CN111392566B - Balance adjusting device for crane balance beam connecting structure - Google Patents
Balance adjusting device for crane balance beam connecting structure Download PDFInfo
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- CN111392566B CN111392566B CN202010416269.3A CN202010416269A CN111392566B CN 111392566 B CN111392566 B CN 111392566B CN 202010416269 A CN202010416269 A CN 202010416269A CN 111392566 B CN111392566 B CN 111392566B
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
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Abstract
The invention discloses a balance adjusting device for a crane balance beam connecting structure, which comprises a balance beam and a fixing frame, wherein a connecting box is arranged above the balance beam, a first connecting pile is fixed on the upper surface of the connecting box through a bolt, a connecting ball is arranged on the inner side of the connecting box, supporting rods are uniformly welded on the lower surface of the connecting ball, the fixing frame is welded on the lower surface of the balance beam, connecting plates are welded on the outer surfaces of two sides of the connecting box, a first telescopic cylinder is fixed on the lower surface of the connecting plate through a bolt, a first telescopic rod and a first piston are arranged on the inner side of the first telescopic cylinder, the first piston is sleeved on the top end of the first telescopic rod, a third connecting pile is welded at the bottom end of the first telescopic rod, and a fixing pile is hinged to the bottom end of the third connecting pile through a hinge shaft. The invention has an automatic balance adjusting structure, can automatically adjust the position of the balance block after being hoisted, and is convenient to operate.
Description
Technical Field
The invention relates to the technical field of crane balance beams, in particular to a balance adjusting device for a crane balance beam connecting structure.
Background
The balance beam is an important component of the crane, when a large object is hoisted, the balance beam needs to be assembled at the bottom of the hoisting tool firstly, then the large object is fixed on the balance beam, the large object is hoisted by hoisting the balance beam, and the balance beam is mainly used for keeping balance of hoisted equipment.
The utility model discloses a balance beam, including the compensating beam, the compensating beam connection structure is the spare part of dress on the compensating beam, mainly divide into two kinds, one kind is the center department of dress at the compensating beam upper surface, be used for connecting the hoist, one kind is the bottom of installing at the compensating beam, be used for connecting the lifting hook, the connection structure who installs in the compensating beam bottom is provided with the array more, and be the straight line and arrange, be connected through the connection structure with the lifting hook and the compensating beam bottom different positions, stress point when can making the bottom of compensating beam lift by crane changes, can adjust the balance of compensating beam, current compensating beam balance adjustment device has just utilized this kind of structure.
To this end, chinese patent application No.: CN201310285502.9 discloses a hoist compensating beam structure, its characterized in that, including big compensating beam, two middle compensating beams and two little compensating beams, the center department of big compensating beam installs on the girder, two middle compensating beams correspond and install in the both ends of big compensating beam, just running wheel set is installed to the bottom of two middle compensating beams, the center department of two little compensating beams installs on middle compensating beam, just running wheel set is all installed at the both ends of two little compensating beams. The middle balance beam is additionally arranged on the balance beam structure of the crane, and the balance beam structure has the advantages of large bearing capacity and good balance effect. The connecting structure of the two small balance beams is similar to that of the balance beam, the two small balance beams are connected with the large balance beam through the traveling wheel set, balance adjustment can be achieved by adjusting the positions of the small balance beams, and the small balance beams are the same as the existing balance adjusting device and all need to be manually adjusted.
The existing balance adjusting device realizes balance adjustment by changing stress points when the balance beam is lifted, needs to be adjusted and completed when being lifted, needs to be manually adjusted, is troublesome to operate, is particularly troublesome to adjust when lifting some irregular objects, cannot automatically adjust balance during lifting, and therefore the balance adjusting device for the balance beam connecting structure of the crane needs to be designed urgently to solve the problems.
