CN112474319A

CN112474319A - Hot-blast screening plant of grit of municipal works construction

Info

Publication number: CN112474319A
Application number: CN202011232251.4A
Authority: CN
Inventors: 郭进
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-03-12

Abstract

The invention discloses a gravel hot air screening device for municipal engineering construction, which relates to the technical field of municipal construction and comprises a fixed frame, wherein a screening cylinder is fixed in the fixed frame, a driving motor is fixed on the fixed frame, a dispersing mechanism for dispersing gravel is arranged on a translation frame, and an excitation mechanism is arranged between a screen plate and the fixed frame; according to the invention, the dispersing mechanism is driven by the arranged driving mechanism, so that the dispersing shaft drives the dispersing rod to revolve around the hollow rotating shaft while rotating, the full rotation dispersing effect on the gravel is realized, the rapid screening of the gravel by the sieve plate is promoted, the arranged translation frame realizes reciprocating sliding under the driving of the elastic limiting mechanism, the full rotation stirring effect on different transverse positions on the sieve plate is realized, meanwhile, hot air generated by the blowing mechanism enters the screening cylinder and is fully contacted with the dispersed gravel, the drying effect is realized, the mobility of the gravel is promoted, and the screening efficiency is remarkably improved.

Description

Hot-blast screening plant of grit of municipal works construction

Technical Field

The invention relates to the technical field of municipal construction, in particular to a gravel hot air screening device for municipal engineering construction.

Background

Municipal works refer to municipal infrastructure construction works. In China, municipal infrastructure refers to various buildings, structures, equipment and the like which are arranged in planning and construction ranges of urban areas and towns and provide paid or unpaid public products and services for residents based on government responsibilities and obligations. Various public infrastructure construction matched with urban life belongs to the municipal engineering category, such as common projects of urban roads, bridges, subways, underground pipelines, tunnels, riverways, rail transit, sewage treatment, garbage treatment and disposal and the like.

Application publication No. CN 107626581A discloses a screening abundant grit screening machine, relates to the construction machinery field. This screening abundant grit screening machine, the on-line screen storage device comprises a base, the last fixed surface of base is connected with left support plate and right branch fagging, left support plate and right branch fagging set up with the axis symmetry of base, the vibrations groove has been seted up in the left side of right branch fagging, the interior diapire fixedly connected with spring in the vibrations groove, the one end fixedly connected with right slide bar of vibrations inslot diapire, the inside swing joint in right slide bar and vibrations groove are kept away from to the spring. The fully-screened sandstone screening machine achieves the aim that the sandstone screening machine screens sandstone through the matching of a stirring motor, a transmission rod, a stirring rod, a fixed block, a movable groove, a motor groove, a vibration motor, a screening box, a rotating block, a vibration plate, a vibration rod, a vibration groove and a buffer groove; although the device can be used for screening the grit, screening process in the grit is gathered easily, and the dispersion effect is not good, can not realize high-efficient screening effect, for this reason, provides the hot-blast screening plant of grit of a municipal works construction now to solve above-mentioned technical problem.

Disclosure of Invention

The invention aims to provide a sandstone hot air screening device for municipal engineering construction, which aims to solve the problems in the background technology.

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

the utility model provides a hot-blast screening plant of grit of municipal works construction, includes the mount, and the mount internal fixation has a screening section of thick bamboo, is fixed with driving motor on the mount, and the last drive of driving motor is connected with actuating mechanism, the last drive of actuating mechanism rotates the cavity pivot that has to extend to in the screening section of thick bamboo, cavity pivot lateral wall is fixed with the spur rack, and the last slip cap of spur rack is equipped with translation frame, is equipped with the dispersion mechanism that is used for carrying out the dispersion to the grit on the translation frame, be equipped with the translation actuating mechanism who is used for driving translation frame lateral shifting on the screening section of thick bamboo, the mount top is fixed with the air heater, is connected with on the air heater to be located the inside air-blast mechanism of screening section of thick bamboo, slidable mounting has the sieve in the screening section of thick bamboo, is fixed with the screw thread.

As a modified scheme of the invention: the driving mechanism comprises an incomplete bevel gear driven by a driving motor, and a bevel gear I and a bevel gear II which are sleeved and fixed on the hollow rotating shaft are alternately connected on the incomplete bevel gear in a meshed mode.

As a modified scheme of the invention: the dispersing mechanism comprises a dispersing shaft which is rotatably installed on the translation frame, a transmission gear meshed with the straight rack is fixedly sleeved on the dispersing shaft, a plurality of dispersing rods are fixedly arranged on the side wall of the dispersing shaft at equal intervals, and a brush plate in contact with the sieve plate is fixedly arranged at the bottom of the dispersing shaft.

