CN210288346U

CN210288346U - Powder laying device

Info

Publication number: CN210288346U
Application number: CN201920739356.5U
Authority: CN
Inventors: 邓宏; 陈春阳
Original assignee: Wuhan Zhongli Geotechnical Engineering Co ltd
Current assignee: Wuhan Zhongli Geotechnical Engineering Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-04-10
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a powder laying device, in particular to a powder laying device, which comprises a machine body and a laying cover, wherein the laying cover is fixedly connected with an exhaust fan, the inner wall of the laying cover is fixedly connected with a pipeline, the other end of the pipeline is fixedly connected with the exhaust fan, one end of the pipeline close to the laying cover is provided with a filter screen, and a plurality of groups of through holes are arranged on the filter screen; the filter screen is fixedly connected with two groups of sliding blocks, two groups of sliding grooves are formed in the inner wall of the pipeline, the sliding blocks are connected in the sliding grooves in a sliding mode, two ends of each sliding groove are arranged in a closed mode, and the sliding blocks and the pipeline are arranged in an elastic mode; the sliding groove is arranged in a penetrating mode along the length direction of the sliding block, the sliding block penetrates through the sliding groove and then is located on the outer wall of the pipeline, and two groups of cleaning assemblies are arranged on the pipeline. Through above-mentioned technical scheme, be convenient for clear up the powder on the filter screen, ensure the air exhauster and take out the negative pressure operation in to laying the cover, improve the work efficiency that the powder was laid to the mud top layer.

Description

Powder laying device

Technical Field

The utility model belongs to the technical field of the technique of ground engineering and specifically relates to a powder laying device is related to.

Background

With the development of social economy, the construction process of houses, bridges and the like is gradually accelerated, a large amount of sludge is generated in foundation engineering, the sludge or the sludge is modified and solidified to produce building materials or is used as building fillers to become one of important ways for recycling resources, chemical powders such as dehydrating agents, stabilizing agents, curing agents and the like are usually required to be added for modification and solidification of the sludge, bulk powdery materials such as lime, cement, fly ash and the like are paved on the sludge surface layer, the powder is stirred and mixed, and the uniformity of the powder paved on the sludge surface layer influences the sludge solidification effect.

In order to solve the above problems, chinese patent No. CN206580719U proposes a windproof and dustproof powder laying device, which includes: the device comprises a powder conveying device, a powder laying head, a powder laying cover and a dustproof air draft device; the powder conveying equipment is connected with the powder laying head to form a powder laying structure; the powder laying connector is fixed at the top of the powder laying cover, and the laying range is in the powder laying cover; the dustproof air draft equipment is fixed on the powder laying cover, and negative pressure is formed in the powder laying cover.

The above prior art solutions have the following drawbacks: under dustproof air extraction equipment's effect, the cover is laid to the powder forms the negative pressure, and the powder realizes laying and dirt-proof effect under the effect of negative pressure, but the powder moves to near dustproof air extraction equipment position under the effect of negative pressure simultaneously, when the powder adhesion is in dustproof air extraction equipment's entry, influences dustproof air extraction equipment's the negative pressure effect of taking out.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a powder laying device, it has the fan of adhesion on the clearance filter screen, ensures taking out negative pressure effect of air exhauster.

The utility model discloses a can realize through following technical scheme:

the utility model provides a powder laying device, includes the organism and lays the cover, lay cover fixedly connected with air exhauster, its characterized in that: the inner wall of the laying cover is fixedly connected with a pipeline, the other end of the pipeline is fixedly connected with an exhaust fan, one end of the pipeline close to the laying cover is provided with a filter screen for filtering powder, and a plurality of groups of through holes are formed in the filter screen; the filter screen is fixedly connected with two groups of sliding blocks, two groups of sliding grooves are formed in the inner wall of the pipeline, the sliding blocks are connected in the sliding grooves in a sliding mode, two ends of each sliding groove are arranged in a closed mode, and the sliding blocks and the pipeline are arranged in an elastic mode; the spout is for running through the setting along the length direction of slider, the slider passes be located behind the spout the pipeline outer wall, be provided with two sets of drives that are used for on the pipeline the clearance subassembly of filter screen vibration clearance powder.

