CN113318956A

CN113318956A - Municipal works construction that stability is high is with screening sand device

Info

Publication number: CN113318956A
Application number: CN202110456318.0A
Authority: CN
Inventors: 吴明森; 陈桌记
Original assignee: Guangdong Junkun Construction Co ltd
Current assignee: Guangdong Junkun Construction Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-08-31

Abstract

The invention discloses a high-stability sand screening device for municipal engineering construction, which comprises a tank cover, a tank body, a protective cover, supporting legs, a screening hopper, a discharge pipe, a through groove and a motor, wherein the tank cover is arranged at the upper end of the tank body, the upper surface of the tank cover is provided with a feeding hopper, the screening hopper is arranged in the tank body, the lower end of the screening hopper is connected with the discharge pipe, the through groove is formed in the inner wall of the bottom end of the screening hopper, a screen is embedded and installed in the through groove, the protective cover is arranged on the outer wall of one side of the tank body, the motor is arranged in the protective cover, a driving wheel is arranged below the motor, and a driven wheel is arranged on the outer wall of the lower end of the discharge pipe. According to the invention, the motor is arranged to drive the sieve hopper to rotate, so that gravel scattered through the conical hopper can be uniformly sprinkled in the sieve hopper, the sieve hopper can rotate to pave the gravel on the surface of the sieve screen through centrifugal force, the sieving efficiency is accelerated, and compared with the existing vibrating sieving, the stability is higher.

Description

Municipal works construction that stability is high is with screening sand device

Technical Field

The invention relates to the technical field of municipal construction equipment, in particular to a high-stability sand screening device for municipal engineering construction.

Background

In municipal construction process, concrete and cement are the indispensable material in the construction process, and cement can possess different usage according to the sand granule size of mixing, when needs use careful cement, need use the less sand of granularity, consequently need sieve the sand of construction site.

Through the massive search, the prior art is found, the publication number is CN107234057A, and a vibrating screen sand table is disclosed, which belongs to the technical field of mining machinery. The vibrating screen comprises a vibrating frame, a vibrating device and a transmission device, wherein a screen is arranged in the vibrating frame; side plates are arranged on two sides of the vibration frame; the vibrating device is arranged on the lower side of the vibrating frame and comprises a transmission rod, a cam and a push rod; the cam is provided with a cross through hole, the transmission rod comprises a cross rod and round rods, the round rods are arranged at two ends of the cross rod, and the transmission rod is arranged on the two side plates through the round rods; the cam is matched with the cross rod through the cross through hole; two ends of the limiting plate are welded on the two side plates, and the limiting plate is provided with a row of ejector rods; convex caps and a top plate are welded at two ends of the ejector rod respectively, the convex caps are matched with the cams, and springs are matched between the top plate and the screen. The cam device is used for intensively vibrating the screen, so that the vibration frequency of the vibrating screen is improved, and the vibration efficiency of the vibrating screen is further improved.

In conclusion, in the using process of the existing vibrating sand screening equipment, because the vibrating motor is arranged in the equipment, the equipment can vibrate together with the whole equipment in the operation process, noise can be generated, the stability of the equipment in placement can be influenced, the construction period can be delayed if the equipment topples over due to vibration, meanwhile, the safety of workers can be threatened, and therefore the stability of the sand screening equipment is particularly important in the actual construction process.

Disclosure of Invention

The invention aims to provide a high-stability sand screening device for municipal engineering construction, which aims to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a municipal works construction that stability is high is with screening husky device, includes cover, the jar body, protection casing, supporting leg, sieve hopper, row's material pipe, leads to groove and motor, jar body upper end is provided with the cover, the cover upper surface is provided with the feeder hopper, the internal portion of jar is provided with the sieve hopper, sieve hopper lower extreme is connected with row's material pipe, sieve hopper bottom inner wall is seted up and is the logical groove that circular array distributes, it installs the screen cloth to lead to the equal embedding of inslot portion, jar body one side outer wall is provided with the protection casing, the inside motor that is provided with of protection casing, the motor below is provided with the action wheel, it is provided with from the driving wheel to arrange material pipe lower extreme outer wall, sieve hopper upper end outer wall welding has the second spacing ring, jar body upper end inner wall is provided with the support ring.

