CN216662188U - Wall bushing hoisting balance tool - Google Patents

Abstract

The utility model relates to a hoisting balance tool for a wall-penetrating casing, which comprises a counterweight and a counterweight mounting seat, and has a casing-installing structure for cooperating with the end of the wall-penetrating casing to realize the hoisting balance of the wall-penetrating casing The tooling is installed at the end of the wall bushing, and also has a counterweight installation position. The counterweight is arranged at the counterweight installation position. The wall bushing is hoisted and the balance tool is installed on the wall to be hoisted through the bushing installation structure. The end of the casing is used to extend out of the valve hall, so that the center of gravity of the whole composed of it is offset relative to the center of gravity of the wall-penetrating casing itself, so that the hook and the casing flange of the wall-penetrating casing are in the horizontal direction. There is a larger distance on the wall to ensure that the casing flange reaches the installation position before the hoisting equipment contacts the valve hall wall, so as to realize the installation of the through-wall casing on the valve hall wall.

Description

Wall bushing lifting balance tooling

technical field

The utility model relates to a balance tool for hoisting through a wall casing.

Background technique

In the DC transmission system, it is necessary to use the wall bushing to realize the connection between the DC field equipment of the converter station and the valve hall, which plays the role of wall insulation and current carrying. The inside of the through-wall casing is filled with SF ₆ gas, one end is connected to the DC equipment outside the valve hall, and the other end is connected to the converter tower in the valve hall.

In terms of specific structure, as shown in FIG. 1 , there are conductive elements (central conductors, electrical connections, etc.) and connectors 1 at the ends inside the wall bushing, which are used to realize the transmission of electricity. In order to realize the installation of the through-wall casing on the valve hall wall, a casing flange 2 is arranged in the middle of the wall casing. The casing flange 2 is used to cooperate with the casing installation flange on the valve hall wall to realize Installation of the wall bushing on the valve hall wall. In addition, pressure equalizing rings are arranged at both ends of the wall bushing to equalize the surface field strength of the high pressure part of the bushing. Specifically, the pressure equalizing ring is installed on the flange at the end of the wall bushing. In terms of manufacturing method, the assembly of the wall bushing requires high environmental cleanliness. Therefore, the wall bushing needs to be assembled in the workshop and transported to the installation site as a whole for installation. The size and weight of the wall bushing The length of some wall bushings can reach about 25 meters and the weight can reach 10 tons, and the installation position of the wall bushings on the wall of the valve hall is relatively high. wall casing.

As shown in Figure 1, the part of the wall bushing located on the left side of the bushing flange 2 should extend into the valve hall. Therefore, when hoisting, it can only be installed at the casing flange of the wall bushing and the right side section. Select the hoisting point, and the center of gravity of the wall bushing is close to the bushing flange 2. During hoisting, the crane hook 3 is aligned with the center of gravity of the wall bushing, so that the wall bushing enters the desired attitude. In the casing installation window opened on the wall of the valve hall, that is, the through-wall casing enters the installation window with the axis coincident with the axis of the flange in the installation window, so the actual hoisting often occurs that the crane as shown in Figure 1 has reached the top In the valve hall wall, the through-wall sleeve flange 2 is still far away from the sleeve installation flange on the valve hall wall. In addition, the wall through-wall sleeve is heavy and cannot be pushed manually, so the installation operation cannot be carried out.

Utility model content

The purpose of the utility model is to provide a hoisting balance tool for the wall bushing, so as to solve the problem of the interference between the crane and the valve hall wall in the prior art due to the fact that the center of gravity of the wall bushing is close to the flange of the bushing. Technical problems that cannot be carried out.

In order to achieve the above purpose, the technical scheme of the wall bushing hoisting and balancing tooling provided by the present utility model is:

A wall bushing hoisting balance tool includes a counterweight and a counterweight mounting seat, and has a bushing installation structure for cooperating with the end of the wall bushing, so that the wall bushing hoisting balance tool can be installed in the wall bushing. The installation of the end of the sleeve also has a counterweight installation position, and the counterweight is arranged at the counterweight installation position.

