阅读说明：本技术 一种建筑用混凝土破碎机 (Concrete breaker for building ) 是由 温林坤 于 2021-01-11 设计创作，主要内容包括：本发明涉及建筑附属装置的技术领域,具体是一种建筑用混凝土破碎机,包括加工箱,所述加工箱下侧四个拐角位置设置有滚轮,加工箱底端内壁上设置有收集槽,加工箱顶部左端内壁上设置有制热箱,制热箱顶端外壁上设置有贯穿加工箱内壁并延伸至外部的进料口。本发明结构新颖,通过设置石墨加热板、加热器、破碎箱、驱动电机、连接杆、喷头、第一水泵、第一出水管、第二出水管、固定板和破碎锤,可以利用混凝土热胀冷缩的性质对大块混凝土进行初步破碎,便于混凝土的后续处理,通过设置粉碎箱、旋转电机和粉碎齿轮,可以对体积较小的混凝土进行良好的破碎且破碎效果较好,提高了工作效率。(The invention relates to the technical field of building auxiliary devices, in particular to a concrete crusher for buildings, which comprises a processing box, wherein four corners of the lower side of the processing box are provided with idler wheels, the inner wall of the bottom end of the processing box is provided with a collecting groove, the inner wall of the left end of the top of the processing box is provided with a heating box, and the outer wall of the top end of the heating box is provided with a feeding hole which penetrates through the inner wall of the processing box and extends to the outside. The concrete crusher is novel in structure, large concrete can be crushed primarily by using the properties of expansion caused by heat and contraction caused by cold of the concrete through the arrangement of the graphite heating plate, the heater, the crushing box, the driving motor, the connecting rod, the spray head, the first water pump, the first water outlet pipe, the second water outlet pipe, the fixing plate and the crushing hammer, the subsequent treatment of the concrete is facilitated, the concrete with smaller volume can be crushed well through the arrangement of the crushing box, the rotating motor and the crushing gear, the crushing effect is better, and the working efficiency is improved.)

1. A concrete crusher for buildings comprises a processing box (1), rollers (47) are arranged at four corner positions at the lower side of the processing box (1), a collecting tank (31) is arranged on the inner wall at the bottom end of the processing box (1), a heating box (2) is arranged on the inner wall at the left end of the top of the processing box (1), a feeding port (5) which penetrates through the inner wall of the processing box (1) and extends to the outside is arranged on the outer wall at the top end of the heating box (2), the concrete crusher is characterized in that a heater (4) is arranged on the inner wall at the bottom end of the heating box (2), a graphite heating plate (3) which is obliquely arranged is arranged on the outer wall at the top end of the heater (4), a material guide pipe (6) is arranged on the outer wall at the middle part at the right side of the heating box (2), a control valve is arranged inside the material guide pipe (6), and, the inner wall of the top of the crushing box (7) is symmetrically provided with a supporting plate (8) in the front-back direction, the outer side wall of the supporting plate (8) is provided with a driving motor (9), the output end of the driving motor (9) is provided with a rotating shaft which is rotatably connected with a connecting rod (10), the outer wall of the bottom end of the connecting rod (10) is provided with a fixing plate (15), the outer wall of the right end of the bottom of the crushing box (7) is provided with a blow-off pipe (19), the other end of the blow-off pipe (19) is communicated with a purifying device (18) arranged on the outer wall of the middle part of the right side of the processing box (1), the outer wall of the top end of the right side of the processing box (1) is provided with a water tank, the outer wall of the right end of the purifying device (18) is provided with a second water outlet pipe, a first water outlet pipe (13) is arranged on the outer wall of one end of the top of the water tank, a first water pump (12) arranged on the outer wall of the top end of the right side of the processing box (1) is installed on the first water outlet pipe (13), a spray head (11) positioned in the processing box (1) is arranged at the other end of the first water outlet pipe (13), a first discharge pipe (20) is arranged on the outer wall of the middle part of the bottom end of the crushing box (7), a first material control valve is arranged in the first discharge pipe (20), the other end of the first discharge pipe (20) is communicated with a crushing box (21) installed on the inner wall of the middle part of the right side of the processing box (1), rotating motors (22) are symmetrically arranged on the inner walls of the two ends of the crushing box (21), crushing gears (23) are arranged on the output ends of the rotating motors (22), teeth of the two crushing, a second material control valve is arranged inside the second discharging pipe (24), a connecting plate (25) is arranged on the inner wall of the bottom end on the right side of the processing box (1), an electric push rod (26) is arranged on the outer wall of the bottom end of the connecting plate (25), a slide block (28) is arranged on the output end of the electric push rod (26), the slide block (28) is in sliding connection with a slide plate (27) arranged on the inner wall of the bottom end on the right side of the processing box (1), an adjusting box (30) is arranged on the inner wall of the bottom end on the right side of the processing box (1), a fixed rod (49) is arranged on the inner wall of the adjusting box (30), a moving block (48) is sleeved in the middle of the fixed rod (49), a telescopic spring (50) sleeved on the fixed rod (49) is arranged on the outer wall of the bottom end of the moving block (48), the other end of the telescopic, the other end of the adjusting rod (29) is connected with the sliding block (28), a screen (46) which is placed in an inclined mode is arranged on the outer wall of the left end of the sliding block (28), the other end of the screen (46) is movably connected with a rotating shaft (45) which is installed on the inner wall of the bottom end of the left side of the processing box (1), a discharge hole (44) is formed in the outer wall of the bottom end of the left side of the processing box (1) and is flush with the lowest end of the screen (46), an electromagnetic valve is arranged inside the discharge hole (44), a dust suction machine (42) is arranged on the outer wall of the bottom end of the left side of the processing box (1), a dust suction head (43) which is located inside the processing box (1) is arranged at the right end of the dust suction machine (42), a dust outlet pipe (41) is arranged on the outer wall of the left end.

