CN113417223B - Road bridge construction is with abandonment concrete milling device - Google Patents
Road bridge construction is with abandonment concrete milling device Download PDFInfo
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- CN113417223B CN113417223B CN202110514004.1A CN202110514004A CN113417223B CN 113417223 B CN113417223 B CN 113417223B CN 202110514004 A CN202110514004 A CN 202110514004A CN 113417223 B CN113417223 B CN 113417223B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/12—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
- E01C23/122—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus
- E01C23/124—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus moved rectilinearly, e.g. road-breaker apparatus with reciprocating tools, with drop-hammers
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/12—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
- E01C23/122—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus
- E01C23/127—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus rotary, e.g. rotary hammers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a waste concrete crushing device for road and bridge construction, which comprises a rack, wherein a fixed connecting rod is arranged on the rack, a plurality of rotating shaft fixing sleeves are fixedly arranged on the fixed connecting rod, an upper fixed connecting rod is arranged below the fixed connecting rod, a plurality of upper fixed sliding sleeves which are linearly arranged at equal intervals are fixedly arranged on the upper fixed connecting rod, a lower fixed connecting rod is arranged below the upper fixed connecting rod, and a plurality of lower fixed sliding sleeves which are linearly arranged at equal intervals are arranged on the lower fixed connecting rod.
Description
Technical Field
The invention relates to the technical field of road and bridge construction, in particular to a waste concrete crushing device for road and bridge construction.
Background
On the road and bridge construction site, old buildings are frequently required to be dismantled, and the construction waste is troublesome to transport to a waste station and cannot be reused, so that waste is caused. The existing construction engineering personnel can utilize the construction concrete garbage as the filler of the foundation, on one hand, the waste can be utilized, and on the other hand, the garbage disposal cost and the labor intensity of cleaners can be reduced. Because the volume of the waste cement concrete blocks is usually very large, the waste cement concrete blocks are not suitable for being directly used for filling a foundation, and the concrete blocks need to be crushed for use. How to rapidly crush concrete blocks is a problem to be solved urgently. The existing concrete crushing device is designed more traditionally, the concrete blocks are filled in the device, the device is complex in design and large in size, not only is not convenient to carry, but also needs to convey cement for many times, is too high in cost and complex in operation, and is not suitable for temporary use on a building site. Therefore, the invention provides a waste concrete crushing device for road and bridge construction, which realizes that waste pavement is crushed while being dismantled on a construction site, and crushed cement is removed to two sides of the pavement to facilitate collection.
Disclosure of Invention
The invention aims to provide a waste concrete crushing device for road and bridge construction, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a waste concrete crushing device for road and bridge construction comprises a rack, wherein a fixed connecting rod is arranged on the rack, a plurality of rotating shaft fixing sleeves are fixedly arranged on the fixed connecting rod, an upper fixed connecting rod is arranged below the fixed connecting rod, a plurality of upper fixed sliding sleeves which are linearly arranged at equal intervals are fixedly arranged on the upper fixed connecting rod, a lower fixed connecting rod is arranged below the upper fixed connecting rod, a plurality of lower fixed sliding sleeves which are linearly arranged at equal intervals are arranged on the lower fixed connecting rod, and two vertical fixing sleeves are fixedly arranged on the rack and positioned on two sides of the fixed connecting rod;
the machine frame is provided with a successive chopping device, a crushing rotating shaft fixing part and a spiral shaft fixing part, wherein the successive chopping device comprises a rotating shaft which penetrates through the rotating shaft fixing sleeve and is connected with the rotating shaft fixing sleeve in a rotating mode, a plurality of missing gears which are linearly arranged at equal intervals are fixedly arranged on the rotating shaft, a toothless area is arranged on each missing gear, a first belt wheel is coaxially and fixedly arranged at one end of the rotating shaft, a large gear is coaxially and fixedly arranged at the other end of the rotating shaft, a small gear which is meshed with each other is arranged on one side of the large gear, a gear motor is arranged on the small gear, the gear motor is fixedly connected with the machine frame, and an output shaft of the gear motor is fixedly connected with the small gear.
