carries out jack-up loading and unloading operation along the crane rail motion on ground or the building mostly, and current gantry crane in order to keep its mobility, the stand bottom is equipped with the walking car mostly, makes things convenient for the whole activity of device, and this has just led to the device wholly to be connected with ground and is stable inadequately, consequently needs to design a gantry crane cantilever column support auxiliary fixture urgently.
Disclosure of Invention
The invention aims to provide an auxiliary fixing mechanism for supporting a cantilever upright post of a portal crane, which aims to solve the problem that the whole device is not stably connected with the ground because the bottom end of the upright post is mostly provided with a walking vehicle to facilitate the whole device to move in order to keep the mobility of the existing portal crane in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a portal crane cantilever upright post supporting auxiliary fixing mechanism comprises a crane body and cantilevers, wherein a hoisting mechanism is fixedly installed at one end, away from the crane body, of each cantilever, supporting frames are fixedly installed at the bottom end of the crane body, the number of the supporting frames is four, traveling vehicles are arranged at the bottom ends of the supporting frames, first mounting frames are fixedly installed at the front side and the rear side of each supporting frame, first connecting rods are movably installed at one sides, away from the supporting frames, of the first mounting frames through rotating shafts, supporting rods are movably installed at one ends, away from the first mounting frames, of the first connecting rods through rotating shafts, supporting tables are arranged at the bottom ends of the supporting rods, second mounting frames are fixedly installed on the supporting frames at the bottom ends of the first mounting frames, second connecting rods are movably installed at one sides, away from the supporting frames, of the second mounting frames through rotating shafts, the one end that the second mounting bracket was kept away from to the second connecting rod all is through axis of rotation and bracing piece swing joint, the one end that first mounting bracket was kept away from to the head rod all has hydraulic telescoping rod through axis of rotation movable mounting, and hydraulic telescoping rod keeps away from the one end of bracing piece and passes through axis of rotation and support frame fixed connection, and the left side embedding of front end left side support frame has control panel.
Preferably, hoisting machine constructs including hoisting board, first motor, swivel connected ring, link, riser, fixed block, first spout, slide rail and hoisting frame, the positive fixed mounting of hoisting board has first motor, the front of first motor is through axis of rotation fixedly connected with swivel connected ring, swivel connected ring's both ends all have the link through axis of rotation movable mounting, the back that swivel connected ring one end was kept away from to the link all has the riser through axis of rotation movable mounting, the all fixed mounting in bottom of riser has the fixed block, first spout has all been seted up to one side that the fixed block is close to each other, hoisting board's bottom fixed mounting has the slide rail, slide rail and first spout constitution slide mechanism, the all fixed mounting in bottom of fixed block has hoisting frame.
Preferably, first cavity has all been seted up to the bottom of support frame, the lead screw has all been placed to the inside of first cavity, the left end of lead screw all is through bearing and first cavity inner wall left side fixed connection, the right side of lead screw all extends to the outside of support frame, opposition screw thread has all been seted up at the lead screw both ends, a set of adjustable shelf has all been cup jointed at the both ends of lead screw, and the quantity of every adjustable shelf all is two and is opposition form, every group first thread groove has all been seted up to one side that the adjustable shelf is close to each other, and first thread groove all with lead screw thread fit, every group the front of adjustable shelf all has the third connecting rod, every group through axis of rotation movable mounting the bottom of third connecting rod all is through axis of rotation and carriage fixed connection.
Preferably, the right side of support frame all fixed mounting have a fixed box, first gear has all been cup jointed on the lead screw of fixed incasement side, all there is the second gear through axis of rotation movable mounting in the fixed incasement of first gear rear side, the meshing has the chain on second gear and the first gear, and the chain mutually supports with first gear and second gear, the right side fixed mounting of fixed case has the protective housing, the inside fixed mounting of protective housing has the second motor, the left end of second motor extends to the inside and the first gear fixed connection of fixed case.