2. The concrete crusher for buildings according to claim 1, characterized in that an electric heating box (40) is arranged on the inner wall of the middle of the left side of the processing box (1), a heating rod (38) is arranged on the inner wall of the electric heating box (40), an electric heating wire (39) is wound on the heating rod (38), a first air suction pipe (37) is arranged on the outer wall of the bottom end of the right side of the electric heating box (40), the other end of the first air suction pipe (37) is connected with a first air suction machine (36) arranged on the outer wall of the middle of the left side of the crushing box (21), and a hot air head (35) penetrating through the outer wall of the crushing box (21) and extending into the crushing box (21) is arranged at the right end.

3. The concrete crusher for building according to claim 1, characterized in that a plurality of water spraying nozzles (51) are arranged in the spray head (11), and a water spraying control valve (52) is arranged in the water spraying nozzles (51).

4. The concrete crusher for building according to claim 1, characterized in that the outer wall of the bottom end of the supporting plate (15) is provided with a plurality of crushing hammers (16), and the number of the crushing hammers (16) is several.

5. The concrete crusher for building as claimed in claim 1, wherein the top end of the interior of the sewage draining pipe (19) is provided with a filtering membrane, and the filtering membrane can only pass through liquid substances.

6. The concrete crusher for buildings according to claim 1, characterized in that the inner wall of the purification box (34) is provided with a photocatalytic filter screen (53), an EPA filter screen (54) and an activated carbon filter screen (55) from top to bottom in sequence, the outer wall of the top end of the purification box (34) is provided with an exhaust pipe (32), and the exhaust pipe (32) is internally provided with an air valve (33).

7. The concrete crusher for buildings according to claim 1 or 2, characterized in that a cover plate (56) is arranged on the outer wall of the front side of the processing box (1), a control panel (57) is arranged on the outer wall of the top end of the front side of the cover plate (56), and a transparent glass window (58) is arranged on the outer wall of the bottom end of the front side of the cover plate (56).

Technical Field

The invention relates to the technical field of building auxiliary devices, in particular to a concrete crusher for buildings.

Background

As is well known, a concrete breaker for construction is an auxiliary device for crushing concrete discarded from construction so as to reuse the concrete, and is widely used in the fields of construction, solid waste treatment, and the like.

