CN214077658U

CN214077658U - Civil engineering concrete mixer grit particle size screening installation

Info

Publication number: CN214077658U
Application number: CN202022148689.6U
Authority: CN
Inventors: 代坤垚
Original assignee: Quzhou Shuntong Building Materials Technology Co ltd
Current assignee: Quzhou Shuntong Building Materials Technology Co ltd
Priority date: 2020-09-26
Filing date: 2020-09-26
Publication date: 2021-08-31
Anticipated expiration: 2030-09-26

Abstract

The utility model relates to a civil engineering concrete mixer gravel particle size screening device in the technical field of constructional engineering, which comprises a screening box, wherein the top of the screening box is provided with a feeding pipe, the screening box is provided with a cross hole, the screening box is provided with a large material outlet hopper and a medium material outlet hopper at the outer wall of the cross hole, the screening box, the large material outlet hopper and the medium material outlet hopper are provided with threaded rods, threaded protective structures are arranged on the threaded rods, T-shaped plates are arranged on the threaded rods and connected with the screening box, rake rods are arranged at the bottom of the T-shaped plates and provided with magnet plates, iron first filter plates and second filter plates are magnetically bonded at the bottom of the magnet plates, the threaded rods are provided with upper gears and lower gears, the upper gears and the lower gears are provided with chains, the lower gears are connected with driving motors, the rake rods and the magnet plates move to rake gravel on the first filter plates and the second filter plates, thereby being beneficial to lifting gravel to contact with the first filter plates and the second filter plates, and the device is convenient for rapidly screening concrete in multiple stages, the burden of the workers is reduced, the screening efficiency is improved, and the screening is sufficient.

Description

Civil engineering concrete mixer grit particle size screening installation

Technical Field

The utility model relates to a building engineering technical field, concretely relates to civil engineering concrete mixer gravel particle size screening installation.

Background

The concrete aggregate is a granular loose material which plays a role in skeleton or filling in concrete, and is divided into coarse aggregate and fine aggregate, wherein the coarse aggregate refers to pebbles, broken stones and the like, the fine aggregate refers to natural sand, artificial sand and the like, the aggregate with the particle size of more than 4.75mm is called coarse aggregate and commonly called stones, the common aggregate comprises broken stones and pebbles, the broken stones are made of natural rocks or rocks through mechanical crushing and screening, the particle size of the broken stones is more than 4.75mm of rock particles, the pebbles are made of naturally weathered rock, water flow carrying, sorting and stacking, the particle size of the pebbles and the broken stones is more than 4.75mm of rock particles, and the pebbles and the broken stones with the length of more than 2.4 times of the average particle size of the corresponding grade of the particles are needle-shaped particles; the particles having a thickness of less than 0.4 times the average particle diameter are flaky particles.

When building engineering carries out the concrete preparation, the gravel need be used, the screening installation should be used in the grading of gravel, the concrete gravel screening installation in current building engineering field can't carry out quick convenient multistage screening to the concrete gravel, all is the manual work to screen, has increased staff's burden, greatly reduced the efficiency of screening, and screening easily not enough, simultaneously, the inconvenient material that clears up the screening structure top of screening installation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. For this reason, an object of the utility model is to provide a civil engineering concrete mixer grit particle size screening installation, mainly used solve concrete grit screening installation and can't carry out quick convenient multistage screening to the concrete grit, all are the manual work and filter, have increased staff's burden, greatly reduced the efficiency of screening, and easy screening not enough abundant, simultaneously, the inconvenient problem of clearing up the material of screening structure top of screening installation.