As a further scheme of the invention, a plurality of striking tips which are linearly arranged at equal intervals are arranged below one side of the rotating shaft, a lower sliding rod is fixedly arranged at the upper end of each striking tip, a lower limiting disc is fixedly arranged at the bottom end of each lower sliding rod, an upper limiting disc is fixedly arranged at the top end of each lower sliding rod, an upper sliding rod is fixedly arranged at the top end of each upper limiting disc, a rack rod is fixedly arranged at the top end of each upper sliding rod, rack rod engaging teeth are arranged at one side of each rack rod, which is close to the notch gear, the rack rod engaging teeth are mutually engaged with the notch gear, the upper sliding rod is positioned in the upper fixed sliding sleeve and is in sliding connection with the upper fixed sliding sleeve, the lower sliding rod is positioned in the lower fixed sliding sleeve and is in sliding connection with the lower fixed sliding sleeve, one side that the rack pole kept away from the rack pole engaging tooth is laminated each other with the fixed link, be convenient for drive through the pivoted scarce position gear and hit the prong, lower slide bar, go up slide bar and rack pole rebound, make thrust spring compressed with higher speed, when laminating each other between the toothless area on the scarce position gear and the rack pole engaging tooth, the teeth of a cogwheel on the scarce position gear no longer with rack pole engaging tooth between intermeshing, hit the prong, lower slide bar, go up slide bar and rack pole under the effort of dead weight and thrust spring's thrust action with higher speed thrust effect down quick rebound, the realization is hit and is hit the prong and hit subaerial, thereby broken ground.
As a further scheme of the invention, the upper sliding rod is sleeved with an accelerating thrust spring, and the accelerating thrust spring is positioned between the upper fixed sliding sleeve and the upper limiting disc, so that the downward moving speed of the striking sharp head, the lower sliding rod, the upper sliding rod and the rack rod is accelerated under the thrust action of the accelerating thrust spring.
As a further scheme of the invention, the crushing rotating shaft fixing part comprises two fixing discs positioned at two sides of the rack, an internal gear is arranged at the inner side of each fixing disc, and a fixing edge is fixedly arranged at one side of the internal gear, which is far away from the fixing discs, so that the crushing rotating shaft is convenient to mount.
As a further scheme of the invention, a first upper connecting guard plate is fixedly connected to the upper end between the two fixed disks, a first vertical square rod is fixedly arranged at the position, close to the two ends, of the upper end of the first upper connecting guard plate, a first limiting disc is fixedly arranged at the top end of the first vertical square rod, and the first limiting disc is positioned in a vertical fixed sleeve close to one side of the fixed connecting rod and is in sliding connection with the vertical fixed sleeve, so that the planetary stirring device can conveniently float up and down along with the fixed part of the crushing rotating shaft.
As a further scheme of the invention, a first thrust spring is sleeved on the first vertical square rod and is positioned at the bottom end of the vertical fixing sleeve, so that the planetary stirring device has a downward acting force along with the crushing rotating shaft fixing piece under the thrust action of the first thrust spring.
As a further scheme of the invention, a planetary stirring device is arranged on the crushing rotating shaft fixing part, a plurality of crushing rotating shafts which are arranged at equal intervals in a circumference mode are arranged between two fixing discs of the planetary stirring device, a plurality of uniformly distributed crushing pieces are fixedly arranged on each crushing rotating shaft, two ends of each crushing rotating shaft are coaxially and fixedly provided with a turnover gear, each turnover gear is positioned on the inner side of an internal gear and is meshed with the internal gear, each turnover gear is positioned between each fixing disc and each fixing edge, revolution and rotation of each crushing rotating shaft and each turnover gear are facilitated, a central transmission wheel is arranged in the middle of each turnover gear and is positioned on one side, far away from a first upper connecting guard plate, of each fixing disc, the center rotating shaft is coaxially and fixedly connected with the middle of one side, close to the corresponding fixing disc, of each center rotating shaft penetrates through each fixing disc and is rotatably connected with each fixing disc, a center gear is arranged on one side, far away from the center rotating shaft, and is positioned between each turnover gear and is meshed with the corresponding turnover gear, and structural transmission is facilitated.