The beneficial effect is that the hoisting balance tooling of the wall-penetrating casing is installed on the end of the wall-penetrating casing to be hoisted, which is used to extend out of the valve hall, through the casing installation structure, and the end is weighted, so that the penetration of the wall-penetrating casing is increased. The center of gravity of the wall bushing hoisting balance tooling is offset relative to the center of gravity of the wall bushing itself, so that when the wall bushing is hoisted, the hook and the bushing flange of the wall bushing can be in the horizontal direction. It has a larger distance to ensure that the casing flange reaches the installation position before the hoisting equipment contacts the valve hall wall, so as to realize the installation of the through-wall casing on the valve hall wall.

As a further improvement, there are multiple counterweights, and the counterweight installation position has a counterweight installation structure for realizing detachable installation of the counterweight at the counterweight installation position, and the plurality of counterweights are installed on the counterweight through the counterweight installation structure. Reinstall the seat.

The beneficial effects are: the counterweight can be adaptively increased or decreased according to the actual weight of the wall bushing and the installation conditions, and the versatility of the hoisting balance tooling of the wall bushing is improved.

As a further improvement, the length extension direction of the wall bushing to be hoisted is defined as the left and right direction, the counterweight installation structure includes guide rails extending left and right, the counterweight is installed on the guide rail in a guiding fit with the guide rail, and the counterweight installation structure includes guide rails extending left and right. The heavy mounting structure also includes a locking structure for locking the counterweight at any position on the rail.

The beneficial effects are: while increasing or decreasing the counterweight to improve the versatility of the hoisting and balancing tooling for the wall bushing, by changing the position of the counterweight in the left and right directions, the two-level adjustment of the overall center of gravity is realized, and the hoisting of the wall bushing is further improved. Balance tooling versatility with ease of adjustment.

As a further improvement, the guide rail is a screw rod, the locking structure includes a positioning nut and a locking nut screwed on the screw rod, the positioning nut is located on the left side of the counterweight, and the locking nut is located on the right side of the counterweight.

The beneficial effects are: adopting a screw rod and a nut assembly, the stepless adjustment of the counterweight in the left and right directions is realized, and the adjustment operation is extremely convenient.

As a further improvement, the length extension direction of the wall bushing to be hoisted is defined as the left-right direction, and the counterweight mounting base is a frame-type structure, including a plurality of beams whose lengths extend along the left-right direction, and the plurality of beams are arranged in an array. A beam array is formed, the left end of the beam array is fixed with the left stand, and the right end is fixed with the right stand. structure, the counterweight installation position is located on the right side of the right stand.

The beneficial effects are: the counterweight mounting seat adopts a frame-type structure, and the casing installation structure is an installation structure adapted to the pressure equalizing ring mounting structure at the end of the wall-penetrating bushing, so that the counterweight mounting seat has the simplest structure possible, Make the center of gravity of the wall bushing hoisting balance device as close to the counterweight installation position as possible.

As a further improvement, the counterweight mounting base further includes a reinforcing diagonal rib located in the beam array, and the reinforcing diagonal rib is connected obliquely between the left vertical base and the right vertical base with an included angle to the left and right.

The beneficial effects are that the reinforcing diagonal bars are arranged to further improve the structural strength of the frame type counterweight mounting seat.

As a further improvement, the number of the beams is an even number, and two beams arranged opposite to each other form a beam group, and at least two reinforcing diagonal bars are arranged corresponding to each beam group, and the at least two reinforcing diagonal bars are located between the two beams of the beam group. The rooms are arranged in an "X" shape.

The beneficial effects are: the reinforcing diagonal bars, any beam in the corresponding beam group and the corresponding vertical seat form a triangular structure, and the stability of the triangle is used to ensure that the counterweight mounting seat has reliable structural strength.

As a further improvement, the counterweight mounting base further includes a reinforcing plate disposed in the middle of the beam array in the left-right direction, and the middle of the reinforcing plate has a through hole for each reinforcing diagonal bar to pass through.