By adopting the technical scheme, various components are fully and uniformly stirred to form the agent for solidifying sludge, the machine body is equipment for conveying powder in the prior art, when the powder is conveyed to the laying cover, negative pressure is formed in the laying cover under the action of the exhaust fan, the powder moves towards the sludge direction under the action of air circulation, the powder is laid on the surface layer of the sludge, the powder moves to the position of the filter screen along with air flow in the long-term laying process, the filter screen is used for protecting the exhaust fan, but in the long-term process, the powder is adhered to the filter screen to influence the negative pressure pumping operation of the exhaust fan on the laying cover, the slide block is driven to move at the position of the chute under the action of the cleaning component, the reciprocating motion of the slide block is realized under the elastic action of the slide block and the pipeline, the slide block collides with the pipeline in the reciprocating motion process, the filter screen vibrates, and the powder on the filter, ensuring the suction of the laying cover by the suction fan to the negative pressure operation.

Further setting the following steps: the clearance subassembly include the motor and with motor output fixed connection's cam, the motor with pipeline fixed connection, the cam with the pipeline outer wall rotates to be connected, the cam with the tip butt of slider, cam place plane with the tangent plane of pipeline circumference side is parallel arrangement, cam drive the slider is in the spout internal motion.

Through adopting above-mentioned technical scheme, the motor drives the cam and rotates, and the cam is at the protruding position and the slider butt of rotation in-process, and when cam and slider butt, the slider moves along the length direction of spout, and under the elasticity setting effect between slider and pipeline, slider and spout inner wall bump, the filter screen takes place to shake and shakes the powder on the filter screen and falls, realizes the clearance effect to the filter screen.

Further setting the following steps: the pipeline is located fixedly connected with slide bar between the inner wall of spout both ends, the slider cover is located outside the slide bar, the length direction of slide bar with pipeline the central axis is parallel arrangement.

Through adopting above-mentioned technical scheme, the swing route of cam is the arc route, and the slider receives its effort of driving the outer motion of spout, and the slider orientation is kept away from the effort of spout direction motion to the slide bar restriction slider, and the slider moves along the length direction of slide bar in the spout.

Further setting the following steps: the sliding rod is characterized in that an elastic restoring piece is sleeved outside the circumferential side wall of the sliding rod, one end of the elastic restoring piece is fixedly connected with the sliding block, and the other end of the elastic restoring piece is fixedly connected with the inner wall of the end part of the sliding groove along the moving direction of the sliding block.

Through adopting above-mentioned technical scheme, when the motion of cam drive slider, elasticity restores the piece and is compressed, restores under the former shape effect of the recovery of elasticity restoration piece, and the slider is driven towards the other end motion of spout, and the slider collides with spout tip inner wall, realizes the clearance effect to the filter screen.

Further setting the following steps: the original length of the elastic restoring piece is larger than the length of the sliding groove.

Through adopting above-mentioned technical scheme, when the elastic recovery piece drive motion to the spout tip after the slider is compressed, the elastic recovery piece is in compression state, ensures that the slider is driven and the spout tip inner wall collides.

Further setting the following steps: the distance of the sliding block driven by the cam to move is smaller than the length dimension of the sliding chute.

Through adopting above-mentioned technical scheme, the bellying and the slider butt of cam and drive the slider motion, the slider is driven and is moved in the spout, and the cam continues to rotate, has the space that supplies the slider to continue to move in the spout, and the cam motion is to separating with the slider, ensures slider reciprocating motion in the spout.

