Cutting device for landscaping engineering construction

Abstract

The invention relates to the technical field of cutting devices, and provides a cutting device for landscaping engineering construction. The sliding seat is slidably arranged on the mounting frame; the cutting piece is hinged to the sliding seat, and the cutting piece can deflect on the sliding seat by an angle; the clamping and fixing piece is arranged on the mounting frame and used for clamping materials to be cut. By means of the technical scheme, the problem that in the prior art, a cutting device cannot automatically cut a proper inclined face or a bevel into a to-be-cut material is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of cutting devices, and in particular to a cutting device for landscaping engineering construction. Background Art

[0002] In the process of landscaping construction, cutting devices are one of the core tools used to process materials such as stone, wood, composite materials, plastic pipes, etc. With the improvement of construction efficiency, precision and environmental protection requirements of modern garden projects, traditional cutting equipment has gradually exposed technical limitations and is difficult to meet the construction needs in complex scenarios. At present, the cutting technologies commonly used in the industry mainly include the following categories: Manual cutting tools: such as hand-held saws and scissors, rely on manual operation. Although they are highly flexible, they have problems such as high labor intensity, low cutting efficiency, and unstable precision. They are especially difficult to use in large-scale construction or cutting of hard materials (such as granite and concrete curbstones).

[0003] Electric cutting equipment: such as handheld electric saws and angle grinders, which use motors to drive the cutting blades to rotate at high speed to split materials. Although such equipment improves cutting efficiency, it is not safe enough.

[0004] Large CNC cutting machinery: Some projects use automated CNC equipment, which can achieve high-precision cutting, but its high cost, large size and high requirements for the operating environment (such as flat ground and stable power supply) limit its popularity in small and medium-sized garden projects, especially in sensitive sites such as narrow green belts or ancient tree protection areas.

[0005] In addition, the existing cutting devices cannot automatically cut a suitable bevel or groove for the material to be cut. Summary of the invention

[0006] The present invention provides a cutting device for landscaping engineering construction, which solves the problem that the cutting device in the related art cannot automatically cut a suitable slope or groove for the material to be cut.

[0007] The technical solution of the present invention is as follows: A cutting device for landscaping engineering construction, comprising: Mounting frame; A sliding seat, slidably disposed on the mounting frame; A cutting member, hinged to the sliding seat, the cutting member being able to deflect an angle on the sliding seat; A clamping fixture is arranged on the mounting frame, and the clamping fixture is used to clamp the material to be cut.

[0008] Optionally, the cutting member comprises: A bracket, wherein the middle portion of the bracket is hinged to the sliding seat; A fastening bolt is sequentially arranged on the bracket and the sliding seat, and the fastening bolt is used to lock the bracket on the sliding seat; A driver, arranged on the bracket; The saw blade is arranged on the power output end of the driver.

[0009] Optionally, the clamping fixture includes: A telescopic rod, arranged at the bottom of the mounting frame; A scissor mechanism is arranged on the movable end of the telescopic rod; The clamping claw is arranged on the scissor-fork mechanism, and after the telescopic rod drives the scissor-fork mechanism to move, the clamping claw opens or closes.

[0010] Optionally, also include: A guide plate having a guide groove, and the mounting frame is slidably arranged on the guide groove; The mover is movably arranged on the side of the guide plate away from the mounting frame, the mover passes through the guide groove and is fixedly connected to the mounting frame, and the mover is used to drive the mounting frame to move back and forth along the guide groove.

[0011] Optionally, the guide plate has a plurality of mounting holes, and further comprises: A first rod body, one end of which is inserted into the mounting hole; A second rod body, one end of which is inserted into the mounting hole, the other end of the second rod body and the other end of the first rod body are connected to each other, and an annular clamping space is formed between the first rod body and the second rod body, and the clamping space is used to clamp the material to be cut; An adjusting nut is threadedly connected to one end of the first rod body and one end of the second rod body, and the adjusting nut is used to adjust the extended positions of the first rod body and the second rod body.