Disclosure of Invention
The invention aims to provide a balance adjusting device for a crane balance beam connecting structure, which aims to solve the problems that the adjustment is required to be completed when the crane is lifted, the manual adjustment is required, the operation is troublesome, the adjustment is particularly troublesome when irregular objects are lifted, and the balance cannot be automatically adjusted during the lifting in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a balance adjusting device for a crane balance beam connecting structure comprises a balance beam and a fixing frame, wherein a connecting box is arranged above the balance beam, a first connecting pile is fixed on the upper surface of the connecting box through bolts, a connecting ball is arranged on the inner side of the connecting box, a supporting rod is uniformly welded on the lower surface of the connecting ball, a fixing frame is welded on the lower surface of the balance beam, connecting plates are welded on the outer surfaces of two sides of the connecting box, a first telescopic cylinder is fixed on the lower surface of the connecting plate through bolts, a first telescopic rod and a first piston are arranged on the inner side of the first telescopic cylinder, the first piston is sleeved on the top end of the first telescopic rod, a third connecting pile is welded at the bottom end of the first telescopic rod, a fixing pile is hinged to the bottom end of the third connecting pile through a hinged shaft, and the bottom end of the fixing pile is fixedly connected with the upper surface of the balance beam through, the top integration of first telescoping cylinder is connected with the connecting pipe, the surface of connecting plate is pierce through on the top of connecting pipe, the pipe has been cup jointed to the surface of connecting pipe, the transition pipe has been cup jointed to the other end of pipe, the both sides of transition pipe all are provided with the second telescoping cylinder, the inboard of second telescoping cylinder is provided with second telescopic link and second piston, and the second piston cup joints on one end of second telescopic link, the second connecting pile has been cup jointed to the other end of second telescopic link, the inboard of second connecting pile articulates through the articulated shaft has the link, the other end of link is provided with the balancing weight, the bottom of balancing weight is provided with the slide rail.
Preferably, the inner wall shape of connecting box is the same with the appearance of connecting the ball, it is ball column structure to connect the ball, the inner wall of connecting box is smooth, it is connected with the connecting box interference to connect the ball, it constitutes revolution mechanic with the connecting box to connect the ball, the sealing ring is established to the lower surface cover of connecting the ball, and the periphery of sealing ring is embedded on the inner wall of connecting box.
Preferably, the number of bracing pieces is three, and three group's bracing pieces are triangle-shaped and arrange, the bottom of bracing piece and the upper surface welded fastening of compensating beam.
Preferably, the outer surface of the connecting plate is fixed with a guide rod through a screw, the outer surface of the balancing weight penetrates through the through groove, the inner cavity of the through groove is in a long strip shape, the other end of the guide rod penetrates through the through groove, the outer surface of the guide rod is abutted to the inner wall of the through groove, and the guide rod and the through groove form a lifting structure.
Preferably, first telescoping cylinder is the cylindrical structure, the inner wall of first telescoping cylinder is smooth, the surface of first piston is contradicted with the inner wall of first telescoping cylinder, the bottom of first telescoping cylinder is embedded to have first sealing washer, and first telescopic link runs through the inboard setting in first sealing washer, elevation structure is constituteed with first telescoping cylinder to first piston, elevation structure is constituteed with first telescoping cylinder to first telescopic link through first piston, the quantity of first telescoping cylinder is two sets of, and is two sets of first telescoping cylinder is connecting box central symmetry and arranges, first telescopic link is the same with the quantity of first telescoping cylinder, and first telescopic link and first telescoping cylinder one-to-one.
Preferably, the second telescoping cylinder is the cylindrical structure, the inner wall of second telescoping cylinder is smooth, the surface of second piston is contradicted with the inner wall of second telescoping cylinder, extending structure is constituteed with the second telescoping cylinder to the second piston, one side cover that the second piston was kept away from to the one end of second telescopic link is equipped with the second sealing washer, and the surface of second sealing washer is embedded on the second telescoping cylinder, the extending structure is constituteed through second piston and second telescoping cylinder to the second telescopic link, the quantity of second telescoping cylinder is four groups, and four groups of second telescoping cylinders are two liang of opposite arrangements.
Preferably, the second connection stake forms revolution mechanic with the link, the link is "eight" font structure, and the one end of link passes through the screw and is connected fixedly with the balancing weight, sliding construction is constituteed with the slide rail to the balancing weight, the quantity of slide rail is two sets ofly, and is two sets of the slide rail is the bottom both sides of balancing weight and arranges.
Preferably, the transition pipe is "U" shape structure, the one end of pipe is passed through the screw thread and is connected fixedly with the top of connecting pipe, and the other end of pipe passes through the screw thread and is connected fixedly with the center department of transition pipe, the both ends of transition pipe are all connected fixedly through the screw thread with the one end of second telescoping cylinder, the inner chamber of first telescoping cylinder passes through the inner chamber intercommunication of connecting pipe and pipe, the inner chamber of pipe passes through the inner chamber intercommunication of transition pipe and second telescoping cylinder.
