CN111375233A - Back-washing grid net - Google Patents

Abstract

The invention belongs to the technical field of grid nets, and discloses a backwashing grid net, which comprises a cover plate and a pipe placing wheel slide; the middle part of the cover plate is provided with a grid net; the pipe placing wheel slide is connected with the grid net; the grid net is provided with a pipe discharge opening for placing a water spray pipe into the pipe well; the tube placing wheel is positioned on one side of the tube placing opening. The invention can reduce the friction between the high-pressure water spray pipe and the grid net under the condition of ensuring the operation safety of workers, so that the underground pipeline is quickly and efficiently dredged.

Description

Back-washing grid net

Technical Field

The invention belongs to the technical field of grid nets, and particularly relates to a backwashing grid net.

Background

The initial design purpose of the back-washing grid net is to ensure that workers can prevent the high-pressure water spray head from back-washing to impact/impact the workers when the high-pressure washing vehicle is used for dredging pipelines, so that the safety of the workers is protected. But a plurality of problems are found to exist in the using process.

In the process of cleaning and dredging the pipeline by the conventional high-pressure cleaning vehicle or pipeline dredging vehicle, the rubber high-pressure spray pipe is easy to seriously abrade due to the constant friction between the right-angle surface of the metal and the rubber high-pressure spray pipe and the large frictional resistance between the rubber high-pressure spray pipe and the grid mesh; in addition, the friction between the two causes the driving force of the high-pressure spray pipe after entering the sewage spray pipe to be weakened.

Disclosure of Invention

In order to solve the problems, the invention discloses a reverse cleaning grid net which can reduce the friction between a high-pressure water spray pipe and the grid net under the condition of ensuring the operation safety of workers, so that underground pipelines can be quickly and efficiently cleaned. The specific technical scheme of the invention is as follows:

a back-washing grid net comprises a cover plate and a pipe placing wheel slide; the middle part of the cover plate is provided with a grid net; the pipe placing wheel slide is connected with the grid net; the grid net is provided with a pipe discharge opening for placing a water spray pipe into the pipe well; the tube placing wheel is positioned on one side of the tube placing opening.

Preferably, two ends of the pipe placing roller skate are respectively connected with the grid mesh.

Preferably, the pipe placing device further comprises a first seat body for mounting the pipe placing roller skate; the bottom of the first seat body is fixedly connected with the grid mesh, and one side of the first seat body, which is opposite to the two ends of the first seat body, is respectively connected with the two ends of the pipe placing roller.

Preferably, the device also comprises a movable door plate for closing the discharge opening; one end of the movable door plate is hinged with the grid mesh.

Preferably, one end of the movable door plate, which faces the pipe placing roller, is provided with an auxiliary roller.

Preferably, the movable door panel is provided with a locking device for opening or closing.

Preferably, the locking device comprises a second seat body, a third seat body and a latch rod; the second seat body is connected with the movable door plate; the third seat body is connected with the grid mesh; and the second seat body and the third seat body are both provided with lock holes for the latch rod to pass through.

Preferably, one end of the latch rod, which is located at the inner side of the third seat body, is provided with a stop member for limiting the sliding distance of the latch rod.

Preferably, a blocking piece is arranged at one end, far away from the hinged end of the grid net and the movable door plate, of the grid net; the separation blade sets up in the downside of grid net.

Preferably, the device further comprises a tube head limiting part; the tube head limiting part comprises a body, a limiting ring and a limiting pulley; the limiting ring is connected with the body; the limiting pulley is positioned on the inner side of the body and is rotationally connected with the side wall of the body; the water outlet end of the external pipeline passes through the limiting ring to be contacted with the limiting pulley.

Compared with the prior art, the cover plate can be reformed according to the actual street situation so as to meet the requirement of well mouths which can be placed at different positions, so that the cover plate is more attached to the ground and has larger contact area with the ground; the grid net is arranged on the inner side of the cover plate, so that personal injury caused by falling of workers into a pipe well can be reduced; through the pipe placing skidding, the high-pressure water spray pipe can enter the pipe well more smoothly to reduce the contact with the grid mesh, so that the service life of the high-pressure water spray pipe is prolonged; the arrangement of the transparent pad can also prevent sewage from splashing on the basis of ensuring the sight of workers; through the setting of tube head locating part, the fixed water outlet position that can be fine makes the staff realize directional washing or soil pick-up.

