High temperature and high voltage resistant cable winding equipment convenient to cutTechnical Field
The invention relates to the technical field of cable cutting and winding, in particular to a high-temperature and high-voltage resistant cable winding device convenient to cut.
Background
The cable is an electric energy or signal transmission device, usually a cable similar to a rope formed by twisting several or several groups of wires, each group is at least two, the wires of each group are mutually insulated and are usually twisted around a center, the whole outside is coated with a highly-insulated covering layer, the cable has the characteristics of internal electrification and external insulation, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, and the cables consist of single-strand or multi-strand wires and an insulating layer and are used for connecting a circuit and an electric appliance.
However, traditional cable roll-up device function singleness is because the heavy inconvenient support and the dismantlement that carry on of roll-up section of thick bamboo when placing the roll-up section of thick bamboo, and the cable after the roll-up simultaneously needs the staff to cut the cable manually when using, carries inconveniently, and the operation is inconvenient when shearing simultaneously, causes physical efficiency to the efficiency of cable roll-up and shearing has been reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the winding equipment of the high-temperature and high-voltage resistant cable, which is convenient to cut.
The technical scheme adopted by the invention for solving the technical problems is as follows: a high-temperature and high-voltage resistant cable winding device convenient to cut comprises a conveying mechanism, a winding mechanism, a limiting mechanism, a clamping mechanism, a cutting mechanism and a rotating mechanism, wherein the winding mechanism used for facilitating winding and storage of a cable is mounted on the top side of one end of the conveying mechanism used for facilitating conveying of the cable; the limiting mechanism used for conveniently fixing and limiting the winding mechanism is arranged in the winding mechanism; a clamping mechanism for conveniently clamping and fixing the cable is arranged at the center of the top side of the transportation mechanism; a cutting mechanism for quickly cutting the cable is arranged inside the top side of the clamping mechanism; and the top side of the other end of the transportation mechanism is provided with the rotating mechanism which is convenient for the rolling mechanism to roll and move.
Specifically, the conveying mechanism comprises a bottom plate, a baffle, handles, universal wheels and a first spring, wherein the baffle is arranged on the top side of one end of the bottom plate, one sides of the two handles are respectively connected with two sides of one end of the bottom plate, the two handles are of inverted L-shaped structures, and two sides of the baffle are connected with the side walls of the handles; four universal wheels are respectively arranged in the four corners of the bottom side of the bottom plate, and the bottom sides of the universal wheels extend to the outside of the bottom side of the bottom plate; the four first springs are respectively arranged inside the four corners of the bottom side of the bottom plate, and the universal wheels are respectively connected with the inside of the bottom plate in a sliding mode through the first springs.
Specifically, the winding mechanism comprises supporting seats, a motor, a first screw rod, a first clamping sleeve, a second clamping sleeve, a disc, a rotating shaft and a crank, wherein the bottom sides of the two supporting seats are respectively connected with the two sides of the top of the bottom plate, and the supporting seats are of an A-shaped structure; the first clamping sleeves are mounted inside the supporting seat in a sliding mode, and the top sides of the first clamping sleeves extend to the outside of the top sides of the supporting seat; one end of the top side of the first cutting sleeve is rotatably connected with one end of the bottom side of the second cutting sleeve, and the opposite sides of the first cutting sleeve and the second cutting sleeve are both in a C-shaped structure; the motors are mounted on the bottom sides of the two supporting seats, and the insides of the top sides of the motors are rotatably connected with the bottom of the first screw rod; the top of the first screw rod passes through the inside of the supporting seat and is in threaded connection with the inside of the first clamping sleeve, and the first screw rod is rotatably connected with the inside of the supporting seat; two ends of the rotating shaft are clamped with the first clamping sleeve and the second clamping sleeve, and the inner centers of the two discs are connected with two ends of the rotating shaft respectively; the crank is installed on one side of the rotating shaft, and the crank is detachably connected with the inside of the rotating shaft.