[0012] Optionally, also include: A compression pad is located in the clamping space, and a side wall of the compression pad is arranged on the first rod body and the second rod body.

[0013] Optionally, the extrusion pad is made of rubber and has a honeycomb structure.

[0014] Optionally, also include: A slider, slidably disposed on the guide groove; A connecting rod, one end of which is disposed on the sliding block; A marker is arranged on the other end of the connecting rod, and is used to draw a marking line on the surface of the material to be cut.

[0015] Optionally, the liner includes: A fixing frame, the fixing frame is arranged on the connecting rod; An arc frame, wherein the arc frame is arranged on the fixing frame; A half gear ring, slidably disposed on the arc frame; A drawing pen, arranged on the half gear ring; A driving gear is rotatably disposed on the fixing frame, the driving gear is meshed with the half gear ring, and the driving gear is used to drive the half gear ring to slide along the outer wall of the arc frame; The driving wheel is arranged on the fixing frame, the driving wheel is in transmission connection with the driving gear, and the driving wheel is used to drive the driving gear to rotate.

[0016] Optionally, also include: The locking nut is threadedly connected to the power output end of the driver. After the saw blade is installed on the power output end of the driver, the locking nut is used to tighten the saw blade.

[0017] The working principle and beneficial effects of the present invention are: In the present invention, the material to be cut is placed on the mounting frame and clamped by the clamping fixture. According to the cutting requirements, the position of the sliding seat on the mounting frame is adjusted, and the cutting piece is deflected to a suitable angle in the height direction of the sliding seat, and then the cutting piece is started to cut the material to be cut. The device can flexibly adjust the position and angle of the cutting piece, and is suitable for materials of different shapes and cutting requirements; the clamping fixture can stably fix the material and improve the cutting accuracy and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The preferred implementation modes will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present invention.

[0019] Figure 1 It is a schematic diagram of the overall structure of the cutting device of the present invention; Figure 2 This is a schematic diagram of the structure of the mounting frame and cutting piece of the present invention; Figure 3 This is a schematic diagram of the structure of the clamping fixture of the present invention; Figure 4 It is a schematic diagram of the structure of the mover of the present invention; Figure 5 It is a schematic diagram of the positional relationship between the mounting frame and the marker of the present invention; Figure 6 This is a schematic diagram of the structure of the marker of the present invention from a first viewing angle; Figure 7 This is a schematic diagram of the structure of the marker of the present invention from a second viewing angle; Figure 8 for Figure 5 A partial enlarged view of point A in the middle.

[0020] In the figure: 1. mounting frame; 2. sliding seat; 3. cutting piece; 301. bracket; 302. fastening bolt; 303. driver; 304. saw blade; 4. clamping fixture; 401. telescopic rod; 402. scissor mechanism; 403. clamping claw; 5. guide plate; 501. guide groove; 502. mounting hole; 503. U-shaped groove; 6. mover; 7. first rod body; 8. second rod body; 78. clamping space; 9. extrusion pad; 10. adjusting nut; 11. material to be cut; 12. slider; 13. connecting rod; 14. marker; 1401. fixing frame; 1402. arc frame; 1403. half gear ring; 1406. marker pen; 1404. driving gear; 1405. driving wheel; 15. locking nut. DETAILED DESCRIPTION In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0021] In order to simplify the drawings, only the parts related to the invention are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically shown, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0022] In this document, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0024] Reference Figure 1 to Figure 8, which is the first embodiment of the present invention, proposes a cutting device for landscaping engineering construction, including a mounting frame 1; a sliding seat 2 is slidably arranged on the mounting frame 1; a cutting piece 3 is hinged on the sliding seat 2, and the cutting piece 3 can deflect an angle on the sliding seat 2; a clamping fixture 4 is arranged on the mounting frame 1, and the clamping fixture 4 is used to clamp the material 11 to be cut.