Preferably, the bottom ends of the supporting rods are fixedly provided with third mounting frames, the top ends of the supporting tables are fixedly provided with fixing frames, the top end of the fixing frame is provided with a second cavity, the bottom end of the third mounting frame extends to the inside of the second cavity, the two sides of the fixing frame are provided with second thread grooves, the second thread grooves are communicated with the second cavity, the left side of the third mounting rack is provided with third thread grooves, the insides of the second thread grooves are provided with limit bolts through threads, the inserting ends of the limit bolts all extend to the right side of the fixing frame through the third thread groove, the limit bolts on the right side of the fixing frame are all sleeved with first limit nuts through threads, the limit bolts at the right side of the fixing frame are all provided with a first limit nut clockwise through threads, and a second limiting nut is arranged on the limiting bolt on the right side of the first limiting nut anticlockwise through threads.
Preferably, the second spout has all been seted up in the support frame on first cavity inner wall top, and the quantity of second spout is all two, the inside of second spout all slidable mounting has the slider, the bottom of slider all with the top fixed connection of adjustable shelf.
Preferably, the inboard of slider all has the pulley through axis of rotation movable mounting, and the quantity of pulley all is two, the pulley all laminates with second spout inner wall mutually.
Preferably, the output end of the control panel is electrically connected with the input ends of the hydraulic telescopic rod and the protective box through wires respectively.
Compared with the prior art, the invention has the beneficial effects that:
1. through being provided with first mounting bracket, the head rod, the bracing piece, hydraulic telescoping rod, the second mounting bracket, second connecting rod and brace table, make when bracing piece work is when the internal contraction, because the bracing piece passes through axis of rotation activity hinge joint with head rod and second connecting rod, consequently when the bracing piece is when the internal contraction, drive the one end that the support frame was kept away from to head rod and second connecting rod and move down, thereby make the bracing piece move down, thereby laminate with ground, the area of this device with ground contact has been promoted, and carry out the auxiliary stay to the support frame, and then support the stand of device.
2. Through being provided with hoisting machine and constructing, make when first motor is rotatory, it is rotatory to drive swivel joint ring, when swivel joint ring is rotatory, because swivel joint ring and link are articulated through the axis of rotation, and the link is articulated through the axis of rotation with the riser, so at this moment, the one end that the riser was kept away from to the centre to two links removes, thereby drive two hoisting frame and remove to the centre, when two hoisting frame inwards remove to a certain position, will hoist the rope card and die, thereby when reducing this device hoist and mount, thereby hoist the condition that the rope drops and cause the incident, the stability of this device during operation has been promoted.
3. Through being provided with chain, second gear and second motor for it is rotatory to drive the second gear when the second motor work is exported, because second gear and first gear engagement and chain meshing, consequently at this moment first gear is rotatory, thereby it is rotatory to drive the lead screw, has effectually reduced second motor service load through this kind of mode, thereby has prolonged the life of second motor to a certain extent.
Drawings
FIG. 1 is a schematic sectional elevation view of the structure of the present invention;
FIG. 2 is a schematic cross-sectional front view of the supporting frame structure of the present invention;
FIG. 3 is a schematic sectional front view of the movable frame structure of the present invention;
FIG. 4 is a schematic sectional elevation view of a stationary box structure of the present invention;
FIG. 5 is a side view of the retaining box structure of the present invention;
FIG. 6 is a schematic side view of the supporting frame structure of the present invention;
FIG. 7 is a schematic elevation view of the hoisting mechanism structure of the present invention;
FIG. 8 is an enlarged view of a portion of the lifting plate A in FIG. 3 according to the present invention;
fig. 9 is an enlarged view of a portion of the structure shown in fig. 6B according to the present invention.
In the figure: 1. a crane body; 2. a cantilever; 3. a hoisting mechanism; 301. hoisting the plate; 302. a first motor; 303. rotating the connecting ring; 304. a connecting frame; 305. a vertical plate; 306. a fixed block; 307. a first chute; 308. a slide rail; 309. a hoisting frame; 4. a support frame; 5. a first mounting bracket; 6. a first connecting rod; 7. a support bar; 8. a hydraulic telescopic rod; 9. a second mounting bracket; 10. a second connecting rod; 11. a support table; 12. a first cavity; 13. a screw rod; 14. a movable frame; 15. a first thread groove; 16. a third connecting rod; 17. a walking vehicle; 18. a second chute; 19. a slider; 20. a pulley; 21. a fixed box; 22. a first gear; 23. a chain; 24. a second gear; 25. a protective box; 26. a second motor; 27. a third mounting bracket; 28. a fixed mount; 29. a second cavity; 30. a second thread groove; 31. a limit bolt; 32. a third thread groove; 33. a first limit nut; 34. a second limit nut; 35. a control panel.