Specifically, the limiting mechanism comprises clamping grooves, clamping pins, second springs and a handle, the clamping grooves are formed in the inner parts of one sides of the two first clamping sleeves, the two second springs are arranged in the inner parts of the second clamping sleeves, and the two clamping pins are arranged in the inner parts of the second clamping sleeves; one end of the clamping pin passes through the inside of the second spring and is clamped with the clamping groove, and the other end of the clamping pin extends to the outside of one side of the second clamping sleeve and is in sliding connection with the inside of the second clamping sleeve; the handle is installed to the other end of draw-in groove.
Specifically, the clamping mechanism comprises a fixed seat, a sliding chute, a clamping block, a second screw rod, a fixed block and a roller, the fixed seat is installed at the center of the top side of the bottom plate, and the sliding chute is arranged at the center of the fixed seat; one side of the sliding groove is of an inverted C-shaped structure, and two sides of the sliding groove respectively extend to the outer parts of two sides of the fixed seat; the top side of the fixture block is in sliding connection with the inside of the fixed seat, and the fixture block is in a C-shaped structure; the roller is mounted on the bottom side of the clamping block and is in rolling connection with the inside of the fixed seat; one end of the second lead screw is connected with the inside of the fixing seat through the fixing seat and the clamping block in a rotating mode, the lead screw is connected with the inside of the clamping block through threads, and the fixing block is installed at the other end of the second lead screw.
Specifically, the cutting mechanism comprises a supporting block, a pressing plate, a through hole, a sliding plate, a bump, a third spring, a blade and a rubber sleeve, wherein the bottom side of the supporting block is connected with one end of the top side of the fixed seat, and one end of the pressing plate is rotatably connected with the inside of the supporting block; the other end of the pressing plate is provided with the through hole, and the convex block is connected with the inside of the pressing plate in a sliding manner through the through hole; one side of the convex block is connected with the top of one side of the sliding plate, the sliding plate is of an inverted T-shaped structure, and the sliding plate is connected with the inside of one end of the fixed seat in a sliding manner; two ends of the bottom side of the sliding plate are respectively connected with one end of the third spring, and the other end of the third spring is connected with the inside of the fixed seat; the blade is arranged at the center of the bottom side of the sliding plate, and the bottom side of the blade extends to the outside of the fixed seat; the other end of the pressing plate is provided with the rubber sleeve, and the rubber sleeve is of a cylindrical structure.
Specifically, the rotating mechanism comprises a placing groove, a rotating plate, a clamping plate and a fourth spring, the placing groove is formed in one end of the top side of the bottom plate, the rotating plate is arranged inside the placing groove, and one end of the rotating plate is rotatably connected with the inside of one end of the bottom plate; the top of the clamping plate passes through the rotating plate and is clamped with the inner part of the bottom plate, and the clamping plate is of a J-shaped structure; one ends of the four fourth springs are respectively connected with two sides of one end of the clamping plate, and the clamping plate is connected with the inner part of the rotating plate in a sliding mode through the fourth springs.
The invention has the beneficial effects that:
(1) according to the high-temperature and high-pressure resistant cable winding equipment convenient to cut, one end of the conveying mechanism is connected with the rotating mechanism, when the cable needs to be wound, the winding mechanism is convenient to carry through the rotating mechanism, the cables in different areas are convenient to wind through the conveying mechanism, and the operation is convenient; namely: the convenient cable to bottom plate top side of passing through the handle transports, the universal wheel of bottom plate bottom side can reduce the friction power on bottom plate and ground, the inside first spring of bottom plate plays absorbing effect in the transportation simultaneously, prevent to jolt and make the cable rock and drop, through the slip cardboard, make cardboard and bottom plate separation, thereby conveniently rotate and change the board, the rethread rotates and changes the board, will change the board and follow the outside that the inside of standing groove turned to the bottom plate, and make the one end of changeing the board contradict with ground, the convenient top side of rolling to the base through changeing the board with the disc.