Preferably, the bottom of the third connecting pile forms a rotating structure with the fixing pile through a hinge shaft, and the first telescopic rod forms a rotating structure with the balance beam through the third connecting pile.
Compared with the prior art, the invention has the beneficial effects that: the balance adjusting device for the crane balance beam connecting structure is provided with an automatic balance adjusting structure, the position of a balance block can be automatically adjusted after the balance adjusting device is lifted, and the operation is convenient.
The balance beam lifting device is provided with a connecting box, a connecting ball, a first telescopic cylinder, a first telescopic rod, a first piston, a connecting pipe, a guide pipe, a second telescopic cylinder, a second telescopic rod, a second piston, a second connecting pile, a connecting frame, a balancing weight, a sliding rail and a transition pipe, wherein the supporting rod is welded on the balance beam, the connecting ball is fixed at the top end of the supporting rod, the connecting box is movably connected with the connecting ball, so that the balance beam can rotate left and right on the connecting box through the connecting ball, the first telescopic rod is movably connected with two sides of the connecting box, the first telescopic rod is connected with the first telescopic cylinder through the first piston in a lifting way, an inner cavity of the first telescopic cylinder is communicated with the second telescopic cylinder through the connecting pipe and the guide pipe in a matching way, and if two ends of the balance beam are unbalanced after being lifted, the balance beam on the heavier side can be pressed down, so that the balance beam on the lighter side can be, can push up and move first telescopic link and rise, make first telescopic link drive the hydraulic oil that first piston top moved in the first telescoping cylinder, make hydraulic oil pass through the connecting pipe, pipe and transition pipe flow in the second telescoping cylinder, can make the second piston in the second telescoping cylinder outwards stretch out, make the second piston drive the second telescopic link and push up and move second connecting pile, can make the second connecting pile push up the balancing weight and outwards remove through the link, can aggravate for lighter one end, make the compensating beam adjust to balanced state, need not manual adjustment balance, and still can adjust after lifting, and then reach and have automatic balance adjustment structure, can be after lifting by automatic adjustment balancing piece position, convenient operation's effect.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic top view of the structure of the present invention;
FIG. 3 is a schematic cross-sectional front view of the structure at A-A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 5 is a schematic cross-sectional side view of the counterweight block of FIG. 1 according to the present invention;
FIG. 6 is a schematic side cross-sectional view of the first telescoping cylinder and the first telescoping rod of FIG. 2 according to the present invention;
FIG. 7 is a partial top cross-sectional view of the structure of the conduit and transition duct of FIG. 3 according to the present invention.
In the figure: 1. a balance beam; 2. a connecting box; 3. a connecting ball; 4. a support bar; 5. a first connecting pile; 6. a connecting plate; 7. a first telescoping cylinder; 8. a first telescopic rod; 9. a first piston; 10. a connecting pipe; 11. a conduit; 12. a second telescoping cylinder; 13. a second telescopic rod; 14. a second piston; 15. a second connecting pile; 16. a connecting frame; 17. a balancing weight; 18. a through groove; 19. a guide bar; 20. a slide rail; 21. a seal ring; 22. a transition duct; 23. a first seal ring; 24. a third connecting pile; 25. fixing the pile; 26. a second seal ring; 27. a fixing frame.
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. 1-7, an embodiment of the present invention is shown: the utility model provides a hoist compensating beam is balance adjustment device for connection structure, includes compensating beam 1 and mount 27, and the top of compensating beam 1 is provided with connecting box 2, and the upper surface of connecting box 2 is fixed with first connecting pile 5 through the bolt, and the inboard of connecting box 2 is provided with connects ball 3.
Preferably, the inner wall shape of coupling box 2 is the same with the appearance of coupling ball 3, coupling ball 3 is the ball column structure, the inner wall of coupling box 2 is smooth, coupling ball 3 is connected with coupling box 2 interference, coupling ball 3 constitutes revolution mechanic with coupling box 2, coupling ball 3's lower surface cover establishes sealing ring 21, and the periphery of sealing ring 21 is embedded on coupling box 2's inner wall, as shown in fig. 3, through coupling ball 3 and coupling box 2 swing joint, make compensating beam 1 can rotate on coupling box 2 through coupling ball 3, scribble lubricating oil between coupling ball 3 and the coupling box 2, can reduce the rotation friction power of coupling ball 3 with coupling box 2, sealing ring 21 can improve the leakproofness between coupling ball 3 and the coupling box 2, avoid the dust to get into between coupling ball 3 and the coupling box 2.