Drawings

FIG. 1 is a schematic view of a movable door panel closing in an embodiment of the present invention;

FIG. 2 is a schematic view of an embodiment of the present invention illustrating the opening of a moveable door panel;

FIG. 3 is a schematic view of another opening direction of the moveable door panel in accordance with the present invention;

FIG. 4 is a schematic view of a cover plate according to another embodiment of the present invention;

fig. 5 is a schematic view of a tube head limiting member according to an embodiment of the invention.

In the figure: 1-cover plate; 2-a grid net; 3, placing the pipe and skidding; 4-placing the pipe orifice; 5-a first seat body; 6-movable door plate; 7-auxiliary skidding; 8-a second seat body; 9-a third seat body; 10-a latch bar; 11-a stop member; 12-a baffle plate; 13-a handle; 14-a body; 15-a limit ring; 16-limiting pulley.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that the indication of the orientation or the positional relationship is based on the orientation or the positional relationship shown in the drawings, or the orientation or the positional relationship which is usually placed when the product of the present invention is used, or the orientation or the positional relationship which is usually understood by those skilled in the art, or the orientation or the positional relationship which is usually placed when the product of the present invention is used, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, cannot be understood as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be further noted that the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; may be directly connected or indirectly connected through an intermediate. For those skilled in the art, the drawings of the embodiments with specific meanings of the terms in the present invention can be understood in specific situations, and the technical solutions in the embodiments of the present invention are clearly and completely described. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

The invention is further illustrated with reference to the accompanying drawings and specific examples.

As shown in fig. 1 to 3, a backwash grid net comprises a cover plate 1 and a pipe placing wheel slide 3; the middle part of the cover plate 1 is provided with a grid net 2; the pipe placing wheel slide 3 is connected with the grid net 2; the grid net 2 is provided with a pipe placing port 4 for placing a water spraying pipe into a pipe well; the tube placing roller 3 is positioned on one side of the tube placing opening 4.

According to the invention, the cover plate 1 and the grid net 2 are matched, so that the condition that a worker falls into a pipe well by mistake can be avoided, and the personal safety of the worker is well ensured; through the pipe placing opening 4, a worker can conveniently place the water spraying pipe into the pipe well, but in the placing process, a certain friction exists between the water spraying pipe and the grid net 2, and the friction between the water spraying pipe and the grid net 2 easily causes the abrasion of the water spraying pipe, so that the pipe placing roller slide 3 is arranged, the friction between the water spraying pipe and the grid net 2 can be effectively avoided, and the abrasion of the water spraying pipe can be effectively avoided through the relative sliding between the pipe placing roller slide 3 and the grid net 2.

Generally, the shape of the cover plate 1 is matched with the shape of the wellhead of the tube well, and the cover plate is basically of a circular structure; however, in some streets, the tube well is located at the roadside, and the arrangement of the curb steps can affect the contact between the cover plate 1 and the outer edge of the wellhead, so that, as shown in fig. 4, in some embodiments, the cover plate 1 is not a complete circle, but a corresponding gap is reserved to avoid the curb steps, so as to ensure that the cover plate 1 is completely contacted with the outer edge of the wellhead. It should be noted that, in this embodiment, the rotation direction of the pipe placing wheel 3 should be a direction toward the pipe placing opening 4 or a direction away from the pipe placing opening 4. Of course, in other embodiments, this should be done.

In order to better use the invention, two ends of the pipe placing wheel slide 3 are respectively connected with the grid net 2. In this embodiment, a gap of the grid net 2 is formed at any end of the pipe placing port 4, two grid bars are extended from the gap in the opposite direction, and two ends of the pipe placing roller skate 3 can be respectively connected to the two grid bars, so that the anti-skid roller skate can generate an effect of rotating relative to the grid net 2.

In order to better use the invention, in other embodiments, a mode different from the above-mentioned pipe placing roller 3 is provided, that is, a first seat 5 for installing the pipe placing roller 3 is further included; the bottom of the first seat body 5 is fixedly connected with the grid mesh 2, and one side of the first seat body 5, which is opposite to the two ends, is respectively connected with the two ends of the pipe placing roller skate 3. In fact, the first seat 5 is substantially in a Y shape, the bottom of the first seat can be kept stable, and the pipe placing roller 3 is arranged inside the first seat 5, so as to be capable of rotating relative to the first seat 5; the arrangement mode is more convenient for the installation of the pipe placing roller skate 3, and the installation can be realized by utilizing the rotating shaft to penetrate through the first seat body 5 and the pipe placing roller skate 3 and using the fixing piece to limit the position of the rotating shaft.