As a further scheme of the invention, the screw shaft fixing part comprises a second upper connecting protection plate, the bottom sides of the two ends of the second upper connecting protection plate are fixedly provided with a rotating shaft fixing plate, the positions of the upper side of the second upper connecting protection plate, which are close to the two ends, are fixedly provided with second vertical square rods, the second vertical square rods are positioned in the vertical fixing sleeves far away from one side of the fixing connecting rod and are in sliding connection with the vertical fixing sleeves, the top ends of the second vertical square rods are fixedly provided with second limiting discs, and the second limiting discs are positioned at the upper ends of the vertical fixing sleeves, so that the screw rotating shaft rod is convenient to install.
As a further scheme of the invention, a second thrust spring is sleeved on the second vertical square rod and is positioned between the vertical fixing sleeve and the second upper connecting guard plate, under the thrust action of the second thrust spring, the screw shaft fixing piece and the screw shaft rod are enabled to have downward action and are extruded on the ground, a screw shaft rod is arranged between the two shaft fixing plates, a screw shaft piece is arranged on the cylindrical surface of the screw shaft rod, the screw shaft piece is divided by the middle, the screw directions of two sides of the division are opposite, belt wheels are coaxially fixed at two ends of the screw shaft rod, and the crushed cement is pushed to two sides through the rotation of the screw shaft piece.
As a further scheme of the invention, the caterpillar bands are connected between the belt wheel and the central driving wheel and between the central driving wheels, so that the transmission between the structures is facilitated.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the cement is crushed by sequentially striking the pavement through the striking sharp heads, the lower sliding rods, the upper sliding rods and the rack rods, the cement on the pavement is further crushed by the planetary motion of the plurality of crushing rotating shafts and the crushing pieces, and the cement is removed and accumulated to two sides and is convenient to collect by arranging the spiral rotating shaft pieces with opposite spiral directions on the rotating spiral rotating shaft rod, so that the technical problems provided by the technical background are solved.
Drawings
FIG. 1 is a schematic structural view of a waste concrete crushing apparatus for road and bridge construction.
FIG. 2 is an exploded view of a structure of a waste concrete crushing apparatus for road and bridge construction.
FIG. 3 is a schematic view showing the construction of a successive mincing unit of a waste concrete crushing unit for road and bridge construction.
Fig. 4 is a schematic view showing a structure of a waste concrete crushing apparatus for road and bridge construction at a position a in fig. 3.
FIG. 5 is a schematic view of a waste concrete crushing apparatus for road and bridge construction at B in FIG. 2.
FIG. 6 is a schematic structural view of a planetary mixer in the waste concrete crushing apparatus for road and bridge construction.
FIG. 7 is a schematic view of a central driving wheel of the waste concrete crushing apparatus for road and bridge construction.