Even welding of the lower surface of connecting ball 3 has bracing piece 4, and the quantity of bracing piece 4 is three groups, and three group's bracing pieces 4 are triangle-shaped and arrange, and the bottom of bracing piece 4 and the last surface welding of compensating beam 1 are fixed, as shown in fig. 1, will connect ball 3 through three group's bracing pieces 4 and compensating beam 1 upper surface connection fixed, make the connection of connecting ball 3 and compensating beam 1 more firm.
The lower surface of the balance beam 1 is welded with a fixing frame 27, the outer surfaces of two sides of the connecting box 2 are welded with connecting plates 6, the lower surface of the connecting plate 6 is fixed with a first telescopic cylinder 7 through bolts, the inner side of the first telescopic cylinder 7 is provided with a first telescopic rod 8 and a first piston 9, the first piston 9 is sleeved on the top end of the first telescopic rod 8,
preferably, the first telescopic cylinder 7 is a cylindrical structure, the inner wall of the first telescopic cylinder 7 is smooth, the outer surface of the first piston 9 abuts against the inner wall of the first telescopic cylinder 7, the bottom end of the first telescopic cylinder 7 is embedded with a first sealing ring 23, the first telescopic rod 8 penetrates through the inner side of the first sealing ring 23, the first sealing ring 23 plays a role in improving the sealing property between the first telescopic rod 8 and the first telescopic cylinder 7, the first piston 9 and the first telescopic cylinder 7 form a lifting structure, the first telescopic rod 8 and the first telescopic cylinder 7 form a lifting structure through the first piston 9, the number of the first telescopic cylinders 7 is two, the two groups of the first telescopic cylinders 7 are symmetrically arranged in the center of the connecting box 2, the number of the first telescopic rods 8 is the same as that of the first telescopic cylinders 7, the first telescopic rods 8 correspond to the first telescopic cylinders 7 one by one, as shown in fig. 3, the first telescopic cylinders 7 are installed on both sides of the connecting box 2, hydraulic oil has been filled with in the first telescoping cylinder 7, and first telescoping cylinder 7 and first piston 9 swing joint make compensating beam 1 when using connecting ball 3 as center luffing motion, can drive first telescopic link 8 and contract in first telescoping cylinder 7 as the one end perk of compensating beam 1, make the hydraulic oil in the first telescoping cylinder 7 can inwards compress, can produce hydraulic pressure force.
The bottom welding of first telescopic link 8 has third connecting pile 24, the bottom of third connecting pile 24 articulates through the articulated shaft has spud pile 25, and the bottom of spud pile 25 is fixed through the upper surface connection of bolt and compensating beam 1, the top integration of first telescoping cylinder 7 is connected with connecting pipe 10, the surface of connecting plate 6 is penetrated to the top of connecting pipe 10, the bottom of third connecting pile 24 is passed through the articulated shaft and is constituteed rotating-structure with spud pile 25, first telescopic link 8 is through third connecting pile 24 and compensating beam 1 constitution rotating-structure, as shown in fig. 6, rotate with third connecting pile 24 through spud pile 25 and be connected, compensating beam 1 can push up third connecting pile 24 through spud pile 25 after making compensating beam 1 perk, make third connecting pile 24 drive first telescopic link 8 vertical motion and can not produce crooked.
The outer surface of the connecting pipe 10 is sleeved with a guide pipe 11, the other end of the guide pipe 11 is sleeved with a transition pipe 22, both sides of the transition pipe 22 are provided with a second telescopic cylinder 12, the inner side of the second telescopic cylinder 12 is provided with a second telescopic rod 13 and a second piston 14, and the second piston 14 is sleeved on one end of the second telescopic rod 13,
preferably, the second telescopic cylinder 12 is a cylindrical structure, the inner wall of the second telescopic cylinder 12 is smooth, the outer surface of the second piston 14 is abutted against the inner wall of the second telescopic cylinder 12, the second piston 14 and the second telescopic cylinder 12 form a telescopic structure, one side of one end of the second telescopic rod 13, which is far away from the second piston 14, is sleeved with a second sealing ring 26, the outer surface of the second sealing ring 26 is embedded in the second telescopic cylinder 12, the second telescopic rod 13 forms a telescopic structure with the second telescopic cylinder 12 through the second piston 14, the number of the second telescopic cylinders 12 is four, and the four groups of the second telescopic cylinders 12 are arranged in pairs in opposite directions, as shown in fig. 7, the second piston 14 extends and retracts in the second telescopic cylinder 12, so that the second piston 14 drives the second telescopic rod 13 to extend and retract in the second telescopic cylinder 12, the second sealing ring 26 is made of rubber, and the second sealing ring 26 plays a role in increasing the sealing property between the second telescopic rod 13 and the second telescopic cylinder 12.
