CN113998605B - Wall bushing hoisting balance tool - Google Patents
Wall bushing hoisting balance tool Download PDFInfo
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- CN113998605B CN113998605B CN202111145452.5A CN202111145452A CN113998605B CN 113998605 B CN113998605 B CN 113998605B CN 202111145452 A CN202111145452 A CN 202111145452A CN 113998605 B CN113998605 B CN 113998605B
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- wall bushing
- counterweight
- bushing
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- seat
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- 238000009434 installation Methods 0.000 claims abstract description 51
- 230000003014 reinforcing effect Effects 0.000 claims description 43
- 230000005484 gravity Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- 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
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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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a wall bushing hoisting balance tool, which comprises a counterweight and a counterweight mounting seat, wherein the length extending direction of a wall bushing to be hoisted is defined to be the left-right direction, the counterweight mounting seat is provided with a length extending along the left-right direction, the left side of the counterweight mounting seat is provided with a bushing mounting structure for being matched with the end part of the wall bushing, the installation of the wall bushing hoisting balance tool at the end part of the wall bushing is realized, the right end of the wall bushing is provided with a counterweight mounting position, the counterweight is arranged at the counterweight mounting position, the wall bushing hoisting balance tool is arranged at one end of the wall bushing to be hoisted, which is used for extending to the outside of a valve hall, through the bushing mounting structure, so that the gravity center of the whole body formed by the wall bushing hoisting balance tool moves rightwards relative to the gravity center of the wall bushing, and a bushing flange of the lifting hook and the wall bushing has a larger distance in the horizontal direction, thereby ensuring that the bushing flange reaches the mounting position before hoisting equipment contacts with the valve hall wall body, and the installation of the wall bushing on the valve hall wall body is realized.
Description
Technical Field
The invention relates to a wall bushing hoisting balance tool.
Background
In a direct current transmission system, a wall bushing is required to be used for connecting direct current field equipment of a converter station and a valve hall, so that the wall insulation and current carrying effects are achieved. SF 6 gas is filled in the wall bushing, one end of the wall bushing is connected with direct current equipment outside the valve hall, and the other end of the wall bushing is connected with a converter tower in the valve hall.
In a specific structure, as shown in fig. 1, the wall bushing is internally provided with a conductive element (center conductor, electrical connection, etc.) and a terminal 1 for realizing electric quantity transmission. In order to realize the installation of the wall bushing on the valve hall wall, the middle part of the wall bushing is provided with a bushing flange 2, and the bushing flange 2 is used for being matched with a bushing installation flange on the valve hall wall so as to realize the installation of the wall bushing on the valve hall wall. Besides, the equalizing rings are arranged at the two ends of the wall bushing to uniformly adjust the surface field intensity of the high-voltage part of the bushing, and specifically, the equalizing rings are arranged on the flange plate at the end part of the wall bushing. In the manufacturing method, the requirement of the assembly of the wall bushing on the cleanliness of the environment is high, so that the wall bushing needs to be assembled in a workshop, the whole wall bushing is transported to an installation site for installation, the size and the weight of the wall bushing are large, the length of the wall bushing can reach about 25 meters, the weight of the wall bushing can reach 10 tons, and the installation position of the wall bushing on a valve hall wall is high, so that the wall bushing is hoisted by adopting a crane 22 in the installation site.
As shown in fig. 1, a section of the wall bushing located at the left side of the bushing flange 2 is to extend into the valve hall, so that during hoisting, hoisting points can only be selected at the bushing flange and the right side section of the wall bushing, and the center of gravity of the wall bushing is closer to the bushing flange 2, and during hoisting, the crane hook is aligned up and down with the center of gravity of the wall bushing, so that the wall bushing enters a bushing installation window formed on the wall of the valve hall in a desired posture, that is, the wall bushing enters the installation window in a posture that the axis coincides with the axis of the flange in the installation window, therefore, the situation that the crane shown in fig. 1 is far away from the bushing installation flange on the wall of the valve hall still exists due to the fact that the crane is already propped against the wall of the valve hall, and the wall bushing flange 2 is heavier, and cannot be manually pushed, so that the installation operation cannot be performed.