(2) According to the winding equipment for the high-temperature and high-voltage resistant cable convenient to cut, the limiting mechanism is arranged inside the winding mechanism, the cable can be wound conveniently through the winding mechanism, before winding, the limiting mechanism inside the winding mechanism can play a role in fixing and limiting the winding mechanism, and the winding mechanism is prevented from sliding and shaking in the winding process; namely: the cable can be conveniently reeled through the supporting seat, the disc and the rotating shaft play a supporting role, then the rotating shaft is respectively clamped with the first clamping sleeve and the second clamping sleeve, so that the rotating shaft is fixed, the first lead screw can be rotated under the action of the motor, the first clamping sleeve slides under the action of the first lead screw, so that the supporting role is played, the rotating shaft is rotated under the action of the crank through rotating the crank, so that the cable is reeled, the discs at two ends of the rotating shaft are prevented from sliding from two ends of the rotating shaft in the reeling process, the clamping pin slides under the action of the second spring through rotating the second clamping sleeve, so that the clamping pin and the clamping groove are conveniently clamped, the first clamping sleeve and the second clamping sleeve are connected for limiting, so that the clamping role is played for the rotating shaft, when the limiting is required to be relieved, the handle is pulled, the clamping pin is driven to slide by the handle, thereby facilitating the separation of the bayonet lock and the clamping groove.
(3) According to the high-temperature and high-pressure resistant cable winding equipment convenient to cut, the cutting mechanism is arranged inside the clamping mechanism, the cable to be cut is clamped and fixed through the clamping mechanism and then cut through the cutting mechanism, operation is convenient, and physical strength is saved; namely: pass through the spout with the one end of cable, the rethread rotates the fixed block, thereby make the second lead screw rotate, make the fixture block slide in the inside of fixing base under the effect of second lead screw, thereby with the cable block in the inside of fixed axle, make things convenient for follow-up cutting, can play the effect of support to the clamp plate through the supporting shoe, press down the clamp plate afterwards, make the slide lapse under the effect of lug and through-hole, the blade downstream under the effect of slide afterwards, thereby the convenience is cut the cable that the block is fixed, high durability and convenient operation, save physical power, the rubber sleeve of clamp plate one end can be pressing the in-process increase friction power, play the effect of protection hand simultaneously.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of an overall structure of a winding device for a high-temperature and high-pressure resistant cable convenient to cut according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the connection structure of the transportation mechanism, the winding mechanism and the engaging mechanism shown in FIG. 1;
FIG. 3 is a schematic view of a connection structure between the transportation mechanism and the engaging mechanism shown in FIG. 1;
FIG. 4 is an enlarged view of the part A shown in FIG. 2;
FIG. 5 is an enlarged view of the structure of the portion B shown in FIG. 2;
FIG. 6 is an enlarged view of the structure of the portion C shown in FIG. 2;
fig. 7 is an enlarged view of the structure of the portion D shown in fig. 3.
In the figure: 1. the device comprises a conveying mechanism, 11, a bottom plate, 12, a baffle plate, 13, a handle, 14, a universal wheel, 15, a first spring, 2, a winding mechanism, 21, a supporting seat, 22, a motor, 23, a first screw rod, 24, a first clamping sleeve, 25, a second clamping sleeve, 26, a disc, 27, a rotating shaft, 28, a crank, 3, a limiting mechanism, 31, a clamping groove, 32, a clamping pin, 33, a second spring, 34, a handle, 4, a clamping mechanism, 41, a fixed seat, 42, a sliding groove, 43, a clamping block, 44, a second screw rod, 45, a fixed block, 46, a roller, 5, a cutting mechanism, 51, a supporting block, 52, a pressing plate, 53, a through hole, 54, a sliding plate, 55, a convex block, 56, a third spring, 57, a blade, 58, a rubber sleeve, 6, a rotating mechanism, 61, a placing groove, 62, a rotating plate, a 63, a clamping plate, 64 and a.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, the winding device for a high-temperature and high-voltage resistant cable convenient to cut, provided by the invention, comprises atransportation mechanism 1, awinding mechanism 2, alimiting mechanism 3, aclamping mechanism 4, acutting mechanism 5 and a rotating mechanism 6, wherein thewinding mechanism 2 for winding and storing the cable is arranged on the top side of one end of thetransportation mechanism 1 for transporting the cable conveniently; thelimiting mechanism 3 used for conveniently fixing and limiting thewinding mechanism 2 is arranged in thewinding mechanism 2; aclamping mechanism 4 for conveniently clamping and fixing the cable is arranged at the center of the top side of thetransportation mechanism 1; acutting mechanism 5 for quickly cutting the cable is arranged inside the top side of theclamping mechanism 4; and the top side of the other end of thetransportation mechanism 1 is provided with the rotating mechanism 6 which is convenient for thefurling mechanism 2 to roll and move.