The utility model discloses a realize through following technical scheme: a civil engineering concrete mixer gravel particle size screening device comprises a screening box, a driving motor and an electric push rod, wherein a feeding pipe is fixedly connected with a through hole at the top of the screening box, two groups of same cross holes are formed in the left side wall of the screening box, a large material discharging hopper and a medium material discharging hopper are respectively and fixedly connected with the outer wall of the cross holes of the screening box, discharge holes are formed in the side walls of the large material discharging hopper and the medium material discharging hopper, the screening box, the large material discharging hopper and the medium material discharging hopper are respectively and rotatably connected with two groups of same threaded rods through fixedly connected bearings, a thread protection structure is arranged above the threaded rods, T-shaped plates are in threaded connection with the threaded rods, the T-shaped plates are in fit sliding connection with the inner wall of the screening box, the bottoms of the T-shaped plates are in sliding connection with rake rods through uniformly formed magnet chutes, plates are fixedly connected with the bottoms of the rake rods, and first filter plates and second filter plates which, the bottom of the first filter plate and the bottom of the second filter plate are evenly provided with height adjusting structures, the outer end of the threaded rod is fixedly connected with an upper gear and a lower gear respectively, the upper gear and the lower gear are connected with a chain in an engaged mode, the outer wall of the lower gear is fixedly connected with the output end of a driving motor, and the bottom of the screening box is fixedly connected with a small material discharging hopper.

As a further improvement of the scheme, the large discharging hopper and the medium discharging hopper are in right-angled trapezoids, and the large discharging hopper and the medium discharging hopper are arranged in opposite directions.

As a further improvement of the scheme, the thread protection structure adopts a U-shaped cover, the opening of the U-shaped cover faces downwards, the threaded rod is arranged in the U-shaped cover, and the U-shaped cover is fixedly connected with the inner walls of the screening box, the large discharging hopper and the medium discharging hopper.

As a further improvement of the scheme, the front inner wall and the rear inner wall of the large material outlet hopper and the middle material outlet hopper are fixedly connected with baffle strips, and the tops of the baffle strips are flush with the bottom of the cross hole in height.

As a further improvement of the above scheme, the height adjusting structure comprises a supporting plate and an electric push rod, the front side wall and the rear side wall of the screening box are fixedly connected with the supporting plate, the electric push rod is fixedly installed on the supporting plate, and the top of a telescopic rod of the electric push rod is fixedly connected with the first filter plate and the second filter plate.

As a further improvement of the above scheme, when the electric push rod is extended to the longest, the tops of the first filter plate and the second filter plate are at the same height with the bottom of the cross hole, and the tops of the magnet plates are in contact with the bottom of the T-shaped plate.

As a further improvement of the above scheme, the outer wall of the screening box is fixedly connected with a mounting plate, and the driving motor is fixedly connected with the mounting plate through a mounting frame fixedly connected with the mounting plate.

As a further improvement of the scheme, a reinforcing plate is fixedly connected between the bottom of the mounting plate and the outer wall of the screening box.

As a further improvement of the scheme, the driving motor and the electric push rod are both electrically connected with an external power supply, and the driving motor is a servo motor.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a gear revolve under the driving motor drives, the lower gear drives the chain activity, the chain drives gear revolve, upper gear and lower gear drive the threaded rod and rotate, the threaded rod rotates the drive T-shaped board and moves, T-shaped board drives the rake arm and the magnet board moves and harrow the grit on first filter plate and the second filter plate, help promoting the grit and contact with first filter plate and second filter plate, the device conveniently carries out quick multistage screening to the concrete grit, the burden of staff has been lightened, the efficiency of screening has been promoted, and the abundant of screening, simultaneously, driving motor chooses for use servo motor, make things convenient for the threaded rod to rotate bidirectionally, conveniently drive the rake arm round trip movement, the rake arm of being convenient for harrow the grit;

2. the utility model selects the U-shaped cover through the thread protection structure, the opening of the U-shaped cover is downward, and the threaded rod is arranged in the U-shaped cover, the U-shaped cover can prevent sand from falling on the surface of the threaded rod, thereby ensuring the cleanliness of the surface of the threaded rod, avoiding the sand from damaging the thread of the threaded rod, and prolonging the service life of the threaded rod;