Disclosure of Invention
The invention aims to provide a wall bushing hoisting balance tool, which solves the technical problem that in the prior art, the installation cannot be performed due to interference between a crane and a valve hall wall when the hoisting is easy to occur because the center of gravity of the wall bushing is close to a bushing flange.
In order to achieve the above purpose, the technical scheme of the wall bushing hoisting balance tool provided by the invention is as follows:
The wall bushing hoisting balance tool comprises a counterweight and a counterweight mounting seat, wherein the length extending direction of a wall bushing to be hoisted is defined to be the left-right direction, the counterweight mounting seat is provided with a length extending along the left-right direction, the left side of the counterweight mounting seat is provided with a bushing mounting structure for being matched with the end part of the wall bushing, the installation of the wall bushing hoisting balance tool at the end part of the wall bushing is realized, the right end of the wall bushing is provided with a counterweight mounting position, and the counterweight is arranged at the counterweight mounting position;
The counterweight installation seat is of a frame structure, a plurality of beams (8) with the lengths extending along the left-right direction are arranged to form a beam array, the left vertical seat is fixed at the left end of the beam array, the right vertical seat is fixed at the right end of the beam array, the sleeve installation structure is arranged on the left vertical seat and is an installation structure matched with the equalizing ring installation structure at the end of the wall-through sleeve, the counterweight installation position is positioned on the right side of the right vertical seat, the counterweight installation seat further comprises reinforcing diagonal ribs positioned in the beam array, the reinforcing diagonal ribs are obliquely connected between the left vertical seat and the right vertical seat in an included angle manner with the left-right direction, the number of the beams is even, two beams which are oppositely arranged form a beam group, at least two reinforcing diagonal ribs are arranged between the two beams of the beam group in an X-shaped manner, and the counterweight is detachably installed at the counterweight installation position through the detachable installation structure or the counterweight is directly fixed at the counterweight installation position of the counterweight installation seat in a welding manner.
The beneficial effects are that: install wall bushing hoist and mount balanced frock through sleeve mounting structure on the wall bushing's that wait to hoist one end that is used for stretching to the valve room outside, based on the counter weight mount pad has certain length in the left and right directions, make counter weight distance wall bushing that wait to hoist have certain distance, weigh wall bushing's one end effectively, make wall bushing's the holistic focus of wall bushing hoist and mount balanced frock right offset for wall bushing self focus through the tip is aggravated, when hoist and mount wall bushing like this, can make lifting hook and wall bushing's sleeve flange have bigger distance in the horizontal direction, thereby ensure that sleeve flange reachs the mounted position before lifting device and valve room wall body contact, realize the installation to wall bushing on the valve room wall body. The counter weight mount pad adopts frame-type structure and sleeve pipe mounting structure for the mounting structure with the equalizer ring mounting structure adaptation of wall bushing tip for the counter weight mount pad has as simple structure as possible, makes the focus of wall bushing hoist and mount balancing unit be close to counter weight installation position as far as possible. The reinforcing inclined ribs are arranged to further improve the structural strength of the frame type counterweight mounting seat. The reinforcing inclined rib and any beam in the corresponding beam group also have a corresponding vertical seat to form a triangular structure, and the stability of the triangle is utilized to ensure that the counterweight mounting seat has reliable structural strength.
As a further improvement, there are a plurality of weights, and the weight mounting position has a weight mounting structure for realizing detachable mounting of the weights at the weight mounting position, and the plurality of weights are mounted on the weight mounting seat by the weight mounting structure.
The beneficial effects are that: the counterweight can be increased or decreased adaptively according to the weight and the installation condition of the actual wall bushing, and the universality of the wall bushing hoisting balance tool is improved.
As a further improvement, the counterweight mounting structure includes a guide rail extending from left to right, the counterweight being mounted on the guide rail in guiding engagement with the guide rail, and the counterweight mounting structure further includes a locking structure that locks the counterweight at an arbitrary position on the guide rail.