Preferably, the transition pipe 22 is in a "U" shape, one end of the guide pipe 11 is connected and fixed with the top end of the connecting pipe 10 through a screw thread, and the other end of the conduit 11 is fixedly connected with the center of the transition pipe 22 through threads, both ends of the transition pipe 22 are fixedly connected with one end of the second telescopic cylinder 12 through threads, the inner cavity of the first telescopic cylinder 7 is communicated with the inner cavity of the conduit 11 through the connecting pipe 10, the inner cavity of the conduit 11 is communicated with the inner cavity of the second telescopic cylinder 12 through the transition pipe 22, as shown in fig. 3 and 7, the inner cavities of the first telescopic cylinder 7 and the second telescopic cylinder 12 are communicated through the matching of the connecting pipe 10, the guide pipe 11 and the transition pipe 22, so that when the first piston 9 performs piston motion in the first telescopic cylinder 7, hydraulic oil can flow into the second telescopic cylinder 12 through the connecting pipe 10, the guide pipe 11 and the transition pipe 22, so that hydraulic pressure can be released to the second piston 14, and the second piston 14 drives the second telescopic rod 13 to extend outwards.
The other end of second telescopic link 13 has cup jointed the second and has connected stake 15, and the inboard of second connection stake 15 articulates through the articulated shaft has link 16, and the other end of link 16 is provided with balancing weight 17, and the bottom of balancing weight 17 is provided with slide rail 20.
Preferably, the outer surface of connecting plate 6 is fixed with guide arm 19 through the screw, logical groove 18 has been seted up in the surface penetration of balancing weight 17, the inner chamber shape that leads to groove 18 is rectangular shape, the other end of guide arm 19 runs through logical groove 18, and the surface of guide arm 19 conflicts with the inner wall that leads to groove 18, guide arm 19 constitutes elevation structure with logical groove 18, as shown in fig. 1 and fig. 5, through having seted up logical groove 18 on balancing weight 17, and install guide arm 19 on connecting plate 6, pass logical groove 18 through guide arm 19, can keep balancing weight 17 can not swing when moving along with compensating beam 1, improve the motion stability.
Preferably, the second connecting pile 15 and the connecting frame 16 form a rotating structure, the connecting frame 16 is of a structure shaped like a Chinese character 'ba', one end of the connecting frame 16 is fixedly connected with the counterweight 17 through a screw, the counterweight 17 and the slide rail 20 form a sliding structure, the number of the slide rails 20 is two, the two sets of slide rails 20 are arranged on two sides of the bottom end of the counterweight 17, as shown in fig. 4-5, the connecting frame 16 is of a structure shaped like a Chinese character 'ba', two ends of the connecting frame 16 can be connected with the counterweight 17, the second connecting pile 15 can push the connecting frame 16 when moving, the connecting frame 16 pushes the counterweight 17 to slide on the slide rails 20, and the slide rails 20 are coated with lubricating oil, so that the sliding friction force of the counterweight 17 on the slide rails 20 is reduced.
The working principle is as follows: firstly, the bottom end hook of the lifting appliance is fixedly connected with the first connecting pile 5, when an object needs to be lifted, the two sides of the object are firstly bound and fixed through the binding bands, then the top end hooks of the two binding bands are fixedly connected with the fixing frame 27, and the bottom end stress point positions of the balance beam 1 can be different through hanging the hooks in different fixing holes in the fixing frame 27.