In the figure: a frame 1; a fixed link 11; a rotating shaft fixing sleeve 111; an upper fixed link 12; an upper fixed sliding sleeve 121; a lower fixed link 13; a lower fixed sliding sleeve 131; a vertical fixing sleeve 14;
a successive mincing means 2; a rotating shaft 21; a missing gear 22; a toothless zone 221; a first pulley 23; a bull gear 24; a pinion gear 241; a gear motor 25; a striking tip 26; a lower slide bar 27; a lower limiting plate 271; an upper limiting disk 272; an upper slide bar 28; an acceleration thrust spring 281; a rack bar 29; rack bar engaging teeth 291;
a crushing rotating shaft fixing part 3; a fixed disk 31; an internal gear 311; a fixed edge 312; a first upper attachment shield 32; a first vertical square bar 33; a first thrust spring 34; a first limiting disc 35;
a planetary stirring device 4; a crushing rotary shaft 41; a fragmentation piece 411; an epicyclic gear 42; a center drive wheel 43; a central rotating shaft 431; a sun gear 432;
a screw shaft fixture 5; a second upper connecting guard plate 51; a shaft fixing plate 52; a second vertical square pole 53; a second limiting disc 531; a second thrust spring 54;
a helical turning shaft lever 6; a helical rotor plate 61; a pulley 62.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, in an embodiment of the present invention, a waste concrete crushing apparatus for road and bridge construction includes a frame 1, a fixed connecting rod 11 is disposed on the frame 1, a plurality of rotating shaft fixing sleeves 111 are fixedly disposed on the fixed connecting rod 11, an upper fixed connecting rod 12 is disposed below the fixed connecting rod 11, a plurality of upper fixed sliding sleeves 121 which are linearly arranged at equal intervals are fixedly disposed on the upper fixed connecting rod 12, a lower fixed connecting rod 13 is disposed below the upper fixed connecting rod 12, a plurality of lower fixed sliding sleeves 131 which are linearly arranged at equal intervals are disposed on the lower fixed connecting rod 13, and two vertical fixing sleeves 14 are fixedly disposed on both sides of the fixed connecting rod 11 on the frame 1;
the machine frame 1 is provided with a successive mincing device 2, a crushing rotating shaft fixing piece 3 and a screw shaft fixing piece 5, the successive mincing device 2 comprises a rotating shaft 21 which penetrates through the rotating shaft fixing sleeve 111 and is rotatably connected with the rotating shaft fixing sleeve 111, a plurality of missing gears 22 which are linearly arranged at equal intervals are fixedly arranged on the rotating shaft 21, a toothless area 221 is arranged on the missing gears 22, a first belt wheel 23 is coaxially and fixedly arranged at one end of the rotating shaft 21, a large gear 24 is coaxially and fixedly arranged at the other end of the rotating shaft 21, a small gear 241 which is mutually meshed is arranged at one side of the large gear 24, a gear motor 25 is arranged on the small gear 241, the gear motor 25 is fixedly connected with the machine frame 1, and an output shaft of the gear motor 25 is fixedly connected with the small gear 241.
It is worth mentioning that the end of the frame 1 remote from the vertical fixing sleeve 14 is provided with a fixing plate for fixing the device on the motor vehicle.
In this embodiment, a plurality of striking tips 26 are arranged at equal intervals linearly below one side of the rotating shaft 21, a lower sliding rod 27 is fixed at the upper end of the striking tips 26, a lower limiting plate 271 is fixed at the bottom end of the lower sliding rod 27, an upper limiting plate 272 is fixed at the top end of the lower sliding rod 27, an upper sliding rod 28 is fixed at the top end of the upper limiting plate 272, a rack 29 is fixed at the top end of the upper sliding rod 28, rack engaging teeth 291 are arranged at one side of the rack 29 close to the notch gear 22, the rack engaging teeth 291 are engaged with the notch gear 22, the upper sliding rod 28 is positioned in the upper fixed sliding sleeve 121 and is connected with the upper fixed sliding sleeve 121 in a sliding manner, the lower sliding rod 27 is positioned in the lower fixed sliding sleeve 131 and is connected with the lower fixed sliding sleeve 131 in a sliding manner, one side of the rack bar 29, which is far away from the rack bar meshing teeth 291, is attached to the fixed link 11, so that the rotating notch gear 22 drives the striking tips 26, the lower slide bar 27, the upper slide bar 28 and the rack bar 29 to move upwards, the accelerating thrust spring 281 is compressed, when the toothless area 221 on the notch gear 22 is attached to the rack bar meshing teeth 291, the gear teeth on the notch gear 22 are not meshed with the rack bar meshing teeth 291, the striking tips 26, the lower slide bar 27, the upper slide bar 28 and the rack bar 29 move downwards quickly under the action of self-weight and the thrust of the accelerating thrust spring 281, and the striking tips 26 strike the ground, so that the ground is broken.