The beneficial effect is: all the reinforcing diagonal bars meet in the middle of the left and right directions of the counterweight mounting seat, the reinforcing diagonal bar group has the smallest size here, the reinforcing plate is arranged here and its passage hole can be opened the smallest, naturally, the reinforcement The board can have as much surface as possible, so that the reinforcement board has the maximum reinforcement effect.

As a further improvement, the beam is provided with a blocking structure for preventing the sling for hoisting the wall bushing from sliding to the left; or, the beam has a connection for connecting the sling for hoisting the wall bushing. structure.

The beneficial effects are: setting a stop structure or a connecting structure, positioning the sling on the counterweight mounting seat, ensuring that the casing installation structure has the best stress state, and avoiding local excessive stress on the casing installation structure.

As a further improvement, the blocking structure is mounted on the beam, and its position on the beam is adjustable; or, the connecting structure is mounted on the beam, and the position on the beam is adjustable.

The beneficial effects are: the left and right positions of the blocking structure and the connecting structure can be adjusted, so that the position of the lifting point can be flexibly adjusted, and it is convenient for the operator to adjust the hoisting structure adaptively according to the actual working conditions.

Description of drawings

Fig. 1 is the state schematic diagram when adopting the crane to hoist the wall bushing in the prior art;

2 is a schematic structural diagram of Embodiment 1 of the wall bushing hoisting balance tooling in the utility model;

3 is a cross-sectional structural schematic diagram of Embodiment 1 of the wall bushing hoisting balance tooling in the utility model;

Fig. 4 is the use state diagram of embodiment 1 of the wall bushing hoisting balance tool in the utility model;

FIG. 5 is a schematic diagram of the calculation principle of the center of gravity movement amount of the utility model using the wall bushing hoisting and balancing tooling embodiment 1;

Description of reference numbers:

1. Joint; 2. Sleeve flange; 3. Counterweight; 4. Counterweight mounting seat; 5. Left vertical seat; 6. Right vertical seat; 7. Middle reinforcing plate; 8. Beam; 9. Reinforcing diagonal bars ; 10, the first beam; 11, the second beam; 12, the first reinforcing diagonal rib; 13, the second reinforcing diagonal rib; 14, the bolt through hole; 15, the bolt avoidance hole; 16, the connector avoidance hole; 17, Screw; 18. Positioning nut; 19. Locking nut; 20. Sling; 21. Block; 22. Crane.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clear, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention, that is, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present invention.

It should be noted that relational terms such as "first" and "second" that may appear are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these There is no actual relationship or order between entities or operations. Furthermore, terms such as "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or apparatus that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element defined by the phrase "includes a..." etc. does not exclude a process, method, that includes the element.

In the description of the present utility model, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" that may appear should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication between the two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

In the description of the present utility model, it should be noted that, unless otherwise expressly specified and limited, the term "provided" that may appear should be understood in a broad sense. It may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

The present utility model will be further described in detail below in conjunction with the embodiments.

The specific embodiment 1 of the wall-penetrating sleeve hoisting and balancing tool provided by the present invention The length extension direction of the pipe is the left and right direction, and the left end is used to extend into the corresponding valve hall.

As shown in FIG. 2 , the wall bushing hoisting balance tool includes a counterweight 3 and a counterweight mounting seat 4 , wherein the counterweight 3 is specifically a counterweight sheet, and the left end of the counterweight mounting seat 4 has The hoisting balance tool is installed on the casing installation structure at the right end of the wall-passing casing to be hoisted, the left end has a counterweight installation position, and the counterweight 3 is arranged at the counterweight installation position.

Regarding the specific 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 upright seat 5, a right upright seat 6, a middle reinforcing plate 7, and also includes a connection on the left upright seat. 5 and the right vertical base 6, the length of the beam 8 extending in the left-right direction, so that the counterweight mounting base 4 has a length extending in the left-right direction. There are more than two beams 8, which are distributed in a circular array to form a beam array. In this embodiment, the number of beams 8 is specifically six, and the six beams are distributed at six corners of the regular hexagon. In other embodiments, the number of beams 8 may be less than six or greater than six.