[0025] In the above scheme, the mounting frame 1 is a frame structure, and rollers are provided at the bottom of the mounting frame 1 for easy movement. The sliding seat 2 is connected to the mounting frame 1 through a guide rail and can slide smoothly on the mounting frame 1. The cutting member 3 is a saw blade 304 driven by a motor, and the middle part of the bracket 301 of the saw blade 304 is hinged on the sliding seat 2 through a pin shaft, and the clamping fixture 4 is arranged on the workbench of the mounting frame 1 for clamping the material 11 to be cut.

[0026] Working process: Place the material 11 to be cut on the mounting frame 1 and clamp it by the clamping fixture 4. According to the cutting requirements, adjust the position of the sliding seat 2 on the mounting frame 1, and deflect the cutting piece 3 in the height direction of the sliding seat 2 to a suitable angle, and then start the cutting piece 3 to cut the material 11 to be cut.

[0027] The device can flexibly adjust the position and angle of the cutting member 3, and is suitable for materials of different shapes and cutting requirements; the clamping fixing member 4 can stably fix the material, and improve the cutting accuracy and safety.

[0028] Furthermore, the cutting piece 3 includes a bracket 301, the middle part of the bracket 301 is hinged on the sliding seat 2; the fastening bolts 302 are sequentially arranged on the bracket 301 and the sliding seat 2, and after the bracket 301 is adjusted to a preset angle, the fastening bolts 302 are used to lock the bracket 301 on the sliding seat 2; the driver 303 is arranged on the bracket 301; and the saw blade 304 is arranged on the power output end of the driver 303.

[0029] In the above scheme, the bracket 301 is an L-shaped metal frame, and the hinge hole in the middle cooperates with the hinge shaft on the sliding seat 2. The fastening bolt 302 adopts a high-strength bolt, the driver 303 is a motor, and the saw blade 304 is an alloy saw blade. When the cutting angle needs to be adjusted, the fastening bolt 302 is loosened, the bracket 301 is rotated to a preset angle, and then the fastening bolt 302 is tightened to lock the bracket 301 on the sliding seat 2. Start the motor, and the motor drives the saw blade 304 to rotate at a high speed to perform the cutting operation. The cutting angle can be adjusted conveniently and quickly to meet the cutting requirements of different bevels or grooves; the device is not only simple in structure and easy to operate, but also the fastening bolt 302 can ensure that the bracket 301 is stable and does not shake during the cutting process.

[0030] Furthermore, the clamping fixture 4 includes a telescopic rod 401, which is arranged at the bottom of the mounting frame 1; a scissor mechanism 402 is arranged on the movable end of the telescopic rod 401; and a clamp 403 is arranged on the scissor mechanism 402. After the telescopic rod 401 drives the scissor mechanism 402 to move, the clamp 403 opens or closes.

[0031] In the above solution, the telescopic rod 401 is an electric telescopic rod 401, and the scissor mechanism 402 is composed of a plurality of cross-connected connecting rods 13.

[0032] Working process: Start the electric telescopic rod 401, the movable end of the telescopic rod 401 extends or retracts, driving the scissor mechanism 402 to move. When the scissor mechanism 402 moves, the clamping jaws 403 open or close accordingly, thereby clamping or releasing the material to be cut 11. The clamping jaws 403 are controlled by the electric telescopic rod 401, which is easy to operate and has a high degree of automation; the scissor mechanism 402 can provide a large clamping force to stably fix the material.

[0033] Furthermore, it also includes a guide plate 5, which has a guide groove 501, and the mounting frame 1 is slidably set on the guide groove 501; the mover 6 is movably set on the side of the guide plate 5 away from the mounting frame 1, the mover 6 passes through the guide groove 501 and is fixedly connected to the mounting frame 1, and the mover 6 is used to drive the mounting frame 1 to move back and forth along the guide groove 501.

[0034] In the above scheme, the guide plate 5 is a flat plate structure, the guide groove 501 is a linear groove, and the guide groove 501 is arranged along the length direction of the guide plate 5. The mover 6 is a moving trolley or a slider that can be pushed manually, or a device that can be linearly driven, such as a gear rack or a screw motor. The middle part of the mover 6 is fixedly connected to the mounting frame 1 through the guide groove 501. When the mover 6 moves along the guide plate 5, it can drive the mounting frame 1 to move up and down, so that the material 11 to be cut can be cut in sections, and the cutting can be automated and intelligent.

