CN219581045U - A water conservancy engineering sand screening machine - Google Patents

Abstract

The utility model relates to a sand screening machine for hydraulic engineering, which comprises a box body, wherein a screening mechanism is arranged in the box body, a shell is arranged on the screening mechanism, a filter screen is attached to the lower surface of an inner cavity of the shell, a mounting mechanism is arranged in the shell and comprises four fixing plates fixed on the left side and the right side of the shell, a connecting plate is fixed between the two fixing plates, a through hole is formed in the left side of the connecting plate, and a sliding rod penetrating through and extending to the inside of the shell is connected in a sliding manner in the through hole. This hydraulic engineering screen sand machine, through the installation mechanism who sets up, the pulling pull rod drives slide bar and baffle and remove together to extrude first spring, can take out the filter screen, the pulling pull rod makes the inside that the casing was kept away from to the slide bar, puts into the casing with the filter screen, loosens the pull rod, the slide bar resets and blocks into the draw-in groove, fixed filter screen, not only fixed simple, can change the filter screen as required moreover.

Description

A water conservancy engineering sand screening machine

technical field

The utility model relates to the technical field of water conservancy engineering, in particular to a sand screening machine for water conservancy engineering.

Background technique

A water conservancy project is a project built to control and allocate natural surface water and groundwater to achieve the purpose of eliminating harm and rejuvenating benefits. It is also called a water project. A large amount of sand is used. The sand will be mixed with a large amount of large-grained sand and impurities during production and transportation, and the wet sand is easy to agglomerate. Direct use will affect the quality of the mixed concrete and affect the performance of water conservancy projects. The construction quality, therefore, needs to be separated from the sand and impurities by a sand sieving machine.

For example, a Chinese patent (notification number: CN 211330141 U) discloses a sand screening machine for water conservancy construction, which relates to the field of water conservancy engineering. There are symmetrical feeding holes, the inner top wall of the feeding hole is fixedly connected with a symmetrical connecting plate, and the inner wall of each sand screening box is fixedly connected with a symmetrical bearing plate, and the upper surface of each bearing plate is connected with each The bottom surfaces of the two connecting plates are fixedly connected, and the sides of the two connecting plates away from each other are provided with first through holes, and the inner side wall of the sand screening box is fixedly connected with a symmetrical inclined plate, and each inclined plate is far away from the inner side wall of the sand screening box. One side of the two connecting plates is fixedly connected to the side far away from each other, and the bottom surface of each inclined plate is provided with a second through hole. The sand screening machine for water conservancy construction effectively solves the problem of manual screening and improves the The speed of sand screening meets the demand for sand in construction.

There are still certain deficiencies in the above-mentioned sand screening machine for construction of water conservancy projects. The sand is filtered through the first screen and the second screen, but the mesh size of the first screen and the second screen is fixed, which is inconvenient to use. The replacement of the first screen and the second screen results in a poor filtering effect for sand of different sizes. Therefore, a water conservancy sand screening machine is proposed to solve the above problems.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a water conservancy engineering sand screening machine, which has the advantages of easy replacement, etc., and solves the problem that the existing hydraulic engineering sand screening machines are inconvenient to replace.

In order to achieve the above purpose, the utility model provides the following technical solutions: a water conservancy engineering sand screening machine, including a box body, the inside of the box body is provided with a screening mechanism, the screening mechanism is provided with a housing, the A filter screen is attached to the lower surface of the inner cavity of the housing, and a mounting mechanism is provided inside the housing;

The installation mechanism includes four fixing plates fixed on the left and right sides of the casing, a connecting plate is fixed between the two fixing plates, and a through hole is opened on the left side of the connecting plate, and the inside of the through hole slides A slide bar that penetrates and extends to the inside of the housing is connected. Pull bars are fixed on the opposite sides of the two slide bars. The outer surface of the slide bar is sleeved with a first spring. The outer surface of the slide bar A baffle is fixed, and the installation mechanism also includes two slots on the left and right sides of the filter screen.

