CN212759644U

CN212759644U - River sand screening plant for building engineering

Info

Publication number: CN212759644U
Application number: CN202021633230.9U
Authority: CN
Inventors: 王峥
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-08
Filing date: 2020-08-08
Publication date: 2021-03-23
Anticipated expiration: 2030-08-08

Abstract

The utility model provides a river sand screening device for constructional engineering, which comprises a base, wherein a door-shaped bracket is arranged on the base, a river sand screening mechanism is arranged on the door-shaped bracket, and a river sand collecting barrel matched with the river sand screening mechanism is detachably arranged on the base; a scattering cylinder with openings at the upper end and the lower end is arranged at the top of the door-shaped bracket, a feed hopper is arranged at the upper end of the scattering cylinder, and the lower end of the scattering cylinder is opposite to the river sand screening mechanism; a plurality of fixing rods are arranged in the scattering cylinder at intervals along the vertical direction, and conical scattering blocks are detachably arranged on the fixing rods; the utility model discloses compact structure can break up the river sand that hardens, is favorable to the river sand to sieve, and the screening effect is better, convenient to use.

Description

River sand screening plant for building engineering

Technical Field

The utility model relates to a river sand screening plant specifically is a river sand screening plant for building engineering.

Background

The building engineering refers to an engineering entity formed by the construction of various building constructions and their auxiliary facilities and the installation of lines, pipelines and equipment matched with them. The house building is characterized by comprising a top cover, a beam column, a wall, a foundation and a project which can form an internal space and meet the requirements of people on production, living, study and public activities.

In the construction process of the building engineering, river sand is needed to be used as a building material, and sand particles are different in size and need to be screened to obtain sand meeting the requirements. The existing river sand screening device finds that when part of river sand is hardened, the effect of screening the river sand is influenced, and the river sand screening device is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a river sand screening plant for building engineering to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a river sand screening device for constructional engineering comprises a base, wherein a door-shaped support is arranged on the base, a river sand screening mechanism is arranged on the door-shaped support, and a river sand collecting barrel matched with the river sand screening mechanism is detachably arranged on the base;

a scattering cylinder with openings at the upper end and the lower end is arranged at the top of the door-shaped bracket, a feed hopper is arranged at the upper end of the scattering cylinder, and the lower end of the scattering cylinder is opposite to the river sand screening mechanism; a plurality of fixed rods are arranged in the scattering cylinder at intervals along the vertical direction, and conical scattering blocks are detachably arranged on the fixed rods.

As a further aspect of the present invention: the river sand screening mechanism comprises a screening box, the upper end and the lower end of the screening box are arranged in an open mode, the upper end opening of the screening box corresponds to the scattering cylinder, and the lower end opening of the screening box corresponds to the river sand collecting barrel;

the lower end of the screening box is provided with a screen plate, and the door-shaped bracket is provided with a screening driving component which is connected with the screening box in a linkage manner.

As a further aspect of the present invention: the sieve plate consists of two meshed plates which are mutually matched and hinged at the lower end of the sieving box; the free end of each screen plate is connected with the screening box through a fixing bolt.

As a further aspect of the present invention: the screening driving assembly comprises limiting plates arranged on two sides of the door-shaped support, a plurality of connecting rods are arranged on each limiting plate in parallel at intervals, each connecting rod movably penetrates through the door-shaped support along the horizontal direction, the free end of each connecting rod is fixedly connected with the screening box, and a return spring is arranged between each limiting plate and the door-shaped support;

the installation cover is arranged on the door-shaped support on the periphery of one of the limiting plates, a cam matched with the limiting plate is rotatably connected in the installation cover through a rotating shaft, and a driving motor in linkage connection with the cam is arranged in the installation cover.

As a further aspect of the present invention: the bottom of the conical scattering block is provided with an arc-shaped groove matched with the fixing rod, a plurality of screw rods are arranged in the arc-shaped groove at intervals along the length direction, each screw rod movably penetrates through the fixing rod along the vertical direction, and the lower end of each screw rod is in threaded connection with a limiting nut.

As a further aspect of the present invention: handles are arranged on two sides of the river sand collecting barrel, a plurality of positioning grooves are arranged at the bottom of the river sand collecting barrel, positioning rods which are in one-to-one correspondence with the positioning grooves are arranged on the base, and the positioning rods are movably inserted into the corresponding positioning grooves along the vertical direction.

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

by adopting the structure, the utility model can break up the hardened river sand through the mutual cooperation among the breaking-up cylinder, the fixed rod and the conical breaking-up block, thereby ensuring that the river sand can be normally screened by the screening mechanism, and having better screening effect, compact structure and convenient use; and the conical scattering block is arranged, the upper tip part of the conical scattering block has small frictional resistance to materials, so that the abrasion can be reduced, and the service life is prolonged.

