Bricklaying equipmentTechnical Field
The invention belongs to the technical field of engineering equipment, and particularly relates to brick laying equipment.
Background
The brick blocks need to be manually screened and paved and then piled up, and excessive cement overflows in the piling process and cannot be effectively collected, so that people can explore for a long time and put forward various solutions.
For example, chinese patent literature discloses [ application No.: CN201420365656.9] an integrated device for rapid bricklaying, slurry paving and joint filling, which comprises a fixed main body frame and a bricklaying template capable of moving up and down; the main body frame comprises vertical supports which are vertically and fixedly arranged on the wall foundation, and the vertical supports are arranged at two ends of the wall foundation and are respectively fixed on two side surfaces of the wall foundation; the pair of bricklaying templates are horizontally arranged on two side surfaces of the wall body in an opposite mode, the bricklaying templates at the same end of the wall body are arranged on the vertical supports through clamps, and vertical guide keys for placing bricklaying are arranged on the opposite surfaces of the bricklaying templates; be equipped with the anchor clamps mounting hole on the anchor clamps, prop immediately and go up to be equipped with along vertical direction equidistant and prop the bolt hole immediately, anchor clamps pass through the bolt and prop the bolt hole immediately and anchor clamps mounting hole sets firmly on propping immediately. The utility model discloses the quick brick of laying bricks or stones, spreading thick liquid and caulking of building by laying bricks or stones of realization wall body has improved the work efficiency greatly to guarantee the straightness that hangs down of wall body, effectively avoid causing the wall body quality to be good and uneven, ensured engineering quality, have better popularization and application and worth. .
Above-mentioned scheme still needs the manual work to filter and pile the fragment of brick, has reduced work efficiency.
Disclosure of Invention
The invention aims to solve the problems and provides equipment which has the advantages of screening mixed bricks, spraying cement for stacking, collecting the cement overflowing in the spraying process and the like.
The invention is realized by the following technical scheme: the brick laying equipment comprises supporting plates, wherein the supporting plates are symmetrically arranged, lifting grooves are formed in the supporting plates, sliding rods are arranged in the lifting grooves in a sliding fit mode, brick placing devices for stacking bricks are arranged between the supporting plates in a sliding fit mode, cement smearing devices for smearing and recycling cement are symmetrically arranged on two sides of each brick placing device, brick screening devices for screening and adjusting bricks are arranged on the upper sides of the brick placing devices, sliding devices for back and forth sliding of the brick placing devices, the cement smearing devices and the brick screening devices are arranged between the brick placing devices and the brick placing devices, and lifting devices for lifting the brick placing devices, the cement smearing devices, the brick screening devices and the sliding devices are arranged on one sides of the supporting plates.
According to the technical scheme, the brick placing device comprises a sliding block connected with the supporting plate in a sliding fit mode, a lifting structure used for temporarily lifting bricks is arranged in the sliding block, a lower support is fixedly arranged on the upper side of the sliding block, an upper support is fixedly arranged on the upper side of the lower support, a brick pushing sliding groove is formed in the upper support, a brick pushing motor is arranged in the brick pushing sliding groove in a sliding fit mode, a threaded push rod is dynamically connected to one side of the brick pushing motor, the threaded push rod is in threaded transmission fit with the lower support, and a brick pushing plate is fixedly arranged on one side of the threaded push rod.
Further technical scheme, lift the structure including being located the brick cavity of crossing in the sliding block, it is provided with the sliding shaft hole to cross brick cavity bilateral symmetry, sliding shaft downthehole sliding fit is provided with the sliding shaft, sliding shaft one side normal running fit is provided with the chain piece, the fixed lifting plate that is provided with in chain piece one side, lifting plate symmetry sets up, lifting plate one side is provided with lifting plate boss, lifting plate boss symmetry sets up, lifting plate boss with sliding block normal running fit, the winding of the sliding shaft outside has the spring.
Further technical scheme, the cement plastering device is including being located the box is stored to the cement of sliding block downside, the cement store the box with the sliding block is fixed, the box is stored to cement has a plurality of pneumatic impeller pump intercommunications cross the cement spout in the brick cavity, the fixed cement scraper blade that is provided with of box downside is stored to cement, the fixed useless cement that is provided with of cement scraper blade downside stores the box.