The existing concrete crusher has the following problems: the existing concrete crusher can not crush large concrete, can only crush small concrete, has poor crushing effect and reduces the working efficiency; the existing concrete crusher can not screen the crushed concrete, can not separate the concrete with different sizes, is not beneficial to the subsequent treatment of the crushed concrete, and reduces the working efficiency; c: the existing concrete crusher is not provided with a purification mechanism, dust, harmful gas and the like generated in concrete crushing cannot be purified, and the dust is directly discharged to cause damage to physical and mental health and environment of workers, so that the practicability of the device is reduced.

Disclosure of Invention

The invention aims to provide a concrete crusher for buildings, which solves the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a concrete crusher for buildings comprises a processing box, rollers are arranged at four corner positions of the lower side of the processing box, a collecting tank is arranged on the inner wall of the bottom end of the processing box, a heating box is arranged on the inner wall of the left end of the top of the processing box, a feeding port which penetrates through the inner wall of the processing box and extends to the outside is arranged on the outer wall of the top end of the heating box, a heater is arranged on the inner wall of the bottom end of the heating box, an obliquely arranged graphite heating plate is arranged on the outer wall of the middle part of the right side of the heating box, a material guide pipe is arranged inside the material guide pipe, the other end of the material guide pipe is communicated with a crushing box arranged on the outer wall of the right end of the top of the processing box, supporting plates are symmetrically arranged in the front and back direction on the inner wall of the top of the crushing box, the outer wall of the right end of the bottom of the crushing box is provided with a sewage discharge pipe, the other end of the sewage discharge pipe is communicated with a purification device arranged on the outer wall of the middle part of the right side of the processing box, the outer wall of the top end of the right side of the processing box is provided with a water tank, the outer wall of the right end of the purification device is provided with a second water outlet pipe, the second water outlet pipe is provided with a second water pump arranged on the outer wall of the bottom end of the right side of the water tank, the other end of the second water outlet pipe is communicated with the water tank, the outer wall of the middle part of the top end of the water tank is provided with a water filling port, the outer wall of one end of the top of the water tank is provided with a first water outlet pipe, the first water pump arranged on the outer wall of the top end of the right, the inner walls of the two ends of the crushing box are symmetrically provided with rotating motors, the output ends of the rotating motors are provided with crushing gears, teeth of the two crushing gears are meshed, the outer wall of the bottom end of the crushing box is provided with a second discharging pipe, a second material control valve is arranged in the second discharging pipe, the inner wall of the bottom end of the right side of the processing box is provided with a connecting plate, the outer wall of the bottom end of the connecting plate is provided with an electric push rod, the output end of the electric push rod is provided with a slide block, the slide block is in sliding connection with a slide plate arranged on the inner wall of the bottom end of the right side of the processing box, the inner wall of the bottom end of the right side of the processing box is provided with an adjusting box, the inner wall of the adjusting box is provided with a fixed rod, the middle part of the fixed rod, and adjust the pole other end and link to each other with the slider, be provided with the screen cloth that the slope was placed on the slider left end outer wall, the screen cloth other end and the pivot swing joint of installing on processing case left side bottom inner wall, the position that flushes with the screen cloth minimum end on the outer wall of processing case left side bottom is provided with the bin outlet, the inside solenoid valve that is provided with of bin outlet, be provided with the dust catcher on the outer wall of processing case left side bottom, the dust catcher right-hand member is provided with the dust absorption head that is located processing incasement portion, be provided with out the dirt pipe on the dust catcher left end outer wall, it communicates with the purifying box of installing on.

As a further improvement of the invention: the processing case left side is provided with the electric heat box on the inner wall of middle part, is provided with the heating rod on the electric heat box inner wall, and the winding has the heating wire on the heating rod, is provided with first suction pipe on the outer wall of electric heat box right side bottom, and the first suction pipe other end links to each other with the first suction machine of installing on crushing case left side middle part outer wall, and first suction machine right-hand member is provided with runs through crushing incasement wall and extends to the hot-blast head of crushing incasement portion.

As a further improvement of the invention: a plurality of water spraying ports are formed in the spray head, and water spraying control valves are arranged in the water spraying ports.

As a further improvement of the invention: be provided with the quartering hammer on the backup pad bottom outer wall, and quartering hammer quantity sets up to a plurality of.

