CN212103550U

CN212103550U - Conveniently change screening sand device for town road construction of screen cloth

Info

Publication number: CN212103550U
Application number: CN202020148398.4U
Authority: CN
Inventors: 韦延东
Original assignee: Shenzhen Jinrun Construction Engineering Co ltd
Current assignee: Shenzhen Jinrun Construction Engineering Co ltd
Priority date: 2020-01-31
Filing date: 2020-01-31
Publication date: 2020-12-08
Anticipated expiration: 2030-01-31

Abstract

The utility model provides a conveniently change husky device of sieve for town road construction of screen cloth, locates the first expansion bracket and the second expansion bracket of its both sides including a sieve section of thick bamboo and symmetry, the pan feeding mouth has been seted up in sieve section of thick bamboo left side, sieve section of thick bamboo circumference outer wall is the equidistant a plurality of discharge gates of having seted up of annular, the discharge gate outside is fixed with the screen cloth through the fastener, the inside pivot that runs through of sieve section of thick bamboo, the pivot outside is equipped with helical blade, second expansion bracket upper portion is fixed with motor support, motor support upper end is fixed with the motor, the motor output shaft passes second expansion bracket upper portion and the coaxial fixed connection of pivot. The utility model discloses the discharge gate both sides are fixed with the clip, when needing to change new screen cloth mechanism or changing the screen cloth mechanism of different mesh diameters, only need with discharge gate both sides clip open change new can, convenient and fast.

Description

Conveniently change screening sand device for town road construction of screen cloth

Technical Field

The invention relates to the technical field of municipal administration, in particular to a sand screening device for municipal road construction, which is convenient for replacing a screen.

Background

The sand is used as an essential material in road construction, has a great significance in multiple aspects, but the sand grain diameter of the sand generally transported to a construction site is small and extremely uneven, and cannot meet construction requirements, so that the sand is required to be screened on the construction site to screen out the sand meeting the construction requirements. The sand screening machine adopts a horizontally arranged roller screen cylinder according to the working principle of manually screening sand by using an inclined screen, and ensures that material flows can continuously roller screen for more than five circles among a plurality of circles of internal spiral blades in the screen cylinder, so that sand materials are repeatedly rolled and slid and fully dispersed and separated. Through retrieval, the patent of application publication No. CN108906573A discloses a screening device for municipal road construction, which is convenient for replacing a screen, and comprises a screen drum, a screen mechanism, a blanking hopper and a frame, wherein the frame is provided with the screen drum, the screen drum is a cylindrical structure with one end open and the other end closed, the open end of the screen drum forms a feeding port, the bottom of the blanking hopper extends into the feeding port, the outer circumference of the screen drum is provided with the screen mechanism, the screen mechanism comprises a frame, a plurality of screens are arranged in the frame, the outer part of the screen drum is provided with a plurality of openings corresponding to the screens, the surfaces of the frame and the screen drum are provided with a plurality of screw holes, the screen mechanism is fixed on the screen drum through screws, the frame is provided with a pair of gear seat I and a pair of gear seat II, the gear is arranged on the gear seat I and the gear seat II, the outer part of the screen drum is fixed with a gear ring I and a gear ring II, the gear ring I, one of the gears is driven to rotate by external rotational power.

The sand screening device in the prior art has the following defects:

1. the mode of replacing the screen of the equipment is not convenient and rapid enough, the replacement can be realized only after the screw is dismounted, the consumed time is long, and the improvement of the sand screening work efficiency is not facilitated;

2. the height of the bracket can not be freely adjusted by the device, so that the device can not adapt to the limiting conditions of different construction environments and is inconvenient to use;

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a conveniently change screening sand device for town road construction of screen cloth to solve the problem that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: first expansion bracket and second expansion bracket of its both sides are located including a sieve section of thick bamboo and symmetry, the pan feeding mouth has been seted up in sieve section of thick bamboo left side, sieve section of thick bamboo circumference outer wall is annular equidistant a plurality of discharge gates of having seted up, the discharge gate outside is fixed with the screen cloth through the clip, sieve section of thick bamboo inside runs through and is equipped with the pivot, the pivot outside is equipped with helical blade, second expansion bracket upper portion is fixed with motor support, motor support upper end is fixed with the motor, the motor output shaft passes second expansion bracket upper portion and the coaxial fixed connection of pivot.

