Drainage hole cleaning device
By using a negative pressure device and a ring pipe structure design, the problems of low cleaning efficiency and environmental pollution of the drain hole are solved, achieving a highly efficient and non-destructive cleaning effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-03-24
AI Technical Summary
Existing technologies for cleaning drain holes are inefficient and ineffective, easily damage pipes, and cause environmental pollution during the cleaning process.
A drain hole cleaning device was designed, which uses a negative pressure generator and a negative pressure amplifier to generate a high-speed airflow. The accumulated material is sucked into the receiving space through the suction pipe. The annular pipe and multiple air outlets are used to improve the airflow speed and negative pressure intensity, so as to prevent the accumulated material from falling back down.
It achieves efficient cleaning of drain holes, avoids damage to pipes, reduces environmental pollution, improves cleaning efficiency, and is adaptable to drain holes of different diameters.
Smart Images

Figure CN224031858U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bridge maintenance equipment technical field, specifically, relate to a water release hole cleaning device. BACKGROUND
[0002] In the process of highway operation, the water release hole cleaning of bridge is one of the main construction contents of bridge routine maintenance.
[0003] The main role of the water release hole is to quickly discharge rainwater and prevent road surface water, so as to avoid the adverse effects on the bridge itself and the running vehicles. In the process of highway operation, the road with poor road flatness and high truck proportion is easy to produce more throwing objects such as silt and gravel. And in the cleaning process of the conventional sweeper, the throwing objects are easy to fall into the water release hole, causing the water release hole to be blocked. Therefore, regular cleaning of the water release hole plays an important role in the safe operation of the highway.
[0004] At present, the cleaning method of the water release hole is mainly manual cleaning, which has the problems of low cleaning efficiency, poor effect, easy to damage the pipeline, etc. In addition, in the cleaning process, the accumulated material is easy to fall into the local road or water source protection area, causing environmental pollution. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a water release hole cleaning device to alleviate the technical problems of low cleaning efficiency, poor effect, easy to damage the pipeline in the manual cleaning of the water release hole in the prior art, and easy to cause environmental pollution in the cleaning process.
[0006] The utility model provides a water release hole cleaning device, which comprises: a suction assembly, a collection assembly and a negative pressure mechanism, the suction assembly comprises a suction pipe for sucking sundries, the collection assembly has a containing space in communication with one end of the suction pipe, the negative pressure mechanism comprises a negative pressure generating part and a negative pressure amplifying part, the negative pressure generating part is used for generating high-speed airflow, the output end of the negative pressure generating part is connected with the suction pipe through the negative pressure amplifying part, and the air outlet end of the negative pressure amplifying part faces the collection assembly so as to form negative pressure at the end of the suction pipe away from the collection assembly.
[0007] Further, the negative pressure amplifying part has: an air inlet and an air outlet; the air inlet is connected with the output end of the negative pressure generating part; the air outlet is located at one end of the negative pressure amplifying part and faces the end in communication with the containing space, and the air outlet is the air outlet end of the negative pressure amplifying part; wherein the diameter of the air outlet is smaller than the diameter of the air inlet.
[0008] Further, the negative pressure amplifying part comprises: an annular pipe with a gas guide groove, the annular pipe is embedded on the suction pipe, the air inlet is arranged on the outer wall of the annular pipe, and the air outlet is arranged at one end of the annular pipe.
[0009] Further, the air outlet has multiple air outlets; the air guide groove is an annular groove; the multiple air outlets are uniformly and spacedly arranged along the circumference of the annular pipe and are in communication with the annular groove; and the sum of the areas of the multiple air outlets is less than the area of the air inlet.
[0010] Further, the suction pipe comprises a suction section and a discharge section; the suction section is used for inserting into the drain hole to perform a suction action, and the suction section is located at one end of the annular pipe away from the air outlet; one end of the discharge section is in communication with the containing space, and the other end is connected to one end of the annular pipe provided with the air outlet, and the end of the discharge section is located outside the air outlet.