The beneficial effects are that: the universality of the wall bushing hoisting balance tool is improved by increasing or decreasing the balance weight, and meanwhile, the two-stage adjustment of the integral gravity center is realized by changing the position of the balance weight in the left-right direction, so that the universality of the wall bushing hoisting balance tool and the convenience of adjustment are further improved.
As a further improvement, the guide rail is a screw rod, and the locking structure comprises a positioning nut and a locking nut which are screwed on the screw rod, wherein the positioning nut is positioned on the left side of the counterweight, and the locking nut is positioned on the right side of the counterweight.
The beneficial effects are that: the screw and nut assembly is adopted, stepless adjustment of the counterweight in the left-right direction is realized, and the adjustment operation is extremely convenient.
As a further improvement, the counterweight mounting seat further comprises a reinforcing plate arranged in the middle of the beam array in the left-right direction, and the middle of the reinforcing plate is provided with a through hole for each reinforcing inclined rib to pass through.
The beneficial effects are that: all the reinforcing diagonal ribs meet at the middle parts of the counterweight mounting seat in the left-right direction, the reinforcing diagonal rib group has the smallest size at the position, the reinforcing plate is arranged at the position where the smallest through holes can be formed, and naturally, the reinforcing plate can have the plate surface as much as possible, so that the reinforcing plate has the reinforcing effect as much as possible.
As a further improvement, the counterweight mounting seat is provided with a stop structure for stopping a sling for hoisting the wall bushing from sliding leftwards; or the counterweight mounting seat is provided with a connecting structure for connecting a sling for hoisting the wall bushing.
The beneficial effects are that: the stop structure or the connecting structure is arranged, the sling is positioned on the counterweight mounting seat, the best stress state of the sleeve mounting structure is ensured, and the local overstress of the sleeve mounting structure is avoided.
As a further improvement, the cross beam is provided with a stop structure for stopping a sling for hoisting the wall bushing from sliding leftwards, and the stop structure is assembled on the cross beam and has an adjustable position on the cross beam; or the cross beam is provided with a connecting structure for connecting a sling for hoisting the wall bushing, and the connecting structure is assembled on the cross beam and the position on the cross beam is adjustable.
The beneficial effects are that: the left and right positions of the stop structure and the connecting structure are adjustable, so that the position of the lifting point is flexible and adjustable, and an operator can conveniently adjust the lifting structure adaptively according to the fact working condition.
Drawings
FIG. 1 is a schematic view of a state of a crane for hoisting a wall bushing in the prior art;
fig. 2 is a schematic structural diagram of an embodiment 1 of a wall bushing hoisting balance tool in the present invention;
FIG. 3 is a schematic cross-sectional view of an embodiment 1 of a wall bushing hoisting balance tool according to the present invention;
FIG. 4 is a use state diagram of an embodiment 1 of a wall bushing hoisting balance tool according to the present invention;
FIG. 5 is a schematic diagram of the principle of calculating the amount of center of gravity of an embodiment 1 of the present invention;
Reference numerals illustrate:
1. A joint; 2. a sleeve flange; 3. a counterweight; 4. a counterweight mounting seat; 5. a left vertical seat; 6. a right vertical seat; 7. a middle reinforcing plate; 8. a cross beam; 9. reinforcing the diagonal ribs; 10. a first cross beam; 11. a second cross beam; 12. a first reinforcing diagonal; 13. second reinforcing diagonal ribs; 14. a bolt passing hole; 15. bolt avoiding holes; 16. the connecting piece dodges the hole; 17. a screw; 18. positioning a nut; 19. a lock nut; 20. a sling; 21. a stop block; 22. and (5) a crane.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of a process or method comprising the element.
In the description of the present invention, the terms "mounted," "connected," "coupled," and "connected," as may be used broadly, and may be connected, for example, fixedly, detachably, or integrally, unless otherwise specifically defined and limited; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art in specific cases.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the term "provided" may be interpreted broadly, and for example, an object "provided" may be a part of a body, may be separately disposed from the body, and may be connected to the body, where the connection may be a detachable connection or an undetachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art in specific cases.
