Rotary displacement device

Abstract

The embodiment of the utility model provides a rotary displacement device, and belongs to the technical field of hoisting equipment. The displacement device comprises a lifting beam, a plurality of supporting pieces and a lifting appliance, the lifting beam is provided with two lifting lug sets, and each lifting lug set comprises a plurality of first lifting lugs; the multiple supporting pieces are dispersedly supported below the hanging beam, and a containing space with a downward opening is defined by the multiple supporting pieces and the hanging beam; the lifting appliance is positioned in the accommodating space, is rotatably connected to the lifting beam, and is used for connecting a lifted object. According to the embodiment of the invention, the lifting appliance is connected with the lifted object, and the two lifting lug groups on the lifting beam are respectively connected with the two lifting devices, so that the lifting beam and the lifted object are lifted, and the lifting appliance is rotationally connected with the lifting beam, so that the lifted object can change the direction in the air through rotation, time and labor are saved, and the lifting efficiency is improved. And a truck does not need to be used in the adjusting process, so that the cost for rotating and shifting the hoisted object is reduced. And the lifting beam and the lifting appliance are supported through the supporting piece, so that the lifting appliance is prevented from being damaged by pressure.

Description

Technical Field

[0001] The present application relates to the technical field of hoisting equipment, and in particular to a rotation displacement device. Background Art

[0002] The current engineering machinery industry is developing rapidly. The types and quantities of large and medium-sized equipment products are increasing, and there are more and more large and heavy structural parts. The weight of some large and heavy structural parts has exceeded the lifting and transportation capacity of a single crane in the factory, resulting in the use of two cranes to lift the large and heavy structural parts with multiple hooks at the same time.

[0003] However, when a large and heavy structural part needs to be rotated in a horizontal plane to adjust its orientation in the horizontal plane, the current adjustment method is to use a truck to first place the large and heavy structural part on the truck, and then move and turn the truck to achieve horizontal rotation of the large and heavy structural part, and then lift the large and heavy structural part again and transport it to the next process. This method is time-consuming, labor-intensive and costly. Summary of the Invention

[0004] The present application provides a rotation displacement device to solve the problem that the rotation displacement of large and heavy structural parts in a horizontal plane is time-consuming, labor-intensive and costly.

[0005] The present application provides a rotational displacement device, including a lifting beam, a plurality of support members and a sling, wherein the lifting beam is provided with two lifting eye groups, each of the lifting eye groups includes a plurality of first lifting eyes, and the first lifting eyes are used to connect a lifting device; the plurality of support members are dispersedly supported below the lifting beam, and a downward-opening accommodation space is enclosed between the plurality of support members and the lifting beam; the sling is located in the accommodation space, the sling is rotatably connected to the lifting beam, and the sling is used to connect a suspended object.

[0006] Optionally, the sling includes a rotating shaft, a transition piece, a first connecting piece and a second connecting piece. The first end of the rotating shaft is rotatably connected to the lifting beam, the second end of the rotating shaft is detachably connected to the transition piece, the first connecting piece and the second connecting piece can both be swingably connected to the transition piece, and the first connecting piece and the second connecting piece are used to connect the suspended object.

[0007] Optionally, the suspension beam is detachably connected to a bearing seat, a bearing is provided in the bearing seat, and the rotating shaft is fixedly connected to the bearing.

[0008] Optionally, a rotator is installed on the suspension beam, and the rotator is fixedly connected to the rotating shaft.

[0009] Optionally, a cavity is provided inside the suspension beam, and the rotator is provided in the cavity.

[0010] Optionally, the lifting beam includes a main beam and two side beams, the two side beams are connected to the two ends of the main beam in the length direction, at least part of the side beams are located below the main beam, the main beam and the side beams jointly construct part of the accommodating space, the support member is fixed to the bottom of the side beam, and the sling is rotatably connected to the main beam.

[0011] Optionally, the bottom surface of the main beam is a plane, and the distance between the top surface of the main beam and the bottom surface of the main beam gradually decreases from the middle area of ​​the main beam to the two ends of the main beam.