As a further improvement of the invention: the inside top of blow off pipe is provided with filtration membrane, and filtration membrane can only pass through liquid material.

As a further improvement of the invention: the purifying box is characterized in that a photocatalytic filter screen, an EPA filter screen and an active carbon filter screen are sequentially arranged on the inner wall of the purifying box from top to bottom, an exhaust pipe is arranged on the outer wall of the top end of the purifying box, and an air valve is arranged inside the exhaust pipe.

As a further improvement of the invention: the processing box is characterized in that a cover plate is arranged on the outer wall of the front side of the processing box, a control panel is arranged on the outer wall of the top end of the front side of the cover plate, and a transparent glass window is arranged on the outer wall of the bottom end of the front side of the cover plate.

Compared with the prior art, the invention has the beneficial effects that:

by adopting the concrete crusher for the building, harmful gas generated in concrete crushing can be decomposed and purified by arranging the photocatalytic filter screen, dust and other substances generated in concrete crushing can be subjected to dust fall treatment by arranging the EPA filter screen and the active carbon filter screen, so that the direct discharge of the dust, the harmful gas and the like generated in concrete crushing is avoided, the damage to physical and mental health of workers and the damage to the environment are avoided, and the practicability of the device is improved; by arranging the connecting plate, the electric push rod, the sliding plate, the sliding block, the adjusting rod, the adjusting box, the collecting tank, the rotating shaft, the screen, the moving block, the fixing rod, the telescopic spring and the discharging opening, the crushed concrete can be screened, so that the concrete with different sizes can be separated, the subsequent treatment of the crushed concrete is facilitated, and the working efficiency is improved; through setting up graphite hot plate, heater, broken case, driving motor, the connecting rod, the shower nozzle, first water pump, first outlet pipe, the second outlet pipe, fixed plate and quartering hammer, can utilize the nature of concrete expend with heat and contract with cold to carry out preliminary breakage to bulk concrete, the follow-up processing of the concrete of being convenient for through setting up crushing case, rotating electrical machines and crushing gear, can carry out good breakage and crushing effect better to the less concrete of volume, has improved work efficiency.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a sectional view of the adjusting box of the present invention;

FIG. 3 is a side view of the sprinkler head of the present invention;

FIG. 4 is a sectional view of the air purifying box of the present invention;

FIG. 5 is a front view of the present invention;

in the figure: 1-processing box, 2-heating box, 3-graphite heating plate, 4-heater, 5-feeding port, 6-material guide pipe, 7-crushing box, 8-supporting plate, 9-driving motor, 10-connecting rod, 11-nozzle, 12-first water pump, 13-first water outlet pipe, 14-second water outlet pipe, 15-fixing plate, 16-crushing hammer, 17-second water pump, 18-purifying device, 19-blow-off pipe, 20-first discharge pipe, 21-crushing box, 22-rotating motor, 23-crushing gear, 24-second discharge pipe, 25-connecting plate, 26-electric push rod, 27-sliding plate, 28-sliding block, 29-adjusting rod, 30-adjusting box, 31-collecting tank, 32-exhaust pipe, 33-air valve, 34-purifying box, 35-hot air head, 36-first suction fan, 37-first suction pipe, 38-heating rod, 39-electric heating wire, 40-electric heating box, 41-dust outlet pipe, 42-dust collector, 43-dust collector, 44-discharge outlet, 45-rotating shaft, 46-screen, 47-roller, 48-moving block, 49-fixed rod, 50-expansion spring, 51-water spray, 52-water spray control valve, 53-photocatalysis filter screen, 54-EPA filter screen, 55-active carbon filter screen, 56-cover plate, 57-control panel and 58-transparent glass window.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example one