Further setting the following steps: and one end of the inside of the sliding chute, which is far away from the elastic restoring piece, is fixedly connected with an abutting layer with elastic performance.

Through adopting above-mentioned technical scheme, when slider and butt layer bump, the butt layer takes place to warp, mechanical damage that causes when avoiding the slider bump prolongs the life of slider.

Further setting the following steps: and a bolt is connected between the filter screen and the sliding block in a threaded manner.

Through adopting above-mentioned technical scheme, be convenient for install and the process of dismantling the filter screen, improve the work efficiency that the powder was laid.

To sum up, the utility model discloses a beneficial technological effect does:

the motor drive cam rotates, and the bellying drives the slider along the slide bar motion at the rotation in-process, and the cam continues to rotate, and bellying and slider separation are kept away from the one end inner wall motion in elasticity recovery piece towards the spout under elasticity recovery piece's effect, and the slider collides with the butt layer, and the filter screen vibrates, and the powder on the filter screen is shaken and is fallen to laying in the cover, ensures the normal operating condition of air exhauster.

Drawings

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

FIG. 2 is a block diagram of the pipe, screen and cleaning assembly of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

fig. 4 is an enlarged view at B in fig. 3.

Reference numerals: 1. a body; 2. laying a cover; 3. a pipeline; 4. filtering with a screen; 5. a through hole; 6. a slider; 7. a chute; 8. cleaning the assembly; 9. a motor; 10. a cam; 11. a slide bar; 12. an elastic restoring member; 13. an abutment layer; 14. and (4) bolts.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 3, for the utility model discloses a powder laying device, including a machine body 1 and a laying cover 2, the machine body 1 is the equipment used for powder conveying in the prior art, one end of the laying cover 2 near the position producing sludge with the ground is fixedly connected with canvas, the canvas is used for covering the sludge to be treated, the powder is conveyed into the laying cover 2, the laying cover 2 is in a hopper shape, the powder slides down along the inner wall of the laying cover 2 towards the sludge surface layer, in order to realize that the powder uniformly scatters on the sludge surface layer, two groups of pipelines 3 are fixedly connected with the inner wall of the laying cover 2, the pipelines 3 are arranged perpendicular to the tangent plane of the circumferential side surface of the laying cover 2, one end of the pipeline 3 is positioned in the laying cover 2, the other end of the pipeline 3 is positioned outside the laying cover 2 and is fixedly connected with an exhaust fan, the exhaust fan is the equipment used for controlling air flow to realize negative, the powder is scattered downward under negative pressure and scattered on the surface of the sludge, and the specific conveying principle refers to patent No. CN 206580719U.

Referring to fig. 2 and 3, in a long-term powder laying process, powder can move towards the position of a pipeline 3 along with the airflow direction of an exhaust fan, in order to prevent the influence of the powder on the work of the exhaust fan, a filter screen 4 is arranged at one end, close to the inner wall of a laying cover 2, of the pipeline 3, the filter screen 4 is connected to the inner wall of the pipeline 3 in a sliding mode, a plurality of groups of through holes 5 are formed in the filter screen 4, and the filter screen 4 is used for filtering the powder outside the pipeline 3; in long-term powder laying process, the powder adhesion is on the filter screen 4 surface, influence the negative pressure operation of taking out of air exhauster to the powder, in order to prevent that the powder from blockking up filter screen 4, two sets of slider 6 of 4 fixedly connected with of filter screen, two sets of spout 7 have been seted up to 3 inner walls of pipeline, the length direction of spout 7 is the horizontal central axis of filter screen 4 parallel, 6 sliding connection of slider in spout 7, the both ends of spout 7 are for sealing the setting, spout 7 is along 3 length direction along slider 6 of pipeline for running through the setting, spout 7 is worn out along 3 radial directions of pipeline cross-section circle to slider 6, the one end of slider 6 is located 3 outer.

