Support lifting appliance

Abstract

The invention provides a support lifting appliance, and relates to the technical field of lifting appliances, the support lifting appliance comprises two lifting steel wires and at least one lifting appliance main body; the hoisting steel wire sequentially penetrates through the mounting hole and the first connecting hole; at least one fixing steel wire is arranged between the two hoisting steel wires, and two ends of the fixing steel wire are respectively connected with one hoisting steel wire. A plurality of lifting appliance main bodies can be arranged on the two lifting steel wires of the bracket lifting appliance provided by the invention, and each lifting appliance main body is used for being connected with a bracket; the positions of the lifting appliance main bodies on the lifting steel wires are fixed through the fixing steel wires, so that a plurality of lifting appliance main bodies can be kept at fixed intervals; the hoisting steel wire can be hoisted by using a crane, so that a plurality of brackets can be hoisted at the same time; after the support is welded, the lower connecting plate is separated from the support; and the crane moves the hoisting steel wire to the next mounting position, so that streamlined operation is implemented.

Description

Technical Field

[0001] The present invention relates to the technical field of lifting tools, and in particular to a bracket lifting tool. Background Art

[0002] The passive containment air guide system is one of the key equipment of the passive containment cooling system (PCS), which is used to remove the additional heat on the surface of the steel containment through air guiding under accident conditions to ensure the safety of the containment.

[0003] The air guide system is composed of air guide plates and U-shaped brackets, which are installed between the shield building and the steel containment. The U-shaped brackets are welded to the outer wall of the containment, and the air guide plates are bolted to the U-shaped brackets. The U-shaped brackets are bent from steel plates, with a large number and wide distribution, and are distributed on the 1 / 2 / 3 rings and the top head of the steel containment cylinder. Currently, the U-shaped brackets are usually formally installed after the containment is hoisted in place, and the actual construction efficiency is low. The main reasons are as follows:

[0004] (1) Slow conversion of operation points

[0005] The U-shaped brackets are evenly distributed along the circumference on the cylinder and the top head, and cannot be concentrated for operation. The frequency of changing operation points is high. When operating in the nuclear island, affected by complex terrain conditions, mechanized operation cannot be achieved. When changing operations, tools such as welding machines, grinders, and sandblasting and anti-corrosion pipelines can only be carried manually. The traffic conditions are poor, and the efficiency of converting operation points is low.

[0006] (2) Poor construction conditions

[0007] As the containment cylinder and the top head are successively installed in place, the installation position of the U-shaped brackets becomes higher and higher, and high-altitude operations of level 3 and special grade are frequent. The labor intensity of the operations is large, the construction conditions are poor, and the construction platforms need to be repeatedly erected and disassembled.

[0008] The U-shaped brackets are installed on the outer wall of the containment, and the operation position is between the containment and the SC shielding wall, which intersects with the installation construction of the shield building. There are few construction windows, and the installation construction of the U-shaped brackets is affected.

[0009] (3) Low lifting efficiency

[0010] The U-shaped brackets are large in size and their weight is close to the limit that can be carried manually. If carried manually, the labor intensity of the operation is too high, and the carrying distance is long, resulting in low construction efficiency; if lifted by a crane, the load-carrying efficiency of the crane is extremely low, and the crane needs to be occupied for a long time, which has a great impact on other constructions in the nuclear island. Summary of the Invention

[0011] The purpose of the present invention is to provide a bracket lifting tool to alleviate the technical problem of low lifting efficiency of the U-shaped brackets.

[0012] The present invention provides a bracket sling, which includes two hoisting steel wires and at least one sling body; the sling body includes a first transmission plate and two lower connecting plates. At both ends of the first transmission plate in the first direction, an installation hole is respectively arranged, and two first long holes are arranged between the two installation holes;

[0013] A first connection hole is arranged on the lower connecting plate, the first connection hole coincides with the installation hole, the lower connecting plate is used for connecting with the bracket, and the two lower connecting plates are connected to the same bracket;

[0014] The hoisting steel wire sequentially passes through the installation hole and the first connection hole, and each installation hole is penetrated by one hoisting steel wire;

[0015] At least one fixing steel wire is arranged between the two hoisting steel wires, and both ends of the fixing steel wire are respectively connected to one hoisting steel wire;

[0016] The fixing steel wire passes through one first long hole of the first transmission plate and exits from the other first long hole;

[0017] The first direction is the length direction of the first transmission plate.