Preferably, the first expansion bracket and the second expansion bracket are respectively composed of an extension rod, a hand screw, a base rod and a base, the base rod is welded on the top surface of the base, the extension rod is sleeved inside the upper end of the base rod, and the end part of the hand screw penetrates through the outer wall of the base rod to extend into the base rod and is in friction contact with the outer wall of the extension rod.

Preferably, the motor bracket is fixed to an extension rod of the second telescopic bracket.

Preferably, bearing holes are formed in the extension rods of the first telescopic frame and the second telescopic frame, bearing seats are arranged in the bearing holes, and the end portions of the rotating shafts are rotatably connected with the inner walls of the bearing seats respectively.

Preferably, one side of the clip is hinged with the outer wall of the screen drum through a hinged shaft, and a torsion spring is sleeved on the outer side of the hinged shaft.

Preferably, a first caulking groove is formed in the other side of the clamp, a first magnet is arranged at the end of the first caulking groove, a second caulking groove is formed in the outer wall of the screen drum, a second magnet is arranged at the end of the second caulking groove, the first caulking groove corresponds to the second caulking groove, and the first magnet is magnetically connected with the second magnet.

Preferably, the end part of the screen is in a wave shape and is provided with a cog, and the cog is matched with the first caulking groove and the second caulking groove.

Preferably, a partition plate is arranged on the inner side of the feeding port and is rotatably connected with the inner wall of the feeding port, and a handle is welded on the outer wall of the partition plate.

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

1. in the construction process, when a new screen mechanism or screen mechanisms with different mesh diameters need to be replaced, constructors do not need to perform complicated operation, only need to open the clamps at two sides of the discharge port and replace the new screen mechanism, and therefore the method is convenient and rapid and is beneficial to improving the working efficiency;

2. the first expansion bracket and the second expansion bracket arranged on the two sides of the screen cylinder can enable the extension rod to freely expand and contract by twisting the hand-screwed screw, so that the utility model can automatically adjust the height of the bracket according to different construction environments, greatly adapt to the work under various limiting conditions, and greatly improve the working efficiency;

drawings

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

FIG. 2 is a schematic view of the structure of the screen cylinder of the present invention;

FIG. 3 is a schematic view of the front structure of the screen cylinder of the present invention;

FIG. 4 is a schematic view of the structure of the discharge hole of the present invention;

fig. 5 is a schematic view of the clip structure of the present invention.

In the figure: 1. an electric motor; 2. a rotating shaft; 3. screening a screen; 4. a motor bracket; 5. a second telescopic frame; 6. a grip; 7. a feeding port; 8. a bearing seat; 9. a helical blade; 10. a screen cylinder; 11. a first telescopic frame; 111. an extension pole; 112. screwing the screw by hand; 113. a base rod; 114. a base; 12. a discharge port; 13. clamping and buckling; 14. a torsion spring; 151. a first caulking groove; 152. a second caulking groove; 161. a first magnet; 162. a second magnet; 17. and (5) embedding teeth.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.

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, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a sand screening device convenient for replacing screen cloth for municipal road construction comprises a screen cylinder 10, and a first expansion bracket 11 and a second expansion bracket 5 which are symmetrically arranged on two sides of the screen cylinder, wherein a feeding port 7 is formed in the left side of the screen cylinder 10, the feeding port 7 is used for adding coarse sand to be screened, a plurality of discharge ports 12 are formed in the circumferential outer wall of the screen cylinder 10 at equal intervals in an annular shape, fine sand after screening falls out of the screen cylinder 10 from the discharge ports 12, the screen cloth 3 is fixed on the outer side of the discharge ports 12 through a clamp 13, when the screen cloth 3 needs to be replaced, the clamp 13 is only required to be opened, the original screen cloth 3 is taken out and a new screen cloth 3 is replaced, a rotating shaft 2 penetrates through the inside of the screen cylinder 10, the screen cylinder 10 rotates along with the rotation of the rotating shaft 2, sand screening work is carried out, a spiral blade 9 is arranged on the outer side of the rotating shaft 2, the coarse sand in the screen cylinder 10 can be synchronously stirred when the sand, the upper portion of the second telescopic frame 5 is fixed with a motor support 4, the upper end of the motor support 4 is fixed with a motor 1, an output shaft of the motor 1 penetrates through the upper portion of the second telescopic frame 5 and is coaxially and fixedly connected with the rotating shaft 2, and the rotating shaft 2 can be driven to rotate by the motor in the working process.