Referring to fig. 2 and 4, in order to clean the powder from the filter screen 4 by the collision effect between the sliding block 6 and the inner wall of the chute 7, two groups of cleaning assemblies 8 are arranged on the pipeline 3, the cleaning assemblies 8 are used for driving the sliding block 6 to reciprocate in the chute 7, each cleaning assembly 8 comprises a motor 9 and a cam 10 fixedly connected with the output end of the motor 9, the motor 9 is fixedly connected with the outer wall of the pipeline 3, the cam 10 is rotatably connected with the outer wall of the pipeline 3, the motor 9 is used for driving the cam 10 to rotate, the cam 10 comprises a protruding part abutted against one end of the sliding block 6, which is positioned at the outer side of the pipeline 3, the plane of the cam 10 of the motor 9 is parallel to the tangential plane of the circumferential side surface of the pipeline 3, and the cam 10; a sliding rod 11 is fixedly connected between the inner walls of the two ends of the sliding groove 7 of the pipeline 3, the length direction of the sliding rod 11 is parallel to the central axis of the pipeline 3, a sliding block 6 is sleeved on the circumferential outer wall of the sliding rod 11, and the sliding block 6 is connected with the sliding rod 11 in a sliding manner; the motor 9 drives the cam 10 to rotate, the lug boss drives the sliding block 6 to move in the rotating process, the swinging path of the lug boss is an arc line, the sliding block 6 is subjected to acting force for driving the sliding block to move along the horizontal direction, the movement of the sliding block 6 towards the direction far away from the sliding chute 7 is limited, and the sliding block 6 moves along the length direction of the sliding rod 11.

Referring to fig. 2 and 4, in order to realize the vibration effect of the filter screen 4, the sliding block 6 needs to reciprocate on the sliding rod 11, the sliding block 6 collides with the end part of the inner wall of the sliding chute 7, the sliding block 6 and the pipeline 3 are arranged elastically, the circumferential outer wall of the sliding rod 11 is sleeved with the elastic restoring piece 12, one end of the elastic restoring piece 12 is fixedly connected with the sliding block 6, the other end of the elastic restoring piece is fixedly connected with the inner wall of the end part of the sliding chute 7 along the moving direction of the sliding block 6, when the protruding part drives the sliding block 6 to move, the elastic restoring piece 12 is compressed, the distance that the cam 10 drives the sliding block 6 to move is less than the length dimension of the sliding chute 7, the protruding part is ensured to be separated from the sliding block 6 when continuing to rotate, the original length dimension of the elastic restoring piece 12 is greater than the length dimension of the sliding chute 7, under the action, filter screen 4 takes place the vibration, and the powder on the filter screen 4 is shaken and is fallen to laying in the cover 2, realizes the clearance effect to filter screen 4, and at this moment, elasticity resumes piece 12 still to be in the compression state, ensures the collision effect between slider 6 and the spout 7, and the normal operating condition of guarantee air exhauster lays and is in the negative pressure state in the cover 2 always, and under the effect of laying the cover 2 internal air flow, the powder is laid on the mud top layer.

Referring to fig. 2 and 4, in the process of the reciprocating collision between the slider 6 and the inside of the chute 7, in order to prevent the slider 6 from being damaged between the pipelines 3, an abutting layer 13 with elastic performance is fixedly connected to one end of the inner wall of the chute 7, which is far away from the elastic restoring piece 12, and when the slider 6 collides with the abutting layer 13, the abutting layer 13 deforms, so that the protection effect on the slider 6 and the pipelines 3 is realized, and the service life of the slider 6 is prolonged; mechanical wear takes place for filter screen 4 in long-term collision process, and for the sake of convenience the realization is to filter screen 4's installation and dismantlement effect, threaded connection has bolt 14 between filter screen 4 and the slider 6, and drive bolt 14 rotates, takes place the separation between filter screen 4 and the slider 6, realizes being convenient for to the effect that filter screen 4 was changed, ensures filter screen 4 to the filter effect of powder.