It should be noted that the toothless regions 221 on different missing gears 22 are in different positions, so that the fitting time of the different toothless regions 221 and the rack bar engaging teeth 291 corresponding to the different positions is different, the different falling time of the striking tips 26 is realized, the upward recoil generated on the device when the striking tips 26 strike the ground is reduced, the structural stability of the device is facilitated, and the device is prevented from being lifted upwards.
Further, an accelerating thrust spring 281 is sleeved on the upper slide rod 28, and the accelerating thrust spring 281 is located between the upper fixed sliding sleeve 121 and the upper limiting disc 272, so as to accelerate the downward moving speed of the striking tip 26, the lower slide rod 27, the upper slide rod 28 and the rack bar 29 under the thrust of the accelerating thrust spring 281.
It should be noted that the size of the lower sliding rod 27 is matched with the size of the lower fixed sliding sleeve 131, and the size of the rack bar 29 is matched with the size of the upper fixed sliding sleeve 121, so that the lower sliding rod 27 and the rack bar 29 can stably move downwards and slide.
In this embodiment, the crushing rotating shaft fixing member 3 includes two fixing disks 31 located at two sides of the frame 1, an inner gear 311 is disposed inside the fixing disks 31, and a fixing edge 312 is fixedly disposed at a side of the inner gear 311 away from the fixing disks 31, so as to facilitate installation of the crushing rotating shaft 41.
Further, the upper end fixedly connected with between two fixed disks 31 connects backplate 32 on first, the position that the upper end of connecting backplate 32 is close to both ends on first is all fixed and is equipped with first vertical square pole 33, the fixed first spacing dish 35 that is equipped with in top of first vertical square pole 33, first spacing dish 35 be located be close to fixed connecting rod 11 one side vertical fixed cover 14 in with this vertical fixed cover 14 between sliding connection, be convenient for planet agitating unit 4 follow broken pivot mounting 3 and fluctuate.
Besides, the first vertical square rod 33 is sleeved with a first thrust spring 34, the first thrust spring 34 is located at the bottom end of the vertical fixing sleeve 14, and the planetary stirring device 4 is enabled to have a downward acting force along with the crushing rotating shaft fixing member 3 under the thrust action of the first thrust spring 34.
Furthermore, a planetary stirring device 4 is arranged on the crushing rotating shaft fixing part 3, a plurality of crushing rotating shafts 41 which are arranged at equal intervals in a circumferential direction are arranged between two fixing discs 31 of the planetary stirring device 4, a plurality of crushing pieces 411 which are uniformly distributed are fixedly arranged on each crushing rotating shaft 41, a turnover gear 42 is coaxially and fixedly arranged at each end of each crushing rotating shaft 41, the turnover gears 42 are positioned on the inner side of an internal gear 311 and are meshed with the internal gear 311, the turnover gears 42 are positioned between the fixing discs 31 and the fixing edges 312, so that the crushing rotating shafts 41 and the turnover gears 42 can perform revolution and rotation motions conveniently, a central transmission wheel 43 is arranged in the middle of each turnover gear 42, the central transmission wheel 43 is positioned on one side, away from the first upper connecting guard plate 32, of the fixing discs 31, of the central rotating shaft 431 is coaxially and fixedly connected with the middle of one side, close to the fixing discs 31, of the central rotating shaft 431 penetrates through the fixing discs 31 and is rotatably connected with the fixing discs 31, a central gear 432 is arranged on one side, away from the central transmission wheel 43, the central gear 432 is positioned on one side, the central shaft 431 is positioned between the middle of the plurality of the turnover gears 42 and is meshed with the turnover gears 42, so that the central gear 432, and is convenient for structural transmission.
It should be noted that the crushing pieces 411 of the adjacent crushing rotating shafts 41 are arranged to be spaced apart from each other in a crossing manner, so that the cement pieces can enter between them, thereby crushing the cement pieces.