[0011] Further, the negative pressure amplifying member further comprises a first connecting pipe and a second connecting pipe; one end of the first connecting pipe is connected to the suction section, and the other end is connected to one end of the annular pipe away from the air outlet; one end of the second connecting pipe is connected to the discharge section, and the other end is connected to one end of the annular pipe provided with the air outlet, and the second connecting pipe is sleeved outside the multiple air outlets, and the inner diameter of the second connecting pipe gradually decreases from the air outlet to the end away from the air outlet.
[0012] Further, the suction assembly further comprises a handle; the handle is arranged on the discharge section.
[0013] Further, the negative pressure mechanism further comprises a control valve arranged between the air outlet end of the negative pressure generating member and the air inlet.
[0014] Further, the collection assembly comprises a storage box and a mounting bracket; the containing space is arranged in the storage box; the mounting bracket is connected to the storage box and is used for mounting the storage box.
[0015] Further, the drain hole cleaning device further comprises a vehicle body comprising a vehicle head and a vehicle body; the collection assembly is arranged on the vehicle head, and the negative pressure generating member is arranged on the vehicle body.
[0016] Beneficial effects:
[0017] The drainage hole cleaning device provided by the utility model generates high-speed airflow by the negative pressure generating part, and is connected to the suction pipe through the negative pressure amplifier, so that high-speed airflow is generated in the suction pipe towards the containing space, the end of the suction pipe far from the collection assembly forms negative pressure, the suction pipe is inserted into the drainage hole, the suction pipe can suck the silt in the drainage hole into the suction pipe and into the containing space along the suction pipe, the negative pressure amplifier can improve the flow rate of the airflow to further improve the strength of the generated negative pressure, ensure that the suction pipe can smoothly suck the silt into the containing space, so that the drainage hole is cleaned, the cleaning efficiency is high, the effect is good, the pipeline is not easy to be damaged, and the silt can be collected, so that the silt is not easy to fall into the local road or the water source protection area again, and environmental pollution is caused. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.
[0019] Figure 1 The structure schematic view of the drainage hole cleaning device provided by the utility model embodiment is shown in the figure.
[0020] Figure 2 The structure schematic view of the negative pressure amplifier in the drainage hole cleaning device provided by the utility model embodiment is shown in the figure. Figure 1 The enlarged view of A in the figure.
[0021] Figure 3 The structure schematic view of the negative pressure amplifier in the drainage hole cleaning device provided by the utility model embodiment is shown in the figure.
[0022] Figure 4 The cross-sectional structure schematic view of the negative pressure amplifier in the drainage hole cleaning device provided by the utility model embodiment is shown in the figure.
[0023] Figure:
[0024] 1 - vehicle body;2 - negative pressure mechanism;3 - air pipe;4 - suction assembly;41 - negative pressure amplifier;411 - air inlet;412 - air guide groove;413 - air outlet;42 - suction section;43 - discharge section;44 - control valve;45 - handle;5 - collection assembly;51 - storage box;52 - mounting frame;6 - drainage hole. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.
[0026] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.
[0027] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0028] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships in which the product of the present application is usually placed during use, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third", etc. are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.
[0029] In addition, the terms "horizontal", "vertical", etc. do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.
[0030] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0031] The present invention will now be described in further detail with reference to specific embodiments and accompanying drawings.
[0032] See Figures 1 to 4 The drain hole cleaning device provided in this embodiment includes a suction component 4, a collection component 5, and a negative pressure mechanism 2.
[0033] The suction assembly 4 includes a suction tube for suctioning debris. The collection assembly 5 has a receiving space connected to one end of the suction tube. The negative pressure mechanism 2 includes a negative pressure generator and a negative pressure amplifier 41. The negative pressure generator generates a high-speed airflow, and its output end is connected to the suction tube via the negative pressure amplifier 41. The outlet end of the negative pressure amplifier 41 faces the collection assembly 5 to create a negative pressure at the end of the suction tube away from the collection assembly 5.
[0034] When in use, the suction assembly 4, the collection assembly 5 and the negative pressure mechanism 2 can be mounted on the cleaning vehicle or other movable vehicle body 1 for movement. When moving to the side of the drain hole 6, the end of the suction pipe is inserted into the drain hole 6 and the negative pressure generator is activated.