The present invention is described in further detail below with reference to examples.
In the embodiment 1 of the wall bushing hoisting balance tool provided by the invention, the structure and the usage of the wall bushing hoisting balance tool provided by the invention are described by taking the example that the wall bushing to be hoisted is installed in a posture with an included angle of 10-15 degrees with the horizontal direction, the length extending direction of the wall bushing is left and right, and the left end of the wall bushing is used for extending into a corresponding valve hall:
As shown in fig. 2, the wall bushing hoisting balance fixture comprises a counterweight 3 and a counterweight mounting seat 4, wherein the counterweight 3 is specifically a counterweight plate, the left end of the counterweight mounting seat 4 is provided with a bushing mounting structure for mounting the wall bushing hoisting balance fixture at the right end of the wall bushing to be hoisted, the left end of the wall bushing hoisting balance fixture is provided with a counterweight mounting position, and the counterweight 3 is arranged at the counterweight mounting position.
Regarding the concrete structure of the counterweight mounting seat 4, as shown in fig. 2, the counterweight mounting seat 4 is specifically a frame-type structure including a left standing seat 5, a right standing seat 6, a middle reinforcing plate 7, and a cross beam 8 having a length extending in the left-right direction connected between the left standing seat 5 and the right standing seat 6, so that the counterweight mounting seat 4 has a length extending in the left-right direction. The number of the cross beams 8 is more than two, and the cross beams are distributed in a circumferential array to form a cross beam array, in this embodiment, the number of the cross beams 8 is specifically six, and the six cross beams are distributed at six corners of the regular hexagon, and in other embodiments, the number of the cross beams 8 may be less than six or greater than six.
The left and right ends of each beam 8 are provided with threads, thread sections are formed at the two ends, the tail ends of the thread sections are of step structures, corresponding mounting holes for the thread sections of the beams 8 to penetrate are formed in the left vertical seat 5 and the right vertical seat 6, during assembly, the thread sections of the beams 8 penetrate into the mounting holes of the left vertical seat 5 and the right vertical seat 6, the mounting positions of the left vertical seat 5 and the right vertical seat 6 on the beams 8 are determined through the stop fit of the step structures with the left vertical seat 5 and the right vertical seat 6, nuts are screwed on the parts of the thread sections extending out of the left vertical seat 5 and the right vertical seat 6, so that the fixed assembly of the beams 8 and the left vertical seat 5 and the right vertical seat 6 is realized, and in the embodiment, the nuts and the thread sections of the beams 8 are welded after the screwing of the nuts is completed.
In this embodiment, the counterweight mounting seat 4 further includes reinforcing diagonal ribs 9, specifically, two beams 8 arranged relatively along the diameter direction of the circle where the two beams 8 are located in the six beams 8 arranged in a circumferential array form a beam group, two reinforcing diagonal ribs 9 are disposed corresponding to each beam group, and the two reinforcing diagonal ribs 9 are arranged in an "X" shape between the two corresponding beams 8. Specifically, as shown in fig. 3, taking a beam group formed by a first beam 10 and a second beam 11 which are oppositely arranged as an example, a first reinforcing diagonal rib 12 and a second reinforcing diagonal rib 13 are arranged corresponding to the beam group, the left end of the first reinforcing diagonal rib 12 is connected at the position of the left stand 5, which is connected with the first beam 10, the right end of the first reinforcing diagonal rib 12 is connected at the position of the right stand 6, which is connected with the second beam 11, the connection mode is welding, likewise, the left end of the second reinforcing diagonal rib 13 is connected at the position of the left stand 5, which is connected with the second beam 11, and the right end of the second reinforcing diagonal rib 13 is connected at the position of the right stand 6, which is connected with the first beam 10. This arrangement requires an even number of cross beams 8, and thus in other embodiments the number of cross beams may be two, four, eight, ten or even more. So arrange reinforcing diagonal bar 9 makes all reinforcing diagonal bar 9 middle parts concentrate, on this basis, sets up middle reinforcing plate 7 at the middle part of crossbeam battle array left and right directions, like this, the through hole size that is used for dodging reinforcing diagonal bar 9 that is offered at middle reinforcing plate 7 middle part can be as little as possible, so can ensure that middle reinforcing plate 7 has better structure reinforcing effect.