[0018] In an alternative embodiment, the lower connecting plate includes a first connecting portion and a second connecting portion, and one end of the first connecting portion is connected to one end of the second connecting portion;

[0019] The first connection hole is arranged on the first connecting portion, and a second long hole is arranged on the second connecting portion; the second connecting portion is used for connecting with the bracket.

[0020] In an alternative embodiment, a connecting member for connecting with the bracket is arranged on the second connecting portion.

[0021] In an alternative embodiment, the connecting member is a bolt, the connecting member is arranged on the second long hole, and the second long hole extends along a second direction;

[0022] The second direction is the extending direction of the hoisting steel wire.

[0023] In an alternative embodiment, the first long hole and the installation hole are on the same straight line, and the first long hole extends along the first direction.

[0024] In an alternative embodiment, the hoisting steel wire and the fixing steel wire are connected by a rope clip.

[0025] In an alternative embodiment, the two connection points of the fixed wire and the hoisting wire are located on the same side of the first drive plate.

[0026] In an alternative embodiment, at least three wire clips are provided at the connection point of one end of the fixed wire and the hoisting wire.

[0027] In an alternative embodiment, the wire clip includes a U-bolt and a clamp seat; the clamp seat has two clamping holes, the U-bolt is assembled in the clamping holes of the clamp seat, and the clamp seat and the U-bolt cooperate to form a clamping area for clamping the fixed wire and the hoisting wire.

[0028] In an alternative embodiment, the diameter of the fixed wire is the same as the diameter of the hoisting wire.

[0029] Multiple sling bodies can be provided on the two hoisting wires of the bracket sling provided by the present invention, and each sling body is used to connect to the bracket; and the sling body is fixed at its position on the hoisting wire through the fixed wire, so that multiple sling bodies can maintain a fixed interval; the hoisting wire can be lifted by a crane, so that multiple brackets can be lifted simultaneously; after the brackets are welded, the lower connecting plate is separated from the brackets; the crane then moves the hoisting wire to the next installation position; in this way, a streamlined operation can be implemented, which can effectively reduce the time for connecting and removing the slings during the hoisting of U-shaped brackets, shorten the hoisting distance, and greatly improve the hoisting efficiency of U-shaped brackets. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0031] Figure 1 Schematic structural diagram of the connection between the bracket sling provided by the embodiment of the present invention and the bracket;

[0032] Figure 2 For Figure 1 Schematic structural diagram of the connection between the bracket sling and the bracket shown from another angle;

[0033] Figure 3 For Figure 1 Schematic structural diagram of the first drive plate of the bracket sling shown;

[0034] Figure 4 For Figure 1 Schematic structural diagram of the lower connecting plate of the bracket sling shown;

[0035] Figure 5 is Figure 1 a schematic structural view of a rope clip of the bracket sling shown

[0036] Icon: 100 - bracket; 200 - lower connecting plate; 201 - first connecting part; 2011 - first connecting hole; 202 - second connecting part; 300 - first transmission plate; 301 - mounting hole; 302 - first long hole; 400 - hoisting steel wire; 500 - fixing steel wire; 600 - rope clip; 601 - U - shaped bolt; 602 - clamping seat; 700 - connecting piece Specific embodiments

[0037] The terms "first", "second", "third", etc. are only used for distinguishing descriptions, do not represent the serial number of arrangement, nor can they be understood as indicating or implying relative importance

[0038] In addition, terms such as "horizontal", "vertical", "hanging" do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined

[0039] In the description of the present application, it should be noted that the orientation or positional relationship indicated by terms such as "inside", "outside", "left", "right", "up", "down", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of this application is usually placed during use. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present application

[0040] In the description of the present application, unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements

[0041] The technical solutions of the present application will be clearly and completely described below with reference to the drawings

[0042] Embodiment

[0043] Refer to Figures 1-5, the present invention provides a bracket sling, which includes two hoisting steel wires 400 and at least one sling body; the sling body includes a first transmission plate 300 and two lower connecting plates 200. At both ends of the first transmission plate 300 in the first direction, an installation hole 301 is respectively provided, and two first long holes 302 are provided between the two installation holes 301;