The left and right ends of each beam 8 are machined with threads and threaded sections are formed at both ends. The ends of the threaded sections are stepped structures. Correspondingly, the left and right vertical seats 5 and 6 are processed with threaded sections for the beams 8 to pass through. When assembling, pass the threaded section of the beam 8 into the installation holes of the left vertical seat 5 and the right vertical seat 6, and stop and cooperate with the left vertical seat 5 and the right vertical seat 6 through the stepped structure to determine the left The installation position of the vertical seat 5 and the right vertical seat 6 on the beam 8, and then screw the nut on the part where the threaded section extends out of the left vertical seat 5 and the right vertical seat 6 to realize the cross beam 8 and the left vertical seat 5 and the right vertical seat. 6. In this embodiment, in order to ensure the reliability of fixing the beam 8 to the left stand 5 and the right stand 6, after the nut is tightened, the nut and the threaded section of the beam 8 are welded.

In this embodiment, the counterweight mounting base 4 also includes reinforcing diagonal bars 9. Specifically, among the six beams 8 arranged in a circular array, two beams 8 arranged opposite to each other along the diameter direction of the circle form a beam group, corresponding to Each beam group is provided with two reinforcing diagonal bars 9 , and the two reinforcing diagonal bars 9 are arranged in an "X" shape between the corresponding two cross beams 8 . Specifically, as shown in FIG. 3 , taking the cross beam group composed of the first cross beam 10 and the second cross beam 11 arranged oppositely as an example, the cross beam group is provided with a first reinforcing diagonal rib 12 and a second reinforcing diagonal rib 13 . The left end of a reinforcing oblique rib 12 is connected to the position where the left stand 5 is connected to the first beam 10, and the right end is connected to the position where the right stand 6 is connected to the second cross beam 11, and the connection method is welding; The left end of the diagonal rib 13 is connected to the position where the left stand 5 is connected to the second beam 11 , and the right end is connected to the position where the right stand 6 is connected to the first cross beam 10 . In this arrangement, the number of beams 8 is required to be an even number. Therefore, in other embodiments, the number of beams may be two, four, eight, ten or even more. The reinforcing diagonal bars 9 are arranged in this way so that all the reinforcing diagonal bars 9 are concentrated in the middle. On this basis, the middle reinforcing plate 7 is arranged in the middle of the left and right direction of the beam array. The size of the through hole can be reduced as much as possible, so as to ensure that the middle reinforcing plate 7 has a better structural strengthening effect.

In this embodiment, considering that the flange at the right end of the wall bushing to be hoisted has a pressure equalizing ring mounting hole for installing the pressure equalizing ring, and the pressure equalizing ring can be disassembled during the hoisting process of the wall bushing dropped. Therefore, in this embodiment, the casing installation structure is set as the bolt passing hole 14 opened on the left vertical plate and corresponding to the pressure equalizing ring installation hole on the right end flange of the wall-penetrating casing to be hoisted. The left stand 5 is also provided with a bolt avoidance hole 15 to avoid the flange mounting bolts on the right end of the wall bushing to be hoisted. In addition, the left stand 5 is also provided with a connector avoidance hole 16 to avoid the need to be hoisted. the connector on the right end of the wall bushing. In other embodiments, the bushing installation structure may also be a stud fixed on the left stand and corresponding to the mounting hole of the pressure equalizing ring on the right end flange of the wall-passing bushing to be hoisted.

During installation, align the bolt through hole 14 with the hole structure for installing the pressure equalizing ring on the right end flange of the wall bushing to be hoisted, and then pierce the bolt and nut assembly to achieve the wall bushing hoisting balance tool in the waiting state. Installation on ceiling mounted wall bushings. As shown in Figure 4, install the wall bushing hoisting balance tool on the wall bushing to be hoisted, and the center of gravity of the whole composed of the wall bushing hoisting balance tool and the wall bushing to be hoisted is relative to the The center of gravity of the wall bushing moves to the right, so that the hook position of the crane can also move to the right, avoiding the situation that the crane contacts the wall 23 of the valve hall and the flange 2 of the bushing has not yet reached the installation position during the hoisting process.