[0035] After the negative pressure generator operates, it generates a high-speed airflow, which is discharged to the suction pipe through the negative pressure amplification component 41. This generates a high-speed airflow towards the containment space within the suction pipe. A negative pressure is formed at the end of the suction pipe away from the collection component 5, which draws the sludge in the drain hole 6 and discharges it along the suction pipe into the containment space.
[0036] The negative pressure amplification component 41 increases the airflow velocity, further enhancing the negative pressure generated at the end of the suction pipe. This ensures the suction pipe can smoothly draw the accumulated material into the receiving space, thereby cleaning the drain hole 6. The drain hole cleaning device proposed in this embodiment uses negative pressure to draw and clean the accumulated material collected in the drain hole 6. It boasts high cleaning efficiency and effectiveness, is less likely to damage the pipes, and can collect the accumulated material, preventing it from easily falling back onto local roads or water source protection areas and causing environmental pollution.
[0037] In this embodiment, the negative pressure amplification element 41 has an air inlet 411 and an air outlet 413. The air inlet 411 is connected to the output end of the negative pressure generator. The air outlet 413 is located at one end of the negative pressure amplification element 41 and faces the end that connects to the receiving space; the air outlet 413 is the air outlet end of the negative pressure amplification element 41. The diameter of the air outlet 413 is smaller than the diameter of the air inlet 411.
[0038] The structure that the outlet 413 of the negative pressure amplification part 41 is smaller than the inlet 411, according to the Venturi effect principle in fluid mechanics, the high-speed airflow generated by the negative pressure generator forms secondary acceleration when flowing through the gradually narrowing outlet 413, thereby improving the kinetic energy of the airflow, to generate stronger negative pressure at the end of the suction pipe, and improve the suction capacity of the accumulated material, without increasing additional power device to achieve the improvement of suction force.
[0039] In the embodiment, the negative pressure amplification part 41 includes a ring-shaped pipe with a gas guide groove 412, the ring-shaped pipe is embedded on the suction pipe, the inlet 411 is arranged on the outer wall of the ring-shaped pipe, and the outlet 413 is arranged at one end of the ring-shaped pipe.
[0040] Specifically, in the embodiment, the ring-shaped pipe is embedded on the suction pipe, which can avoid the air leakage problem of split type connection, and the suction pipe at both ends of the ring-shaped pipe can be disassembled and replaced, to facilitate the adaptation to different aperture drain holes 6.
[0041] In the embodiment, the outlet 413 has a plurality of outlets. The gas guide groove 412 is a ring-shaped groove. The plurality of outlets 413 are uniformly and spacedly arranged along the circumference of the ring-shaped pipe and are in communication with the ring-shaped groove, and the sum of the diameters of the plurality of outlets 413 is smaller than the diameter of the inlet 411.
[0042] The total diameter of the plurality of outlets 413 is smaller than the inlet 411, according to the Venturi principle, the airflow generated by the negative pressure generator produces an acceleration effect through the sudden change of the cross-sectional area, and the airflow speed reaches a peak value at the outlet 413, thereby forming a stronger negative pressure at the suction end of the suction pipe to suck the accumulated material.
[0043] In addition, the plurality of outlets 413 in the embodiment are uniformly and spacedly arranged along the circumference of the ring-shaped groove, forming a uniform flow guide structure, so that the high-speed airflow output by the negative pressure generator through the negative pressure amplification part 41 forms stable multiple airflows in the suction pipe, avoiding the turbulent disturbance caused by single-hole outlet, so that the scouring force distribution of the inner wall of the suction pipe is uniform, preventing the accumulated material from adhering to the hole wall of the drain hole 6 due to insufficient local scouring.
[0044] In the embodiment, the suction pipe includes a suction section 42 and a discharge section 43. The suction section 42 is used for inserting into the drain hole 6 to perform the suction action, and the suction section 42 is located at the end of the ring-shaped pipe away from the outlet 413. The discharge section 43 is in communication with the containing space at one end, and is connected with the end of the ring-shaped pipe provided with the outlet 413 at the other end, and the end of the discharge section 43 is located outside the outlet 413.