As a modified scheme of the invention: dispersion mechanism still includes that the slip cover establishes the sliding sleeve in the cavity pivot, and it has the pull rod to articulate between sliding sleeve and the translation frame, is equipped with elasticity stop gear between sliding sleeve and the mount, screening section of thick bamboo inner wall is fixed with the bounding wall, and bounding wall inner wall hoop evenly is fixed with a plurality of arc piece, translation frame lateral wall is fixed with the guide pulley with arc piece intermittent type butt.

As a modified scheme of the invention: elastic guide mechanism wears to be equipped with vertical pole including fixing the limiting plate II at the sliding sleeve lateral wall in the vertical slip on the limiting plate II, the cover is established and is fixed with limiting plate I on the vertical pole, is fixed with the spring coil between limiting plate I and the limiting plate II, be fixed with the hoop on the limiting plate I and slip and inlay the T word slider of establishing on the mount.

As a modified scheme of the invention: the air blowing mechanism comprises a conveying pipe connected with the outlet end of the air heater, the conveying pipe extends to the conveying pipe inside the middle idle shaft, and an air injection disc communicated with the side wall of the hollow rotating shaft is fixed on the side wall of the hollow rotating shaft.

As a modified scheme of the invention: the excitation mechanism is including fixing vertical board II and the vertical board I in sieve bottom and mount lateral wall respectively, and vertical board II and the relative one side of vertical board I are fixed with the lug of a plurality of butt, be fixed with expanding spring between vertical board I and the sieve.

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

according to the invention, the dispersing mechanism is driven by the arranged driving mechanism, so that the dispersing shaft drives the dispersing rod to revolve around the hollow rotating shaft while rotating, the full rotation dispersing effect on the gravel is realized, the rapid screening of the gravel by the sieve plate is promoted, the arranged translation frame realizes reciprocating sliding under the driving of the elastic limiting mechanism, the full rotation stirring effect on different transverse positions on the sieve plate is realized, meanwhile, hot air generated by the blowing mechanism enters the screening cylinder and is fully contacted with the dispersed gravel, the drying effect is realized, the mobility of the gravel is promoted, and the screening efficiency is remarkably improved.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is an enlarged view of section C of FIG. 1;

FIG. 5 is a schematic partial top view of the present invention;

fig. 6 is a partial perspective view of the present invention.

In the figure: 1-fixed frame, 2-hot air blower, 3-delivery pipe, 4-bevel gear I, 5-driving motor, 6-dispersion shaft, 7-brush plate, 8-threaded sleeve, 9-sieve plate, 10-sieving barrel, 11-collecting tank, 12-dispersion rod, 13-air-jetting disc, 14-bevel gear II, 15-vertical rod, 16-T-shaped slide block, 17-limiting plate I, 18-limiting plate II, 19-spring ring, 20-sliding sleeve, 21-hollow rotating shaft, 22-pull rod, 23-straight rack, 24-transmission gear, 25-coaming, 26-arc block, 27-guide wheel, 28-translation frame, 29-expansion spring, 30-vertical plate I, 31-lug, 32-vertical plate II, 33-incomplete bevel gear.

Detailed Description

The technical scheme of the patent is further described in detail by combining the following specific embodiments:

example 1

Referring to fig. 1-6, a gravel hot air screening device for municipal engineering construction comprises a fixed frame 1, a screening cylinder 10 is fixed in the fixed frame 1, a driving motor 5 is fixed on the fixed frame 1, the driving motor 5 is connected with a driving mechanism in a driving manner, the driving mechanism is rotationally driven to have a hollow rotating shaft 21 extending into the screening cylinder 10, a straight rack 23 is fixed on the side wall of the hollow rotating shaft 21, a translation frame 28 is slidably sleeved on the straight rack 23, a dispersing mechanism for dispersing gravel is arranged on the translation frame 28, a translation driving mechanism for driving the translation frame 28 to transversely move is arranged on the screening cylinder 10, a hot air blower 2 is fixed on the top of the fixed frame 1, an air blowing mechanism located in the screening cylinder 10 is connected on the hot air blower 2, a screen plate 9 is slidably installed in the screening cylinder 10, a threaded sleeve 8 threaded on the hollow rotating shaft 21 is fixed on the screen plate 9, and an excitation mechanism is arranged between the sieve plate 9 and the fixed frame 1.

The screening section of thick bamboo 10 that sets up in this device is inside to be used for depositing the grit that the dress will carry out screening processing, and the actuating mechanism who sets up drives dispersion mechanism, realizes the dispersion effect to the grit for the screening of sieve 9 to the grit.