[0035] Working process: start the mover 6, and the mover 6 drives the mounting frame 1 to move back and forth along the guide groove 501. During the movement, the cutting member 3 cuts the material to be cut fixed on the mounting frame 1. This makes the cutting movement of the cutting device more stable and accurate, and improves the cutting quality; the mover 6 is not only convenient to control, but also can adjust the cutting position according to the cutting requirements.

[0036] Furthermore, the guide plate 5 has a plurality of mounting holes 502, and also includes a first rod body 7, one end of the first rod body 7 is penetrated and arranged in the mounting hole 502; one end of the second rod body 8 is penetrated and arranged in the mounting hole 502, the other end of the second rod body 8 and the other end of the first rod body 7 are connected to each other, and an annular clamping space 78 is formed between the first rod body 7 and the second rod body 8, and the clamping space 78 is used to clamp the material to be cut; the adjusting nut 10 is threadedly connected to one end of the first rod body 7 and one end of the second rod body 8, and the adjusting nut 10 is used to adjust the extended position of the first rod body 7 and the second rod body 8.

[0037] In the above solution, both the first rod body 7 and the second rod body 8 have threaded portions, and the adjusting nut 10 is a butterfly nut for easy manual operation.

[0038] During installation, the material 11 to be cut is placed in the clamping space 78 formed by the first rod 7 and the second rod 8, and the adjusting nut 10 is rotated, and the adjusting nut 10 moves on the threaded portion, thereby adjusting the extended position of the first rod 7 and the second rod 8, so that the size of the clamping space 78 is adapted to the material, and the material is clamped. It can adapt to materials of different sizes to be cut, and improve the versatility of the cutting device; it has a simple structure and is easy to operate, which is convenient for on-site construction personnel to quickly adjust.

[0039] Furthermore, it also includes a compression pad 9 , which is located in the clamping space 78 , and the side walls of the compression pad 9 are arranged on the first rod body 7 and the second rod body 8 .

[0040] In the above solution, the compression pad 9 is made of rubber and is arranged on the side of the first rod body 7 and the second rod body 8 facing the clamping space 78 .

[0041] When it is necessary to install the material 11 to be cut, first remove the first rod 7 and the second rod 8 from the guide plate 5, then open the first rod 7 and the second rod 8 along the hinge point, and then put the material 11 to be cut into the clamping space 78. At this time, the extrusion pad 9 contacts the surface of the material to buffer and increase the friction force to prevent the material from sliding during the cutting process, and then the first rod 7 and the second rod 8 can be installed on the guide plate 5.

[0042] In another way, a U-shaped groove 503 is opened on the guide plate 5, and the opening of the U-shaped groove 503 is located on the side wall of the guide plate 5. Specifically, when the material 11 to be cut needs to be placed in the clamping space 78, it is only necessary to take out the first rod body 7 from the U-shaped groove 503, and there is no need to move the second rod body 8, thereby simplifying the operation steps.

[0043] The above method can protect the surface of the material to be cut from being scratched, enhance the clamping stability of the material, and further improve the cutting accuracy.

[0044] Furthermore, the squeezing pad 9 is made of rubber and has a honeycomb structure.

[0045] In the above solution, the squeezing pad 9 is made of natural rubber and is formed into a honeycomb structure by a mold.

[0046] When clamping the material, the extrusion pad 9 with a honeycomb structure can better fit the surface of the material and disperse the clamping force. At the same time, the elasticity of the rubber further plays a buffering and anti-slip role. It should be noted that after the extrusion pad 9 is formed into a circle for accommodating the material to be cut, the area of ​​the circle is smaller than the cross-section of the material to be cut, so that the material to be cut can be better clamped. Compared with ordinary rubber pads, the honeycomb structure can more effectively prevent the material from sliding and improve the clamping effect; and the honeycomb structure increases the elastic deformation capacity of the rubber pad and prolongs its service life.