According to the technical scheme, the brick screening device comprises a transverse brick conveying box body located on one side of the lower support, the transverse brick conveying box body is fixed to the lower support, a longitudinal brick conveying box body is fixedly communicated with one side of the transverse brick conveying box body, a plurality of rollers are arranged in the longitudinal brick conveying box body and the transverse brick conveying box body, a screening brick structure used for screening different sizes and types is arranged in the middle of the longitudinal brick conveying box body, and an upper brick structure used for orderly arranging bricks is arranged on one side of the longitudinal brick conveying box body.
Further technical scheme, the sieve brick structure is including being located the brick frame that falls in the middle of the horizontal fortune brick box, fall in the brick frame divide into crisscross two-layer from top to bottom, every in situ symmetry sets up the brick slide that falls, fall the brick slide with brick frame sliding fit falls, fall the fixed brick motor that is provided with in brick frame one side, brick motor one side power connection that falls has the brick screw rod that falls, fall the brick screw rod and fall the cooperation of brick frame commentaries on classics, fall the brick screw rod with brick slide screw thread transmission cooperation falls, fall the fixed incomplete brick collection box that sets up of brick frame downside.
Further technical scheme, go up the brick structure including being located the support of vertical fortune brick box one side, the support with vertical fortune brick box is fixed, the fixed brick box of putting that is provided with in support one side, it is provided with the fragment of brick input subassembly that is used for putting in the fragment of brick interval to put in the brick box, fragment of brick input subassembly downside is provided with fixed slide to one side, fixed slide to one side with it is fixed to put the brick box, it is provided with the pivot of symmetry to put the interior normal running fit of brick box, the pivot outside is provided with the transmission band that sets up is connected to pivot power, vertical fortune brick box one side is provided with transmission motor, transmission motor and one of them pivot power is connected, the fixed a plurality of pieces that rise that are provided with in.
Further technical scheme, the fragment of brick is thrown in the subassembly and is included being located put the input cylinder of brick box both sides, input cylinder symmetry sets up, input cylinder one side is connected with middle throwing board, middle throwing board longitudinal symmetry sets up both sides and throws the board, it is provided with the input connecting rod to throw between board and the both sides throwing board in the middle, throw the board and throw the board normal running fit in the middle of putting the connecting rod and middle and both sides, middle throwing board and both sides are thrown the board bilateral symmetry and are provided with and are put the boss, put the boss with put the spout sliding fit of putting the brick box lateral wall.
According to the technical scheme, the lifting device comprises a lifting block located on one side of the supporting plate, the lifting block is in sliding fit with the sliding rod, a lifting screw rod penetrates through the middle of the lifting block, the lifting screw rod is in threaded transmission fit with the lifting block, a lifting motor is connected to one side of the lifting screw rod in a power connection mode, and the lifting motor is fixed to the supporting plate.
Further technical scheme, the slider is including being located the smooth hole that rises in the sliding block, the smooth hole symmetry that rises sets up, sliding fit is provided with the tight pole that rises in the smooth hole that rises, the fixed tight piece that rises that is provided with in tight pole one side, the tight piece that rises with sliding block elastic connection is provided with the tight spring that rises, the tight piece upside normal running fit connection that rises is provided with rises and tightly takes turns, the tight wheel outside normal running fit that rises is provided with the slip belt, the slip belt both ends normal running fit is provided with the band pulley that slides, the band pulley that slides with the lifter block normal running fit, the band pulley that slides and the tight wheel power connection that rises, one side the band pulley power connection that slides has the motor that slides, the motor that slides with the.
The invention has the beneficial effects that: the brick screening device, put the brick device and the design of displacement device makes the brick fragment place in need pile brick fragment department after being screened accurately, the design of plastering cement is with cement correct spraying in need pile brick fragment department to collect unnecessary cement.
The advantages are as follows:
1. the design of fragment of brick sieving mechanism, wherein, transversely transport the brick box with vertically transport a plurality of that set up in the brick box the cylinder is normal running fit rather than, be provided with between the cylinder fall the brick groove, be in when the fragment of brick is in during the cylinder upside, because the action of gravity, the fragment of brick is in slide on the cylinder, when the fragment of brick process during the sieve brick structure, the fragment of brick that the size is less than required fragment of brick size this moment is because the action of gravity, follows gap between the brick slide that falls drops falls into the box is collected to the incomplete brick, makes equipment effectively separate out not required fragment of brick.