The implementation principle and the beneficial effects of the embodiment are as follows: the bolt 14 is driven to rotate, and the bolt 14 penetrates through the sliding block 6 and then is in threaded connection with the filter screen 4, so that the fixing effect between the sliding block 6 and the filter screen 4 is realized; under powder conveying equipment's effect, the air exhauster will be laid cover 2 and take out to negative pressure state, the powder is taken out to laying in the cover 2, the powder is laid on the mud top layer along with the air current effect down, part powder adhesion is on filter screen 4, motor 9 drive cam 10 rotates, the bellying drives slider 6 along the motion of slide bar 11 in rotating the process, elasticity restores 12 by the compression, cam 10 continues to rotate, the bellying separates with slider 6, under elasticity restores 12's effect, slider 6 keeps away from the one end inner wall motion of elasticity restores 12 towards spout 7, slider 6 bumps in butt layer 13, filter screen 4 vibrates, powder on the filter screen 4 is shaken and is fallen to laying in the cover 2, ensure the normal operating condition of air exhauster.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a powder laying device, includes organism (1) and lays cover (2), lay cover (2) fixedly connected with air exhauster, its characterized in that: a pipeline (3) is fixedly connected to the inner wall of the laying cover (2), an exhaust fan is fixedly connected to the other end of the pipeline (3), a filter screen (4) used for filtering powder is arranged at one end, close to the laying cover (2), of the pipeline (3), and a plurality of groups of through holes (5) are formed in the filter screen (4);

the filter screen (4) is fixedly connected with two groups of sliding blocks (6), the inner wall of the pipeline (3) is provided with two groups of sliding chutes (7), the sliding blocks (6) are connected in the sliding chutes (7) in a sliding manner, two ends of each sliding chute (7) are arranged in a closed manner, and the sliding blocks (6) and the pipeline (3) are arranged in an elastic manner;

spout (7) are for running through the setting along the length direction of slider (6), slider (6) pass lie in behind spout (7) pipeline (3) outer wall, be provided with two sets of drives on pipeline (3) filter screen (4) vibration clearance powder's clearance subassembly (8).

2. The dust laying device of claim 1, wherein: clearance subassembly (8) include motor (9) and with motor (9) output fixed connection's cam (10), motor (9) with pipeline (3) fixed connection, cam (10) with pipeline (3) outer wall rotates and is connected, cam (10) with the tip butt of slider (6), cam (10) place plane with the tangent plane of pipeline (3) circumference side is parallel arrangement, cam (10) drive slider (6) are in spout (7) internal motion.

3. The dust laying device of claim 2, wherein: pipeline (3) are located fixedly connected with slide bar (11) between spout (7) both ends inner wall, slider (6) cover is located outside slide bar (11), the length direction of slide bar (11) with pipeline (3) the central axis is parallel arrangement.

4. A dust laying apparatus as claimed in claim 3, wherein: an elastic restoring piece (12) is sleeved outside the circumferential side wall of the sliding rod (11), one end of the elastic restoring piece (12) is fixedly connected with the sliding block (6), and the other end of the elastic restoring piece is fixedly connected with the inner wall of the end part of the sliding groove (7) along the moving direction of the sliding block (6).

5. A dust laying apparatus as claimed in claim 4, wherein: the original length of the elastic restoring piece (12) is larger than the length of the sliding chute (7).

6. A dust laying apparatus as claimed in claim 5, wherein: the distance for driving the sliding block (6) to move by the cam (10) is less than the length dimension of the sliding chute (7).

7. A dust laying apparatus as claimed in claim 4, wherein: an abutting layer (13) with elastic performance is fixedly connected to one end, far away from the elastic restoring piece (12), of the interior of the sliding groove (7).

8. The dust laying device of claim 1, wherein: and a bolt (14) is connected between the filter screen (4) and the sliding block (6) in a threaded manner.