In this embodiment, considering that the flange at the right end of the wall bushing to be lifted is provided with the equalizing ring mounting hole for mounting the equalizing ring, and the equalizing ring can be detached in the lifting process of the wall bushing, the sleeve mounting structure is set to be a bolt passing hole 14 on the left riser corresponding to the equalizing ring mounting hole on the flange at the right end of the wall bushing to be lifted, besides, the left riser 5 is further provided with a bolt avoiding hole 15 to avoid the flange mounting bolt at the right end of the wall bushing to be lifted, and besides, the left riser 5 is also provided with a connecting piece avoiding hole 16 to avoid the joint at the right end of the wall bushing to be lifted. In other embodiments, the sleeve mounting structure may also be a stud fixed on the left stand corresponding to a mounting hole of the equalizing ring on the right flange of the wall bushing to be hoisted.
During installation, the bolts are aligned with the hole structures for installing the equalizing ring on the right end flange of the wall bushing to be hoisted through the holes 14, and then the installation of the wall bushing hoisting balance tool on the wall bushing to be hoisted is realized through penetrating the bolt and nut assemblies. As shown in fig. 4, the wall bushing hoisting balance fixture is mounted on the wall bushing to be hoisted, and the integral center of gravity formed by the wall bushing hoisting balance fixture and the wall bushing to be hoisted moves rightwards relative to the center of gravity of the wall bushing to be hoisted, so that the lifting hook position of the crane can also move rightwards, and the situation that the crane contacts with the wall 23 of the valve hall and the sleeve flange 2 does not reach the mounting position yet in the hoisting process is avoided.
As shown in fig. 5, g1×x= (L-X) ×g2, where G1 is the weight of the wall bushing to be lifted, G2 is the weight of the wall bushing lifting balance tool, L is the horizontal distance between the center of gravity of the wall bushing lifting balance tool and the center of gravity of the whole of the wall bushing lifting balance tool and the wall bushing to be lifted, and the position of the center of gravity of the whole of the wall bushing lifting balance tool and the center of gravity of the whole of the wall bushing to be lifted can be determined by calculation, and then whether a valve hall wall is touched in the lifting process is inferred. G' is the integral weight of the wall bushing hoisting balance tool and the wall bushing to be hoisted.
In this embodiment, the counter weight installation position is located the right side of right upright 6, be provided with counter weight mounting structure at counter weight installation position, specifically, counter weight mounting structure is including fixing on right upright 6 and the screw rod 17 that stretches to the right, correspond, have on the counter weight piece be used for wearing the cooperation hole that fits with screw rod 17, counter weight mounting structure still includes positioning nut 18 and lock nut 19 that set up on every screw rod 17, positioning nut 18 sets up in the left side of counter weight 3 for the position is spacing about counter weight 3, lock nut 19 sets up on the right side of counter weight 3, be used for compressing tightly counter weight 3 on positioning nut 18, realize counter weight 3 at the detachable of counter weight installation position department and reliable and stable installation. In this embodiment, the number of the weights 3 is plural, and the weights 3 are installed in a detachable manner based on the weight installation structure, so that the weights can be increased or decreased according to the actual hoisting condition. In addition, the screw 17 can be used as a guide rail extending laterally so that the position of the counterweight 3 can be adjusted in the lateral direction, specifically, the position of the positioning nut 18 can be adjusted to adjust the lateral position of the counterweight 3, and the positioning nut 18 and the lock nut 19 cooperate as a locking structure to lock the position of the counterweight 3.