Preferably, the inner part of the upper end of the tank cover is provided with a conical hopper, the outer wall of the conical hopper is welded with connecting rods distributed in a circular array, and the upper end of each connecting rod is welded with the inner wall of the upper end of the tank cover.

Preferably, the outer wall of the bottom end of the tank body is welded with supporting legs distributed in a rectangular array, the lower ends of the supporting legs are welded with bases, and bolts are inserted into four corners of each base in an inserted mode.

Preferably, the through-hole has been seted up to jar body one side outer wall, the inside belt that is provided with of through-hole, inside cup jointing respectively in belt both ends with the action wheel and from the driving wheel outer wall.

Preferably, the outer wall of the upper end of the tank body and the outer wall of the lower end of the tank cover are both welded with connecting blocks distributed in a circular array, and first bolts are inserted into the connecting blocks;

the jar body deviates from protection casing one side outer wall bottom and is provided with row's hopper.

Preferably, the outer wall of the upper end of the discharge pipe is welded with a first limiting ring, the outer wall of the upper end of the discharge pipe is sleeved with a hoop, a bearing is embedded in the hoop, and the bearing is rotatably connected with the outer wall of the discharge pipe;

the staple bolt outer wall welding has the bracing piece that is circular array distribution, the bracing piece welds with jar internal wall mutually.

Preferably, the lower end of the discharge pipe penetrates through the outer wall of the bottom end of the tank body.

Preferably, pulleys distributed in a circular array are embedded in the upper surface of the support ring, and the pulleys are in sliding contact with the lower surface of the second limiting ring.

Preferably, the inner wall of the through groove is welded with an inner lining strip, the four corners of the inner lining strip are provided with screw holes, and the four corners of the screen are provided with second bolts penetrating through the screw holes.

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

1. according to the invention, the motor is arranged to drive the screening hopper to rotate, so that the vibration generated by the whole equipment can be effectively reduced, the stability of the equipment can be effectively improved, and the bolt can be inserted into the ground where the equipment is placed by matching with the bolt on the surface of the base, so that the stability of the equipment is further improved, accidents are avoided, and the placing stability of the equipment is improved.

2. According to the sand screening device, the tank body and the tank cover are designed in a separated mode, so that a constructor can conveniently replace a screen according to different granularity of screened sand, in the actual use process, the sand to be screened enters the tank body through the feed hopper, the sand is spread on the surface of the conical hopper after passing through the conical hopper and flows into the screen hopper in a dispersing mode, the motor drives the screen hopper to rotate, the sand can be spread in the screen hopper through centrifugal force, the area of the screen is comprehensively utilized, the sand screening efficiency can be accelerated, shaking generated in the operation process of the device is reduced, and the sand screening device is more beneficial to actual construction and use.

Drawings

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

FIG. 2 is a schematic view of a discharge pipe of the present invention in a cross-sectional enlarged configuration;

FIG. 3 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure B of FIG. 2 according to the present invention;

fig. 5 is a schematic view of the internal structure of the shield according to the present invention.

Fig. 6 is a schematic top view of a sieve hopper of the present invention.

Fig. 7 is a schematic cross-sectional structure view of the base of the present invention.