Specifically, first expansion bracket 11 and second expansion bracket 5 constitute by extension rod 111, hand screw 112, basic pole 113 and base 114, basic pole 113 welding is at base 114 top surface, extension rod 111 cover is established inside basic pole 113 upper end, hand screw 112 tip passes the inside and with extension rod 111 outer wall friction contact of base pole 113 outer wall extension to basic pole 113, reduces the frictional force between hand screw 112 tip and extension rod 111 through twisting hand screw 112 for extension rod 111 can freely stretch out and draw back along with the demand, and after adjusting the height according to the operational environment of difference, it makes it fixed to twist hand screw 112 again, can adapt to the screening sand work among the various operational environment.

Further, the motor bracket 4 is fixed to the extension rod 111 of the second telescopic bracket 5.

Still further, the extension rod 111 of the first telescopic frame 11 and the second telescopic frame 5 are both provided with a bearing hole, a bearing seat 8 is arranged in the bearing hole, and the end part of the rotating shaft 2 is respectively connected with the inner wall of the bearing seat 8 in a rotating manner.

Still further, one side of the clip 13 is hinged to the outer wall of the screen cylinder 10 through a hinge shaft, a torsion spring 14 is sleeved on the outer side of the hinge shaft, and the torsion spring 14 provides a closing force between the clip 13 and the outer wall of the screen cylinder 10, so that the clip 13 and the outer wall of the screen cylinder 10 are tightly attached to each other under the condition of no external force.

Further, a first caulking groove 151 has been seted up to the clip 13 opposite side, first caulking groove 151 tip is equipped with first magnetite 161, second caulking groove 152 has been seted up to sieve section of thick bamboo 10 outer wall, second caulking groove 152 tip is equipped with second magnetite 162, first caulking groove 151 is corresponding with second caulking groove 152, first magnetite 161 is connected with second magnetite 162 magnetism, first caulking groove 151, second caulking groove 152, first magnetite 161 and second magnetite 162 are used for increaseing the laminating degree of clip 13 and sieve section of thick bamboo 10 outer wall, make both more can closely the clamp.

It should be noted that the end of the screen 3 is provided with the cog 17 in a wave shape, and the cog 17 is matched with the first caulking groove 151 and the second caulking groove 152, so that the structure is used for increasing the friction force between the clamp 13 and the screen 3, and the screen 3 cannot be thrown off due to centrifugal force in the working process.

It is worth noting that a partition plate is arranged on the inner side of the feeding port 7 and is rotatably connected with the inner wall of the feeding port 7, a handle 6 is welded on the outer wall of the partition plate, coarse sand to be screened needs to be added through the feeding port 7 before sand screening work begins, the handle 6 needs to be pulled to open the partition plate arranged in the feeding port 7, and after sufficient coarse sand is added, the handle 6 is pushed to close the feeding port 7, so that the coarse sand is prevented from being thrown out of the feeding port 7 in the working process of equipment.