In the embodiment, as shown in fig. 4, the hanging point of the sleeve flange 2 far from the wall bushing is selected at the middle part of the counterweight mounting seat 4 of the wall bushing hoisting balance tool in the left-right direction, compared with the hanging point selected at the joint of the wall bushing hoisting balance tool and the wall bushing, the invention can effectively avoid that the bolt at the upper part of the left stand 5 is subjected to larger shearing force and tensile force due to the free overhanging state of the wall bushing hoisting balance tool; compared with the method that the lifting point far away from the sleeve flange 2 is selected at the right end of the wall bushing lifting balance tool, the method can effectively avoid the situation that the bolt at the lower part of the left stand 5 is subjected to larger shearing force and larger stretching force; compared with the selection tool at the joint of the wall bushing hoisting balance tool and the wall bushing and the right end of the wall bushing hoisting balance tool, the convenience of connection of the sling 20 on the wall bushing hoisting balance tool can be improved. According to the invention, through calculating and reasonably selecting the proper position of the stress point in the middle of the wall bushing hoisting balance tool, the two component forces of the sling 20 bear the component force of the weight of the wall bushing on one hand, and bear the component force of the weight of the wall bushing hoisting balance tool on the other hand. The bolt at the joint of the wall bushing and the wall bushing hoisting balance tool has small tensile force, can perfectly finish the force dispersion effect, and ensures the hoisting safety and reliability.
Further, in order to prevent the hanging point position from changing due to the sliding support of the hanging lock, a stop structure is arranged on the corresponding cross beam 8, in this embodiment, as shown in fig. 3, the stop structure is a stop block 21 sleeved on the corresponding cross beam 8, the stop block 21 can slide left and right along the cross beam, a jackscrew is arranged on the stop block 21, the stop block 21 is tightly propped against the cross beam 8 through screwing the jackscrew, and the stop block is used for stopping a sling at the left side by fixing the stop block at the corresponding position, so that the sling is prevented from slipping. The position of the stop block is adjustable, and the adjustment can be adaptively carried out according to the selection of an actual lifting point. In other embodiments, threads may be machined into the middle of the beam to form threaded segments, and nuts may be threaded onto the threaded segments to act as stops. Of course, the stop member may be welded to the cross member as the stop structure regardless of the position of the stop structure being adjustable.
The specific embodiment 2 of the wall bushing hoisting balance tool provided by the invention is mainly different from the embodiment 1 in that: in embodiment 1, the counterweight is detachably mounted at the counterweight mounting position by a detachable mounting structure, and in this embodiment, the counterweight is directly fixed at the counterweight mounting position of the counterweight mounting seat by welding.
The specific embodiment 3 of the wall bushing hoisting balance tool provided by the invention is mainly different from the embodiment 1 in that: in embodiment 1, the counterweight mounting structure is a mounting structure capable of realizing the left and right position adjustment of the counterweight, in this embodiment, the counterweight is mounted on the counterweight mounting seat through a removable mounting structure with non-adjustable position, specifically, only the locking nut is arranged on the screw, and of course, the counterweight mounting structure can be a counterweight mounting box arranged at the counterweight mounting position, and the counterweight is directly locked in the counterweight mounting box to realize the removable mounting of the counterweight at the counterweight mounting position.
The specific embodiment 4 of the wall bushing hoisting balance tool provided by the invention is mainly different from the embodiment 1 in that: in embodiment 1, the counter weight mounting structure comprises nut, screw rod, and in this embodiment, the cage slide rail that stretches to the right is fixed on right upright seat right side, and the counter weight setting is in cage slide rail to processing out on its global structure with slide rail complex, make the counter weight can follow the slide rail and control the position adjustment, processing out the fixed orifices in the direction about perpendicular to on the counter weight simultaneously, installation jackscrew is as locking structure and slide rail cooperation in the fixed orifices, in order to carry out the position locking with the counter weight in suitable position.