[0044] On the lower connecting plate 200, a first connection hole 2011 is provided. The first connection hole 2011 coincides with the installation hole 301. The lower connecting plate 200 is used to connect with the bracket 100, and the two lower connecting plates 200 are connected to the same bracket 100;

[0045] The hoisting steel wire 400 sequentially passes through the installation hole 301 and the first connection hole 2011, and each installation hole 301 is penetrated by one hoisting steel wire 400;

[0046] At least one fixing steel wire 500 is provided between the two hoisting steel wires 400. Both ends of the fixing steel wire 500 are respectively connected to one hoisting steel wire 400;

[0047] The fixing steel wire 500 passes through one first long hole 302 of the first transmission plate 300 and exits from the other first long hole 302;

[0048] The first direction is the length direction of the first transmission plate 300.

[0049] Refer to Figure 4 , in an alternative embodiment, the lower connecting plate 200 includes a first connecting portion 201 and a second connecting portion 202. One end of the first connecting portion 201 is connected to one end of the second connecting portion 202;

[0050] The first connection hole 2011 is provided on the first connecting portion 201, and a second long hole is provided on the second connecting portion 202. The second connecting portion 202 is used to connect with the bracket 100.

[0051] In some embodiments, the bracket sling has two hoisting steel wires 400, and one sling body is simultaneously connected to the two hoisting steel wires 400; the bracket sling generally has at least eight sling bodies, which can greatly improve the hoisting efficiency.

[0052] The mounting holes 301 of the first drive plate 300 coincide with the first connection holes 2011 of the lower connection plate 200; the hoisting wire 400 passes through the mounting holes 301 of the first drive plate 300 and the first connection holes 2011 of the lower connection plate 200 in sequence, so that the first drive plate 300 and the lower connection plate 200 are threaded onto the hoisting wire 400; each mounting hole 301 of the first drive plate 300 corresponds to one lower connection plate 200; and the lower connection plate 200 is welded to the first drive plate 300, thereby improving the fixing degree between the lower connection plate 200 and the first drive plate 300.

[0053] Two lower connection plates 200 are used to connect to the same bracket 100, so that the bracket 100 is fixed on the hoisting wire 400.

[0054] In order to prevent the first drive plate 300 from moving arbitrarily on the hoisting wire 400; the fixing wire 500 passes through two first long holes 302 of the first drive plate 300 in sequence and is fixed to the hoisting wire 400, so that the fixing wire 500 fixes the first drive plate 300 on the hoisting wire 400, preventing the first drive plate 300 from moving arbitrarily on the hoisting wire 400, that is, the spacing between multiple brackets 100 on the hoisting wire 400 is fixed.

[0055] Refer to Figure 2 In an alternative embodiment, a connecting member 700 for connecting to the bracket 100 is provided on the second connecting portion 202.

[0056] In an alternative embodiment, the connecting member 700 is a bolt, the connecting member 700 is provided on the second long hole, and the second long hole extends in the second direction;

[0057] The second direction is the extending direction of the hoisting wire 400.

[0058] In some embodiments, the first connecting portion 201 and the second connecting portion 202 of the lower connection plate 200 are perpendicular to each other. The first connecting portion 201 is provided with first connection holes 2011. The first connecting portion 201 is used to connect to the first drive plate 300, and the second connecting portion 202 is used to connect to the bracket 100; a hoisting hole is provided on the bracket 100; the second long hole of the second connecting portion 202 corresponds to the hoisting hole; after the connecting member 700 passes through the hoisting hole and the second long hole, the bracket 100 is connected to the second connecting portion 202.

[0059] After the bolt exceeds the second long hole, the bolt can move within a certain range in the second long hole, which facilitates the insertion of the bolt into the hoisting hole of the bracket 100.

[0060] The lifting holes are symmetrically arranged on the bracket 100, which is conducive to the stable movement of the bracket 100 when lifting the bracket 100; and when the bracket 100 is installed, it is convenient for the bracket 100 to be separated from the second connecting part 202.

[0061] In an alternative embodiment, the first long hole 302 and the mounting hole 301 are located on the same straight line, and the first long hole 302 extends in the first direction.