Further, the sliding rod is slidably connected to the inside of the card slot, the housing and the box are both cuboids with a hollow interior and a missing upper end, and a discharge hole is opened on the lower surface of the housing.

Further, opposite sides of the two first springs are respectively fixed to opposite sides of the two baffle plates, and opposite sides of the two first springs are respectively fixed to opposite sides of the two connecting plates.

Further, the upper surface of the baffle is slidably connected to the lower surface of the upper fixing plate, and the lower surface of the baffle is slidably connected to the upper surface of the lower fixing plate.

Further, the screening mechanism includes a box body fixed on the right side of the box body, a motor is fixed on the lower surface of the inner cavity of the box, and a turntable is fixed on the output shaft of the motor, and the front side of the turntable is rotatably connected by a bearing seat. There is a rotating rod, the outer surface of the rotating rod is slidably connected with a moving plate, the left side of the moving plate is fixed with a connecting rod that penetrates and extends to the inside of the box, and the left side of the connecting rod is fixed with a vibration box. A collection box is slidably connected to the lower surface of the inner cavity of the vibrating box, and a plurality of telescopic rods are fixed on the left and right sides of the vibrating box, and the outer surface of the telescopic rods is sleeved with a second spring.

Further, the opposite sides of the two left and right second springs are respectively fixed on the left and right sides of the inner cavity of the box, and the opposite sides of the two left and right second springs are respectively fixed on the left and right sides of the vibration box.

Further, the housing is fixed on the upper surface of the vibration box, and the upper surface of the collection box is slidably connected to the lower surface of the housing.

Compared with the prior art, the technical solution of the present application has the following beneficial effects:

1. The water conservancy sand screen machine, through the installed installation mechanism, pulls the pull rod, drives the slide rod and the baffle to move together, and squeezes the first spring, then the filter screen can be taken out, pull the pull rod, and the slide rod is far away from the shell. Inside, put the filter screen into the housing, release the pull rod, the slide bar resets and snaps into the card slot to fix the filter screen, not only is it easy to fix, but also the filter screen can be replaced as needed.

2. The sand screening machine for water conservancy projects, through the set screening mechanism, the motor drives the turntable and the rotating rod to rotate together, and the rotating rod makes the moving plate, the connecting rod and the vibrating box move in a straight line from side to side, which is convenient for the filter screen to separate the sand from the sand. Stone sifting.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the enlarged structural schematic diagram of A place in Fig. 1 of the utility model;

Fig. 3 is a structural schematic diagram of the screening mechanism of the present invention.

In the figure: 1 box body, 2 screening mechanism, 201 box body, 202 motor, 203 turntable, 204 rotating rod, 205 moving plate, 206 connecting rod, 207 vibration box, 208 collecting box, 209 telescopic rod, 210 second spring , 3 shells, 4 filter screens, 5 installation mechanisms, 501 fixed plates, 502 connecting plates, 503 through holes, 504 slide bars, 505 pull bars, 506 first springs, 507 baffle plates, 508 card slots.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1, a kind of water conservancy engineering sand screening machine in the present embodiment, comprises box body 1, and the inside of box body 1 is provided with screening mechanism 2, is used for screening sand and gravel, and screening mechanism 2 is provided with Housing 3, the lower surface of the inner cavity of the housing 3 is fitted with a filter screen 4 for screening sand and stones, and two handles are fixed on the upper surface of the filter screen 4 to facilitate the removal of the filter screen 4. An installation mechanism 5 is provided to facilitate disassembly and assembly of the filter screen 4. Both the housing 3 and the box body 1 are cuboids with hollow interior and missing upper end. The lower surface of the housing 3 is provided with a discharge hole, which is convenient for the sieved sand to fall into. In box 1.