3. the utility model discloses an when the electric putter of altitude mixture control structure extends to the longest, electric putter promotes first filter plate and second filter plate top and cross bore bottom and is in same height, and magnet board top and the laminating contact of T shaped plate bottom, complete push pedal is constituteed to magnet board and T shaped plate, the threaded rod drives complete push pedal and removes, complete push pedal is sent the material on making things convenient for first filter plate and the second filter plate and is got into in big material play fill and well material play fill, discharge from the discharge gate again for the material of device convenient clearance screening structure top.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the structure of the present invention;

FIG. 2 is a rear view of the structure of the present invention;

fig. 3 is a structural sectional view of the present invention;

fig. 4 is a sectional view of the structure at the axis of the present invention;

the reference numerals are as follows:

1. the screening box 2, the middle material discharging hopper 3, the discharging port 4, the large material discharging hopper 5, the feeding pipe 6, the lower gear 7, the chain 8, the upper gear 9, the driving motor 10, the reinforcing plate 11, the mounting plate 12, the small material discharging hopper 13, the T-shaped plate 14, the U-shaped cover 15, the rake rod 16, the second filter plate 17, the magnet plate 18, the electric push rod 19, the support plate 20, the first filter plate 21, the baffle strip 22, the threaded rod 23 and the transverse hole.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

Example 1

The civil engineering concrete mixer gravel particle size screening device shown in fig. 1-4 comprises a screening box 1, a driving motor 9 and an electric push rod 18, wherein the driving motor 9 and the electric push rod 18 are both electrically connected with an external power supply, the driving motor 9 selects a servo motor, a feed pipe 5 is fixedly connected with a through hole at the top of the screening box 1, two groups of same transverse holes 23 are arranged on the left side wall of the screening box 1, a large material outlet hopper 4 and a medium material outlet hopper 2 are respectively and fixedly connected with the outer wall of the transverse holes 23 of the screening box 1, the large material outlet hopper 4 and the medium material outlet hopper 2 are in right trapezoid shapes, the large material outlet hopper 4 and the medium material outlet hopper 2 are arranged in opposite directions, a discharge port 3 is arranged on the side wall of the large material outlet hopper 4 and the medium material outlet hopper 2, two groups of same threaded rods 22 are rotatably connected with bearings fixedly connected with the screening box 1, the large material outlet hopper 4 and the medium material outlet 2, a T-shaped plate 13 is connected with the threaded rods 22 by threads, the T-shaped plate 13 is attached and slidably connected with the inner wall of the screening box 1, the bottom of the T-shaped plate 13 is slidably connected with a rake rod 15 through a chute which is uniformly arranged, the bottom of the rake rod 15 is fixedly connected with a magnet plate 17, the front inner wall and the rear inner wall of the large discharging hopper 4 and the middle discharging hopper 2 are fixedly connected with a blocking strip 21 which is used for supporting the magnet plate 17, the top of the blocking strip 21 is flush with the bottom of a cross hole 23, the bottom of the magnet plate 17 is magnetically bonded with a first filter plate 20 and a second filter plate 16 which are made of iron, the outer end of a threaded rod 22 is respectively and fixedly connected with an upper gear 8 and a lower gear 6, the upper gear 8 and the lower gear 6 are both engaged and connected with a chain 7, the outer wall of the lower gear 6 is fixedly connected with the output end of a driving motor 9, the outer wall of the screening box 1 is fixedly connected with a mounting plate 11, the driving motor 9 is fixedly connected with the mounting plate 11 through a mounting frame which is fixedly connected, and a reinforcing plate 10 is fixedly connected between the bottom of the mounting plate 11 and the outer wall of the screening box 1, the bottom of the screening box 1 is fixedly connected with a small material outlet hopper 12. Drive gear 6 through driving motor 9 and rotate down, gear 6 drives 7 activities of chain, chain 7 drives gear 8 and rotates, it drives threaded rod 22 with gear 6 down to go up gear 8, threaded rod 22 rotates drive T shaped plate 13 and removes, T shaped plate 13 drives rake 15 and magnet plate 17 and removes and rake to the grit on first filter plate 20 and the second filter plate 16, help promoting grit and first filter plate 20 and the contact of second filter plate 16, the device conveniently carries out quick multistage screening to the concrete grit, staff's burden has been lightened, the efficiency of screening has been promoted, and the abundant of screening, and simultaneously, servo motor is chooseed for use to driving motor 9, make things convenient for threaded rod 22 two-way rotation, conveniently drive rake 15 round trip movement, it rakes the grit to be convenient for rake 15.