For better use of the invention, the invention also comprises a movable door plate 6 for closing the discharge opening 4; one end of the movable door plate 6 is hinged with the grid mesh 2. When the movable door panel 6 is closed, the invention can be used as a common grid net 2; after the movable door plate 6 is opened, a water spraying pipe can be put in for normal cleaning work.

For better use of the invention, an auxiliary roller skate 7 is arranged at one end of the movable door plate 6 facing the pipe placing roller skate 3. When the spray pipe is fed into the pipe well, the pipe-releasing roller 3 only slides with one side of the spray pipe, and the other side of the spray pipe still can rub with the movable door plate 6 or the grid net 2, so that the auxiliary roller 7 is arranged at the position to effectively reduce the abrasion of the other side of the spray pipe; therefore, in particular use, the spray pipe slides between the pipe placing pulley 3 and the auxiliary pulley 7.

For a better use of the invention, the movable door panel 6 is provided with a locking device for opening or closing. In order to facilitate the use of the invention and simultaneously have the effect of convenient transportation, the movable door plate 6 is provided with a locking device; when the device is used, the locking device is closed, so that the phenomenon that sewage splashes out when the movable door plate 6 is bounced open by the sewage can be avoided; when transporting, can avoid movable door panel 6 to strike the outside along with the vibrations or the shake of vehicle to the unexpected damage of movable door panel 6 has been avoided.

For better use of the invention, the locking device comprises a second seat 8, a third seat 9 and a latch 10; the second seat body 8 is connected with the movable door plate 6; the third seat body 9 is connected with the grid mesh 2; the second seat body 8 and the third seat body 9 are both provided with lock holes for the bolt rod 10 to pass through. When the latch rod 10 passes through the lock holes of the second seat body 8 and the third seat body 9 at the same time, the movable door panel 6 can be well locked; when only the latch rod 10 does not pass through the lock hole of the third seat 9, the movable door panel 6 is in an open state, and the movable door panel 6 can be conveniently opened.

For better use of the present invention, the end of the latch 10 inside the third seat 9 is provided with a stopper 11 for limiting the sliding distance of the latch 10. The stop member 11 can prevent the latch pipe from passing through the third seat 9 and the second seat 8, and the movable door panel 6 is also in an open state, so that the movable door panel 6 cannot be effectively closed; in addition, in the present embodiment, the stopping member 11 has a stopping hole, through which a worker can insert an auxiliary device such as a wire to connect with the second seat 8 or the grille net 2, so as to fix the position of the latch rod 10, so as to ensure that the latch rod 10 does not slide relatively in the locking hole of the second seat 8 and/or the locking hole of the third seat 9 in a certain state. In some embodiments, the end of the latch rod 10 away from the second seat 8 is provided with an elastic member, and the other end of the elastic member is connected to the third seat 9, so that the latch rod 10 automatically passes through the lock hole when in use, and the locking is completed.

In order to better use the invention, a baffle plate 12 is arranged at one end of the grid net 2 away from the hinged end of the grid net and the movable door plate 6; the baffle plate 12 is arranged at the lower side of the grating net 2. The baffle plate 12 can limit the movable door plate 6 from excessively overturning, so that the movable door plate 6 is prevented from being driven into the inner side of the pipe well from the outer side of the pipe well, the movable door plate 6 is prevented from being limited through friction of the side wall of the pipe placing opening 4, and the service life of the pipe placing device is well guaranteed.

For better use of the invention, the grid net 2 is also provided with a transparent pad for preventing sewage from splashing out. Since the grid net 2 is composed of a plurality of grid bars with a plurality of meshes in between, sewage can be splashed out in normal operation; in order to ensure that the staff can visually observe the sight of the pipe well, the pipe well is also provided with a transparent pad; the transparent pad covers in grille net 2, can be fine prevent sewage spill, also fine assurance staff's sight. The transparent pad does not need to be fixedly connected with the grid mesh 2 and can be laid at any time.