[0062] In an alternative embodiment, the lifting wire 400 and the fixing wire 500 are connected by a wire clip 600.

[0063] In an alternative embodiment, the two connection points of the fixing wire 500 and the lifting wire 400 are located on the same side of the first transmission plate 300.

[0064] In an alternative embodiment, at least three wire clips 600 are provided at the connection point of one end of the fixing wire 500 and the lifting wire 400.

[0065] Referring to Figure 5 , in an alternative embodiment, the wire clip 600 includes a U-bolt 601 and a clip seat 602; the clip seat 602 has two clamping holes, the U-bolt 601 is assembled in the clamping holes of the clip seat 602, and the clip seat 602 and the U-bolt 601 cooperate to form a clamping area for clamping the fixing wire 500 and the lifting wire 400.

[0066] In an alternative embodiment, the fixing wire 500 and the lifting wire 400 have the same diameter.

[0067] In some embodiments, the length of the first transmission plate 300 is less than the width inside the U-shaped bracket 100, so that the first transmission plate 300 can be assembled inside the U-shaped bracket 100, and there is a gap convenient for installation between the first transmission plate 300 and the U-shaped bracket 100.

[0068] The fixing wire 500 and the lifting wire 400 have the same diameter, and the diameter of the fixing wire 500 is not less than 16 mm; generally, both the fixing wire 500 and the lifting wire 400 are made of galvanized steel wire ropes.

[0069] Grind and remove the paint on the welds between the U-shaped brackets 100 and 100; install the U-shaped brackets 100 on the bracket hanger on the ground in sequence, and each bracket hanger can install at least 8 brackets 100 in series; use a crane to lift the lowermost U-shaped bracket 100 to the designated installation position, use an aerial work vehicle to send the operator to the installation position of the U-shaped bracket 100, accurately adjust the U-shaped bracket 100 and spot weld it into position, then remove the connecting bolts between the installed U-shaped bracket 100 and the bracket hanger. The spot welding and welding of the U-shaped bracket 100 should use the specified welding process and method, and should be completed by welders with corresponding qualifications.

[0070] In the same way, other U-shaped brackets 100 on the spot welding fixture are positioned to complete a lifting and assembly line operation; the lifting and positioning spot welding operations of the U-shaped bracket 100 are completed in an assembly line operation manner; the welding and non-destructive testing of the U-shaped bracket 100 are completed, and the paint repair work damaged during the welding of the U-shaped bracket 100 is completed.

[0071] Taking the installation of the U-shaped bracket 100 on the second ring of the cylinder as an example, the U-shaped bracket 100 is assembled to the second ring of the cylinder, and then the second ring of the cylinder is hoisted as a whole, and then the position of the U-shaped bracket 100 is re-measured.

[0072] The bracket hanger can improve the construction efficiency, reduce the use cost and reduce the labor intensity of workers under the premise of ensuring the installation accuracy and construction safety of the U-shaped bracket 100. The main advantages are as follows:

[0073] The installation of the U-shaped bracket 100 is completed in advance during the assembly stage, which realizes the modularization of the installation technology of the U-shaped bracket 100, effectively avoids various problems arising in the construction of the nuclear island, and greatly improves the installation efficiency.

[0074] The U-shaped bracket 100 is hoisted using a serial clamp, and multiple U-shaped brackets 100 are installed on the bracket hoist on the ground at one time. A crane can be used to hoist multiple U-shaped brackets 100 at one time. After the U-shaped bracket 100 is spot-welded and positioned, the connection with the clamp can be removed, and then the next U-shaped bracket 100 can be positioned. The assembly line operation can effectively reduce the time for connecting and dismantling the slings when hoisting the U-shaped bracket 100, shorten the hoisting distance, and greatly improve the hoisting efficiency of the U-shaped bracket 100.

[0075] Installing the U-shaped bracket 100 at the assembly site provides the conditions for using an aerial work vehicle, avoiding repeated construction platforms at the work location. When changing work points, construction tools and personnel move with the aerial work vehicle, reducing physical labor, shortening construction preparation time, and achieving rapid conversion of work points.

[0076] Install the U-shaped bracket 100 at the assembly site. The construction environment and construction risks are relatively fixed, enabling the standardization of safety management, greatly reducing construction safety risks, and improving construction safety.