The calculation method of the offset X of the center of gravity of the whole composed of the wall bushing hoisting balance tool and the wall bushing to be hoisted relative to the center of gravity of the wall bushing, as shown in Figure 5, G1×X=(L-X) ×G2, where G1 is the weight of the wall bushing to be hoisted, G2 is the weight of the wall bushing hoisting balance tool, L is the center of gravity of the wall bushing hoisting balance tool and the wall bushing hoisting balance tool and to-be-hoisted The horizontal distance of the center of gravity of the whole composed of the wall bushing can be determined by calculation. Hit the valve hall wall. G’ is the overall weight of the wall bushing hoisting balance tool and the wall bushing to be hoisted.

In this embodiment, the counterweight installation position is located on the right side of the right upright base 6, and a counterweight installation structure is provided at the counterweight installation position. Specifically, the counterweight installation structure includes a counterweight installation structure fixed on the right upright base 6 and extending to the right Correspondingly, the counterweight plate has a matching hole for fitting with the screw rod 17, and the counterweight installation structure also includes a positioning nut 18 and a locking nut 19 arranged on each screw rod 17, and the positioning nut 18 is provided with On the left side of the counterweight 3, it is used to limit the left and right positions of the counterweight 3, and the lock nut 19 is arranged on the right side of the counterweight 3, and is used to press the counterweight 3 on the positioning nut 18 to realize the counterweight 3. The weight 3 is detachable and stable and reliable installation at the counterweight installation position. In this embodiment, there are a plurality of counterweights 3 , and since the counterweight installation structure is a detachable installation structure, according to the actual hoisting situation, the counterweight installation can be adapted to increase or decrease the counterweight 3 . In addition, the screw 17 can be used as a guide rail extending left and right, so that the position of the counterweight 3 can be adjusted in the left and right direction. Specifically, the position of the counterweight 3 can be adjusted by adjusting the position of the positioning nut 18. It cooperates with the lock nut 19 as a locking structure to lock the position of the counterweight 3 .

During specific hoisting, it is necessary to select one hoisting point near the casing flange 2 of the wall bushing, and select at least one hoisting point at a position far from the casing flange 2 of the wall bushing. In this embodiment, as shown in FIG. 4 , the hoisting point of the casing flange 2 away from the wall casing is selected to be in the middle of the left and right direction of the counterweight mounting frame 4 of the wall casing hoisting balance tool. The hoisting point is selected at the connection between the wall bushing hoisting balance tool and the wall bushing. This selection can effectively avoid the wall bushing hoisting balance tool being in a free overhang state, which will cause the bolts on the upper part of the left stand 5 to be greatly affected. Compared with the selection of the lifting point away from the casing flange 2 at the right end of the wall casing hoisting balance tool, it can effectively prevent the bolts at the lower part of the left stand 5 from being subjected to shearing force and pulling force. The elongation force is large; compared to selecting the tooling at the connection between the wall bushing hoisting balance tool and the wall bushing and the right end of the wall bushing hoisting balance tool, the sling 20 can be lifted in the wall bushing hoisting balance Ease of connection on tooling. The utility model selects the hoisting point at an appropriate position in the middle of the hoisting balance tool for the wall-penetrating casing by calculating and reasonably selecting the force-bearing point. The gravitational force of the tooling is balanced by the hoisting of the through-wall casing. The bolts at the connection between the wall bushing and the wall bushing hoisting balance tool receive less tension, which can perfectly complete the force dispersion and ensure the safety and reliability of the hoisting.

Further, in order to prevent the position of the lifting point from changing due to the hanging lock sliding bracket, a stop structure is provided on the corresponding beam 8 . In this embodiment, as shown in FIG. 3 , the stop structure is a stopper sleeved on the corresponding beam 8 . Block 21, the block 21 can slide left and right along the beam, and the top wire is provided on the block 21 at the same time, and the block 21 is fixed at the corresponding position by tightening the top wire to tighten the beam 8. stop to prevent the sling from slipping. The position of the stop is adjustable, which can be adjusted adaptively according to the selection of the actual lifting point. In other embodiments, a thread can be processed in the middle of the beam to form a thread segment, and a nut is screwed on the thread segment as a stop structure. Of course, without considering the adjustable position of the stop structure, a stopper can be welded and fixed on the beam as the stop structure.