When the object is lifted, if the two ends of the balance beam 1 are unbalanced after the balance beam is lifted, then the balance beam 1 on the heavier side can be pressed downwards, so that the balance beam 1 on the lighter side upwarps, then the upwarped end of the balance beam 1 can push the first telescopic rod 8 to ascend, so that the first telescopic rod 8 drives the first piston 9 to push the hydraulic oil in the first telescopic cylinder 7, so that the hydraulic oil flows into the second telescopic cylinder 12 through the connecting pipe 10 and the guide pipe 11 and the transition pipe 22, so that the hydraulic pressure pushes the second piston 14 in the second telescopic cylinder 12, that is, the second piston 14 can extend outwards, so that the second piston 14 drives the second telescopic rod 13 to extend out, so that the second telescopic rod 13 can push the second connecting pile 15, so that the second connecting pile 15 pushes the counterweight 17 to move outwards through the connecting frame 16, that the lighter end can be weighted, and the balance beam 1 is adjusted to a balanced state.
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 (9)
1. A balance adjusting device for a crane balance beam connecting structure comprises a balance beam (1) and a fixing frame (27), wherein a connecting box (2) is arranged above the balance beam (1), a first connecting pile (5) is fixed on the upper surface of the connecting box (2) through bolts, a connecting ball (3) is arranged on the inner side of the connecting box (2), supporting rods (4) are uniformly welded on the lower surface of the connecting ball (3), the fixing frame (27) is welded on the lower surface of the balance beam (1), connecting plates (6) are welded on the outer surfaces of two sides of the connecting box (2), a first telescopic cylinder (7) is fixed on the lower surface of each connecting plate (6) through bolts, a first telescopic rod (8) and a first piston (9) are arranged on the inner side of the first telescopic cylinder (7), and the first piston (9) is sleeved on the top end of the first telescopic rod (8), the bottom end of the first telescopic rod (8) is welded with a third connecting pile (24), the bottom end of the third connecting pile (24) is hinged with a fixing pile (25) through a hinged shaft, the bottom end of the fixing pile (25) is fixedly connected with the upper surface of the balance beam (1) through a bolt, the top end of the first telescopic cylinder (7) is integrally connected with a connecting pipe (10), the top end of the connecting pipe (10) penetrates through the outer surface of the connecting plate (6), the outer surface of the connecting pipe (10) is sleeved with a guide pipe (11), the other end of the guide pipe (11) is sleeved with a transition pipe (22), two sides of the transition pipe (22) are provided with second telescopic cylinders (12), the inner sides of the second telescopic cylinders (12) are provided with second telescopic rods (13) and second pistons (14), the second pistons (14) are sleeved on one ends of the second telescopic rods (13), the other ends of the second telescopic rods (13) are sleeved with second connecting piles (15), the inboard of second connecting pile (15) is articulated through the articulated shaft and is had link (16), the other end of link (16) is provided with balancing weight (17), the bottom of balancing weight (17) is provided with slide rail (20).
2. The balance adjusting device for the balance beam connecting structure of the crane according to claim 1, wherein: the inner wall shape of connecting box (2) is the same with the appearance of connecting ball (3), it is ball column structure to connect ball (3), the inner wall of connecting box (2) is smooth, it is connected with connecting box (2) interference to connect ball (3), it constitutes revolution mechanic with connecting box (2) to connect ball (3), sealing ring (21) is established to the lower surface cover of connecting ball (3), and the periphery of sealing ring (21) is embedded on the inner wall of connecting box (2).
3. The balance adjusting device for the balance beam connecting structure of the crane according to claim 1, wherein: the number of bracing piece (4) is three groups, and three group's bracing pieces (4) are triangle-shaped and arrange, the bottom of bracing piece (4) and the upper surface welded fastening of compensating beam (1).
4. The balance adjusting device for the balance beam connecting structure of the crane according to claim 1, wherein: the outer surface of connecting plate (6) is fixed with guide arm (19) through the screw, logical groove (18) have been seted up in the surface of balancing weight (17) pierces through, the inner chamber shape that leads to groove (18) is rectangular shape, the other end of guide arm (19) runs through logical groove (18), and the outer surface of guide arm (19) contradicts with the inner wall that leads to groove (18), and guide arm (19) and logical groove (18) constitution elevation structure.