[0045] Specifically, in the embodiment, the suction pipe is a split structure, and the suction section 42 and the discharge section 43 are connected to two ends of the annular pipe respectively. In this structure, the suction section 42 can be replaced according to the aperture of the different drain holes 6, so that the drain hole cleaning device can be adapted to different drain holes 6.
[0046] In the embodiment, the negative pressure amplifying part 41 further comprises a first adapter pipe and a second adapter pipe. One end of the first adapter pipe is connected to the suction section 42, and the other end is connected to one end of the annular pipe away from the air outlet 413. One end of the second adapter pipe is connected to the discharge section 43, and the other end is connected to one end of the annular pipe provided with the air outlet 413. The second adapter pipe is sleeved outside the plurality of air outlets 413, and the inner diameter of the second adapter pipe gradually decreases from the air outlet 413 to the direction away from the air outlet 413.
[0047] In the embodiment, the first adapter pipe and the second adapter pipe are respectively used to connect the annular pipe to the suction section 42 and the discharge section 43.
[0048] The structure that the inner diameter of the second adapter pipe gradually decreases from the air outlet 413 to the outside (similar to the design of a Laval nozzle) forms a two-stage acceleration zone between the air outlet 413 and the discharge section 43. When the high-speed airflow passes through the gradually decreasing structure, the airflow speed is further increased, the negative pressure at the distal end of the suction pipe is further increased, and thus the suction capacity for the consolidated silt is further enhanced.
[0049] In addition, the design that the second adapter pipe is sleeved with the air outlet 413 restricts the divergent airflow of the air outlet 413 of the annular pipe into axial high-speed jet flow, reduces the disturbance of the transverse airflow, and avoids the risk of secondary deposition of silt.
[0050] In the embodiment, the suction assembly 4 further comprises a handle 45. The handle 45 is arranged on the discharge section 43.
[0051] Specifically, in the embodiment, the handle 45 is arranged on the discharge section 43, and the height of the handle 45 is 1 m to 1.5 m. When in use, the suction pipe can be operated through the handle 45, so as to adjust the angle and height of suction according to the depth of the drain hole 6, and the operation is convenient.
[0052] In the embodiment, the negative pressure mechanism 2 further comprises a control valve 44 arranged between the air outlet end of the negative pressure generating part and the air inlet 411.
[0053] Specifically, in the embodiment, the negative pressure generating part has an air pipe 3, the negative pressure generating part delivers high-speed airflow through the air pipe 3, and the end of the air pipe 3 is the air outlet end of the negative pressure generating part. In the embodiment, the end of the air pipe 3 is connected to the air inlet 411, and the control valve 44 is arranged at the end of the air pipe 3 to control the opening and closing of the air inlet of the air pipe 3.
[0054] The control valve 44 can control the opening and closing of the pipeline at the output end of the negative pressure generating device. When the drain hole 6 is cleaned, the worker can adjust the position of the suction pipe by moving the handle 45, and realize the opening and closing of the suction action in combination with the control valve 44, which is more convenient to operate.
[0055] In the embodiment, the collecting assembly 5 comprises a storage box 51 and a mounting frame 52. A containing space is arranged in the storage box 51. The mounting frame 52 is connected with the storage box 51 and used for mounting the storage box 51.
[0056] Specifically, the storage box 51 in the embodiment is used for storing the silt, and the storage box 51 is arranged on the mounting frame 52 and can be mounted on the movable vehicle body 1 such as a light truck or a cleaning vehicle through the mounting frame 52.
[0057] In the embodiment, the drain hole cleaning device further comprises a vehicle body 1 comprising a vehicle head and a vehicle body, and the collecting assembly 5 is arranged on the vehicle head and the negative pressure generating device is arranged on the vehicle body.
[0058] Specifically, the vehicle body 1 in the embodiment is a light truck, the storage box 51 is arranged on the mounting frame 52, and the mounting frame 52 is fixed to the vehicle head of the light truck by means of bolt connection.