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. 1-9, an embodiment of the present invention is shown:
a portal crane cantilever upright post support auxiliary fixing mechanism comprises a crane body 1 and a cantilever 2, wherein one end of the cantilever 2 far away from the crane body 1 is fixedly provided with a hoisting mechanism 3, the hoisting mechanism 3 comprises a hoisting plate 301, a first motor 302, a rotary connecting ring 303, a connecting frame 304, a vertical plate 305, a fixed block 306, a first sliding chute 307, a sliding rail 308 and a hoisting frame 309, the front surface of the hoisting plate 301 is fixedly provided with the first motor 302, all electrical appliances used in the application are products which can be directly purchased in the market, the principle of the electrical appliances is the prior art well known by technical personnel in the field, the description is omitted, the front surface of the first motor 302 is fixedly connected with the rotary connecting ring 303 through a rotating shaft, the connecting frame 304 is movably arranged at two ends of the rotary connecting ring 303 through the rotating shaft, and the vertical plate 305 is movably arranged at the back surface of the connecting frame 304 far away from one end of the rotary connecting ring 303 through the rotating shaft, the bottom ends of the vertical plates 305 are fixedly provided with fixed blocks 306, one sides of the fixed blocks 306 close to each other are provided with first sliding grooves 307, the bottom ends of the hoisting plates 301 are fixedly provided with sliding rails 308, the sliding rails 308 and the first sliding grooves 307 form a sliding mechanism, the bottom ends of the fixed blocks 306 are fixedly provided with hoisting frames 309, the first motor 302 is started through a button of an operation chamber, when the first motor 302 rotates, the rotating connecting ring 303 is driven to rotate, when the rotating connecting ring 303 rotates, because the rotating connecting ring 303 is hinged with the connecting frames 304 through a rotating shaft, and the connecting frames 304 are hinged with the vertical plates 305 through the rotating shaft, at the moment, one ends of the two connecting frames 304 far away from the vertical plates 305 move towards the middle, so that the two hoisting frames 309 are driven to move towards the middle, when the two hoisting frames 309 move inwards to a certain position, the hoisting ropes are clamped, so that the situation of safety accidents caused by the falling of the hoisting ropes is reduced, the stability of this device during operation has been promoted.
The bottom end of the crane body 1 is fixedly provided with the support frames 4, the number of the support frames 4 is four, the bottom ends of the support frames 4 are all provided with traveling vehicles 17, the bottom ends of the support frames 4 are all provided with first cavities 12, lead screws 13 are all placed inside the first cavities 12, the left ends of the lead screws 13 are all fixedly connected with the left side of the inner wall of the first cavities 12 through bearings, the right sides of the lead screws 13 extend to the outer sides of the support frames 4, two ends of the lead screws 13 are all provided with opposite threads, two ends of the lead screws 13 are all sleeved with a group of movable frames 14, the number of each group of movable frames 14 is two and is opposite, one side of each group of movable frames 14 close to each other is provided with first thread grooves 15, the first thread grooves 15 are all in threaded fit with the lead screws 13, the front of each group of movable frames 14 is all movably provided with third connecting rods 16 through rotating shafts, the bottom ends of each group of the third connecting rods 16 are all fixedly connected with the traveling vehicles 17 through rotating shafts, because two sets of adjustable shelf 14 on the lead screw 13 all are through first thread groove 15 and lead screw 13 screw-thread fit, therefore two sets of adjustable shelf 14 all keep away from each other when lead screw 13 is rotatory, thereby make third connecting rod 16 rebound, and then make the travelling car 17 rebound, at this moment travelling car 17 no longer with ground laminating, thereby reduce the condition that the walking wheel removal of travelling car 17 bottom leads to the device skew, thereby stability when having promoted this device and ground connection.
All seted up second spout 18 in the support frame 4 on first cavity 12 inner wall top, and the quantity of second spout 18 is all two, and the inside of second spout 18 all has slider 19, and the bottom of slider 19 all with the top fixed connection of adjustable shelf 14, when adjustable shelf 14 slided from side to side in first cavity 12, because slider 19 and adjustable shelf 14 fixed connection, consequently make slider 19 slide from side to side in second spout 18 to stability when adjustable shelf 14 slided has been promoted.