In the figure: 1. a feed hopper; 2. a can lid; 3. a tank body; 4. a protective cover; 5. supporting legs; 6. a base; 7. screening the hopper; 8. a discharge pipe; 9. a discharge hopper; 10. a support bar; 11. screening a screen; 12. a conical hopper; 13. a connecting rod; 14. a through groove; 15. a first limit ring; 16. hooping; 17. a belt; 18. a driven wheel; 19. a bearing; 20. a second stop collar; 21. a pulley; 22. a support ring; 23. connecting blocks; 24. a first bolt; 25. an inner lining strip; 26. a screw hole; 27. a second bolt; 28. a motor; 29. a driving wheel; 30. a through hole; 31. and (4) a bolt.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 7, three embodiments of the present invention are shown:

the first embodiment is as follows:

the utility model provides a municipal works construction that stability is high is with screening sand device, including the cover 2, jar body 3, protection casing 4, supporting leg 5, sieve hopper 7, arrange material pipe 8, it is provided with cover 2 to lead to groove 14 and motor 28, jar body 3 upper end is provided with cover 2, jar body 3 upper end outer wall and 2 lower extreme outer walls of cover all weld have be connecting block 23 that circular array distributes, connecting block 23 is inside all pegged graft to have first bolt 24, jar body 3 adopts the disconnect-type design with cover 2, can be in the constructor of being convenient for select the screen cloth 11 of different specifications according to the difference of required sand granule size, and separate cover 2 and jar body 3, the constructor of being convenient for changes screen cloth 11, the flexibility that actual construction used has effectively been improved.

2 upper surfaces of cover 2 are provided with

feeder hopper

1, 2 inside toper hoppers 12 that are provided with in upper end of cover, the welding of toper hopper 12 outer wall has connecting rod 13 that is circular array distribution, connecting rod 13 upper end welds with 2 upper end inner walls of cover mutually, treat that the sand of screening passes through feeder hopper 1 and gets into jar internal 3, the sand can fight 12 contacts with the toper in the in-process that falls down, the sand can be fought 12 surfaces at the toper and pave, thereby evenly scatter inside sieve hopper 7, can effectively reduce the sand and produce local accumulational problem in sieve hopper 7, thereby avoid the sand to pile up in sieve hopper 7 part, and produce the eccentric problem that produces the vibration when causing sieve hopper 7 to rotate, sieve hopper 7 pivoted stability and reduction mechanical wear have effectively been ensured.

The welding of 3 bottom outer walls of the jar body has supporting leg 5 that is the rectangular array and distributes, and the base 6 has all been welded to the 5 lower extremes of supporting leg, and 6 four corners departments of base have all been pegged graft and have been had bolt 31, and jar body 3 deviates from 4 one side outer wall bottoms of protection casing and is provided with row hopper 9, and bolt 31 can peg graft in the ground of equipment department of putting, can improve the stability of being connected between base 6 and the ground, further ensures placing stability of equipment.

Example two:

jar body 3 is inside to be provided with sieve hopper 7, and sieve hopper 7 lower extreme is connected with row's material pipe 8, arranges the material pipe 8 lower extreme and runs through jar body 3 bottom outer walls, and after the sand passed through screen cloth 11, the sand that the granularity is little can drop at jar body 3 bottom inner walls to discharge through row's hopper 9, the sand that does not pass through screen cloth 11 converges in row material pipe 8, thereby realizes that the different sand of granularity separates. Arrange the welding of material 8 upper end outer walls of pipe and have first spacing ring 15, arrange that material 8 upper end outer walls of pipe have cup jointed staple bolt 16, and bearing 19 is installed to 16 inside imbeds of staple bolt, and bearing 19 rotates with row material 8 outer walls of pipe to be connected, and 16 outer wall welding of staple bolt have be the bracing piece 10 that circular array distributes, and bracing piece 10 welds with 3 inner walls of the jar body mutually. First spacing ring 15 can carry on spacingly to sieve hopper 7, cooperates staple bolt 16 and bearing 19, can carry out accurate positioning to sieve hopper 7 bottom, and bearing 19 can ensure sieve hopper 7 together with arrange the rotational fluency of expecting 8, reduces the produced mechanical wear of rotation in-process.