Specifically, the driving mechanism comprises an incomplete bevel gear 33 driven by the driving motor 5, and bevel gears I4 and II14 sleeved and fixed on the hollow rotating shaft 21 are alternately engaged and connected to the incomplete bevel gear 33. The driving motor 5 drives the incomplete bevel gear 33 to rotate, the incomplete bevel gear 33 is alternately meshed with the bevel gear I4 and the bevel gear II14, at the moment, the hollow rotating shaft 21 rotates clockwise and anticlockwise alternately, clockwise and anticlockwise alternate rotation of the dispersing mechanism is achieved, the dispersing degree of sand is remarkably pushed up, and full screening of the sand is promoted.

The dispersing mechanism comprises a dispersing shaft 6 rotatably mounted on a translation frame 28, a transmission gear 24 meshed with a spur rack 23 is fixedly sleeved on the dispersing shaft 6, a plurality of dispersing rods 12 are fixedly arranged on the upper side wall of the dispersing shaft 6 at equal intervals, and a brush plate 7 in contact with a sieve plate 9 is fixedly arranged at the bottom of the dispersing shaft 6. The dispersion mechanism further comprises a sliding sleeve 20 which is sleeved on the hollow rotating shaft 21, a pull rod 22 is hinged between the sliding sleeve 20 and the translation frame 28, an elastic limiting mechanism is arranged between the sliding sleeve 20 and the fixing frame 1, a coaming 25 is fixed on the inner wall of the sieving cylinder 10, a plurality of arc blocks 26 are uniformly fixed on the inner wall of the coaming 25 in the circumferential direction, and a guide wheel 27 which is intermittently abutted to the arc blocks 26 is fixed on the side wall of the translation frame 28.

Elastic guide mechanism is including fixing the limiting plate II18 at the 20 lateral walls of sliding sleeve, and vertical pole 15 is worn to be equipped with in the vertical slip on the limiting plate II18, vertical pole 15 goes up the cover and is established and be fixed with limiting plate I17, is fixed with spring coil 19 between limiting plate I17 and the limiting plate II18, be fixed with the hoop slip on the limiting plate I17 and inlay the T slider 16 of establishing on mount 1.

Through the arrangement, the straight rack 23 is driven to rotate in the rotating process of the hollow rotating shaft 21, the straight rack 23 drives the translation rack 28 on the straight rack to rotate, and then the dispersion shaft 6 rotates around the center of the hollow rotating shaft 21, namely the dispersion rod 12 rotates around the center of the hollow rotating shaft 21 to disperse sand.

Meanwhile, under the elastic action of the spring ring 19, the sliding sleeve 20 can slide in the vertical direction relative to the hollow rotating shaft 21, at the moment, the pull rod 22 drives the translation frame 28 to move transversely, and the guide wheel 27 on the translation frame 28 is alternately abutted and rolled with the inner wall of the coaming 25 and the arc block 26, so that the transverse reciprocating translation effect of the translation frame 28 is realized, the transmission gear 24 is meshed and connected with the straight rack 23 to realize rotation along with the transverse movement process of the dispersion shaft 6, namely, the dispersion shaft 6 drives the dispersion rod 12 on the dispersion shaft to rotate, and the full rotation dispersion of the sand in the sieving cylinder 10 is realized.

Example 2

In addition, on the basis of embodiment 1, the blowing mechanism of the device comprises a delivery pipe 3 connected with the outlet end of the hot air blower 2, the delivery pipe 3 extends to the delivery pipe 3 inside the hollow rotating shaft 21, and the air injection plate 13 communicated with the side wall of the hollow rotating shaft 21 is fixed.

Inside hot-air that 2 air heaters produced of setting carried to hollow rotating shaft 21 through conveyer pipe 3, finally spout into screening section of thick bamboo 10 from jet-propelled dish 13 inside, hot-air and the grit of dispersion carried out abundant contact, realized the effective drying to the grit, promoted the mobility of grit, and screening efficiency is showing and is promoting.

Further, the excitation mechanism of this device is including fixing at vertical board II32 and the vertical board I30 of sieve 9 bottom and mount 1 lateral wall respectively, and vertical board II32 and the relative one side of vertical board I30 are fixed with the lug 31 of a plurality of butt, be fixed with expanding spring 29 between vertical board I30 and the sieve 9.

The hollow rotating shaft 21 that sets up drives the vertical reciprocal lift of threaded sleeve 8 with it threaded connection in-process in clockwise and anticlockwise rotation for dispersion rod 12 carries out abundant stirring effect to the grit, and simultaneously, the vertical lift of vertical board II32, and lug 31 looks mutual friction butt on vertical board II32 and the vertical board I30 realizes the vibration of sieve 9, has promoted the high-efficient screening of grit on the sieve 9.