The inboard of slider 19 all has pulley 20 through axis of rotation movable mounting, and the quantity of pulley 20 all is two, and pulley 20 all laminates with second spout 18 inner wall mutually, when second spout 18 slided in slider 19, because pulley 20 laminates with second spout 18 inner wall mutually, consequently the effectual area of contact who reduces second spout 18 and slider 19 to stability when further having promoted movable frame 14 and removing.
The right side of the supporting frame 4 is fixedly provided with a fixed box 21, the screw rods 13 on the inner side of the fixed box 21 are sleeved with a first gear 22, the fixed box 21 on the rear side of the first gear 22 is movably provided with a second gear 24 through a rotating shaft, the second gear 24 and the first gear 22 are meshed with a chain 23, the chain 23 is matched with the first gear 22 and the second gear 24, the right side of the fixed box 21 is fixedly provided with a protective box 25, the protective box 25 is internally and fixedly provided with a second motor 26, the left end of the second motor 26 extends into the fixed box 21 and is fixedly connected with the first gear 22, the second motor 26 is started through an operation control panel 35, when the second motor 26 works and outputs, the second gear 24 is driven to rotate, because the second gear 24 is meshed with the chain 23 with the first gear 22, the first gear 22 rotates at this moment, thereby driving the screw rods 13 to rotate, and the use load of the second motor 26 is effectively reduced through the mode, thereby extending the useful life of the second motor 26 to some extent.
The front side and the rear side of the support frame 4 are both fixedly provided with a first mounting frame 5, one side of the first mounting frame 5 far away from the support frame 4 is both movably provided with a first connecting rod 6 through a rotating shaft, one end of the first connecting rod 6 far away from the first mounting frame 5 is both movably provided with a support rod 7 through a rotating shaft, the bottom ends of the support rods 7 are both provided with a support table 11, the support frame 4 at the bottom end of the first mounting frame 5 is both fixedly provided with a second mounting frame 9, one side of the second mounting frame 9 far away from the support frame 4 is both movably provided with a second connecting rod 10 through a rotating shaft, one end of the second connecting rod 10 far away from the second mounting frame 9 is both movably connected with the support rods 7 through a rotating shaft, one end of the first connecting rod 6 far away from the first mounting frame 5 is both movably provided with a hydraulic telescopic rod 8 through a rotating shaft, and one end of the hydraulic telescopic rod 8 far away from the support rod 7 is fixedly connected with the support frame 4 through a rotating shaft, the bottom ends of the supporting rods 7 are all fixedly provided with third mounting frames 27, the top ends of the supporting tables 11 are all fixedly provided with fixing frames 28, the top ends of the fixing frames 28 are all provided with second cavities 29, the bottom ends of the third mounting frames 27 all extend into the second cavities 29, both sides of the fixing frames 28 are all provided with second thread grooves 30, the second thread grooves 30 are all communicated with the second cavities 29, the left sides of the third mounting frames 27 are all provided with third thread grooves 32, the inside of the second thread grooves 30 are all provided with limiting bolts 31 through threads, insertion ends of the limiting bolts 31 all extend to the right side of the fixing frames 28 through the third thread grooves 32, the limiting bolts 31 on the right side of the fixing frames 28 are all sleeved with first limiting nuts 33 through threads, the limiting bolts 31 on the right side of the fixing frames 28 are all clockwise provided with the first limiting nuts 33 through threads, the limiting bolts 31 on the right side of the first limiting nuts 33 are all provided with the second limiting nuts 34 through threads in an anticlockwise manner, control panel 35 has been inlayed in the left side of front end left side support frame 4, through revolving the spacing bolt 31 soon, first limit nut 33 and second limit nut 34, at this moment mount 28 and bracing piece 7 are no longer connected fixedly, thereby make brace table 11 no longer be connected fixedly with bracing piece 7, thereby can dismantle brace table 11 with this device, thereby maintain the maintenance to brace table 11, when using because vibrations lead to first limit nut 33 not hard up when outwards rotating, because second limit nut 34 is through anticlockwise installation, consequently at this moment second limit nut 34 inwards moving, thereby spacing first limit nut 33, avoid first limit nut 33 because not hard up drops, thereby influence the condition that the device used, stability when having promoted this device use.