Referring to fig. 1 to 5, a concrete crusher for buildings comprises a processing box 1, rollers 47 are arranged at four corners of the lower side of the processing box 1, a collecting tank 31 is arranged on the inner wall of the bottom end of the processing box 1, a heating box 2 is arranged on the inner wall of the left end of the top of the processing box 1, a feed inlet 5 which penetrates through the inner wall of the processing box 1 and extends to the outside is arranged on the outer wall of the top end of the heating box 2, a heater 4 is arranged on the inner wall of the bottom end of the heating box 2, an obliquely arranged graphite heating plate 3 is arranged on the outer wall of the top end of the heater 4, a material guide pipe 6 is arranged on the outer wall of the middle part of the right side of the heating box 2, a control valve is arranged inside the material guide pipe 6, the other end of the material guide pipe 6 is communicated with a crushing box 7 arranged on the outer, the output end of a driving motor 9 is provided with a rotating shaft, the rotating shaft is rotatably connected with a connecting rod 10, the outer wall of the bottom end of the connecting rod 10 is provided with a fixed plate 15, the outer wall of the right end of the bottom of a crushing box 7 is provided with a sewage discharge pipe 19, the other end of the sewage discharge pipe 19 is communicated with a purifying device 18 arranged on the outer wall of the middle part of the right side of a processing box 1, the outer wall of the top end of the right side of the processing box 1 is provided with a water tank, the outer wall of the right end of the purifying device 18 is provided with a second water outlet pipe 14, the second water outlet pipe 14 is provided with a second water pump 17 arranged on the outer wall of the bottom end of the right side of the water tank, the other end of the second water outlet pipe 14 is communicated with the water tank, the outer wall of the middle part of the top, a first discharging pipe 20 is arranged on the outer wall of the middle part of the bottom end of the crushing box 7, a first material control valve is arranged inside the first discharging pipe 20, the other end of the first discharging pipe 20 is communicated with a crushing box 21 arranged on the inner wall of the middle part of the right side of the processing box 1, rotating motors 22 are symmetrically arranged on the inner walls of the two ends of the crushing box 21, a crushing gear 23 is arranged on the output end of the rotating motor 22, teeth of the two crushing gears 23 are meshed with each other, a second discharging pipe 24 is arranged on the outer wall of the bottom end of the crushing box 21, a second material control valve is arranged inside the second discharging pipe 24, a connecting plate 25 is arranged on the inner wall of the bottom end of the right side of the processing box 1, an electric push rod 26 is arranged on the outer wall of the bottom end of the connecting plate 25, a slide block 28 is arranged on the output end, a fixed rod 49 is arranged on the inner wall of the adjusting box 30, a moving block 48 is sleeved in the middle of the fixed rod 49, an expansion spring 50 sleeved on the fixed rod 49 is arranged on the outer wall of the bottom end of the moving block 48, the other end of the expansion spring 50 is connected with the inner wall of the bottom end of the adjusting box 30, an adjusting rod 29 which penetrates through the inner wall of the adjusting box 30 and extends to the outside is arranged on the outer wall of the top end of the moving block 48, the other end of the adjusting rod 29 is connected with a slide block 28, a screen 46 which is obliquely arranged is arranged on the outer wall of the left end of the slide block 28, the other end of the screen 46 is movably connected with a rotating shaft 45 arranged on the inner wall of the left bottom end of the processing box 1, a discharge port 44 is arranged on the outer wall of the left bottom end of the processing box 1 and, a dust outlet pipe 41 is arranged on the outer wall of the left end of the dust collector 42, and the other end of the dust outlet pipe 41 is communicated with a purification box 34 arranged on the outer wall of the middle part of the left side of the processing box 1; by arranging the connecting plate 25, the electric push rod 26, the sliding plate 27, the sliding block 28, the adjusting rod 29, the adjusting box 30, the collecting tank 31, the rotating shaft 45, the screen 46, the moving block 48, the fixing rod 49, the telescopic spring 50 and the discharge port 44, the crushed concrete can be screened, so that the concrete with different sizes can be separated, the subsequent treatment of the crushed concrete is facilitated, and the working efficiency is improved; through setting up graphite hot plate 3, heater 4, broken case 7, driving motor 9, connecting rod 10, shower nozzle 11, first water pump 12, first outlet pipe 13, second outlet pipe 14, fixed plate 15 and quartering hammer 16, can utilize the nature of concrete expend with heat and contract with cold to carry out preliminary breakage to the bulk concrete, the subsequent processing of the concrete of being convenient for, through setting up crushing case 21, rotating electrical machines 22 and crushing gear 23, can carry out good breakage and crushing effect better to the less concrete of volume, and the work efficiency is improved.