In conclusion, the dispersing mechanism is driven by the arranged driving mechanism, the dispersing shaft 6 drives the dispersing rods 12 to revolve around the hollow rotating shaft 21 while rotating, so that the full rotation dispersing effect on the gravels is realized, the rapid screening of the gravels by the sieve plate 9 is promoted, the arranged translation frame 28 realizes reciprocating sliding under the driving of the elastic limiting mechanism, the full rotation stirring effect on different transverse positions on the sieve plate 9 is realized, meanwhile, hot air generated by the air blowing mechanism enters the sieving cylinder 10 and is fully contacted with the dispersed gravels, the drying effect is realized, the flowability of the gravels is promoted, and the screening efficiency is remarkably improved.

It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these changes and substitutions belong to the protection scope of the present invention. The protection scope of this technical solution patent should be subject to the appended claims.

Claims

1. The utility model provides a hot-blast screening plant of grit of municipal works construction, includes mount (1), mount (1) internal fixation has a screening section of thick bamboo (10), its characterized in that, be fixed with driving motor (5) on mount (1), driving connection has actuating mechanism on driving motor (5), actuating mechanism goes up the drive and rotates and have cavity pivot (21) that extend to in screening section of thick bamboo (10), cavity pivot (21) lateral wall is fixed with spur rack (23), and sliding sleeve is equipped with translation frame (28) on spur rack (23), is equipped with on translation frame (28) to be used for carrying out the dispersion mechanism that disperses the grit, be equipped with the translation actuating mechanism who is used for driving translation frame (28) lateral shifting on screening section of thick bamboo (10), mount (1) top is fixed with air heater (2), is connected with on air heater (2) to be located the inside air-blast mechanism of screening section of thick bamboo (10), a sieve plate (9) is arranged in the sieving barrel (10) in a sliding mode, a threaded sleeve (8) which is sleeved on the hollow rotating shaft (21) in a threaded mode is fixed on the sieve plate (9), and an excitation mechanism is arranged between the sieve plate (9) and the fixing frame (1).

2. The hot-air screening device for sand and stone for municipal engineering construction according to claim 1, wherein the driving mechanism comprises an incomplete bevel gear (33) driven by the driving motor (5), and bevel gears I (4) and bevel gears II (14) sleeved and fixed on the hollow rotating shaft (21) are alternately meshed and connected to the incomplete bevel gear (33).

3. The hot-air sand and stone screening device for municipal engineering construction according to claim 1, wherein the dispersing mechanism comprises a dispersing shaft (6) rotatably mounted on the translation frame (28), a transmission gear (24) meshed with the spur rack (23) is fixedly sleeved on the dispersing shaft (6), a plurality of dispersing rods (12) are fixedly arranged on the upper side wall of the dispersing shaft (6) at equal intervals, and a brush plate (7) in contact with the screen plate (9) is fixedly arranged at the bottom of the dispersing shaft (6).

4. The hot-air screening plant of grit of municipal works construction according to claim 1 or 3, characterized in that, dispersion mechanism still includes sliding sleeve (20) that the slip cover was established on cavity pivot (21), and it has pull rod (22) to articulate between sliding sleeve (20) and translation frame (28), is equipped with elasticity stop gear between sliding sleeve (20) and mount (1), screening section of thick bamboo (10) inner wall is fixed with bounding wall (25), and bounding wall (25) inner wall hoop is evenly fixed with a plurality of arc piece (26), translation frame (28) lateral wall is fixed with guide pulley (27) with arc piece (26) intermittent type butt.

5. The hot-blast screening plant of grit of municipal works construction according to claim 4, characterized in that, elasticity guiding mechanism is including fixing limiting plate II (18) at sliding sleeve (20) lateral wall, and vertical pole (15) are worn to be equipped with in limiting plate II (18) the vertical slip, the cover is established and is fixed with limiting plate I (17) on vertical pole (15), is fixed with spring coil (19) between limiting plate I (17) and limiting plate II (18), be fixed with on limiting plate I (17) the hoop slip and inlay T word slider (16) of establishing on mount (1).

6. The hot-blast screening plant of grit that municipal works were under construction according to claim 1, characterized by, the blast mechanism includes the conveyer pipe (3) of being connected with the air heater (2) exit end, conveyer pipe (3) extend to the conveyer pipe (3) of the inside of well idle shaft (21), the air jet plate (13) that communicates with it is fixed to the lateral wall of cavity pivot (21).

7. The gravel hot air screening device for municipal engineering construction according to claim 1, wherein the vibration excitation mechanism comprises a vertical plate II (32) and a vertical plate I (30) which are respectively fixed on the bottom of the screen plate (9) and the side wall of the fixing frame (1), a plurality of abutted lugs (31) are fixed on one opposite side of the vertical plate II (32) and the vertical plate I (30), and a telescopic spring (29) is fixed between the vertical plate I (30) and the screen plate (9).