The specific embodiment 5 of the wall bushing hoisting balance tool provided by the invention is mainly different from the embodiment 1 in that: in embodiment 1, the adjustment of counter weight mounted position is stepless regulation, in this embodiment, the guide rail is the guide arm that stretches out right, locking structure is the baffle ring group that sets up on the guide arm, baffle ring group distributes in the left and right sides of counter weight for carry out spacing fixed to the position of counter weight, there are a plurality of pinholes along left and right directions interval distribution on the guide arm, correspond, also offered the pinhole on the baffle ring, realize the fixed to the monocyclic position through the pinhole interpolation dress backing pin on baffle ring and guide arm, and realize the step regulation of counter weight position through the pinhole cooperation with the difference on the guide arm.
The specific embodiment 6 of the wall bushing hoisting balance tool provided by the invention is mainly different from the embodiment 1 in that: in embodiment 1, the counterweight mounting seat has a frame structure, in this embodiment, the counterweight mounting seat has a non-frame structure, and specifically, a column is directly connected between the left stand and the right stand. The upright post can be provided with a corresponding stop structure for stopping the sling of the hoisting wall bushing from sliding leftwards.
The specific embodiment 7 of the wall bushing hoisting balance tool provided by the invention is mainly different from the embodiment 1 in that: in this embodiment, the reinforcing ribs are arranged independently of the cross beam.
The specific embodiment 8 of the wall bushing hoisting balance tool provided by the invention is mainly different from the embodiment 1 in that: in this embodiment, set up the connection structure who is used for supplying the hoist cable to connect on the crossbeam of counter weight mount pad, connection structure can be for hanging hook, rings etc. connection structure can fix on the crossbeam also can be for the position adjustable along the crossbeam.
The specific embodiment 9 of the wall bushing hoisting balance tool provided by the invention is mainly different from the embodiment 1 in that: in this embodiment, the sleeve mounting structure is the structure corresponding to the equalizing ring mounting hole on the wall bushing right-hand member flange of waiting to hoist, will wait to hoist and mount the structure on the wall bushing and utilize for the structure of wall bushing hoist and mount balanced frock is as simple as possible, and in this embodiment, the sleeve mounting structure is for can realizing the wall bushing hoist and mount balanced frock any mounting structure of installing on the wall bushing of waiting to hoist, like at the sleeve mounting structure for setting up the staple bolt that is used for holding the wall bushing outer peripheral face in the wall bushing hoist and mount balanced frock left end.
It should be noted that the above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, but may be modified without inventive effort or equivalent substitution of some technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Wall bushing hoist and mount balanced frock, characterized by includes:
a counterweight (3);
The counterweight installation seat (4) defines the length extending direction of the wall bushing to be hoisted as the left-right direction, the counterweight installation seat (4) has the length extending along the left-right direction, the left side of the counterweight installation seat (4) is provided with a bushing installation structure which is used for being matched with the end part of the wall bushing to realize the installation of the wall bushing hoisting balance tool at the end part of the wall bushing, the right end of the wall bushing hoisting balance tool is provided with a counterweight installation position, and the counterweight (3) is arranged at the counterweight installation position;
The counterweight installation seat (4) is of a frame type structure, a plurality of cross beams (8) extending along the left-right direction are arranged in an array mode to form a cross beam array, the left end of the cross beam array is fixed to the left upright seat (5), the right end of the cross beam array is fixed to the right upright seat (6), the sleeve installation structure is arranged on the left upright seat (5) and is an installation structure matched with the equalizing ring installation structure at the end of the wall bushing, the counterweight installation position is located on the right side of the right upright seat (6), the counterweight installation seat (4) further comprises reinforcing diagonal ribs (9) located in the cross beam array, the reinforcing diagonal ribs (9) are obliquely connected between the left upright seat (5) and the right upright seat (6) in a right-left direction with an included angle, the number of the cross beams (8) is even number, two cross beams (8) which are oppositely arranged form a cross beam group, at least two reinforcing diagonal ribs (9) are arranged corresponding to each cross beam group, and the two counter weights (8) of the at least two reinforcing diagonal ribs (9) are arranged in an X-shaped mode between the two cross beams (8) of the cross beam group, and the counter weights can be installed in a detachable mode or the counter weight installation position can be directly arranged at the place.