Please refer to Fig. 2, in order to facilitate the installation and replacement of the filter screen 4, the installation mechanism 5 in this embodiment includes four fixed plates 501 fixed on the left and right sides of the housing 3, and a connecting plate 502 is fixed between the two fixed plates 501 A through hole 503 is opened on the left side of the connecting plate 502, and the inside of the through hole 503 is slidably connected with a slide bar 504 that penetrates and extends to the inside of the housing 3, and a pull bar 505 is fixed on the opposite side of the two slide bars 504, The sliding rod 504 is conveniently pulled to move through the pull rod 505, the outer surface of the sliding rod 504 is sleeved with a first spring 506, the outer surface of the sliding rod 504 is fixed with a baffle 507, and the opposite sides of the two first springs 506 are respectively fixed on two On the opposite side of the first baffle 507, the opposite sides of the two first springs 506 are respectively fixed on the opposite sides of the two connecting plates 502, and the baffle 507 and the slide bar 504 are reset by the first spring 506. The mechanism 5 also includes two locking slots 508 opened on the left and right sides of the filter screen 4 .

Wherein, the sliding rod 504 is slidably connected to the inside of the locking groove 508 , and the filter screen 4 is fixed by the cooperation of the sliding rod 504 and the locking groove 508 .

In addition, the upper surface of the baffle 507 is slidably connected to the lower surface of the upper fixed plate 501, and the lower surface of the baffle 507 is slidably connected to the upper surface of the lower fixed plate 501 to increase the stability of the baffle 507 when moving.

The installation mechanism 5 in this embodiment pulls the pull rod 505, drives the slide rod 504 and the baffle plate 507 to move together, and squeezes the first spring 506, then the filter screen 4 can be taken out, pulls the pull rod 505, and makes the slide rod 504 away from the housing 3, put the filter screen 4 into the housing 3, loosen the pull rod 505, the slide rod 504 resets and snaps into the slot 508, and the fixation is completed.

Please refer to Fig. 3, in order to sieve sand and gravel, the sieving mechanism 2 in the present embodiment comprises the box body 201 that is fixed on the right side of box body 1, and the lower surface of box body 201 inner cavity is fixed with motor 202, and the motor 202 The output shaft is fixed with a turntable 203, the front of the turntable 203 is rotatably connected with a rotating rod 204 through a bearing seat, the outer surface of the rotating rod 204 is slidingly connected with a moving plate 205, and the left side of the moving plate 205 is fixed with a The connecting rod 206, the left side of the connecting rod 206 is fixed with a vibration box 207, and the lower surface of the vibration box 207 inner cavity is slidingly connected with a collection box 208, which is used to collect the sieved sand, and the left and right sides of the vibration box 207 are fixed. There are a plurality of telescopic rods 209, the outer surfaces of the telescopic rods 209 are sleeved with second springs 210, and the opposite sides of the left and right second springs 210 are respectively fixed on the left and right sides of the inner cavity of the box body 1, and the left and right second springs 210 The opposite sides of the two springs 210 are respectively fixed on the left and right sides of the vibrating box 207 to improve the screening effect of the vibrating box 207 .

Wherein, the housing 3 is fixed on the upper surface of the vibration box 207, and the sand screened by the filter screen 4 will enter the inside of the collection box 208 through the discharge hole, and the upper surface of the collection box 208 is slidingly connected to the lower surface of the housing 3 , improve the efficiency of collecting sand and prevent the sand from flying out when shaking.

In addition, two pulleys are fixed on the left and right sides of the collection box 208, and two slideways are provided on the left and right sides of the vibration box 207 inner cavity, the pulleys are slidably connected to the inside of the slideways, and the front of the vibration box 207 is hinged with The page door is convenient for taking out the collection box 208.

In the screening mechanism 2 in this embodiment, the motor 202 drives the turntable 203 and the rotating rod 204 to rotate together, and the rotating rod 204 rotates to make the moving plate 205, the connecting rod 206 and the vibrating box 207 do a linear motion from side to side together, which is convenient for the filter screen 4 to sieve point.

The working principle of the above-mentioned embodiment is:

(1) When the filter screen 4 needs to be replaced, pull the two pull rods 505 in opposite directions. The pull rods 505 drive the slide bar 504 to slide inside the through hole 503. It will drive the baffle plate 507 to move together, and squeeze the first spring 506 through the baffle plate 507. At this time, the filter screen 4 can be taken out by the handle. When the filter screen 4 needs to be installed, pull the pull bar 505 to make the slide bar 504 away from the shell After the inside of the body 3, put the filter screen 4 into the housing 3, loosen the pull rod 505, and the slide bar 504 will reset under the action of the first spring 506, so that the slide bar 504 snaps into the slot 508 to complete the fixation.