[0012] Optionally, the side beam includes a first plate body, a second plate body and multiple third plate bodies, the two ends of the multiple third plate bodies are respectively vertically fixedly connected to the first plate body and the second plate body, and the first plate body is detachably connected to the main beam.

[0013] Optionally, a plurality of second lifting ears are provided on the top of the main beam along the length direction of the main beam.

[0014] Optionally, the two lifting lug groups are respectively arranged on two side beams, and the multiple first lifting lugs in the same lifting lug group are symmetrically distributed on opposite sides of the main beam.

[0015] The displacement device provided by the present application connects the sling to the suspended object to achieve the connection between the suspended object and the rotation displacement device, and connects two lifting devices through two lifting eye groups on the suspension beam to achieve the lifting of the suspension beam, thereby achieving the lifting of the suspended object. The rotational connection between the sling and the suspension beam allows the suspended object to change its orientation by rotating in mid-air, thereby achieving the purpose of rotational displacement of the suspended object. The adjustment process of the orientation of the suspended object is completed in mid-air, saving time and effort, and no truck is required during the adjustment process, thereby reducing the cost of rotational displacement of the suspended object. The suspension beam and sling are supported by a support member to prevent the sling from being damaged by pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of a displacement device provided by an embodiment of the present application;

[0018] Figure 2 yes Figure 1 Schematic diagram of the structure of the middle spreader;

[0019] Figure 3 This is a schematic cross-sectional view of a sling connected to a sling beam according to an embodiment of the present application;

[0020] Figure 4This is a schematic diagram of a state of a suspended object before displacement provided by an embodiment of the present application;

[0021] Figure 5 This is a schematic diagram of the state of a suspended object after displacement, provided by an embodiment of the present application.

[0022] Reference numerals

[0023] 10-displacement device; 20-suspended object;

[0024] 100- hanging beam; 110- main beam; 111- cavity; 120- side beam; 121- first plate; 122- second plate; 123- third plate; 130- lifting lug group; 131- first lifting lug; 140- second lifting lug; 150- support member; 160- bearing seat; 161- bearing;

[0025] 200-spreader; 210-rotating shaft; 220-first connecting piece; 230-second connecting piece; 240-transition piece; 250-pin shaft;

[0026] 300-Spinner.

[0027] The above drawings illustrate specific embodiments of the present application, which will be described in more detail below. These drawings and the textual description are not intended to limit the scope of the present application in any way, but rather to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments. DETAILED DESCRIPTION

[0028] Exemplary embodiments will be described in detail herein, with examples illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

[0029] The terms "first," "second," "third," "fourth," and so on (if any) in the specification and claims of this application and the accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a particular order or sequential sequence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of the application described herein, for example, can be implemented in an order other than those illustrated or described herein.

[0030] In the embodiments of this application, words such as "exemplarily" or "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described in this application as "exemplary" or "for example" should not be construed as being preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplarily" or "for example" is intended to present the relevant concepts in a concrete manner.

[0031] In the related art, when the weight of a large and heavy structural part exceeds the lifting and operating capacity of a single crane, it is impossible to use a single crane to lift the large and heavy structural part. It is usually necessary to use two cranes to lift the large and heavy structural part with multiple hooks at the same time to transport the large and heavy structural part to the next process. If the current orientation of the large and heavy structural part is inconsistent with the discharge direction of the next process, or the current orientation of the large and heavy structural part cannot pass through a certain channel area, it is necessary to adjust the orientation of the current structural part so that the adjusted orientation of the structural part is consistent with the discharge direction of the next process or the structural part can pass through the channel area after the orientation is adjusted. Since large and heavy parts are transported by lifting, if the large and heavy parts are directly rotated to adjust the orientation, the steel wire used to lift the large and heavy parts will become entangled and easily rotate, which can easily cause injury to the operator. Currently, a safer method for adjustment involves using a truck to first place the heavy structure on the truck, then using the truck's movement and steering to horizontally rotate the structure and adjust its orientation. The heavy structure is then lifted again and transported to the next process or through the aforementioned access area. This adjustment method requires the use of a truck, which is time-consuming, labor-intensive, and costly.