2. The wall bushing hoisting balance tool according to claim 1, wherein a plurality of weights (3) are provided, a weight mounting structure for detachably mounting the weights (3) at the weight mounting position is arranged at the weight mounting position, and the plurality of weights (3) are mounted on the weight mounting seat (4) through the weight mounting structure.
3. The wall bushing hoisting balance fixture according to claim 2, wherein the counterweight mounting structure comprises a guide rail extending leftwards and rightwards, the counterweight (3) is mounted on the guide rail in a guiding fit with the guide rail, and the counterweight mounting structure further comprises a locking structure for locking the counterweight (3) at any position on the guide rail.
4. A wall bushing hoisting balance tool according to claim 3, characterized in that the guide rail is a screw (17), the locking structure comprises a positioning nut (18) and a locking nut (19) which are screwed on the screw (17), the positioning nut (18) is positioned on the left side of the counterweight (3), and the locking nut (19) is positioned on the right side of the counterweight (3).
5. The wall bushing hoisting balance tool according to claim 1, wherein the counterweight mounting seat (4) further comprises a reinforcing plate arranged in the middle of the beam array in the left-right direction, and a through hole for each reinforcing inclined rib (9) to pass through is formed in the middle of the reinforcing plate.
6. The wall bushing hoisting balance tool according to any one of claims 1-5, wherein the counterweight mounting seat (4) is provided with a stopping structure for stopping a sling (20) for hoisting the wall bushing from sliding leftwards; or the counterweight mounting seat (4) is provided with a connecting structure for connecting a sling (20) for hoisting the wall bushing.
7. The wall bushing hoisting balance tool according to claim 1 or 5, wherein the cross beam (8) is provided with a stop structure for stopping a sling (20) for hoisting the wall bushing from sliding leftwards, and the stop structure is assembled on the cross beam (8) and has an adjustable position on the cross beam (8); or the cross beam (8) is provided with a connecting structure for connecting a sling (20) for hoisting the wall bushing, and the connecting structure is assembled on the cross beam (8) and the position on the cross beam (8) is adjustable.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111145452.5A CN113998605B (en) | 2021-09-28 | 2021-09-28 | Wall bushing hoisting balance tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111145452.5A CN113998605B (en) | 2021-09-28 | 2021-09-28 | Wall bushing hoisting balance tool |
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| CN113998605A CN113998605A (en) | 2022-02-01 |
| CN113998605B true CN113998605B (en) | 2024-05-24 |
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| CN213062375U (en) * | 2020-07-31 | 2021-04-27 | 江苏山宝集团有限公司 | Steel truss structure convenient to transport |
| CN216662188U (en) * | 2021-09-28 | 2022-06-03 | 河南平高电气股份有限公司 | Wall bushing hoisting balance tool |
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2021
- 2021-09-28 CN CN202111145452.5A patent/CN113998605B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0761774A (en) * | 1993-08-27 | 1995-03-07 | Fujita Corp | Method for taking in carried-in goods by crane |
| JPH09290991A (en) * | 1996-04-26 | 1997-11-11 | Asanumagumi:Kk | Weight suspending device |
| CN106809720A (en) * | 2017-02-10 | 2017-06-09 | 平高集团有限公司 | A kind of potting breaker arc-chutes hoisting fixture |
| CN110092296A (en) * | 2018-01-31 | 2019-08-06 | 上海二十冶建设有限公司 | Suspender and its application method for furnace roller lifting |
| CN213062375U (en) * | 2020-07-31 | 2021-04-27 | 江苏山宝集团有限公司 | Steel truss structure convenient to transport |
| CN216662188U (en) * | 2021-09-28 | 2022-06-03 | 河南平高电气股份有限公司 | Wall bushing hoisting balance tool |
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|---|---|
| CN113998605A (en) | 2022-02-01 |
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