In this embodiment and most other embodiments, handles 13 are further disposed at two ends of the cover plate 1, so that a worker can conveniently move or install the cover plate 1 through the handles 13. The handle 13 has obvious effect and can well meet the requirements of installation and carrying of workers.

It should be noted that the invention can be used for pipe wells with different pipe diameters, and the premise is to ensure that the pipe discharge opening 4 can be aligned with the pipe well, so that the water spraying pipe can normally slide between the pipe discharge pulley and the auxiliary pulley; the invention can be applied to pipe wells of most different depths, in particular to pipe wells above 700 mm. Of course, the present invention can be applied to a sewage suction pipe in addition to the water spray pipe according to the present invention.

In order to better use the invention, the device also comprises a tube head limiting part; the tube head limiting part comprises a body 14, a limiting ring 15 and a limiting pulley 16; the limiting ring 15 is connected with the body 14; the limiting pulley 16 is positioned on the inner side of the body 14 and is rotationally connected with the side wall of the body 14; the water outlet end of the external pipeline passes through the limiting ring 15 to be contacted with the limiting pulley 16. The pipe head limiting part can well limit the pipe head of the external pipeline, and the arrangement of the limiting ring 15 can enable workers to directionally clean or absorb dirt; in addition, the limiting idler wheel is arranged, so that friction between the external pipeline and the limiting idler wheel is reduced, and the service life of the external pipeline is prolonged. In this embodiment, the spacing collar 15 is an unsealed collar body, and two sides of the unsealed end of the spacing collar body are connected with two outer side walls opposite to the body 14, so as to fix the spacing collar 15; the positions of the limiting pulley 16 and the limiting ring 15 are corresponding, so in the embodiment, the number of the limiting pulley 16 and the limiting ring 15 is the same, thereby enabling the tube head limiting part to better limit the external pipeline.

The invention is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.

Claims (10)

1. A backwash grid net, comprising:

the middle part of the cover plate (1) is provided with a grid net (2); and

the pipe placing wheel slide (3) is connected with the grid net (2);

wherein, the grid net (2) is provided with a pipe discharge opening (4) for placing a water spray pipe into the pipe well; the tube placing roller (3) is positioned on one side of the tube placing opening (4).

2. The backwash grid net according to claim 1, wherein both ends of the pipe-placing wheel slide (3) are respectively connected with the grid net (2).

3. A backwash grid net according to claim 1, further comprising a first seat (5) for mounting the pipe-placing roller (3); the bottom of the first seat body (5) is fixedly connected with the grid mesh (2), and one side, opposite to the two ends of the first seat body (5), is respectively connected with the two ends of the pipe placing roller skate (3).

4. A backwash grid net according to claim 2 or 3, further comprising a movable door panel (6) for closing the discharge opening (4); one end of the movable door plate (6) is hinged with the grid mesh (2).

5. A backwash grid net according to claim 4, characterized in that the end of the movable door panel (6) facing the pipe placing roller (3) is provided with an auxiliary roller (7).

6. A backwash grid net according to claim 5, characterized in that said movable door panel (6) is provided with locking means for opening or closing.

7. A backwash grid net according to claim 6, wherein said locking means comprises:

the second seat body (8), the said second seat body (8) is connected with movable door plant (6);

the third seat body (9), the said third seat body (9) is connected with grid net (2); and

a latch lever (10);

the second seat body (8) and the third seat body (9) are provided with lock holes for the bolt rod (10) to pass through.

8. A backwash grid net according to claim 7, characterized in that the end of the latch (10) inside the third seat (9) is provided with a stop (11) for limiting the sliding distance of the latch (10).

9. A backwash grid net according to claim 4, characterized in that the grid net (2) is provided with a baffle plate (12) at the end away from the end hinged with the movable door plate (6); the baffle plate (12) is arranged on the lower side of the grating net (2).

10. The backwash grid net according to claim 1, further comprising a pipe head stopper; the tube head locating part includes:

a body (14);

the limiting ring (15), the limiting ring (15) is connected with the body (14); and

the limiting pulley (16) is positioned on the inner side of the body (14) and is rotationally connected with the side wall of the body (14);

wherein, one end of the external pipeline passes through the limiting ring (15) to be contacted with the limiting pulley (16).

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