The through groove 14 that is circular array distribution is seted up to 7 bottom inner walls of sieve hopper, and the screen cloth 11 is installed in the inside equal embedding of through groove 14, and the inner liner 25 has all been welded to the through groove 14 inner wall, and screw 26 has all been seted up to inner liner 25 four corners department, and the screen cloth 11 four corners department all is provided with the second bolt 27 that runs through screw 26. Sieve hopper 7 rotates the in-process, and sand rotates on screen cloth 11 surface, and partial sand accessible screen cloth 11, inside lining strip 25 can support screen cloth 11 edge to fix through second bolt 27, not only make things convenient for constructor to change screen cloth 11, can also ensure screen cloth 11's stability.

The welding of 7 upper ends outer walls of sieve hopper has second spacing ring 20, the internal wall of 3 upper ends of jar is provided with support ring 22, support ring 22 upper surface inside embedding is installed and is the pulley 21 of circular array distribution, pulley 21 and the sliding contact of 20 lower surfaces of second spacing ring, support ring 22 cooperation second spacing ring 20, can carry on spacingly to sieve hopper 7 upper end, reduce the problem that sieve hopper 7 rotates and produce the slope, and pulley 21 can make and realize smooth relative slip between second spacing ring 20 and the support ring 22, produced mechanical wear is littleer, the production of noise has still been reduced simultaneously.

Example three:

the outer wall of one side of the tank body 3 is provided with the protection cover 4, the motor 28 is arranged in the protection cover 4, certainly, as is known to those skilled in the art, the motor 28 is provided with common knowledge, the common knowledge or the conventional means is adopted, the description is omitted, the technical personnel in the field can carry out any selection according to the needs or the convenience, the driving wheel 29 is arranged below the motor 28, the protection cover 4 can protect the motor 28 and the driving wheel 29, the injury caused by the mistaken touch of constructors is avoided, and the safety factor of the equipment is improved.

Arrange material 8 lower extreme outer wall and be provided with from driving wheel 18, through-hole 30 has been seted up to jar body 3 one side outer wall, the inside belt 17 that is provided with of through-hole 30, the belt 17 both ends are inside cup joints respectively with action wheel 29 and follow driving wheel 18 outer wall, motor 28 rotates through driving action wheel 29, action wheel 29 passes through belt 17 and drives from driving wheel 18 and rotate to it carries out synchronous rotation to drive row material pipe 8 and sieve hopper 7, realizes the effect of rotation screening.

The working principle is as follows: inside the sand that waits to sieve gets into jar body 3 through feeder hopper 1, the sand can contact with toper fill 12 at the in-process that falls down, the sand can pave on toper fill 12 surface, thereby evenly scatter inside sieve hopper 7, can effectively reduce the sand and produce local accumulational problem in sieve hopper 7, thereby avoid the sand to pile up in sieve hopper 7 part, and produce the eccentric problem that produces vibration when causing sieve hopper 7 to rotate, sieve hopper 7 pivoted stability has effectively been ensured and mechanical wear has been reduced, and bolt 31 can peg graft in the ground of equipment locating, can improve the stability of being connected between base 6 and the ground, further guarantee the stability of placing of equipment.

Motor 28 rotates through driving action wheel 29, action wheel 29 passes through belt 17 and drives from driving wheel 18 and rotate, thereby it carries out synchronous rotation to drive row material pipe 8 and sieve hopper 7, realize rotating the effect of screening, sieve hopper 7 rotates the in-process, the sand rotates on the screen cloth 11 surface, partial sand accessible screen cloth 11, inside lining strip 25 can provide the support to screen cloth 11 edge, and fix through second bolt 27, not only make things convenient for constructor to change screen cloth 11, can also ensure screen cloth 11's stability, after the sand passes through screen cloth 11, the sand that the granularity is little can drop at jar body 3 bottom inner walls, and discharge through arranging material fill 9, the sand that does not pass through screen cloth 11 converges in row material pipe 8, thereby realize that the different sand of granularity separates.