[0047] Furthermore, it also includes a slider 12, which is slidably arranged on the guide groove 501; one end of the connecting rod 13 is arranged on the slider 12; a marker 14 is arranged on the other end of the connecting rod 13, and the marker 14 is used to draw a marking line on the surface of the material 11 to be cut.

[0048] In the above scheme, the slider 12 is a T-shaped slider 12, which cooperates with the guide groove 501, and the marker 14 is a marker pen. The slider 12 can be pushed to slide on the guide groove 501, and the slider 12 drives the connecting rod 13 and the marker 14 to move. The marker 14 is moved on the surface of the material 11 to be cut to draw a marking line, so as to mark the cutting path for subsequent cutting.

[0049] The above method can easily and conveniently draw the cutting mark line accurately on the surface of the material, thereby improving the accuracy and precision of the cutting; the position and height of the marker 14 can be adjusted as needed, and the applicability is strong.

[0050] Furthermore, the marker 14 includes a fixed frame 1401, which is arranged on the connecting rod 13; an arc frame 1402 is arranged on the fixed frame 1401; a half gear ring 1403 is slidably arranged on the arc frame 1402; a marker pen 1406 is arranged on the half gear ring 1403; a driving gear 1404 is rotatably arranged on the fixed frame 1401, the driving gear 1404 is meshed with the half gear ring 1403, and the driving gear 1404 is used to drive the half gear ring 1403 to slide along the outer wall of the arc frame 1402; a driving wheel 1405 is arranged on the fixed frame 1401, the driving wheel 1405 and the driving gear 1404 are transmission connected, and the driving wheel 1405 is used to drive the driving gear 1404 to rotate.

[0051] In the above scheme, the arc frame 1402 is fixed to the fixed frame 1401 by bolts, the driving wheel 1405 is a sprocket, the driving gear 1404 and the driving wheel 1405 are connected together by a rotating shaft, and a motor is also arranged on the other fixed frame 1401, and a sprocket is also arranged on the output shaft of the motor, and the sprocket and the driving wheel 1405 are connected by chain transmission.

[0052] Working process: the driving wheel 1405 rotates, and the driving wheel 1405 drives the driving gear 1404 to rotate through the transmission mechanism, and the driving gear 1404 meshes with the half gear ring 1403, thereby driving the half gear ring 1403 to slide along the outer wall of the arc frame 1402. When the half gear ring 1403 slides, it drives the marker 1406 on it to move, draw an arc on the surface of the material, or draw other shapes of marking lines in conjunction with the up and down movement of the slider 12, which is mainly used to draw the initial position, cutting path and end position that the saw blade can cut.

[0053] The above method can not only flexibly draw marking lines of different shapes to meet complex cutting needs, but also is simple to operate and easy to control.

[0054] Furthermore, it also includes a locking nut 16 , which is threadedly connected to the power output end of the driver 303 . After the saw blade 304 is installed on the power output end of the driver 303 , the locking nut 16 is used to tighten the saw blade 304 .

[0055] In the above scheme, after the saw blade 304 is installed on the power output end of the driver 303, the locking nut 16 is tightened to firmly fix the saw blade 304 on the power output end. This can prevent the saw blade 304 from loosening during high-speed rotation, improve the safety and stability of the cutting operation, and facilitate the installation and removal of the saw blade 304, so that it is easy to replace saw blades 304 of different specifications.

[0056] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A cutting device for landscaping engineering construction, characterized in that: include: Mounting frame (1); A sliding seat (2) slidably disposed on the mounting frame (1); A cutting member (3) is hingedly connected to the sliding seat (2), and the cutting member (3) is capable of deflecting an angle on the sliding seat (2); A clamping fixture (4) is arranged on the mounting frame (1), and the clamping fixture (4) is used to clamp the material (11) to be cut.