[0032] In view of this, the displacement device provided by the present application realizes the connection between the suspended object and the rotation displacement device by connecting the sling to the suspended object, and respectively connects two lifting devices through two lifting eye groups on the suspension beam to realize the lifting of the suspension beam, and then realizes the lifting of the suspended object. Through the rotational connection between the sling and the suspension beam, the suspended object can change its orientation by rotating in the air, thereby achieving the purpose of rotation displacement of the suspended object. The adjustment process of the orientation of the suspended object is completed in the air, which saves time and effort, and no truck is required during the adjustment process, thereby reducing the cost of rotation displacement of the suspended object. The suspension beam and sling are supported by support members to prevent the sling from being damaged by pressure.

[0033] The following specific embodiments describe in detail the technical solution of the present application and how the technical solution of the present application solves the above-mentioned technical problems. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments. The embodiments of the present application will be described below in conjunction with the accompanying drawings.

[0034] like Figures 1 to 5As shown, the displacement device 10 provided in the present application includes a hanging beam 100, a plurality of support members 150 and a sling 200. The hanging beam 100 is provided with two lifting ear groups 130, and each lifting ear group 130 includes a plurality of first lifting ears 131; the plurality of support members 150 are dispersedly supported below the hanging beam 100, and an opening-facing accommodation space is enclosed between the plurality of support members 150 and the hanging beam 100; the sling 200 is located in the accommodation space, and the sling 200 is rotatably connected to the hanging beam 100, and the sling 200 is used to connect the suspended object 20.

[0035] The lifting lugs in the lifting lug group 130 are used to connect to the hooks of the lifting equipment through lifting belts or steel cables. The two lifting lug groups 130 correspond to two lifting equipments respectively, and the lifting beam 100 is lifted by the two lifting lug groups 130. By connecting the sling 200 to the suspended object 20, the suspended object 20 is lifted. By rotatably connecting the sling 200 to the suspension beam 100, the entire sling 200 can be rotated relative to the suspension beam 100, so that the suspended object 20 (such as a large and heavy structural member) can be rotated in the air, the direction of the suspended object 20 can be adjusted, and the rotational displacement of the suspended object 20 (such as a large and heavy structural member) can be achieved. Figure 4 and Figure 5 (As shown). Adjusting the orientation of the suspended object 20 is accomplished in mid-air, saving time and effort. No truck is required, reducing the cost of rotating and repositioning the suspended object 20. The support member 150 supports the lifting beam 100. When the repositioning device 10 is placed on the ground, the sling 200 does not contact the ground, thereby preventing damage to the sling 200 from pressure.

[0036] It can be understood that the above-mentioned lifting equipment can be a crane or a crane, and this disclosure does not make any specific limitation on this.

[0037] Optionally, the sling 200 rotates relative to the sling beam 100 in a horizontal plane, so that the suspended object 20 can rotate in the horizontal plane, achieving horizontal rotation and displacement.

[0038] like Figure 2 As shown, with regard to the specific structure of the sling 200, the sling 200 includes a rotating shaft 210, a transition piece 240, a first connecting piece 220 and a second connecting piece 230. The first end of the rotating shaft 210 is rotatably connected to the hanging beam 100, and the second end of the rotating shaft 210 is detachably connected to the transition piece 240. The first connecting piece 220 and the second connecting piece 230 can both be swingably connected to the transition piece 240. The first connecting piece 220 and the second connecting piece 230 are used to connect the suspended object 20.

[0039] The first connector 220 and the second connector 230 are respectively connected to different parts of the same suspended object 20 via a sling or a steel cable, so that the suspended object 20 is connected to the lifting equipment via the displacement device 10, and the suspended object 20 is then hoisted by the lifting equipment. The transition piece 240 is detachably connected to the rotating shaft 210, which facilitates the replacement of the first connector 220 and the second connector 230. The first connector 220 and the second connector 230 are swingably connected to the transition piece 240, which facilitates the adjustment of the position of the first connector 220 and the second connector 230, thereby facilitating the connection of the first connector 220 and the second connector 230 to the suspended object 20. The rotatable connection of the rotating shaft 210 to the lifting beam 100 enables the rotational displacement of the suspended object 20.