Specifically, thetransportation mechanism 1 comprises abottom plate 11, abaffle plate 12,handles 13,universal wheels 14 and afirst spring 15, wherein thebaffle plate 12 is installed on the top side of one end of thebottom plate 11, one sides of the twohandles 13 are respectively connected with two sides of one end of thebottom plate 11, the twohandles 13 are both in an inverted L-shaped structure, and two sides of thebaffle plate 12 are both connected with the side walls of thehandles 13; fouruniversal wheels 14 are respectively mounted in four corners of the bottom side of thebottom plate 11, and the bottom sides of theuniversal wheels 14 extend to the outside of the bottom side of thebottom plate 11; the fourfirst springs 15 are respectively installed inside four corners of the bottom side of thebottom plate 11, theuniversal wheels 14 are respectively connected with the inside of thebottom plate 11 through thefirst springs 15 in a sliding manner, thehandle 13 facilitates transportation of cables on the top side of thebottom plate 11, theuniversal wheels 14 on the bottom side of thebottom plate 11 can reduce friction force between thebottom plate 11 and the ground, and meanwhile, thefirst springs 15 inside thebottom plate 11 play a role in shock absorption in the transportation process, so that the cables are prevented from being bumped and shaking down.
Specifically, thewinding mechanism 2 includes asupport seat 21, a motor 22, afirst screw 23, afirst cutting ferrule 24, asecond cutting ferrule 25, adisc 26, arotating shaft 27 and acrank 28, bottom sides of the twosupport seats 21 are respectively connected with two sides of the top of thebottom plate 11, and thesupport seats 21 are in an "a" shape; thefirst clamping sleeves 24 are slidably mounted inside the supportingseat 21, and the top sides of thefirst clamping sleeves 24 extend to the outside of the top sides of the supportingseat 21; one end of the top side of thefirst cutting sleeve 24 is rotatably connected with one end of the bottom side of thesecond cutting sleeve 25, and one side of thefirst cutting sleeve 24 opposite to one side of thesecond cutting sleeve 25 is of a C-shaped structure; the motors 22 are mounted on the bottom sides of the twosupport seats 21, and the insides of the top sides of the motors 22 are rotatably connected with the bottoms of thefirst screw rods 23; the top of thefirst screw 23 passes through the inside of thesupport seat 21 and is in threaded connection with the inside of thefirst clamping sleeve 24, and thefirst screw 23 is rotatably connected with the inside of thesupport seat 21; both ends of the rotatingshaft 27 are clamped with thefirst clamping sleeve 24 and thesecond clamping sleeve 25, and the inner centers of the twodiscs 26 are respectively connected with both ends of therotating shaft 27; thecrank 28 is installed at one side of therotating shaft 27, and thecrank 28 is detachably connected with the inside of therotating shaft 27, the cable can be conveniently furled through the supportingseat 21, thedisc 26 and the rotatingshaft 27 play a supporting role, and then the rotatingshaft 27 is respectively clamped with thefirst clamping sleeve 24 and thesecond clamping sleeve 25, thereby fixing the rotatingshaft 27, and then thefirst screw 23 can be rotated by the motor 22, thefirst cutting sleeve 24 slides under the action of thefirst screw 23, thereby playing a supporting role, and then by rotating thecrank 28, the rotatingshaft 27 is rotated by thecrank 28, thereby functioning to take up the cable, thedisks 26 at both ends of the rotatingshaft 27 prevent the cable from sliding off from both ends of the rotatingshaft 27 during the winding process.