In this embodiment, the screw shaft fixing member 5 includes a second upper connecting guard plate 51, a rotating shaft fixing plate 52 is fixedly arranged on the bottom side of the two ends of the second upper connecting guard plate 51, a second vertical square rod 53 is fixedly arranged on the position, close to the two ends, of the upper side of the second upper connecting guard plate 51, the second vertical square rod 53 is positioned in the vertical fixing sleeve 14 far away from one side of the fixing connecting rod 11 and is connected with the vertical fixing sleeve 14 in a sliding manner, a second limiting disc 531 is fixedly arranged on the top end of the second vertical square rod 53, the second limiting disc 531 is positioned at the upper end of the vertical fixing sleeve 14, and the screw rotating shaft 6 is convenient to install.
Further, the cover is equipped with second thrust spring 54 on the vertical square pole 53 of second, second thrust spring 54 is located and connects between the backplate 51 on vertical fixed cover 14 and the second, under the thrust effect of second thrust spring 54, make screw axis mounting 5 and spiral pivot pole 6 have decurrent effect reason extrusion subaerial, be equipped with spiral pivot pole 6 between two pivot fixed plates 52, be equipped with spiral pivot piece 61 on the face of cylinder of spiral pivot pole 6, spiral pivot piece 61 is with middle demarcation, the spiral opposite direction of demarcation both sides, the equal coaxial fixed band pulley 62 that is equipped with in both ends of spiral pivot pole 6, be convenient for realize pushing garrulous cement to both sides through the rotation of spiral pivot piece 61.
In this embodiment, the caterpillar tracks are connected between the belt wheel 62 and the central transmission wheel 43 and between the central transmission wheels 43, so as to facilitate the transmission between the structures.
The working principle of the invention is as follows: the fixed plate at the front side of the frame 1 is fixed to the tail of the motor vehicle through bolts, during the running process of the motor vehicle, the gear motor 25 is started, the output shaft of the gear motor 25 rotates to drive the gear 241 to rotate, the gear 241 and the large gear 24 are engaged with each other, so as to drive the rotating shaft 21 and the absent gear 22 to rotate, so that different absent gears 22 rotate along with the same, the hitting tip 26, the lower slide bar 27, the upper slide bar 28 and the rack bar 29 are driven by the rotating absent gear 22 to move upwards, the accelerating thrust spring 281 is compressed, when the toothless area 221 on the absent gear 22 is engaged with the rack bar engaging teeth 291, the teeth on the absent gear 22 are no longer engaged with the rack bar engaging teeth 291, the hitting tip 26, the lower slide bar 27, the upper slide bar 28 and the rack bar 29 move downwards rapidly under the action of the self-weight and the thrust of the accelerating thrust spring 281, the striking tips 26 strike the ground, so that the ground is broken, the positions of the toothless areas 221 on different segmental gears 22 are different, so that the time for attaching different toothless areas 221 to the rack bar engaging teeth 291 corresponding to the positions is different, the time for the different striking tips 26 to land is different, meanwhile, the first belt wheel 23 rotates along with the rotating shaft 21, the central driving wheel 43 rotates through crawler transmission, the rotation of the central driving wheel 43 drives the central gear 432 to rotate, the central gear 432 is meshed with the plurality of turnover gears 42, the turnover gears 42 are meshed with the internal gear 311 at the same time, the revolution and the rotation among the plurality of turnover gears 42 are realized, so that the revolution and the rotation of the breaking rotating shaft 41 are driven, the breaking pieces 411 on the adjacent breaking rotating shafts 41 move in a staggered manner, so that the breaking pieces 411 scrape broken cement blocks on the ground, the broken cement blocks enter between the mutually staggered crushing pieces 411, the broken cement blocks are further crushed, when the ground broken cement is scraped by the crushing rotating shaft 41 and the crushing pieces 411, the crushing rotating shaft fixing part 3 and the planetary stirring device 4 slightly float up and down under the elastic action of the first thrust spring 34, and the first vertical square rod 33 slides up and down in the vertical fixing sleeve 14 corresponding to the position;