2. The design of cement plastering device, wherein, cement scraper blade one side is provided with the inclined plane, is being close to and piles up wall department and form the blade body, works as put the brick device and piled up a brick and moved when needing to pile up the department next time, the wall is hugged closely to the cement scraper blade and is removed, scrapes into waste water mud storage box with the unnecessary cement that overflows in the wall seam, makes waste water mud obtain collecting, and the wall is neater pleasing to the eye more.
3. The design of the lifting structure is that the supporting plate is elastically supported through the connecting blocks due to the elastic support of the springs on the outer side of the sliding shaft, the brick heads are temporarily supported on the upper side of the supporting plate, when the brick pushing plate pushes bricks in the brick placing device, the springs are compressed, the sliding shaft slides in the sliding shaft holes, and the supporting plate is opened due to the rotation of the connecting blocks, so that the bricks are temporarily stored.
4. The lifting device is characterized in that the lifting block is in threaded fit with the lifting screw, when the equipment is piled up to build a layer of bricks, the lifting motor is started to drive the lifting screw, the lifting block drives the sliding rod and the connecting component of the sliding rod to rise to the height of one brick, and the equipment can be piled up to build multiple layers of bricks.
5. Due to the design of the sliding device, due to the fact that the tension spring on one side is elastically tensioned, the tension wheel is tightly attached to the sliding belt, when the sliding motor is started, the tension wheel, the brick placing device on one side of the tension wheel and the brick placing device upper assembly slide back and forth along the sliding rod, and the lifting devices on the other sides are matched with each other to achieve masonry of the whole wall body.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is a schematic view of the screening apparatus of FIG. 1 according to the present invention;
FIG. 3 is a schematic sectional view of the horizontal brick conveying box body in FIG. 2;
FIG. 4 is a schematic sectional view of the brick placing device and the cement plastering device of FIG. 1 according to the present invention;
FIG. 5 is a schematic view of the lift structure of FIG. 4 in the direction A of the present invention;
FIG. 6 is a schematic illustration of the construction of the screen brick of FIG. 2 according to the present invention;
fig. 7 is a cut-away schematic view of the brick dropping assembly of fig. 2 in accordance with the present invention;
in the figure, abrick placing device 10, acement plastering device 20, abrick screening device 30, alifting device 40, a sliding device 50, asupport plate 101, alifting groove 102, aslide rod 103, alifting block 104, alifting screw 105, alifting motor 106, atension rod 107, atension block 108, atension spring 109, atension wheel 110, asliding belt 111, asliding belt wheel 112, asliding motor 113, abrick falling frame 201, a residualbrick collecting box 202, abracket 203, abrick placing box 204, a rotatingshaft 205, atransmission belt 206, atransmission motor 207, alifting sheet 208, a transversebrick conveying box 301, a longitudinalbrick conveying box 302, aroller 303, asliding block 401, alower bracket 402, an upper bracket, abrick pushing chute 404, abrick pushing motor 405, a threadedpush rod 406, abrick pushing plate 407, acement storage box 408, apneumatic pushing 409, acement jet port 410, acement scraper 411, a wastecement storage box 412, atension sliding hole 413, abrick passing cavity 501 and asliding shaft hole 502, the device comprises asliding shaft 503, alink block 504, alifting plate 505, aspring 506, alifting plate boss 507, a brick falling slidingplate 601, abrick falling motor 602, abrick falling screw 603, athrowing cylinder 701, amiddle throwing plate 702, twoside throwing plates 703, athrowing connecting rod 704, athrowing boss 705, a throwing slidinggroove 706 and a fixed oblique slidingplate 707.