Specifically, thelimiting mechanism 3 includes aclamping groove 31, twoclamping pins 32, twosecond springs 33 and ahandle 34, theclamping groove 31 is arranged inside one side of each of the twofirst clamping sleeves 24, the twosecond springs 33 are arranged inside thesecond clamping sleeve 25, and the twoclamping pins 32 are mounted inside thesecond clamping sleeve 25; one end of thebayonet 32 passes through the inside of thesecond spring 33 and is clamped with thebayonet 31, and the other end of thebayonet 32 extends to the outside of one side of thesecond ferrule 25 and is connected with the inside of thesecond ferrule 25 in a sliding manner; thehandle 34 is installed at the other end of thecard slot 31, thebayonet 32 slides under the action of thesecond spring 33 by rotating thesecond ferrule 25, so that thebayonet 32 is conveniently clamped with thecard slot 31, thefirst ferrule 24 and thesecond ferrule 25 are connected and limited, so that therotating shaft 27 is clamped, and when the limitation needs to be relieved, thehandle 34 is pulled to drive thebayonet 32 to slide, so that thebayonet 32 is conveniently separated from thecard slot 31.
Specifically, theclamping mechanism 4 includes a fixedseat 41, asliding groove 42, aclamping block 43, asecond screw 44, afixed block 45 and aroller 46, the fixedseat 41 is installed at the center of the top side of thebottom plate 11, and thesliding groove 42 is arranged at the center of the fixedseat 41; one side of thesliding groove 42 is an inverted "C" shaped structure, and two sides of thesliding groove 42 respectively extend to the outside of two sides of thefixing seat 41; the top side of thefixture block 43 is slidably connected with the inside of thefixing seat 41, and thefixture block 43 is in a C-shaped structure; theroller 46 is mounted on the bottom side of theclamping block 43, and theroller 46 is in rolling connection with the inside of the fixedseat 41; one end of thesecond lead screw 44 is connected with the fixedseat 41, thefixture block 43 and the fixedseat 41 in a rotating mode, the lead screw is connected with thefixture block 43 in a threaded mode, thefixed block 45 is mounted at the other end of thesecond lead screw 44, one end of a cable is connected with thechute 42, and thefixed block 45 is rotated through rotation of thechute 42, so that thesecond lead screw 44 rotates, thefixture block 43 is made to slide in thefixed seat 41 under the action of thesecond lead screw 44, the cable is clamped in the fixed shaft, and subsequent cutting is facilitated.
Specifically, thecutting mechanism 5 includes a supportingblock 51, apressing plate 52, a throughhole 53, asliding plate 54, aprotrusion 55, athird spring 56, ablade 57 and arubber sleeve 58, wherein the bottom side of the supportingblock 51 is connected with one end of the top side of the fixedseat 41, and one end of thepressing plate 52 is rotatably connected with the inside of the supportingblock 51; the other end of thepressing plate 52 is provided with thethrough hole 53, and thebump 55 is connected with the inside of thepressing plate 52 in a sliding manner through the throughhole 53; one side of theprojection 55 is connected with the top of one side of thesliding plate 54, thesliding plate 54 is of an inverted T-shaped structure, and thesliding plate 54 is connected with the inside of one end of the fixedseat 41 in a sliding manner; both ends of the bottom side of thesliding plate 54 are respectively connected with one end of thethird spring 56, and the other end of thethird spring 56 is connected with the inside of the fixedseat 41; theblade 57 is arranged at the center of the bottom side of thesliding plate 54, and the bottom side of theblade 57 extends to the outside of thefixed seat 41; therubber sleeve 58 is arranged at the other end of thepressing plate 52, therubber sleeve 58 is of a cylindrical structure, thepressing plate 52 can be supported through the supportingblock 51, then thepressing plate 52 is pressed, thesliding plate 54 slides downwards under the action of theprotruding block 55 and the throughhole 53, then theblade 57 moves downwards under the action of thesliding plate 54, accordingly, the clamping and fixing of cables can be conveniently cut, the operation is convenient, physical strength is saved, and therubber sleeve 58 at one end of thepressing plate 52 can increase friction force in the pressing process and meanwhile plays a role in protecting hands.