Further, the river sand collecting vessel can be dismantled with the base through the cooperation of locating lever and constant head tank and be connected to set up the handle in the both sides of river sand collecting vessel, when the river sand in the river sand collecting vessel collected a quantitative time, can directly mention the river sand collecting vessel through the handle, clear up or change, simple structure, easily operation. Simultaneously, the sieve of screening case lower extreme comprises two otter boards of mutually supporting, and each otter board one end is articulated with the screening case, and the other end passes through fixing bolt and screening case fixed connection, and when the coarse sand in the screening case reaches a certain amount, can open each otter board fast, discharge the coarse sand in the screening case and collect, simple structure, easily operation, facilitate the use. The utility model discloses compact structure can break up the river sand that hardens, is favorable to the river sand to sieve, and the screening effect is better, convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of a river sand screening device for construction engineering.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

In the figure: 1. a base; 2. a gantry support; 3. a river sand screening mechanism; 301. screening the box; 302. a sieve plate; 3021. a screen plate; 303. a sifting drive assembly; 3031. a limiting plate; 3032. a connecting rod; 3033. a return spring; 3034. mounting a cover; 3035. a cam; 3036. a drive motor; 4. a river sand collection barrel; 5. breaking the cylinder; 6. a feed hopper; 7. fixing the rod; 8. a conical break-up block; 9. an arc-shaped groove; 10. a screw; 11. a limit nut; 12. a handle; 13. positioning a groove; 14. and (5) positioning the rod.

Detailed Description

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

Referring to fig. 1-3, a river sand screening device for construction engineering comprises a base 1, wherein a gate-shaped support 2 is arranged on the base 1, a river sand screening mechanism 3 is arranged on the gate-shaped support 2, and a river sand collecting barrel 4 matched with the river sand screening mechanism 3 is detachably arranged on the base 1; a scattering cylinder 5 with openings at the upper end and the lower end is arranged at the top of the door-shaped bracket 2, a feed hopper 6 is arranged at the upper end of the scattering cylinder 5, and the lower end of the scattering cylinder 5 is opposite to the river sand screening mechanism 3; a plurality of fixing rods 7 are arranged in the scattering cylinder 5 at intervals along the vertical direction, and conical scattering blocks 8 are detachably arranged on the fixing rods 7. Hardened river sand can be scattered through the mutual matching among the scattering cylinder 5, the fixing rod 7 and the conical scattering block 8, the river sand can be normally screened by the river sand screening mechanism 3, the screening effect is good, the structure is compact, and the use is convenient; and the conical scattering block 8 is arranged, the upper tip part of the conical scattering block has small frictional resistance to materials, so that the abrasion can be reduced, and the service life is prolonged.

Specifically, the river sand screening mechanism 3 comprises a screening box 301, the upper end and the lower end of the screening box 301 are open, the upper end opening of the screening box 301 corresponds to the scattering cylinder 5, and the lower end opening of the screening box 301 corresponds to the river sand collecting barrel 4; the lower end of the screening box 301 is provided with a screen plate 302, and the door-shaped bracket 2 is provided with a screening driving component 303 which is linked with the screening box 301. River sand scattered by the scattering cylinder 5 falls into the screening box 301 for screening, fine sand enters the river sand collecting barrel 4 through the screen plate 302, and coarse sand is left in the screening box 301.

Further, the sieve plate 302 is composed of two net plates 3021 which are mutually matched and hinged at the lower end of the sieving box 301; the free end of each net plate 3021 is connected to the screening box 301 by means of fixing bolts. When the coarse sand in the screening box 301 reaches a certain amount, each screen plate 3021 can be opened quickly to discharge and collect the coarse sand in the screening box 301, and the screening box is simple in structure, easy to operate and convenient to use.

Still further, the sieving driving component 303 comprises limiting plates 3031 arranged at two sides of the door-shaped support 2, a plurality of connecting rods 3032 are arranged on each limiting plate 3031 in parallel at intervals, each connecting rod 3032 movably penetrates through the door-shaped support 2 along the horizontal direction, the free end of each connecting rod 3032 is fixedly connected with the sieving box 301, and a return spring 3033 is arranged between each limiting plate 3031 and the door-shaped support 2; a mounting cover 3034 is arranged on the door-shaped support 2 at the periphery of one of the limiting plates 3031, a cam 3035 which is adapted to the limiting plate 3031 is rotatably connected in the mounting cover 3034 through a rotating shaft, and a driving motor 3036 which is in linkage connection with the cam 3035 is arranged in the mounting cover 3034. By the mutual matching of the limiting plate 3031, the connecting rod 3032, the return spring 3033, the cam 3035 and the driving motor 3036, the screening box 301 can be driven to screen river sand.

In addition, the bottom of the conical scattering block 8 is provided with an arc-shaped groove 9 matched with the fixing rod 7, a plurality of screw rods 10 are arranged in the arc-shaped groove 9 at intervals along the length direction, each screw rod 10 movably penetrates through the fixing rod 7 along the vertical direction, and the lower end of each screw rod 10 is in threaded connection with a limiting nut 11. The conical scattering block 8 is detachably connected with the fixed rod 7 through the matching of the arc-shaped groove 9, the screw rod 10 and the limiting nut 11, the structure is simple and compact, and the conical scattering block 8 can be conveniently replaced.