5. The balance adjusting device for the balance beam connecting structure of the crane according to claim 1, wherein: the first telescopic cylinder (7) is of a cylindrical structure, the inner wall of the first telescopic cylinder (7) is smooth, the outer surface of the first piston (9) is abutted against the inner wall of the first telescopic cylinder (7), a first sealing ring (23) is embedded in the bottom end of the first telescopic cylinder (7), and the first telescopic rod (8) is arranged by penetrating through the inner side of the first sealing ring (23), the first piston (9) and the first telescopic cylinder (7) form a lifting structure, the first telescopic rod (8) and the first telescopic cylinder (7) form a lifting structure through a first piston (9), the number of the first telescopic cylinders (7) is two, the two groups of the first telescopic cylinders (7) are arranged in a central symmetry way in the connecting box (2), the number of the first telescopic rods (8) is the same as that of the first telescopic cylinders (7), and the first telescopic rods (8) correspond to the first telescopic cylinders (7) one by one.
6. The balance adjusting device for the balance beam connecting structure of the crane according to claim 1, wherein: the utility model discloses a telescopic structure, including first telescopic cylinder (12), second piston (14), and second telescopic cylinder (12), the inner wall of second telescopic cylinder (12) is smooth, the surface of second piston (14) is contradicted with the inner wall of second telescopic cylinder (12), the telescopic structure is constituteed with second telescopic cylinder (12) to second piston (14), one side cover that second piston (14) were kept away from to the one end of second telescopic link (13) is equipped with second sealing washer (26), and the surface of second sealing washer (26) is embedded on second telescopic cylinder (12), telescopic structure is constituteed through second piston (14) and second telescopic cylinder (12) in second telescopic link (13), the quantity of second telescopic cylinder (12) is four groups, and two liang of four groups of second telescopic cylinders (12) are opposite and arrange.
7. The balance adjusting device for the balance beam connecting structure of the crane according to claim 1, wherein: rotating-structure is constituteed with link (16) in second connecting pile (15), link (16) are "eight" font structure, and the one end of link (16) is passed through the screw and is connected fixedly with balancing weight (17), sliding structure is constituteed with slide rail (20) balancing weight (17), the quantity of slide rail (20) is two sets of, and is two sets of slide rail (20) are the bottom both sides of balancing weight (17) and arrange.
8. The balance adjusting device for the balance beam connecting structure of the crane according to claim 1, wherein: transition pipe (22) are "U" shape structure, the one end of pipe (11) is passed through the screw thread and is connected fixedly with the top of connecting pipe (10), and the other end of pipe (11) is located to be connected fixedly through the screw thread with the center of transition pipe (22), the both ends of transition pipe (22) are all connected fixedly through the screw thread with the one end of second telescoping cylinder (12), the inner chamber of first telescoping cylinder (7) passes through the inner chamber intercommunication of connecting pipe (10) with pipe (11), the inner chamber of pipe (11) passes through the inner chamber intercommunication of transition pipe (22) with second telescoping cylinder (12).
9. The balance adjusting device for the balance beam connecting structure of the crane according to claim 1, wherein: the bottom of third connecting pile (24) passes through the articulated shaft and constitutes revolution mechanic with spud pile (25), revolution mechanic is constituteed with compensating beam (1) through third connecting pile (24) in first telescopic link (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010416269.3A CN111392566B (en) | 2020-05-17 | 2020-05-17 | Balance adjusting device for crane balance beam connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010416269.3A CN111392566B (en) | 2020-05-17 | 2020-05-17 | Balance adjusting device for crane balance beam connecting structure |
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| CN111392566A CN111392566A (en) | 2020-07-10 |
| CN111392566B true CN111392566B (en) | 2021-07-16 |
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| CN116789013B (en) * | 2023-06-17 | 2024-07-23 | 南京港机重工制造有限公司 | Sectional balance beam and machining positioning device and machining method thereof |
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| JP2814344B2 (en) * | 1994-01-06 | 1998-10-22 | 五洋建設株式会社 | Lifting tool with hydraulic cylinder |
| CN101948076B (en) * | 2010-09-30 | 2012-09-05 | 三一集团有限公司 | Container spreader |
| CN202754685U (en) * | 2012-06-06 | 2013-02-27 | 中国石油天然气集团公司 | Hydraulic tube scratcher |
| DE102013222472A1 (en) * | 2013-11-06 | 2015-05-07 | Robert Bosch Gmbh | Hydraulic pressure intensifier |
| CN204751966U (en) * | 2015-06-19 | 2015-11-11 | 河南宝起华东起重机有限公司 | Adjustable compensating beam of hoist |
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