Example 2

As shown in fig. 1-4, a civil engineering concrete mixer gravel particle size screening device comprises a screening box 1, a driving motor 9 and an electric push rod 18, wherein the driving motor 9 and the electric push rod 18 are both electrically connected with an external power supply, the driving motor 9 selects a servo motor, a feed pipe 5 is fixedly connected with a through hole at the top of the screening box 1, two groups of same transverse holes 23 are arranged on the left side wall of the screening box 1, a large material discharging hopper 4 and a medium material discharging hopper 2 are respectively and fixedly connected with the outer wall of the transverse holes 23 of the screening box 1, the large material discharging hopper 4 and the medium material discharging hopper 2 are in right trapezoid shapes, the large material discharging hopper 4 and the medium material discharging hopper 2 are arranged in opposite directions, a discharge port 3 is arranged on the side wall of the large material discharging hopper 4 and the side wall of the medium material discharging hopper 2, two groups of same threaded rods 22 are rotatably connected with bearings fixedly connected with the screening box 1, the large material discharging hopper 4 and the medium material discharging hopper 2, a thread protection structure is arranged above the threaded rods 22, screw thread protection architecture chooses for use U-shaped cover 14, threaded rod 22 sets up in U-shaped cover 14, U-shaped cover 14 opening is down, U-shaped cover 14 and screening case 1, big material goes out to fight 4 and well material goes out 2 inner wall fixed connection of fighting, choose for use U-shaped cover 14 through screw thread protection architecture, U-shaped cover 14 opening is down, and threaded rod 22 sets up in U-shaped cover 14, U-shaped cover 14 can prevent the grit to fall to threaded rod 22 surface, threaded rod 22 surface's cleanliness factor has been guaranteed, can avoid the grit to cause the damage to threaded rod 22's screw thread, threaded rod 22's life has been prolonged.