Jar body 3 adopts the disconnect-type design with cover 2, can be in the constructor of being convenient for select the screen cloth 11 of different specifications according to the difference of required sand granule size to separate cover 2 and jar body 3, the constructor of being convenient for changes screen cloth 11, has effectively improved the flexibility that actual construction used.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a municipal works construction that stability is high is with screening husky device, includes cover (2), jar body (3), protection casing (4), supporting leg (5), sieve hopper (7), row material pipe (8), logical groove (14) and motor (28), its characterized in that: the utility model discloses a screening machine, including jar body (3), jar body (3) upper end is provided with cover (2), cover (2) upper surface is provided with feeder hopper (1), jar body (3) is inside to be provided with sieve hopper (7), sieve hopper (7) lower extreme is connected with row material pipe (8), sieve hopper (7) bottom inner wall is seted up and is led to groove (14) that the circular array distributes, it installs screen cloth (11) to lead to the inside equal embedding of groove (14), jar body (3) one side outer wall is provided with protection casing (4), inside motor (28) that are provided with of protection casing (4), motor (28) below is provided with action wheel (29), it is provided with from driving wheel (18) to arrange material pipe (8) lower extreme outer wall, sieve hopper (7) upper end outer wall welding has second spacing ring (20), jar body (3) upper end inner wall is provided with support ring (22).

2. The high-stability sand screening device for municipal engineering construction according to claim 1, wherein: the inner part of the upper end of the tank cover (2) is provided with a conical hopper (12), the outer wall of the conical hopper (12) is welded with connecting rods (13) distributed in a circular array, and the upper ends of the connecting rods (13) are welded with the inner wall of the upper end of the tank cover (2).

3. The high-stability sand screening device for municipal engineering construction according to claim 1, wherein: the outer wall welding of the bottom of the tank body (3) is provided with supporting legs (5) distributed in a rectangular array, the lower ends of the supporting legs (5) are all welded with a base (6), and four corners of the base (6) are all inserted with bolts (31).

4. The high-stability sand screening device for municipal engineering construction according to claim 1, wherein: through-hole (30) have been seted up to jar body (3) one side outer wall, through-hole (30) inside is provided with belt (17), inside cup jointing respectively with action wheel (29) and follow driving wheel (18) outer wall in belt (17) both ends.

5. The high-stability sand screening device for municipal engineering construction according to claim 1, wherein: the outer wall of the upper end of the tank body (3) and the outer wall of the lower end of the tank cover (2) are welded with connecting blocks (23) distributed in a circular array, and first bolts (24) are inserted into the connecting blocks (23);

the bottom end of the outer wall of one side of the tank body (3) departing from the protective cover (4) is provided with a discharge hopper (9).

6. The high-stability sand screening device for municipal engineering construction according to claim 1, wherein: the outer wall of the upper end of the discharge pipe (8) is welded with a first limiting ring (15), the outer wall of the upper end of the discharge pipe (8) is sleeved with a hoop (16), a bearing (19) is embedded in the hoop (16), and the bearing (19) is rotatably connected with the outer wall of the discharge pipe (8);

the welding of staple bolt (16) outer wall has bracing piece (10) that are circular array and distribute, bracing piece (10) and jar body (3) inner wall weld mutually.

7. The high-stability sand screening device for municipal engineering construction according to claim 1, wherein: the lower end of the discharge pipe (8) penetrates through the outer wall of the bottom end of the tank body (3).

8. The high-stability sand screening device for municipal engineering construction according to claim 1, wherein: the inside embedding of support ring (22) upper surface is installed and is pulley (21) that circular array distributes, pulley (21) and second spacing ring (20) lower surface sliding contact.

9. The high-stability sand screening device for municipal engineering construction according to claim 1, wherein: the inner wall of the through groove (14) is welded with inner lining strips (25), screw holes (26) are formed in the four corners of each inner lining strip (25), and second bolts (27) penetrating through the screw holes (26) are arranged in the four corners of the screen (11).