in addition, the central driving wheel 43 transmits kinetic energy to the belt wheel 62 through the caterpillar track, so that the belt wheel 62 rotates, the spiral rotating shaft rod 6 pushes crushed cement to two sides because the spiral directions of the two ends of the spiral rotating shaft piece 61 are opposite, the cleaning is convenient, and the spiral rotating shaft rod 6 floats up and down under the thrust action of the second thrust spring 54 so as to avoid a hard cement bulge; it should be noted that the floating distance between the planetary stirring device 4 and the screw shaft 6 is so small as not to cause the slipping of the crawler.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The waste concrete crushing device for road and bridge construction comprises a rack (1) and is characterized in that a fixed connecting rod (11) is arranged on the rack (1), a plurality of rotating shaft fixing sleeves (111) are fixedly arranged on the fixed connecting rod (11), an upper fixed connecting rod (12) is arranged below the fixed connecting rod (11), a plurality of upper fixed sliding sleeves (121) which are linearly and equidistantly arranged are fixedly arranged on the upper fixed connecting rod (12), a lower fixed connecting rod (13) is arranged below the upper fixed connecting rod (12), a plurality of lower fixed sliding sleeves (131) which are linearly and equidistantly arranged are arranged on the lower fixed connecting rod (13), and two vertical fixing sleeves (14) are fixedly arranged on two sides of the rack (1) on the fixed connecting rod (11);
the machine frame (1) is provided with a successive chopping device (2), a crushing rotating shaft fixing piece (3) and a screw shaft fixing piece (5), the successive chopping device (2) comprises a rotating shaft (21) which penetrates through the rotating shaft fixing sleeve (111) and is rotationally connected with the rotating shaft fixing sleeve (111), a plurality of missing gears (22) which are linearly arranged at equal intervals are fixedly arranged on the rotating shaft (21), a toothless area (221) is arranged on the missing gears (22), a first belt wheel (23) is coaxially and fixedly arranged at one end of the rotating shaft (21), a large gear (24) is coaxially and fixedly arranged at the other end of the rotating shaft (21), mutually meshed small gears (241) are arranged at one side of the large gear (24), a gear motor (25) is arranged on the small gears (241), the gear motor (25) is fixedly connected with the machine frame (1), and an output shaft of the gear motor (25) is fixedly connected with the small gears (241);
the positions of the toothless areas (221) on different gear lacking positions (22) are different;
a plurality of striking pointed ends (26) which are linearly arranged at equal intervals are arranged below one side of the rotating shaft (21), a lower sliding rod (27) is fixedly arranged at the upper end of each striking pointed end (26), a lower limiting disc (271) is fixedly arranged at the bottom end of each lower sliding rod (27), an upper limiting disc (272) is fixedly arranged at the top end of each lower sliding rod (27), an upper sliding rod (28) is fixedly arranged at the top end of each upper limiting disc (272), a rack rod (29) is fixedly arranged at the top end of each upper sliding rod (28), rack rod meshing teeth (291) are arranged on one side, close to the vacant gears (22), of each rack rod (29), the rack rod meshing teeth (291) are meshed with the vacant gears (22), the upper sliding rods (28) are positioned in the upper fixed sliding sleeves (121) and are connected with the upper fixed sliding sleeves (121) in a sliding manner, the lower sliding rods (27) are positioned in the lower fixed sliding sleeves (131) and are connected with the lower fixed sliding sleeves (131), and one side, far away from the rack rod meshing teeth (291) of each rack rod (29) is attached to the fixed connecting rod (11);
an accelerating thrust spring (281) is sleeved on the upper sliding rod (28), and the accelerating thrust spring (281) is positioned between the upper fixed sliding sleeve (121) and the upper limiting disc (272);
the crushing rotating shaft fixing piece (3) comprises two fixed disks (31) positioned on two sides of the rack (1), an internal gear (311) is arranged on the inner side of each fixed disk (31), and a fixing edge (312) is fixedly arranged on one side, far away from the fixed disks (31), of the internal gear (311);
a first upper connecting guard plate (32) is fixedly connected to the upper end between the two fixed disks (31), first vertical square rods (33) are fixedly arranged at the positions, close to the two ends, of the upper end of the first upper connecting guard plate (32), a first limiting disk (35) is fixedly arranged at the top end of each first vertical square rod (33), and the first limiting disks (35) are positioned in the vertical fixed sleeves (14) close to one side of the fixed connecting rod (11) and are in sliding connection with the vertical fixed sleeves (14);