(2) Turn on the motor 202, and the motor 202 drives the turntable 203 to rotate. When the turntable 203 rotates, it will drive the rotating rod 204 to rotate together. By rotating the rotating rod 204, the moving plate 205 will be driven to move in a straight line from left to right. When the moving plate 205 moves, it will The connecting rod 206 drives the vibrating box 207 to move together, and the vibrating box 207 will vibrate under the action of the telescopic rod 209 and the second spring 210, which is convenient for the filter screen 4 to sieve sand and gravel.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. any such actual relationship or order exists between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A hydraulic engineering sand screening machine, comprising a casing (1), is characterized in that: the inside of the casing (1) is provided with a screening mechanism (2), and the screening mechanism (2) is provided with A housing (3), the lower surface of the inner cavity of the housing (3) is attached with a filter screen (4), and the inside of the housing (3) is provided with a mounting mechanism (5); The installation mechanism (5) includes four fixing plates (501) fixed on the left and right sides of the casing (3), and a connecting plate (502) is fixed between the two fixing plates (501), and the connecting plate The left side of (502) is provided with a through hole (503), and the inside of the through hole (503) is slidably connected with a slide bar (504) that penetrates and extends to the inside of the housing (3). The two slide bars ( 504) is fixed with a pull bar (505) on the opposite side, the outer surface of the slide bar (504) is sleeved with a first spring (506), and the outer surface of the slide bar (504) is fixed with a baffle ( 507), the installation mechanism (5) also includes two slots (508) opened on the left and right sides of the filter screen (4). 2. A sand screening machine for water conservancy projects according to claim 1, characterized in that: the sliding rod (504) is slidably connected to the inside of the slot (508), and the housing (3) and the box ( 1) All are cuboids with a hollow interior and a missing upper end, and a discharge hole is opened on the lower surface of the casing (3). 3. A water conservancy sand screening machine according to claim 1, characterized in that: the opposite sides of the two first springs (506) are respectively fixed on the opposite sides of the two baffles (507) The opposite sides of the two first springs (506) are respectively fixed to the opposite sides of the two connecting plates (502). 4. A water conservancy sand screening machine according to claim 1, characterized in that: the upper surface of the baffle (507) is slidingly connected to the lower surface of the upper fixed plate (501), and the baffle (507) ) is slidingly connected to the upper surface of the lower fixed plate (501). 5. A sand screening machine for water conservancy projects according to claim 1, characterized in that: the screening mechanism (2) includes a box body (201) fixed on the right side of the box body (1), and the box body (201) The lower surface of the inner cavity is fixed with a motor (202), the output shaft of the motor (202) is fixed with a turntable (203), and the front of the turntable (203) is connected with a rotating rod (204) through a bearing seat for rotation. , the outer surface of the rotating rod (204) is slidably connected with a moving plate (205), and the left side of the moving plate (205) is fixed with a connecting rod (206) that penetrates and extends to the inside of the box body (1), so A vibration box (207) is fixed on the left side of the connecting rod (206), and a collection box (208) is slidably connected to the lower surface of the inner cavity of the vibration box (207). The left and right sides of the vibration box (207) are A plurality of telescopic rods (209) are fixed, and the outer surface of the telescopic rods (209) is sleeved with a second spring (210). 6. A water conservancy sand screening machine according to claim 5, characterized in that: the opposite sides of the two second springs (210) on the left and right are respectively fixed on the left and right sides of the inner cavity of the box body (1). The opposite sides of the two left and right second springs (210) are respectively fixed on the left and right sides of the vibration box (207). 7. A water conservancy sand screening machine according to claim 5, characterized in that: the housing (3) is fixed on the upper surface of the vibration box (207), and the upper surface of the collection box (208) slides Connected to the lower surface of the housing (3).