Detailed Description
As shown in fig. 1 to 7, the present invention is explained in detail, and for convenience of description, the following orientations are defined as follows: the up-down, left-right and front-back direction is consistent with the up-down, left-right and front-back direction of the projection relation of the figure 1, the brick laying equipment comprises a supportingplate 101, the supportingplate 101 is symmetrically arranged, alifting groove 102 is arranged in the supportingplate 101, asliding rod 103 is arranged in thelifting groove 102 in a sliding fit manner, brick placingdevices 10 used for stacking bricks are arranged between the supportingplates 101 in a sliding fit manner, cement smearingdevices 20 used for smearing and recycling cement are symmetrically arranged on two sides of each brick placingdevice 10, abrick screening device 30 used for screening and adjusting bricks is arranged on the upper side of each brick placingdevice 10, sliding devices 50 used for sliding the brick placingdevices 10, the cement smearingdevices 20 and thebrick screening devices 30 back and forth are arranged between the supportingplates 101, the brick placingdevices 10 are arranged, acement smearing device 20, abrick screening device 30 and alifting device 40 of a sliding device 50.
Beneficially, the brick placingdevice 10 comprises asliding block 401 arranged in sliding fit connection with the supportingplate 101, a lifting structure for temporarily lifting bricks is arranged in thesliding block 401, alower support 402 is fixedly arranged on the upper side of thesliding block 401, anupper support 403 is fixedly arranged on the upper side of thelower support 402, abrick pushing chute 404 is arranged in theupper support 403, abrick pushing motor 405 is arranged in sliding fit in thebrick pushing chute 404, a threadedpush rod 406 is dynamically connected to one side of thebrick pushing motor 405, the threadedpush rod 406 is in threaded transmission fit with thelower support 402, and abrick pushing plate 407 is fixedly arranged on one side of the threadedpush rod 406, so that the device can place bricks at a place needing to be placed.
Beneficially, the lifting structure comprises abrick passing cavity 501 located in thesliding block 401, slidingshaft holes 502 are symmetrically formed in two sides of thebrick passing cavity 501, slidingshafts 503 are arranged in thesliding shaft holes 502 in a sliding fit mode,link blocks 504 are arranged on one sides of the slidingshafts 503 in a rotating fit mode,lifting plates 505 are fixedly arranged on one sides of thelink blocks 504, thelifting plates 505 are symmetrically arranged,lifting plate bosses 507 are arranged on one sides of thelifting plates 505 and are symmetrically arranged, thelifting plate bosses 507 are in rotating fit with thesliding block 401, andsprings 506 are wound on the outer sides of the slidingshafts 503, so that bricks can be lifted above places needing to be placed temporarily to wait for placement.
Advantageously, theplastering device 20 comprises acement storage box 408 located at the lower side of thesliding block 401, thecement storage box 408 is fixed with thesliding block 401, thecement storage box 408 is provided with a plurality ofpneumatic push pumps 409 which are connected withcement spraying holes 410 in thebrick cavity 501, acement scraping plate 411 is fixedly arranged at the lower side of thecement storage box 408, and a wastecement storage box 412 is fixedly arranged at the lower side of thecement scraping plate 411, so that the equipment can spray cement on the surface of the brick and collect overflowed cement.
Beneficially, thebrick screening device 30 comprises a transverse brickconveying box body 301 located on one side of alower support 402, the transverse brickconveying box body 301 is fixed to thelower support 402, a longitudinal brickconveying box body 302 is fixedly communicated with one side of the transverse brickconveying box body 301, a plurality ofrollers 303 are arranged in the longitudinal brickconveying box body 302 and the transverse brickconveying box body 301, a sieve brick structure used for screening different sizes and types is arranged in the middle of the longitudinal brickconveying box body 302, and an upper brick structure used for orderly arranging bricks is arranged on one side of the longitudinal brickconveying box body 302, so that the bricks are conveyed to the brick placingdevice 10 to wait for placement.
Beneficially, wherein, the brick screening structure comprises abrick falling frame 201 located in the middle of the transverse brickconveying box body 301, the interior of thebrick falling frame 201 is divided into two layers which are staggered up and down, brick fallingsliding plates 601 are symmetrically arranged in each layer, the brick fallingsliding plates 601 are in sliding fit with thebrick falling frame 201, abrick falling motor 602 is fixedly arranged on one side of thebrick falling frame 201, abrick falling screw 603 is dynamically connected to one side of thebrick falling motor 602, thebrick falling screw 603 is in rotating fit with thebrick falling frame 201, thebrick falling screw 603 is in threaded transmission fit with the brick fallingsliding plates 601, and a residualbrick collecting box 202 is fixedly arranged on the lower side of thebrick falling frame 201, so that bricks of different specifications can be.