The working principle is as follows: when this device uses, start bracing piece 7 through the button on the operation control panel 35, when bracing piece 7 work is during to the internal contraction, because bracing piece 7 is articulated through axis of rotation activity with head rod 6 and second connecting rod 10, consequently when bracing piece 7 is during the internal contraction, drive head rod 6 and second connecting rod 10 and keep away from the one end downstream of support frame 4, thereby make bracing piece 7 remove downwards, thereby laminate with ground, thereby play and carry out the effect of auxiliary stay to support frame 4.
At this time, the second motor 26 can be started by operating the control panel 35, when the second motor 26 outputs work, the second gear 24 is driven to rotate, because the second gear 24 and the first gear 22 are meshed with the chain 23, the first gear 22 rotates at this time, so that the screw rod 13 is driven to rotate, when the screw rod 13 rotates, because the two groups of movable frames 14 on the screw rod 13 are in threaded fit with the screw rod 13 through the first thread groove 15, at this time, the two groups of movable frames 14 are both far away from each other, so that the third connecting rod 16 moves upwards, the travelling vehicle 17 moves upwards, and at this time, the travelling vehicle 17 is not attached to the ground any more.
When needing device global movement, start second motor 26 through operation control panel 35, make 24 antiport of second gear, thereby make lead screw 13 antiport, at this moment two sets of adjustable shelf 14 are all close to each other, thereby make third connecting rod 16 downstream, and then drive carriage 17 downstream, when carriage 17 moves to a certain position, carriage 17 bottom and ground laminating, at this moment start bracing piece 7 through operation control panel 35, when bracing piece 7 outwards stretches out, make hydraulic telescoping rod 8 and the whole upward movement of second connecting rod 10, at this moment brace table 11 no longer with ground laminating, thereby accessible cooperation carriage 17 removes the device body.
During hoisting, firstly, a rope to be hoisted is placed between the hoisting frames 309, a worker starts the first motor 302 through a button of an operation chamber, when the first motor 302 rotates, the rotating connecting ring 303 is driven to rotate, when the rotating connecting ring 303 rotates, the rotating connecting ring 303 is hinged with the connecting frame 304 through a rotating shaft, and the connecting frame 304 is hinged with the vertical plate 305 through the rotating shaft, so that one ends of the two connecting frames 304, which are far away from the vertical plate 305, move towards the middle, the two hoisting frames 309 are driven to move towards the middle, when the two hoisting frames 309 move inwards to a certain position, the hoisting rope is clamped, and then the device can be operated to hoist.
When the limiting bolt 31 is rotated during use, because the mounting modes of the two threads of the first limiting nut 33 and the second limiting nut 34 are opposite, when the first limiting nut 33 is forced to rotate and moves outwards, the second limiting nut 34 is forced to rotate and moves inwards, so that the first limiting nut 33 is limited, when the supporting platform 11 needs to be maintained, the fixing frame 28 and the supporting rod 7 are not connected and fixed any more by screwing the limiting bolt 31, the first limiting nut 33 and the second limiting nut 34, so that the supporting platform 11 is not connected and fixed with the supporting rod 7 any more, and the supporting platform 11 can be maintained and maintained.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 (5)
1. The utility model provides a portal crane cantilever stand supports supplementary fixed establishment, includes hoist body (1) and cantilever (2), its characterized in that: the end of the cantilever (2) far away from the crane body (1) is fixedly provided with a hoisting mechanism (3), the bottom of the crane body (1) is fixedly provided with four support frames (4), the bottom ends of the support frames (4) are all provided with traveling vehicles (17), the front side and the rear side of each support frame (4) are fixedly provided with a first mounting frame (5), one side of each first mounting frame (5) far away from the support frame (4) is provided with a first connecting rod (6) through a rotating shaft, one end of each first connecting rod (6) far away from the first mounting frame (5) is provided with a support rod (7) through a rotating shaft, the bottom ends of the support rods (7) are all provided with a support table (11), and the support frame (4) at the bottom end of the first mounting frame (5) is fixedly provided with a second mounting frame (9), one side, away from the support frame (4), of the second mounting frame (9) is movably provided with a second connecting rod (10) through a rotating shaft, one end, away from the second mounting frame (9), of the second connecting rod (10) is movably connected with the support rod (7) through the rotating shaft, one end, away from the first mounting frame (5), of the first connecting rod (6) is movably provided with a hydraulic telescopic rod (8) through the rotating shaft, one end, away from the support rod (7), of the hydraulic telescopic rod (8) is fixedly connected with the support frame (4) through the rotating shaft, and the left side of the support frame (4) on the left side of the front end is embedded with a control panel (35);