[0077] The implementation of the modular installation technology can gradually clarify and count the various costs of the installation construction of the U-shaped bracket 100, and conduct optimized control to achieve refined management, effectively reducing construction costs and improving economic benefits.

[0078] Multiple sling bodies can be provided on the two lifting steel wires 400 of the bracket sling provided by the present invention, and each sling body is used to connect with the bracket 100; and the sling body is fixed at its position on the lifting steel wire 400 through the fixing steel wire 500, so that multiple sling bodies can maintain a fixed interval; the crane can lift the lifting steel wire 400, so that multiple brackets 100 can be lifted simultaneously; after the bracket 100 is welded, separate the lower connecting plate 200 from the bracket 100; the crane then moves the lifting steel wire 400 to the next installation position; in this way, a flow operation is implemented, which can effectively reduce the time for connecting and removing the slings during the lifting of the U-shaped bracket 100, shorten the lifting distance, and greatly improve the lifting efficiency of the U-shaped bracket 100.

[0079] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A bracket hanger, characterized in that: The invention comprises two lifting steel wires (400) and at least one lifting device body; the lifting device body comprises a first transmission plate (300) and two lower connecting plates (200); a mounting hole (301) is respectively arranged at two ends of the first transmission plate (300) in a first direction, and two first elongated holes (302) are arranged between the two mounting holes (301); A first connection hole (2011) is provided on the lower connection plate (200), the first connection hole (2011) is arranged to overlap with the mounting hole (301), the lower connection plate (200) is used to be connected to the bracket (100), and two lower connection plates (200) are connected to the same bracket (100); The hoisting steel wire (400) passes through the mounting hole (301) and the first connecting hole (2011) in sequence, and one hoisting steel wire (400) is passed through each mounting hole (301); At least one fixing steel wire (500) is arranged between the two lifting steel wires (400), and both ends of the fixing steel wire (500) are respectively connected to one of the lifting steel wires (400); The fixing steel wire (500) passes through one first elongated hole (302) of the first transmission plate (300) and exits from another first elongated hole (302); The first direction is the length direction of the first transmission plate (300).

2. The bracket hanger according to claim 1, characterized in that: The lower connecting plate (200) comprises a first connecting portion (201) and a second connecting portion (202), one end of the first connecting portion (201) being connected to one end of the second connecting portion (202); The first connecting portion (201) is provided with the first connecting hole (2011), and the second connecting portion (202) is provided with a second elongated hole; the second connecting portion (202) is used for connecting to the bracket (100).

3. The bracket hanger according to claim 2, characterized in that: The second connecting portion (202) is provided with a connecting piece (700) for connecting to the bracket (100).

4. The bracket hanger according to claim 3, characterized in that: The connecting member (700) is a bolt, the connecting member (700) is arranged on the second elongated hole, and the second elongated hole extends along the second direction; The second direction is the extension direction of the lifting wire (400).

5. The bracket hanger according to claim 4, characterized in that: The first elongated hole (302) and the mounting hole (301) are located on the same straight line, and the first elongated hole (302) extends along a first direction.

6. The bracket hanger according to claim 2, characterized in that: The hoisting steel wire (400) and the fixing steel wire (500) are connected via a rope clamp (600).

7. The bracket hanger according to claim 6, characterized in that: The two connection points between the fixing steel wire (500) and the lifting steel wire (400) are located on the same side of the first transmission plate (300).

8. The bracket hanger according to claim 7, characterized in that: At least three rope clamps (600) are provided at the connection point between one end of the fixing steel wire (500) and the lifting steel wire (400).

9. The bracket hanger according to claim 8, characterized in that: The rope clamp (600) includes a U-shaped bolt (601) and a clamp seat (602); the clamp seat (602) has two clamping holes, the U-shaped bolt (601) is assembled in the clamping holes of the clamp seat (602), and the clamp seat (602) cooperates with the U-shaped bolt (601) to form a clamping area for clamping the fixing steel wire (500) and the lifting steel wire (400).

10. The bracket hanger according to claim 1, characterized in that: The diameter of the fixing steel wire (500) is the same as the diameter of the lifting steel wire (400).

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