Beneficially, the brick loading structure comprises asupport 203 located on one side of a longitudinal brickconveying box body 302, thesupport 203 is fixed with the longitudinal brickconveying box body 302, abrick placing box 204 is fixedly arranged on one side of thesupport 203, a brick placing component for placing bricks at intervals is arranged in thebrick placing box 204, a fixed obliquesliding plate 707 is arranged on the lower side of the brick placing component, the fixed obliquesliding plate 707 is fixed with thebrick placing box 204, symmetrical rotatingshafts 205 are arranged in thebrick placing box 204 in a rotating fit mode,transmission belts 206 for connecting the rotatingshafts 205 in a power mode are arranged on the outer side of the rotatingshafts 205, atransmission motor 207 is arranged on one side of the longitudinal brickconveying box body 302, thetransmission motor 207 is in power connection with one of the rotatingshafts 205, and a plurality oflifting pieces 208 are fixedly arranged on the outer.
Beneficially, the brick releasing assembly comprises releasingcylinders 701 located on two sides of thebrick releasing box 204, the releasingcylinders 701 are symmetrically arranged, one side of each releasingcylinder 701 is connected with a middlereleasing plate 702, themiddle releasing plate 702 is vertically symmetrically provided with twoside releasing plates 703, a releasing connectingrod 704 is arranged between themiddle releasing plate 702 and the twoside releasing plates 703, the releasing connectingrod 704 is in running fit with the middlereleasing plate 702 and the twoside releasing plates 703, releasingbosses 705 are symmetrically arranged on two sides of themiddle releasing plate 702 and the twoside releasing plates 703, and the releasingbosses 705 are in sliding fit with releasingchutes 706 on the side walls of thebrick releasing box 204, so that bricks can enter the brick loading structure in order.
Advantageously, thelifting device 40 comprises alifting block 104 positioned on one side of the supportingplate 101, thelifting block 104 is in sliding fit with thesliding rod 103, thelifting block 104 passes through alifting screw 105 in the middle, thelifting screw 105 is in threaded transmission fit with thelifting block 104, alifting motor 106 is in power connection with one side of thelifting screw 105, and thelifting motor 106 is fixed with the supportingplate 101, so that the equipment can be used for building walls with various heights.
Beneficially, the sliding device 50 includes atensioning slide hole 413 located in theslide block 401, thetensioning slide hole 413 is symmetrically arranged, atensioning rod 107 is arranged in thetensioning slide hole 413 in a sliding fit manner, atensioning block 108 is fixedly arranged on one side of thetensioning rod 107, atensioning spring 109 is arranged on thetensioning block 108 and theslide block 401 in an elastic connection manner, atensioning wheel 110 is arranged on thetensioning block 108 in a rotating fit manner, asliding belt 111 is arranged on the outer side of thetensioning wheel 110 in a rotating fit manner, slidingbelt wheels 112 are arranged at two ends of thesliding belt 111 in a rotating fit manner, thesliding belt wheels 112 are in rotating fit with thelifting block 104, thesliding belt 111 dynamically connects thesliding belt wheels 112 and thetensioning wheel 110, thesliding belt wheels 112 on one side are dynamically connected with a slidingmotor 113, and the slidingmotor 113 is fixed to thelifting block 104.
In an initial state, the device, the assembly and the structure are in a stop working state, bricks which are mixed are loaded in the brick placingbox 204, cement which is needed for building a wall is loaded in thecement storage box 408, the supportingplate 101 is placed on the ground and adjusted to two sides of the wall surface which needs to be built, and thepneumatic push pump 409 and thethrowing cylinder 701 are connected with an adjustable external air pump.