the first vertical square rod (33) is sleeved with a first thrust spring (34), and the first thrust spring (34) is positioned at the bottom end of the vertical fixing sleeve (14) so as to be convenient for acting under the thrust action of the first thrust spring (34);
the crushing rotating shaft fixing part (3) is provided with a planetary stirring device (4), a plurality of crushing rotating shafts (41) which are arranged at equal intervals in a circumferential direction are arranged between two fixing discs (31) of the planetary stirring device (4), a plurality of crushing pieces (411) which are uniformly distributed are fixedly arranged on each crushing rotating shaft (41), the two ends of each crushing rotating shaft (41) are coaxially and fixedly provided with a turnover gear (42), the turnover gears (42) are positioned on the inner side of an internal gear (311) and are meshed with the internal gear (311), the turnover gears (42) are positioned between the fixing discs (31) and fixing edges (312), a center driving wheel (43) is arranged in the middle of the space between the plurality of turnover gears (42), the center driving wheel (43) is positioned on one side, far away from a first upper connecting protection plate (32), of the fixing disc (31), the center rotating shaft (431) is fixedly connected with the middle of the center driving wheel (43) close to one side of the fixing discs (31) in a coaxial mode and is provided with a center rotating shaft (431), the center rotating shaft (431) penetrates through the fixing discs (31) and is rotatably connected with the fixing discs (31), one side, the center gear (432) far away from the center rotating shaft (431) is arranged on one side, and the center gear (432) is positioned between the center gear (432) and the middle gears (432) of the turnover gears (42) which are meshed with the center rotating shafts (432).
2. The road and bridge construction waste concrete crushing device according to claim 1, wherein the screw shaft fixing member (5) comprises a second upper connecting guard plate (51), the bottom sides of both ends of the second upper connecting guard plate (51) are fixedly provided with rotating shaft fixing plates (52), the upper side of the second upper connecting guard plate (51) near both ends is fixedly provided with a second vertical square rod (53), the second vertical square rod (53) is positioned in the vertical fixing sleeve (14) far away from one side of the fixing connecting rod (11) and is in sliding connection with the vertical fixing sleeve (14), the top end of the second vertical square rod (53) is fixedly provided with a second limiting disc (531), and the second limiting disc (531) is positioned at the upper end of the vertical fixing sleeve (14);
the second thrust spring (54) is sleeved on the vertical square rod (53) of the second, the second thrust spring (54) is located between the vertical fixing sleeve (14) and the second upper connecting guard plate (51), under the thrust action of the second thrust spring (54), a spiral rotating shaft rod (6) is arranged between the two rotating shaft fixing plates (52), spiral rotating shaft pieces (61) are arranged on the cylindrical surface of the spiral rotating shaft rod (6), the spiral rotating shaft pieces (61) are divided in the middle, the spiral directions of the two sides of the division are opposite, and belt pulleys (62) are coaxially fixed at the two ends of the spiral rotating shaft rod (6).
3. The apparatus as claimed in claim 1, wherein caterpillar belts are connected between the pulleys (62) and the central transmission wheels (43) and between the central transmission wheels (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110514004.1A CN113417223B (en) | 2021-05-11 | 2021-05-11 | Road bridge construction is with abandonment concrete milling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110514004.1A CN113417223B (en) | 2021-05-11 | 2021-05-11 | Road bridge construction is with abandonment concrete milling device |
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| CN113417223A CN113417223A (en) | 2021-09-21 |
| CN113417223B true CN113417223B (en) | 2023-01-20 |
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| CN202110514004.1A Active CN113417223B (en) | 2021-05-11 | 2021-05-11 | Road bridge construction is with abandonment concrete milling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114960451B (en) * | 2022-06-17 | 2023-09-22 | 永平建设有限公司 | Waste concrete grinding device for road and bridge construction |
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| CN113417223A (en) | 2021-09-21 |
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