the hoisting mechanism (3) comprises a hoisting plate (301), a first motor (302), a rotary connecting ring (303), a connecting frame (304), a vertical plate (305), a fixed block (306), a first sliding groove (307), a sliding rail (308) and a hoisting frame (309), wherein the first motor (302) is fixedly installed on the front surface of the hoisting plate (301), the rotary connecting ring (303) is fixedly connected on the front surface of the first motor (302) through a rotating shaft, the connecting frame (304) is movably installed at the two ends of the rotary connecting ring (303) through the rotating shaft, the vertical plate (305) is movably installed on the back surface of one end, away from the rotary connecting ring (303), of the connecting frame (304), the fixed block (306) is fixedly installed at the bottom end of the vertical plate (305), the first sliding groove (307) is installed on one side, close to the fixed block (306), and the sliding rail (308) is fixedly installed at the bottom end of the hoisting plate (301), the sliding rail (308) and the first sliding groove (307) form a sliding mechanism, and the bottom ends of the fixed blocks (306) are fixedly provided with hoisting frames (309);
the bottom end of the supporting frame (4) is provided with a first cavity (12), the first cavity (12) is internally provided with a screw rod (13), the left end of the screw rod (13) is fixedly connected with the left side of the inner wall of the first cavity (12) through a bearing, the right side of the screw rod (13) extends to the outer side of the support frame (4), opposite threads are arranged at two ends of the screw rod (13), a group of movable frames (14) are sleeved at two ends of the screw rod (13), and the number of each group of movable frames (14) is two and is opposite, one side of each group of movable frames (14) close to each other is provided with a first thread groove (15), the first thread grooves (15) are in threaded fit with the screw rods (13), the front face of each group of movable frames (14) is movably provided with third connecting rods (16) through rotating shafts, and the bottom end of each group of third connecting rods (16) is fixedly connected with a walking vehicle (17) through rotating shafts;
the utility model discloses a safe and convenient carrying-out machine, including support frame (4), the right side of support frame (4) is all fixed mounting has fixed case (21), all cup jointed first gear (22) on fixed case (13) of fixed case (21) inboard, all there is second gear (24) through axis of rotation movable mounting in fixed case (21) of first gear (22) rear side, the meshing has chain (23) on second gear (24) and first gear (22), and chain (23) mutually support with first gear (22) and second gear (24), the right side fixed mounting of fixed case (21) has guard box (25), the inside fixed mounting of guard box (25) has second motor (26), the left end of second motor (26) extends to the inside and first gear (22) fixed connection of fixed case (21).
2. The cantilever column support auxiliary fixing mechanism of the portal crane according to claim 1, wherein: the bottom of the supporting rod (7) is fixedly provided with a third mounting frame (27), the top of the supporting table (11) is fixedly provided with a fixing frame (28), the top of the fixing frame (28) is provided with a second cavity (29), the bottom of the third mounting frame (27) extends into the second cavity (29), the two sides of the fixing frame (28) are provided with second thread grooves (30), the second thread grooves (30) are communicated with the second cavity (29), the left side of the third mounting frame (27) is provided with third thread grooves (32), the inner parts of the second thread grooves (30) are provided with limit bolts (31) through threads, the insertion ends of the limit bolts (31) penetrate through the third thread grooves (32) and extend to the right side of the fixing frame (28), and the limit bolts (31) on the right side of the fixing frame (28) are sleeved with first limit nuts (33) through threads, all install first stop nut (33) clockwise through the screw thread on stop bolt (31) on mount (28) right side, all install second stop nut (34) anticlockwise through the screw thread on stop bolt (31) on first stop nut (33) right side.