The specific embodiment 2 of the wall bushing hoisting balance tool provided by the present invention is mainly different from the embodiment 1 in that: in the embodiment 1, the counterweight is detachably installed at the counterweight installation position through the detachable installation structure , In this embodiment, the counterweight is directly fixed at the counterweight installation position of the counterweight mounting seat by welding.

The specific embodiment 3 of the wall bushing hoisting balance tool provided by the present invention is mainly different from the embodiment 1 in that: in the embodiment 1, the counterweight installation structure is an installation structure that can realize the adjustable left and right positions of the counterweight . In this embodiment, the counterweight is mounted on the counterweight mounting seat through a detachable mounting structure whose position is not adjustable. Specifically, only the locking nut is provided on the screw rod. Of course, the counterweight mounting structure may be arranged at the counterweight mounting position. The counterweight installation box is directly locked in the counterweight installation box to realize the detachable installation of the counterweight at the counterweight installation place.

The specific embodiment 4 of the wall bushing hoisting balance tool provided by the present invention is mainly different from the embodiment 1 in that: in the embodiment 1, the counterweight installation structure is composed of a nut and a screw rod. The right side of the right stand is fixed with a cage-shaped slide rail that cantilevered to the right, and the counterweight is arranged in the cage-shaped slide rail, and a structure that cooperates with the slide rail is processed on its peripheral surface, so that the counterweight can move left and right along the slide rail. To adjust the position, at the same time, a fixing hole perpendicular to the left and right direction is machined on the counterweight, and a top wire is installed in the fixing hole as a locking structure to cooperate with the slide rail to lock the counterweight at a suitable position.

The specific embodiment 5 of the wall bushing hoisting balance tool provided by the present invention is mainly different from the embodiment 1 in that: in the embodiment 1, the adjustment of the installation position of the counterweight is stepless adjustment. In this embodiment, the guide rail is a guide rod that cantilevered to the right, and the locking structure is a blocking ring group arranged on the guide rod. The blocking ring groups are distributed on the left and right sides of the counterweight to limit the position of the counterweight. There are a plurality of pin holes on the guide rod at intervals along the left and right directions. Correspondingly, the blocking ring is also provided with pin holes. By inserting blocking pins in the pin holes on the blocking ring and the guide rod, the position of the single ring can be adjusted. The fixed position of the counterweight can be adjusted in stages by cooperating with different pin holes on the guide rod.

The specific embodiment 6 of the wall bushing hoisting balance tool provided by the present invention is mainly different from the embodiment 1 in that in the embodiment 1, the counterweight mounting seat is a frame-type structure. In this embodiment, the counterweight mounting seat is a non-frame structure, and specifically, a column is directly connected between the left vertical seat and the right vertical seat. Corresponding blocking structures for blocking the leftward sliding of the sling for hoisting the wall bushing can be arranged on the upright column.

The specific embodiment 7 of the wall casing hoisting balance tool provided by the present invention is different from the embodiment 1 mainly in that in this embodiment, the reinforcing diagonal bars are independently arranged relative to the beam.

The specific embodiment 8 of the wall bushing hoisting balance tool provided by the present invention is mainly different from the embodiment 1 in that: in this embodiment, a beam for connecting the sling is provided on the beam of the counterweight mounting seat. The connection structure can be a hook, a ring, etc. The connection structure can be fixed on the beam or can be adjusted along the beam.

The specific embodiment 9 of the wall bushing hoisting balance tool provided by the utility model is different from the first embodiment mainly in that: in this embodiment, the bushing installation structure is the right end flange of the wall bushing to be hoisted. The structure corresponding to the mounting hole of the pressure equalizing ring on the upper part utilizes the structure on the wall bushing to be hoisted, so that the structure of the wall bushing hoisting the balance tool is as simple as possible. In this embodiment, the casing installation structure is any installation structure that can realize the installation of the wall casing hoisting balance tool on the wall casing to be hoisted. For example, the casing installation structure is set on the wall casing hoisting balance tool. The hoop on the left end is used to hold the outer peripheral surface of the wall bushing.