Example 3

As shown in fig. 1-4, a civil engineering concrete mixer gravel particle size screening device comprises a screening box 1, a driving motor 9 and an electric push rod 18, wherein the driving motor 9 and the electric push rod 18 are both electrically connected with an external power supply, the driving motor 9 selects a servo motor, a feed pipe 5 is fixedly connected with a through hole at the top of the screening box 1, two groups of same transverse holes 23 are arranged on the left side wall of the screening box 1, a large material discharging hopper 4 and a medium material discharging hopper 2 are respectively and fixedly connected with the outer wall of the transverse holes 23 of the screening box 1, the large material discharging hopper 4 and the medium material discharging hopper 2 are in right trapezoid shapes, the large material discharging hopper 4 and the medium material discharging hopper 2 are arranged in opposite directions, a discharge port 3 is arranged on the side wall of the large material discharging hopper 4 and the medium material discharging hopper 2, two groups of same threaded rods 22 are rotatably connected with bearings fixedly connected with the screening box 1, the large material discharging hopper 4 and the medium material discharging hopper 2, a T-shaped plate 13 is connected with the threaded rods 22 by screw threads, the T-shaped plate 13 is attached to the inner wall of the screening box 1 in a sliding connection mode, the bottom of the T-shaped plate 13 is connected with a rake rod 15 in a sliding mode through evenly-arranged sliding grooves, the bottom of the rake rod 15 is fixedly connected with a magnet plate 17, the front inner wall and the rear inner wall of the large discharging hopper 4 and the middle discharging hopper 2 are fixedly connected with blocking strips 21 used for supporting the magnet plate 17, the tops of the blocking strips 21 are flush with the bottom of a cross hole 23 in height, a first filter plate 20 and a second filter plate 16 which are made of iron are magnetically bonded to the bottom of the magnet plate 17, height adjusting structures are evenly arranged at the bottoms of the first filter plate 20 and the second filter plate 16 and comprise a supporting plate 19 and an electric push rod 18, the front side wall and the rear side wall of the screening box 1 are fixedly connected with the supporting plate 19, the electric push rod 18 is fixedly installed on the supporting plate 19, the top of a telescopic rod of the electric push rod 18 is fixedly connected with the first filter plate 20 and the second filter plate 16, when the electric push rod 18 extends to the longest, the tops of the first filter plate 20 and the top of the second filter plate 16 are at the same height as the bottom of the cross hole 23, and magnet board 17 top and T shaped plate 13 bottom laminating contact, when electric putter 18 through the altitude mixture control structure extends to the longest, electric putter 18 promotes first filter plate 20 and second filter plate 16 top and cross bore 23 bottom and is in same height, and magnet board 17 top and T shaped plate 13 bottom laminating contact, magnet board 17 and T shaped plate 13 constitute complete push pedal, threaded rod 22 drives complete push pedal and removes, complete push pedal sends and makes things convenient for material on first filter plate 20 and the second filter plate 16 to get into in big material play fill 4 and the well material play fill 2, discharge from discharge gate 3 again, make the device conveniently clear up the material of screening structure top.

The specific use is as follows: the gravel is added into the screening box 1 from the feeding pipe 5, the driving motor 9 of the servo motor drives the lower gear 6 to rotate, the lower gear 6 drives the chain 7 to move, the chain 7 drives the upper gear 8 to rotate, the upper gear 8 and the lower gear 6 drive the threaded rod 22 to rotate, the driving motor 9 facilitates the threaded rod 22 to rotate in two directions, the rake rod 15 is conveniently driven to move back and forth, the rake rod 15 is convenient to rake the gravel, the threaded rod 22 rotates to drive the T-shaped plate 13 to move, the T-shaped plate 13 drives the rake rod 15 and the magnet plate 17 to move to rake the gravel on the first filter plate 20 and the second filter plate 16, the contact of the gravel with the first filter plate 20 and the second filter plate 16 is facilitated, the device facilitates the rapid multistage screening of the concrete gravel, the workload of workers is relieved, the screening efficiency is improved, the screening is sufficient, after the screening is finished, the electric push rod 18 of the height adjusting structure is started, electric putter 18 extends to the longest, at this moment, electric putter 18 promotes first filter plate 20 and second filter plate 16 top and cross bore 23 bottom and is in same height, and magnet board 17 top and T shaped plate 13 bottom laminating contact, in raking arm 15 slided into the spout of T shaped plate 13, magnet board 17 and T shaped plate 13 constitute complete push pedal, threaded rod 22 drives complete push pedal and removes, complete push pedal sends the material that makes things convenient for on first filter plate 20 and the second filter plate 16 to get into in big material play fill 4 and the well material play fill 2, discharge from discharge gate 3 again, make the device conveniently clear up the material of screening structure top. When the threaded rod 22 rotates, the U-shaped cover 14 can prevent sand from falling onto the surface of the threaded rod 22, so that the cleanliness of the surface of the threaded rod 22 is ensured, the sand can be prevented from damaging the threads of the threaded rod 22, and the service life of the threaded rod 22 is prolonged.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a civil engineering concrete mixer grit particle size screening installation, includes screening case (1), driving motor (9) and electric putter (18), its characterized in that: the screening box is characterized in that an inlet pipe (5) is fixedly connected with a top through hole of the screening box (1), two groups of same transverse holes (23) are formed in the left side wall of the screening box (1), a large material discharging hopper (4) and a medium material discharging hopper (2) are respectively and fixedly connected with the outer wall of the transverse holes (23) of the screening box (1), a discharge hole (3) is formed in the side wall of the large material discharging hopper (4) and the side wall of the medium material discharging hopper (2), the screening box (1), the large material discharging hopper (4) and the medium material discharging hopper (2) are respectively and rotatably connected with two groups of same threaded rods (22) through bearings which are fixedly connected, a thread protection structure is arranged above the threaded rods (22), a T-shaped plate (13) is in threaded connection with the threaded rods (22), the T-shaped plate (13) is in sliding connection with the inner wall of the screening box (1) in a laminating manner, and rake rods (15) are in sliding connection with the bottoms of the T-shaped plates (13) through chutes which are uniformly formed, harrow pole (15) bottom fixedly connected with magnet board (17), magnet board (17) bottom magnetism bonds first filter plate (20) and second filter plate (16) that have iron, first filter plate (20) and second filter plate (16) bottom evenly are equipped with the altitude mixture control structure, gear (8) and lower gear (6) are gone up to threaded rod (22) outer end fixedly connected with respectively, it is connected with chain (7) to go up equal meshing of gear (8) and lower gear (6), the output fixed connection of lower gear (6) outer wall and driving motor (9), screening case (1) bottom fixedly connected with expects out fill (12) for a short time.