3. The cantilever column support auxiliary fixing mechanism of the portal crane according to claim 1, wherein: second spout (18) have all been seted up in support frame (4) on first cavity (12) inner wall top, and the quantity of second spout (18) is all two, the inside of second spout (18) all slidable mounting has slider (19), the bottom of slider (19) all with the top fixed connection of adjustable shelf (14).
4. The cantilever column support auxiliary fixing mechanism of the portal crane according to claim 3, wherein: the inboard of slider (19) all has pulley (20) through axis of rotation movable mounting, and the quantity of pulley (20) all is two, pulley (20) all laminates mutually with second spout (18) inner wall.
5. The cantilever column support auxiliary fixing mechanism of the portal crane according to claim 1, wherein: the output end of the control panel (35) is electrically connected with the input ends of the hydraulic telescopic rod (8) and the protective box (25) through wires respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010415936.6A CN111646374B (en) | 2020-05-16 | 2020-05-16 | Cantilever upright post supporting auxiliary fixing mechanism of portal crane |
Applications Claiming Priority (1)
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| CN116216549A (en) * | 2022-12-06 | 2023-06-06 | 上海兴友工程机械有限公司 | A support structure for a crane |
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| RU1813693C (en) * | 1989-12-28 | 1993-05-07 | Научно-Производственное Объединение По Технологии Механосборочного Производства И Специального Технологического Оборудования | Travelling crane |
| EP1088733A2 (en) * | 1999-09-28 | 2001-04-04 | Atecs Mannesmann AG | Railway bogie with integrated inclination compensation for rail-road vehicles |
| CN101348210A (en) * | 2008-07-15 | 2009-01-21 | 三一集团有限公司 | Track transition device, track transition connection device, transition system and method |
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| SU1263612A1 (en) * | 1984-11-05 | 1986-10-15 | Предприятие П/Я А-3681 | Cargo-handling machine outrigger |
| CN102275831A (en) * | 2011-07-13 | 2011-12-14 | 中山市装备制造业科技研究中心 | Multipurpose single-boom-frame gantry crane |
| CN202625661U (en) * | 2012-05-30 | 2012-12-26 | 杭州贝特设备制造有限公司 | Spider-type hoisting machine with additional arm |
| CN103863951B (en) * | 2014-03-28 | 2015-12-09 | 滨州学院 | A kind of container crane shipping unit being suitable for short range transport |
| CN204675699U (en) * | 2015-06-01 | 2015-09-30 | 尚寅蒲 | There is the balance crane from walking function |
| CN110282546B (en) * | 2019-07-09 | 2020-08-21 | 上海振华重工(集团)股份有限公司 | Big car running gear and high pedestal jib crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1813693C (en) * | 1989-12-28 | 1993-05-07 | Научно-Производственное Объединение По Технологии Механосборочного Производства И Специального Технологического Оборудования | Travelling crane |
| EP1088733A2 (en) * | 1999-09-28 | 2001-04-04 | Atecs Mannesmann AG | Railway bogie with integrated inclination compensation for rail-road vehicles |
| CN101348210A (en) * | 2008-07-15 | 2009-01-21 | 三一集团有限公司 | Track transition device, track transition connection device, transition system and method |
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Effective date of registration: 20211215 Address after: 064000 da'anlezhuang village, Fengrun Town, Fengrun District, Tangshan City, Hebei Province Applicant after: HEBEI XINGLONG LIFTING EQUIPMENT Co.,Ltd. Address before: 200433 No. 220, Handan Road, Shanghai, Yangpu District Applicant before: Liu Yong |
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Denomination of invention: An auxiliary fixing mechanism for cantilever column support of portal crane Effective date of registration: 20220427 Granted publication date: 20211231 Pledgee: Bank of Cangzhou Limited by Share Ltd. Fengrun branch Pledgor: HEBEI XINGLONG LIFTING EQUIPMENT Co.,Ltd. Registration number: Y2022980004856 |
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Denomination of invention: An auxiliary fixing mechanism for cantilever column support of portal crane Effective date of registration: 20221117 Granted publication date: 20211231 Pledgee: Bank of Cangzhou Limited by Share Ltd. Fengrun branch Pledgor: HEBEI XINGLONG LIFTING EQUIPMENT Co.,Ltd. Registration number: Y2022110000318 |
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