An electric heating box 40 is arranged on the inner wall of the middle part of the left side of the processing box 1, a heating rod 38 is arranged on the inner wall of the electric heating box 40, an electric heating wire 39 is wound on the heating rod 38, a first air suction pipe 37 is arranged on the outer wall of the bottom end of the right side of the electric heating box 40, the other end of the first air suction pipe 37 is connected with a first air suction machine 36 arranged on the outer wall of the middle part of the left side of the crushing box 21, and a hot air head 35 which penetrates through the outer wall of the crushing box 21 and extends into; the operation of drying can be carried out to the preliminary broken concrete through setting up electric heat box 40, avoids wherein moisture to influence the secondary treatment of concrete, has improved work efficiency.

A plurality of water spraying ports 51 are arranged in the nozzle 11, and a water spraying control valve 52 is arranged in each water spraying port 51; the water spraying amount can be determined according to the requirement by arranging the plurality of water spraying ports 51 in the spray head 11 and arranging the water spraying control valve 52 in the water spraying ports 51, so that the waste of water resources is avoided, and the practicability of the device is improved.

The outer wall of the bottom end of the supporting plate 15 is provided with a plurality of breaking hammers 16, and the number of the breaking hammers 16 is set to be a plurality; through be provided with quartering hammer 16 and quartering hammer 16 quantity set up to a plurality of can be better on the 15 bottom outer walls of backup pad to carry out the breakage to the bulk concrete, the follow-up broken handle of the concrete of being convenient for has improved work efficiency.

A filtering membrane is arranged at the top end inside the sewage discharge pipe 19, and the filtering membrane can only pass through liquid substances; through being provided with filtration membrane and filtration membrane can only avoid the outflow of concrete when can discharging sewage through liquid material at the inside top of blow off pipe 19, the follow-up processing of the concrete of being convenient for has improved work efficiency.

A photocatalytic filter screen 53, an EPA filter screen 54 and an active carbon filter screen 55 are sequentially arranged on the inner wall of the purification box 34 from top to bottom, an exhaust pipe 32 is arranged on the outer wall of the top end of the purification box 34, and an air valve 33 is arranged inside the exhaust pipe 32; can decompose and purify the harmful gas that produces in the concrete is broken through setting up photocatalysis filter screen 53, can carry out the dust fall through setting up substances such as the dust that EPA filter screen 54 and active carbon filter screen 55 produced in the concrete is broken and handle, avoid the dust that produces in the concrete is broken and harmful gas etc. directly discharge out and can cause the damage to staff's physical and mental health and environment, improved the device's practicality.

Example two

On the basis of the first embodiment, referring to fig. 5, a cover plate 56 is arranged on the outer wall of the front side of the processing box 1, a control panel 57 is arranged on the outer wall of the top end of the front side of the cover plate 56, and a transparent glass window 58 is arranged on the outer wall of the bottom end of the front side of the cover plate 56; through setting up apron 56 and being convenient for inspect and maintain the processing case 1 inside, can realize intelligent control through setting up control panel 57, reduce dependent manual operation, improve work efficiency, be convenient for observe the operating condition of processing case 1 inside through setting up transparent glass window 58.

The working principle is as follows: in the using process, the broken concrete can be screened by arranging the connecting plate 25, the electric push rod 26, the sliding plate 27, the sliding block 28, the adjusting rod 29, the adjusting box 30, the collecting tank 31, the rotating shaft 45, the screen 46, the moving block 48, the fixing rod 49, the telescopic spring 50 and the discharging port 44, so that the concrete with different sizes can be separated, the subsequent treatment of the broken concrete is facilitated, and the working efficiency is improved; through setting up graphite hot plate 3, heater 4, broken case 7, driving motor 9, connecting rod 10, shower nozzle 11, first water pump 12, first outlet pipe 13, second outlet pipe 14, fixed plate 15 and quartering hammer 16, can utilize the nature of concrete expend with heat and contract with cold to carry out preliminary breakage to the bulk concrete, the subsequent processing of the concrete of being convenient for, through setting up crushing case 21, rotating electrical machines 22 and crushing gear 23, can carry out good breakage and crushing effect better to the less concrete of volume, and the work efficiency is improved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.