2. A cutting device for landscaping engineering construction according to claim 1, characterized in that: The cutting element (3) comprises: A bracket (301), wherein a middle portion of the bracket (301) is hingedly connected to the sliding seat (2); A fastening bolt (302) is sequentially arranged to penetrate the bracket (301) and the sliding seat (2), and the fastening bolt (302) is used to lock the bracket (301) on the sliding seat (2); A driver (303) is arranged on the bracket (301); The saw blade (304) is arranged on the power output end of the driver (303).

3. A cutting device for landscaping engineering construction according to claim 1, characterized in that: The clamping fixture (4) comprises: A telescopic rod (401) is arranged at the bottom of the mounting frame (1); A scissor mechanism (402) is arranged on the movable end of the telescopic rod (401); The clamping claw (403) is arranged on the scissor-fork mechanism (402), and after the telescopic rod (401) drives the scissor-fork mechanism (402) to move, the clamping claw (403) opens or closes.

4. A cutting device for landscaping engineering construction according to claim 1, characterized in that: Also includes: The guide plate (5) has a guide groove (501), and the mounting frame (1) is slidably arranged on the guide groove (501); A mover (6) is movably arranged on a side of the guide plate (5) away from the mounting frame (1); the mover (6) passes through the guide groove (501) and is fixedly connected to the mounting frame (1); the mover (6) is used to drive the mounting frame (1) to move back and forth along the guide groove (501).

5. A cutting device for landscaping engineering construction according to claim 4, characterized in that: The guide plate (5) has a plurality of mounting holes (502) and further comprises: A first rod body (7), one end of which is disposed through the mounting hole (502); A second rod body (8), one end of which is inserted into the mounting hole (502), the other end of the second rod body (8) and the other end of the first rod body (7) are connected to each other, and an annular clamping space (78) is formed between the first rod body (7) and the second rod body (8), the clamping space (78) being used to clamp the material (11) to be cut; An adjusting nut (10) is threadedly connected to one end of the first rod (7) and one end of the second rod (8), and the adjusting nut (10) is used to adjust the extended positions of the first rod (7) and the second rod (8).

6. A cutting device for landscaping engineering construction according to claim 5, characterized in that: Also includes: A pressing pad (9) is located in the clamping space (78), and a side wall of the pressing pad (9) is arranged on the first rod body (7) and the second rod body (8).

7. A cutting device for landscaping engineering construction according to claim 6, characterized in that: The squeezing pad (9) is made of rubber and has a honeycomb structure.

8. A cutting device for landscaping engineering construction according to claim 4, characterized in that: Also includes: A sliding block (12) slidably disposed on the guide groove (501); A connecting rod (13), one end of which is arranged on the sliding block (12); A marker (14) is arranged on the other end of the connecting rod (13), and the marker (14) is used to draw a marking line on the surface of the material (11) to be cut.

9. A cutting device for landscaping engineering construction according to claim 8, characterized in that: The marker (14) comprises: A fixing frame (1401), wherein the fixing frame (1401) is arranged on the connecting rod (13); An arc-shaped frame (1402), the arc-shaped frame (1402) being arranged on the fixed frame (1401); A half gear ring (1403) is slidably disposed on the arc-shaped frame (1402); A drawing pen (1406), arranged on the half gear ring (1403); A driving gear (1404) is rotatably disposed on the fixing frame (1401), the driving gear (1404) is meshed with the half gear ring (1403), and the driving gear (1404) is used to drive the half gear ring (1403) to slide along the outer wall of the arc frame (1402); A driving wheel (1405) is disposed on the fixing frame (1401), the driving wheel (1405) and the driving gear (1404) are in transmission connection, and the driving wheel (1405) is used to drive the driving gear (1404) to rotate.

10. A cutting device for landscaping engineering construction according to claim 2, characterized in that: Also includes: The locking nut (15) is threadedly connected to the power output end of the driver (303). After the saw blade (304) is installed on the power output end of the driver (303), the locking nut (15) is used to fasten the saw blade (304).

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