[0040] It should be noted that the first connecting member 220 and the second connecting member 230 may be hooks or shackles, and this disclosure does not specifically limit this. Optionally, in this embodiment, the first connecting member 220 and the second connecting member 230 are both shackles to more conveniently connect to the sling or cable and prevent the sling or cable from falling off.

[0041] Optionally, the axis of the rotating shaft 210 is vertically arranged so that the suspended object 20 can be rotated and displaced horizontally.

[0042] like Figure 2 and Figure 3 As shown, regarding the specific connection method between the transition piece 240 and the rotating shaft 210, in some optional embodiments, a plurality of first through holes are provided on the rotating shaft 210, and the first through holes penetrate the rotating shaft 210 along the radial direction of the rotating shaft 210, and a second through hole corresponding to the first through hole is provided on the transition piece 240, and the second through hole penetrates the transition piece 240, and the first through hole and the second through hole are penetrated by the pin shaft 250 to realize the detachable connection between the rotating shaft 210 and the transition piece 240.

[0043] Of course, in other embodiments, flanges may be provided on the second end of the rotating shaft 210 and the transition piece 240 , respectively, and the two flanges may be connected and fixed by bolts to achieve a detachable connection between the rotating shaft 210 and the transition piece 240 .

[0044] In order to make the sling 200 rotate more smoothly, in some optional embodiments, the sling beam 100 is detachably connected to the bearing seat 160, a bearing 161 is provided in the bearing seat 160, and the rotating shaft 210 is fixedly connected to the bearing 161.

[0045] The bearing 161 can reduce the friction of the rotating shaft 210 during the rotation process, so that the sling 200 can rotate more smoothly.

[0046] It can be understood that the installation or replacement of the bearing 161 can be achieved by disassembling and separating the bearing seat 160 from the suspension beam 100.

[0047] Since some of the objects 20 are too large and heavy, it is inconvenient for the operator to rotate and displace them manually. Figure 2 and Figure 3 As shown, in some optional embodiments, a rotator 300 is installed on the hanging beam 100, and the rotator 300 is fixedly connected to the rotating shaft 210. By providing the rotator 300, the rotation angle of the rotating shaft 210 can be controlled by the rotator 300, thereby realizing the rotation and displacement of the suspended object 20.

[0048] It will be appreciated that the rotation direction, start and stop of the rotator 300 can be controlled by buttons on the joystick. The joystick and rotator 300 can be connected via wired or wireless communication. The rotator 300 can be powered by a motor or an electric goniometer, etc., which is not specifically limited in this disclosure. Alternatively, the rotator 300 can be powered by a servo motor to more precisely control the rotation angle of the rotating shaft 210.

[0049] Optionally, the control handle and the rotator 300 are connected by wireless communication, so that interference between the suspended object 20 and the cable can be avoided when the suspended object 20 rotates.

[0050] When a handle is provided, a battery may be provided on the hanging beam 100 and electrically connected to the rotator 300 , so as to power the rotation of the rotator 300 and the communication between the control handle and the rotator 300 .

[0051] like Figure 3 As shown, in some optional embodiments, a cavity 111 is provided within the hanging beam 100, and the rotator 300 is disposed within the cavity 111. Placing the rotator 300 within the cavity 111 allows the hanging beam 100 to protect the rotator 300. If a battery is provided, the battery can also be disposed within the cavity 111 of the hanging beam 100, thereby protecting the battery through the hanging beam 100.

[0052] Regarding the specific structure of the hanging beam 100, in some optional embodiments, the hanging beam 100 includes a main beam 110 and two side beams 120, the two side beams 120 are connected to the two ends of the main beam 110 in the length direction, at least part of the side beams 120 are located below the main beam 110, the main beam 110 and the side beams 120 jointly construct a partial accommodating space, the support member 150 is fixed to the bottom of the side beam 120, and the sling 200 is rotatably connected to the main beam 110.