[0059] The negative pressure generating device in the embodiment is an air compressor, which is a common construction equipment in daily maintenance and is very convenient to obtain when it needs to be assembled and used. The air compressor is arranged on the vehicle body of the light truck and is also fixed to the vehicle body of the light truck by means of bolt connection.
[0060] It should be noted that, in the embodiment, the light truck, the air compressor and the like are common construction equipment in daily maintenance, which can be put into use by temporary assembly, and the equipment cost is low. The drain hole cleaning device provided in the embodiment uses the light truck as a moving structure, has strong maneuverability and is convenient to move, has high construction efficiency for cleaning the drain hole 6, and can significantly reduce the labor and time costs.
[0061] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A drain hole cleaning device, characterized in that, include: The suction assembly (4) includes a suction tube for suctioning debris; The collection component (5) has a receiving space connected to one end of the inhalation tube; The negative pressure mechanism (2) includes a negative pressure generator and a negative pressure amplifier (41). The negative pressure generator is used to generate a high-speed airflow. The output end of the negative pressure generator is connected to the suction tube through the negative pressure amplifier (41). The outlet end of the negative pressure amplifier (41) faces the collection assembly (5) to form a negative pressure at the end of the suction tube away from the collection assembly (5).
2. The drain hole cleaning device according to claim 1, characterized in that, The negative pressure amplification element (41) has: The air inlet (411) is connected to the output end of the negative pressure generator; The air outlet (413) is located at one end of the negative pressure amplification component (41) and faces the end that connects to the accommodating space. The air outlet (413) is the air outlet end of the negative pressure amplification component (41). The diameter of the air outlet (413) is smaller than the diameter of the air inlet (411).
3. The drain hole cleaning device according to claim 2, characterized in that, The negative pressure amplification component (41) includes: The annular tube has an air guide groove (412), the annular tube is embedded in the suction tube, the air inlet (411) is located on the outer wall of the annular tube, and the air outlet (413) is located at one end of the annular tube.
4. The drain hole cleaning device according to claim 3, characterized in that, There are multiple air outlets (413); The air guide groove (412) is an annular groove; The plurality of air outlets (413) are evenly and spaced along the circumference of the annular tube and are all connected to the annular groove. The sum of the diameter areas of the plurality of air outlets (413) is smaller than the diameter area of the air inlet (411).
5. The drain hole cleaning device according to claim 3, characterized in that, The inhalation tube includes: The suction section (42) is inserted into the drain hole (6) to perform a suction action. The suction section (42) is located at the end of the annular tube away from the air outlet (413). The discharge section (43) is connected at one end to the accommodating space and at the other end to the end of the annular pipe that has the air outlet (413), and the end of the discharge section (43) is located outside the air outlet (413).
6. The drain hole cleaning device according to claim 5, characterized in that, The negative pressure amplification device (41) also includes: The first connecting tube is connected at one end to the inhalation section (42) and at the other end to the end of the annular tube away from the outlet (413). The second connecting pipe has one end connected to the discharge section (43) and the other end connected to the end of the annular pipe with the air outlet (413). The second connecting pipe is sleeved on the outside of the plurality of air outlets (413). The inner diameter of the second connecting pipe gradually decreases from the direction close to the air outlet (413) to the direction away from the air outlet (413).
7. The drain hole cleaning device according to claim 5, characterized in that, The suction assembly (4) also includes a handle (45); The handle (45) is located in the discharge section (43).
8. The drain hole cleaning device according to claim 2, characterized in that, The negative pressure mechanism (2) also includes: A control valve (44) is located between the outlet end of the negative pressure generator and the inlet (411).
9. The drain hole cleaning device according to claim 1, characterized in that, The collection component (5) includes: Storage box (51), the accommodating space is disposed inside the storage box (51); Mounting bracket (52); connected to the storage box (51) and used for mounting the storage box (51).
10. The drain hole cleaning device according to any one of claims 1-9, characterized in that, The drain hole cleaning device also includes: The vehicle body (1) includes a front end and a body, the collecting component (5) is located at the front end, and the negative pressure generating component is located at the body.