When the device works, thethrowing cylinder 701 is started, thethrowing cylinder 701 drives themiddle throwing plate 702 with one fixed side to open towards one side of thethrowing cylinder 701, thethrowing boss 705 slides in thethrowing chute 706, the twoside throwing plates 703 are tightened in the middle of the twoside throwing plates 703 due to the connection of thethrowing connecting rod 704, bricks on themiddle throwing plate 702 fall to the fixed obliquesliding plate 707, the other bricks on the upper side are clamped by the twoside throwing plates 703, the bricks slide to thetransmission belt 206 through the fixed obliquesliding plate 707, thetransmission motor 207 is started, thetransmission belt 206 is driven to rotate by thetransmission motor 207, therising piece 208 on the surface of thetransmission belt 206 lifts the bricks one by one and transports the bricks to theroller 303 in the longitudinal bricktransporting box body 302, thebrick dropping motor 602 on one side of thebrick dropping frame 201 is started at the moment due to the action of gravity, thebrick dropping screw 603 dynamically connected with one side of thebrick dropping motor 602 drives the brick droppingslide plate 601 thereon to, adjusting the distance between the brick fallingsliding plates 601, wherein bricks with the size smaller than the size of the required bricks fall from gaps between the brick fallingsliding plates 601 under the action of gravity and fall into the residual brick collecting box, so that the equipment can effectively separate the bricks which are not required, the intact bricks slide into thelower bracket 402, the upper part of the supportingplate 505 is arranged above thecement storage box 408, the cement in thecement storage box 408 is pressurized by thepneumatic push pump 409 and then is uniformly sprayed on the brick to be stacked, thebrick pushing motor 405 is started, thebrick pushing motor 405 drives the threadedpush rod 406 to rotate, due to the threaded transmission fit of the threadedpush rod 406 and thelower bracket 402, thebrick pushing plate 407 on one side of the threadedpush rod 406 is pushed downwards, thebrick pushing motor 405 slides in thebrick pushing chute 404, the bricks are pushed from top to bottom by thebrick pushing plate 407, thelifting plate 505 is extruded by the extruded bricks, and thelifting plate boss 507 and. Thelifting plate 505 is rotated to be opened, thelink block 504 rotates around theslide shaft 503, theslide shaft 503 slides in theslide shaft hole 502, thespring 506 is extruded, bricks are pressed to the positions where the bricks need to be stacked, thelifting motor 106 is started to drive thelifting screw 105 to rotate, due to the fact that thelifting screw 105 is in threaded transmission fit with thelifting block 104, thelifting block 104 drives theslide rod 103 and a structure connected with theslide rod 103 to ascend, due to the fact that the upper-side bricks are placed on the lower-side bricks and cement is extruded, thecement scraper 411 scrapes the cement extruded and overflowed from the bricks to flow into the wastecement storage box 412, thebrick pushing motor 405 rotates reversely, thebrick pushing plate 407 ascends, thespring 506 is restored, theslide shaft 503 slides in theslide shaft hole 502, the supportingplate 505 rotates around thelink block 504, and the equipment restores to the.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the drawings mostly use thebrick placing device 10, thecement plastering device 20, thebrick screening device 30, thelifting device 40, the sliding device 50, thesupport plate 101, thelifting groove 102, thesliding rod 103, thelifting block 104, thelifting screw 105, thelifting motor 106, thetension rod 107, thetension block 108, thetension spring 109, thetension wheel 110, thesliding belt 111, thesliding belt wheel 112, thesliding motor 113, thebrick falling frame 201, the residualbrick collecting box 202, thebracket 203, thebrick placing box 204, therotating shaft 205, theconveying belt 206, the conveyingmotor 207, thelifting sheet 208, the transversebrick conveying box 301, the longitudinalbrick conveying box 302, theroller 303, thesliding block 401, thelower bracket 402, theupper bracket 403, thebrick pushing chute 404, thebrick pushing motor 405, the threadedpush rod 406, thebrick pushing plate 407, thecement storage box 408, thepneumatic pushing pump 409, thecement spout 410, thecement scraping plate 411, the wastecement storage box 412, thetension sliding hole 413, the brick-passingcavity 501, thesliding shaft hole 502, thesliding shaft 503, thelink block 504, thelifting plate 505, thespring 506, thelifting plate boss 507, the brick-fallingsliding plate 601, the brick-fallingmotor 602, the brick-fallingscrew 603, thethrowing cylinder 701, themiddle throwing plate 702, the twoside throwing plates 703, thethrowing connecting rod 704, thethrowing boss 705, thethrowing chute 706, the fixed oblique slidingplate 707 and other terms are used, but the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.