Finally, handles 12 are arranged on two sides of the river sand collecting barrel 4, a plurality of positioning grooves 13 are arranged at the bottom of the river sand collecting barrel 4, positioning rods 14 which are in one-to-one correspondence with the positioning grooves 13 are arranged on the base 1, and the positioning rods 14 are movably inserted into the corresponding positioning grooves 13 along the vertical direction. The river sand collecting vessel 4 can be dismantled with base 1 through the cooperation of locating lever 14 and constant head tank 13 and be connected, and when the river sand in the river sand collecting vessel 4 collected a quantitative, can directly lift up river sand collecting vessel 4 through handle 12, clears up or changes, simple structure, easily operation.

In this embodiment, it should be noted that the driving motor 3036 adopted in the present application is a prior art, and therefore, the connection relationship and principle thereof are not described herein again.

The utility model discloses a theory of operation is: when the sand breaker is used, river sand enters the breaking cylinder 5 through the feed hopper 6, and when falling in the breaking cylinder 5, the river sand is broken through the mutual matching of the fixed rod 7 and the conical breaking block 8, so that hardening is avoided. The river sand after scattering falls into screening case 301 in, sieves the river sand through the cooperation of sieve 302 and sieve driving component 303, and fine sand falls into river sand collecting vessel 4 through sieve 302 in, and coarse sand stays in screening case 301.

After the screening is finished, the river sand collecting barrel 4 filled with the fine sand is lifted up through the lifting handle 12, then a new river sand collecting barrel 4 is replaced, then the two net plates 3021 are opened, and the coarse sand in the screening box 301 falls into the new river sand collecting barrel 4 for collection.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A river sand screening device for constructional engineering comprises a base (1) and is characterized in that a gate-shaped support (2) is arranged on the base (1), a river sand screening mechanism (3) is arranged on the gate-shaped support (2), and a river sand collecting barrel (4) matched with the river sand screening mechanism (3) is detachably arranged on the base (1);

a scattering cylinder (5) with openings at the upper end and the lower end is arranged at the top of the door-shaped bracket (2), a feed hopper (6) is arranged at the upper end of the scattering cylinder (5), and the lower end of the scattering cylinder (5) is opposite to the river sand screening mechanism (3); a plurality of fixing rods (7) are arranged in the scattering cylinder (5) at intervals along the vertical direction, and conical scattering blocks (8) are detachably arranged on the fixing rods (7).

2. The river sand screening device for the constructional engineering as claimed in claim 1, wherein the river sand screening mechanism (3) comprises a screening box (301), the upper end and the lower end of the screening box (301) are open, the upper end opening of the screening box (301) corresponds to the scattering cylinder (5), and the lower end opening of the screening box (301) corresponds to the river sand collecting barrel (4);

the lower end of the screening box (301) is provided with a screening plate (302), and the door-shaped bracket (2) is provided with a screening driving component (303) which is connected with the screening box (301) in a linkage way.

3. A river sand screening device for construction engineering as claimed in claim 2, wherein the screen plate (302) is composed of two net plates (3021) which are mutually matched and hinged at the lower end of the screening box (301); the free end of each net plate (3021) is connected with the screening box (301) through a fixing bolt.

4. The river sand screening device for the building engineering as claimed in claim 2, wherein the screening driving assembly (303) comprises limiting plates (3031) arranged at two sides of the door-shaped support (2), a plurality of connecting rods (3032) are arranged on each limiting plate (3031) in parallel at intervals, each connecting rod (3032) movably penetrates through the door-shaped support (2) along the horizontal direction, the free end of each connecting rod is fixedly connected with the screening box (301), and a return spring (3033) is arranged between each limiting plate (3031) and the door-shaped support (2);

a mounting cover (3034) is arranged on the door-shaped support (2) on the periphery of one of the limiting plates (3031), a cam (3035) matched with the limiting plate (3031) is rotatably connected in the mounting cover (3034) through a rotating shaft, and a driving motor (3036) which is linked with the cam (3035) is arranged in the mounting cover (3034).

5. The river sand screening device for the building engineering as claimed in claim 1, wherein the bottom of the conical scattering block (8) is provided with an arc-shaped groove (9) matched with the fixing rod (7), a plurality of screw rods (10) are arranged in the arc-shaped groove (9) at intervals along the length direction, each screw rod (10) penetrates through the fixing rod (7) in the vertical direction, and the lower end of each screw rod (10) is connected with a limit nut (11) in a threaded manner.

6. The river sand screening device for the building engineering as claimed in claim 1, wherein handles (12) are arranged on two sides of the river sand collecting barrel (4), a plurality of positioning grooves (13) are arranged at the bottom of the river sand collecting barrel (4), positioning rods (14) corresponding to the positioning grooves (13) in a one-to-one mode are arranged on the base (1), and the positioning rods (14) are movably inserted into the corresponding positioning grooves (13) in the vertical direction.