Specifically, the rotating mechanism 6 comprises a placinggroove 61, arotating plate 62, aclamping plate 63 and afourth spring 64, the placinggroove 61 is arranged at one end of the top side of thebottom plate 11, therotating plate 62 is arranged inside the placinggroove 61, and one end of therotating plate 62 is rotatably connected with the inside of one end of thebottom plate 11; the top of theclamping plate 63 passes through therotating plate 62 and is clamped with the inside of thebottom plate 11, and theclamping plate 63 is of a J-shaped structure; one end of each of the fourfourth springs 64 is connected to two sides of one end of thecorresponding clamping plate 63, theclamping plates 63 are slidably connected to the inside of the correspondingrotating plate 62 through thefourth springs 64, theclamping plates 63 are separated from thebottom plate 11 through sliding of thecorresponding clamping plates 63, so that therotating plates 62 are conveniently rotated, therotating plates 62 are rotated to the outside of thebottom plate 11 from the inside of thecorresponding placing groove 61 through rotating of the correspondingrotating plates 62, one end of eachrotating plate 62 is abutted to the ground, and thedisc 26 is conveniently rolled to the top side of the base through the correspondingrotating plates 62.
When the cable transportation device is used, firstly, cables on the top side of thebottom plate 11 can be conveniently transported through thehandle 13, theuniversal wheel 14 on the bottom side of thebottom plate 11 can reduce friction force between thebottom plate 11 and the ground, meanwhile, thefirst spring 15 in thebottom plate 11 plays a role in shock absorption in the transportation process, the cable is prevented from shaking and falling off due to bumping, thesnap plate 63 is separated from thebottom plate 11 through sliding thesnap plate 63, so that therotating plate 62 is conveniently rotated, then, therotating plate 62 is rotated to rotate from the inside of the placinggroove 61 to the outside of thebottom plate 11 through rotating therotating plate 62, one end of therotating plate 62 is abutted against the ground, thedisc 26 is conveniently rolled to the top side of the base through therotating plate 62, the cable can be conveniently rolled through the supportingseat 21, and thedisc 26 and the rotatingshaft 27 play a role in supporting, then the rotatingshaft 27 is respectively clamped with thefirst clamping sleeve 24 and thesecond clamping sleeve 25, so as to fix the rotatingshaft 27, thefirst lead screw 23 can be rotated by the action of the motor 22, thefirst clamping sleeve 24 slides under the action of thefirst lead screw 23, so as to play a role in supporting, therotating shaft 27 rotates under the action of thecrank 28 by rotating thecrank 28, so as to play a role in reeling the cable, thediscs 26 at two ends of the rotatingshaft 27 prevent the cable from sliding off from two ends of the rotatingshaft 27 during reeling, thebayonet 32 slides under the action of thesecond spring 33 by rotating thesecond clamping sleeve 25, so as to conveniently clamp thebayonet 32 with thebayonet groove 31, and connect and limit thefirst clamping sleeve 24 and thesecond clamping sleeve 25, so as to play a role in clamping therotating shaft 27, when the limit needs to be relieved, thehandle 34 is pulled, thehandle 34 drives thebayonet 32 to slide, so that thebayonet 32 is conveniently separated from thebayonet 31, one end of a cable passes through thesliding groove 42, then thefixing block 45 is rotated, so that thesecond screw rod 44 rotates, theclamping block 43 slides in thefixing seat 41 under the action of thesecond screw rod 44, so that the cable is clamped in the fixing shaft, so that the subsequent cutting is convenient, the supportingblock 51 can support thepressing plate 52, then thepressing plate 52 is pressed, thesliding plate 54 slides downwards under the action of theprojection 55 and the throughhole 53, then theblade 57 moves downwards under the action of thesliding plate 54, so that the clamped and fixed cable is conveniently cut, the operation is convenient, the physical strength is saved, therubber sleeve 58 at one end of thepressing plate 52 can increase friction force in the pressing process, and simultaneously plays a role in protecting hands.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.