[0053] The rotatable connection between the sling 200 and the main beam 110 enables the sling 200 to be located at the center of the sling beam, so that the sling beam 100 and the suspended object 20 are subjected to more uniform force during the lifting process. Since the side beams 120 and the main beam 110 form a partial accommodation space, the side beams 120 can provide a certain degree of support for the main beam 110. This helps to shorten the length of the support member 150. At the same time, since the side beams 120 are located at both ends of the main beam 110 and the support member 150 is arranged on the side beams 120, the support of the support member 150 to the sling beam 100 can also be made more stable.

[0054] It should be noted that the lifting lug group 130 can be provided on the main beam 110 or on the side beam 120, and this disclosure does not specifically limit this. The number of support members 150 connected to each side beam 120 can be one or more. When the number of support members 150 connected to the side beam 120 is multiple, the multiple support members 150 can be spaced apart from each other to provide stable support for the displacement device 10. When the hanging beam 100 is provided with a rotator, the rotator 300 can be installed on the main beam 110. When the hanging beam 100 is provided with a cavity 111, the cavity can also be provided on the main beam 110.

[0055] Regarding the specific arrangement positions of the multiple lifting ears in the lifting ear group 130 on the side beam 120, as shown in FIG. Figure 1 As shown, in some optional embodiments, two lifting eye groups 130 are respectively provided on the two side beams 120, and a plurality of first lifting eyes 131 in the same lifting eye group 130 are symmetrically distributed on opposite sides of the main beam 110. With this arrangement, when connected to a lifting device, one first lifting eye 131 located on each side of the main beam 110 can be selected to connect to the lifting device, thereby making the force applied to the side beams 120 and the main beam 110 more uniform.

[0056] It is understood that the number of first lifting eyes 131 on both sides of the main beam 110 is the same, so that the first lifting eyes 131 on both sides of the main beam 110 can be symmetrically arranged about the main beam 110. The number of first lifting eyes 131 on either side of the main beam 110 can be one or more. When there are multiple first lifting eyes 131 on either side of the main beam 110, when connecting the displacement device 10 to the lifting equipment, a selection can be made from the multiple first lifting eyes 131.

[0057] In this embodiment, the main beam 110 and the side beam 120 are fixed by bolts. Of course, in other optional embodiments, the main beam 110 and the side beam 120 can also be an integrally formed structure or a welded structure.

[0058] Regarding the specific structure of the main beam 110, as shown in FIG. Figure 1As shown, in some optional embodiments, the bottom surface of the main beam 110 is flat, and the distance between the top surface of the main beam 110 and the bottom surface of the main beam 110 gradually decreases from the middle area of ​​the main beam 110 to the two ends of the main beam 110.

[0059] Since the bottom surface of the main beam 110 is a plane, the distance between the top surface of the main beam 110 and the bottom surface of the main beam 110 gradually decreases, so that the external shape of the main beam 110 roughly forms a "bow" shape, which can improve the deformation resistance of the main beam 110.

[0060] Optionally, the side beam 120 is fixed to the bottom surface of the main beam 110 so that the side beam 120 is located entirely below the main beam 110 , thereby improving the supporting capacity of the main beam 110 .

[0061] In addition, the main beam 110 as a whole can be welded into a box shape by steel plates to form a cavity 111 inside the main beam 110, which not only meets the stiffness requirements of the main beam 110 but also can reduce the weight of the main beam 110.

[0062] Regarding the specific structure of the side beam 120, Figure 1 As shown, in some optional embodiments, the side beam 120 includes a first plate body 121, a second plate body 122 and a plurality of third plate bodies 123, the first plate body 121 and the second plate body 122 are arranged in parallel, and the two ends of the plurality of third plate bodies 123 are respectively vertically fixedly connected to the first plate body 121 and the second plate body 122, the first plate body 121 is detachably connected to the main beam 110, and the second plate body 122 is connected to the support member 150.

[0063] The first plate 121 , the second plate 122 and the third plate 123 form an “H”-shaped structure, which can improve the deformation resistance of the side beam 120 .