The specific embodiment 10 of the wall bushing hoisting balance tool provided by the present invention is mainly different from the embodiment 1 in that in the embodiment 1, the counterweight mounting seat is an elongated structure extending in the left and right direction. In the example, the counterweight mount cantilever downward relative to the wall bushing to be hoisted.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will , it is still possible to make modifications to the technical solutions described in the foregoing embodiments without creative labor, or to perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a wear wall sleeve hoist and mount balanced frock, characterized by, including counter weight mount pad (4), counter weight mount pad (4) have the sleeve pipe mounting structure for with the tip cooperation of wear wall sleeve pipe, realize the installation of wear wall sleeve pipe hoist and mount balanced frock at the wear wall sleeve pipe tip, counter weight mount pad (4) still have counter weight installation position, counter weight installation position department installs counter weight (3).

2. A wall bushing hoisting balancing tool according to claim 1, characterized in that, there are a plurality of counterweights (3), the counterweight mounting position has a counterweight mounting structure for realizing the removable mounting of the counterweight (3) at the counterweight mounting position, and the counterweights (3) are mounted on the counterweight mounting base (4) through the counterweight mounting structure.

3. The wall bushing hoisting balance tool according to claim 2, wherein the length extension direction of the wall bushing to be hoisted is defined as a left-right direction, the counterweight mounting structure comprises a guide rail extending left and right, 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 balancing tool according to claim 3, characterized in that the guide rail is a screw rod (17), the locking structure comprises a positioning nut (18) and a locking nut (19) screwed on the screw rod (17), the positioning nut (18) is located on the left side of the counterweight (3), and the locking nut (19) is located on the right side of the counterweight (3).

5. The through-wall casing hoisting balance tool according to claim 1, characterized in that the length extension direction of the through-wall casing to be hoisted is defined as the left-right direction, the counterweight mounting seat (4) is of a frame type structure and comprises a plurality of cross beams (8) extending in the left-right direction, the cross beam array is formed by the arrangement of the cross beams (8), the left vertical seat (5) is fixed at the left end of the cross beam array, the right vertical seat (6) is fixed at the right end of the cross beam array, the casing mounting structure is arranged on the left vertical seat (5) and is a mounting structure matched with the equalizing ring mounting structure at the end part of the through-wall casing, and the counterweight mounting position is positioned on the right side of the right vertical seat (6).

6. The wall bushing hoisting balance tool according to claim 5, wherein the counterweight mounting seat (4) further comprises a reinforcing diagonal rib (9) positioned in the beam array, and the reinforcing diagonal rib (9) is obliquely connected between the left vertical seat (5) and the right vertical seat (6) at an included angle with the left and right directions.

7. A wall bushing hoisting balance tool according to claim 6, characterized in that the number of the cross beams (8) is even, two cross beams (8) arranged oppositely form a cross beam group, at least two reinforcing diagonal ribs (9) are arranged corresponding to each cross beam group, and the at least two reinforcing diagonal ribs (9) are arranged in an X shape between the two cross beams (8) of the cross beam group.

8. The hoisting and balancing tool for the through-wall casing according to claim 7, 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 the middle of the reinforcing plate is provided with a through hole for each reinforcing diagonal rib (9) to pass through.

9. The tool for hoisting and balancing the through-wall casing according to any one of claims 5 to 8, wherein the cross beam (8) is provided with a stopping structure for stopping a sling (20) for hoisting the through-wall casing from sliding leftwards; or the cross beam (8) is provided with a connecting structure for connecting a sling (20) for hoisting a wall bushing.

10. The through-wall casing hoisting balance tool of claim 9, wherein the stop structure is assembled on the cross beam (8) and the position on the cross beam (8) is adjustable; alternatively, the connecting structure is assembled on the cross beam (8), and the position on the cross beam (8) is adjustable.

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