The working principle is that firstly, the clamp 13 is opened, the cog 17 arranged on the end part of the screen mesh 3 with the required specification in a wave shape is matched with the first caulking groove 151 arranged on the bottom surface of the clamp 13 and the second caulking groove 152 arranged on the outer wall of the screen cylinder, then the clamp 13 is closed, the torsion spring 14 arranged on one side of the clamp 13 enables the bottom surface of the clamp 13 and the outer wall of the screen cylinder 10 to fully clamp the screen mesh 3, at the moment, the first magnet 161 and the second magnet 162 are magnetically connected, the heights of the first expansion bracket 11 and the second expansion bracket 5 are adjusted after the screen mesh 3 is fixed, the friction between the end part of the hand-screwed screw 112 and the extension rod 111 is reduced by twisting the hand-screwed screw 112, so that the extension rod 111 can freely expand and contract as required, after the heights are adjusted according to different working environments, the hand-screwed screw 112 is tightened to fix the equipment, the equipment is adapted to the working environment, then the handle 6 is pulled to open the partition plate, add a certain amount of coarse sand in going into a sieve section of thick bamboo 10 through pan feeding mouth 7, later utilize motor 1 to drive pivot 2 and rotate, be fixed in a sieve section of thick bamboo 10 on the pivot 2 and begin to rotate along with it, coarse sand rolls in a sieve section of thick bamboo 10, simultaneously by the helical blade 9 stirring of setting in the 2 outsides of pivot, make the abundant and screen cloth 3 contact of coarse sand, qualified fine sand falls through the fixed screen cloth 3 in the discharge gate 12 outsides, unqualified large granule impurity then is held back in a sieve section of thick bamboo 10 by screen cloth 3, with this screening to the coarse sand of realization.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 conveniently change sieve husky device for town road construction of screen cloth, includes that a sieve section of thick bamboo (10) and symmetry locate first expansion bracket (11) and second expansion bracket (5) of its both sides, its characterized in that: pan feeding mouth (7) have been seted up on sieve section of thick bamboo (10) left side, sieve section of thick bamboo (10) circumference outer wall is the equidistant a plurality of discharge gates (12) of having seted up of annular, discharge gate (12) outside is fixed with screen cloth (3) through clip (13), sieve section of thick bamboo (10) inside runs through and is equipped with pivot (2), pivot (2) outside is equipped with helical blade (9), second expansion bracket (5) upper portion is fixed with motor support (4), motor support (4) upper end is fixed with motor (1), motor (1) output shaft passes second expansion bracket (5) upper portion and pivot (2) coaxial fixed connection.

2. The sand screening device convenient for replacing the screen mesh of claim 1 for the municipal road construction is characterized in that: first expansion bracket (11) and second expansion bracket (5) constitute by extension rod (111), hand screw (112), basic pole (113) and base (114), basic pole (113) welding is at base (114) top surface, extension rod (111) cover is established inside basic pole (113) upper end, hand screw (112) tip passes basic pole (113) outer wall and extends to inside and with extension rod (111) outer wall friction contact of basic pole (113).

3. The sand screening device convenient for replacing the screen mesh of claim 2 for the municipal road construction is characterized in that: the motor support (4) is fixed on an extension rod (111) of the second telescopic frame (5).

4. The sand screening device convenient for replacing the screen mesh of claim 2 for the municipal road construction is characterized in that: the bearing holes are formed in the extension rods (111) of the first telescopic frame (11) and the second telescopic frame (5), bearing seats (8) are arranged in the bearing holes, and the end portions of the rotating shafts (2) are rotatably connected with the inner walls of the bearing seats (8) respectively.

5. The sand screening device convenient for replacing the screen mesh of claim 1 for the municipal road construction is characterized in that: one side of the clip (13) is hinged with the outer wall of the screen drum (10) through a hinged shaft, and a torsion spring (14) is sleeved on the outer side of the hinged shaft.

6. The sand screening device convenient for replacing the screen mesh of claim 1 for the municipal road construction is characterized in that: first caulking groove (151) have been seted up to clip (13) opposite side, first caulking groove (151) tip is equipped with first magnetite (161), second caulking groove (152) have been seted up to sieve section of thick bamboo (10) outer wall, second caulking groove (152) tip is equipped with second magnetite (162), first caulking groove (151) are corresponding with second caulking groove (152), first magnetite (161) are connected with second magnetite (162) magnetism.

7. The sand screening device convenient for replacing the screen mesh of claim 6, which is used for municipal road construction and is characterized in that: the end of the screen (3) is in a wave shape and is provided with a cog (17), and the cog (17) is matched with a first caulking groove (151) and a second caulking groove (152).

8. The sand screening device convenient for replacing the screen mesh of claim 1 for the municipal road construction is characterized in that: the inner side of the feeding port (7) is provided with a partition plate, the partition plate is rotatably connected with the inner wall of the feeding port (7), and the outer wall of the partition plate is welded with a handle (6).