[0064] In order to facilitate the transportation of the displacement device 10 , in some optional embodiments, a plurality of second lifting ears 140 are provided on the top of the main beam 110 along the length direction of the main beam 110 .

[0065] Providing the second lifting lug 140 can facilitate the transport of the positioner 10 using a single lifting device, for example, transporting the positioner 10 to the vicinity of the suspended object 20, or transporting the positioner 10 to a storage location.

[0066] It can be understood that the multiple second lifting ears 140 set on the top of the main beam 110 can be arranged to be symmetrically distributed in the middle of the main beam 110, so that the displacement device 10 can be lifted more smoothly through the second lifting ears 140.

[0067] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The description and examples are to be considered as exemplary only, and the true scope and spirit of the present application are indicated by the following claims.

[0068] It should be understood that the present application is not limited to the exact structure described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present application is limited only by the appended claims.

Claims

1. A rotary displacement device, characterized in that: include: A lifting beam (100) is provided with two lifting lug groups (130), each of the lifting lug groups (130) comprising a plurality of first lifting lugs (131), the first lifting lugs (131) being used for connecting a lifting device; A plurality of support members (150) are dispersedly supported below the hanging beam (100), and a downwardly opening accommodating space is enclosed between the plurality of support members (150) and the hanging beam (100); A sling (200) is located in the accommodating space, the sling (200) is rotatably connected to the sling beam (100), and the sling (200) is used to connect a sling object (20).

2. The displacement device according to claim 1, characterized in that: The sling (200) includes a rotating shaft (210), a transition piece (240), a first connecting piece (220) and a second connecting piece (230), wherein the first end of the rotating shaft (210) is rotatably connected to the sling beam (100), the second end of the rotating shaft (210) is detachably connected to the transition piece (240), the first connecting piece (220) and the second connecting piece (230) are both swingably connected to the transition piece (240), and the first connecting piece (220) and the second connecting piece (230) are used to connect the suspended object (20).

3. The rotation displacement device according to claim 2, characterized in that: The suspension beam (100) is detachably connected to a bearing seat (160), a bearing (161) is provided in the bearing seat (160), and the rotating shaft (210) is fixedly connected to the bearing (161).

4. The rotation displacement device according to claim 2, characterized in that: A rotator (300) is installed on the suspension beam (100), and the rotator (300) is fixedly connected to the rotating shaft (210).

5. The displacement device according to claim 4, characterized in that: A cavity (111) is provided inside the suspension beam (100), and the rotator (300) is provided in the cavity (111).

6. The rotation displacement device according to any one of claims 1 to 5, characterized in that: The hanging beam (100) includes a main beam (110) and two side beams (120), the two side beams (120) are connected to the two ends of the main beam (110) in the length direction, at least part of the side beams (120) are located below the main beam (110), the main beam (110) and the side beams (120) together construct part of the accommodating space, the support member (150) is fixed to the bottom of the side beam (120), and the sling (200) is rotatably connected to the main beam (110).

7. The rotation displacement device according to claim 6, characterized in that: The bottom surface of the main beam (110) is a plane, and the distance between the top surface of the main beam (110) and the bottom surface of the main beam (110) gradually decreases from the middle area of ​​the main beam (110) to the two ends of the main beam (110).

8. The rotation displacement device according to claim 6, characterized in that: The side beam (120) comprises a first plate body (121), a second plate body (122) and a plurality of third plate bodies (123), wherein two ends of the plurality of third plate bodies (123) are respectively vertically fixedly connected to the first plate body (121) and the second plate body (122), and the first plate body (121) is detachably connected to the main beam (110).

9. The rotation displacement device according to claim 6, characterized in that: A plurality of second lifting lugs (140) are provided on the top of the main beam (110) along the length direction of the main beam (110).

10. The rotation displacement device according to claim 6, characterized in that: The two lifting lug groups (130) are respectively arranged on the two side beams (120), and the plurality of first lifting lugs (131) in the same lifting lug group (130) are symmetrically distributed on opposite sides of the main beam (110).

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