2. The civil engineering concrete mixer gravel particle size screening apparatus of claim 1, wherein: the large discharging hopper (4) and the medium discharging hopper (2) are in right-angled trapezoid shapes, and the large discharging hopper (4) and the medium discharging hopper (2) are arranged in opposite directions.

3. The civil engineering concrete mixer gravel particle size screening apparatus of claim 1, wherein: the thread protection structure is characterized in that a U-shaped cover (14) is selected, the opening of the U-shaped cover (14) faces downwards, the threaded rod (22) is arranged in the U-shaped cover (14), and the U-shaped cover (14) is fixedly connected with the inner walls of the screening box (1), the large discharging hopper (4) and the medium discharging hopper (2).

4. A civil engineering concrete mixer gravel particle size screening apparatus as claimed in claim 3, wherein: the front inner wall and the rear inner wall of the large material outlet hopper (4) and the middle material outlet hopper (2) are fixedly connected with baffle strips (21), and the tops of the baffle strips (21) are flush with the bottom of the cross hole (23).

5. The civil engineering concrete mixer gravel particle size screening apparatus of claim 1, wherein: the height adjusting structure comprises a supporting plate (19) and an electric push rod (18), the front side wall and the rear side wall of the screening box (1) are fixedly connected with the supporting plate (19), the electric push rod (18) is fixedly installed on the supporting plate (19), and the top of a telescopic rod of the electric push rod (18) is fixedly connected with the first filter plate (20) and the second filter plate (16).

6. The civil engineering concrete mixer gravel particle size screening apparatus of claim 5, wherein: when the electric push rod (18) extends to the longest, the tops of the first filter plate (20) and the second filter plate (16) and the bottom of the cross hole (23) are at the same height, and the top of the magnet plate (17) is in contact with the bottom of the T-shaped plate (13) in an attaching mode.

7. The civil engineering concrete mixer gravel particle size screening apparatus of claim 1, wherein: screening case (1) outer wall fixedly connected with mounting panel (11), driving motor (9) are through fixed connection's mounting bracket and mounting panel (11) fixed connection.

8. The civil engineering concrete mixer gravel particle size screening apparatus of claim 7, wherein: fixedly connected with reinforcing plate (10) between the bottom of mounting panel (11) and the outer wall of screening case (1).

9. The civil engineering concrete mixer gravel particle size screening apparatus of claim 7, wherein: the driving motor (9) and the electric push rod (18) are both electrically connected with an external power supply, and the driving motor (9) is a servo motor.