A gantree type suction dredger

By improving the design of the gantry-type sludge suction machine and utilizing the structure of the moving plate and scraper, the problems of the number of suction heads and low efficiency in the existing technology have been solved, achieving the effect of flexibly adapting to the volume of the sedimentation tank and improving the sludge suction efficiency.

CN224292609UActive Publication Date: 2026-05-29JIANGSU NORD ENVIRONMENTAL ENG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU NORD ENVIRONMENTAL ENG CO LTD
Filing Date
2025-04-25
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing gantry-type sludge suction machines require the installation of multiple suction heads to match the bottom area of ​​the sedimentation tank, which increases equipment costs and results in low sludge suction efficiency, failing to effectively gather sludge towards the suction head.

Method used

A gantry-type sludge suction machine was designed. The gantry drive structure and rollers drive the moving plate to move. The distance between the suction heads is adjusted by a double-threaded screw and a motor. The sludge scraper equipped with a scraping component gathers the sludge in the direction of suction and forward movement. The sludge is then pumped out by a screw rod and discharged through a sewage pipe.

Benefits of technology

It enables flexible adjustment of the sludge suction head position in sedimentation tanks of different volumes, reduces equipment costs, improves sludge suction efficiency and sludge aggregation effect, and reduces the need for equipment and auxiliary facilities.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224292609U_ABST
    Figure CN224292609U_ABST
Patent Text Reader

Abstract

The utility model provides a kind of beam trolley suction dredger, it is related to suction dredger field, comprising: beam trolley, the lower end of the beam trolley is connected in the upper side end along of sedimentation tank by gyro wheel rolling connection, and the lower end of beam trolley is connected with moving plate, the inside of moving plate is screwed and is penetrated with double screw thread screw rod, and one end of double screw thread screw rod is connected with first motor by synchronous belt, and the upper end of moving plate is connected with guide block, the lower end of moving plate is connected with connecting pipe, and the lower end of connecting pipe is connected with fixed pipe, and the lower end of fixed pipe is connected with suction head, one end of connecting pipe is connected with blow-off pipe, and the other end of connecting pipe is connected with inlet pipe on the upside, the inside of fixed pipe is equipped with screw rod, and screw rod upper end is connected with second motor, and second motor is fixed in moving plate inside.The utility model has the effect that it is convenient to adaptively adjust suction head position according to the volume of sedimentation tank, and it has the effect of improving suction efficiency and facilitating cleaning pipeline sludge.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of sludge suction machine technology, specifically to a gantry-type sludge suction machine. Background Technology

[0002] A vehicle-mounted sludge scraper is a sludge removal device installed on a rectangular horizontal flow sedimentation tank. The scraper mainly consists of a working bridge, a transmission device, scraper blades, and a sludge lifting pump. The machine has a fixed platform spanning the sedimentation tank. The sediment in the wastewater settles at the bottom of the tank, and the scraper scrapes the settled sludge into the central sludge collection pit, from which the sludge is discharged using a sludge pump.

[0003] A search revealed existing technology (publication number: CN222368428U), which describes "a gantry-type sludge suction machine, comprising: a sedimentation tank; a track, the bottom of which is fixedly connected to the top of the sedimentation tank; a gantry body, the bottom of which is slidably connected to the top of the track; a stepper motor, the outer wall of which is fixedly connected to the top of the gantry body via a frame; a sewage pipe, the top of which is fixedly connected to the bottom of the gantry body; a sewage discharge mechanism, the bottom of which is slidably connected to the inner wall of the bottom of the sedimentation tank; and a quick-connect mechanism." This utility model relates to the field of sludge suction machine technology. This application, by setting a sewage discharge mechanism, utilizes a partition shell that slides in the sedimentation tank to loosen the stubborn sludge at the bottom of the tank. Then, by high-speed rotation of the scraper shell, the sludge is drawn into the scraper shell. Under the rotation of the screw rod, the sludge is discharged upward to the top of the fixed pipe, and then discharged to the outside through the sewage discharge pipe. This application achieves the purpose of a gantry-type sludge suction machine.

[0004] While existing gantry-type sludge suction machines have achieved wear and replacement of the suction heads, they still have some shortcomings: the number of suction heads involved in existing sludge suction machines needs to be adapted to the bottom area of ​​the sedimentation tank. For example, the sedimentation tank involved in the aforementioned patent uses one suction head for sludge suction, but when used in a large-volume sedimentation tank, multiple suction heads need to be installed, which increases the cost of equipment use and related auxiliary facilities; secondly, when the suction heads are moving, they cannot scrape and collect the sludge at the bottom, causing it to gather near the suction head, which leads to deviations in sludge suction efficiency. Utility Model Content

[0005] To overcome the shortcomings of the existing technology, a gantry-type sludge suction machine is provided to solve the problems mentioned in the background.

[0006] To achieve the above objectives, a gantry-type sludge suction machine is provided, comprising: a gantry, the lower end of which is rotatably connected to the upper edge of a sedimentation tank via rollers, and a movable plate connected to the lower end of the gantry; a double-threaded screw threaded through the interior of the movable plate, one end of which is connected to a first motor via a synchronous belt; a guide block connected to the upper end of the movable plate; a connecting pipe connected to the lower end of the movable plate, and a fixed pipe connected to the lower end of the connecting pipe; a sludge suction head connected to the lower end of the fixed pipe; a sewage discharge pipe connected to one end of the connecting pipe, and a water inlet pipe connected to the upper side of the other end of the connecting pipe; a spiral rod provided inside the fixed pipe, and a second motor connected to the upper end of the spiral rod, which is fixed inside the movable plate; and a scraping assembly connected to the outer side of the sludge suction head, which is connected to the outer wall of the fixed pipe.

[0007] Furthermore, the first motor is mounted on the top of the gantry crane, and the output shaft of the first motor is connected to a drive shaft, with a pulley connected to the outer side of the drive shaft.

[0008] Furthermore, the two ends of the double-threaded screw are rotatably connected to shaft plates, and the shaft plates are fixed to the lower end of the gantry. A pulley is connected to the shaft at one end of the double-threaded screw, and a timing belt passes through the top of the gantry and connects to the upper and lower pulleys.

[0009] Furthermore, the sewage pipe is longitudinally slidably connected to the upper wall of the sedimentation tank, and the sewage pipe is laterally connected to the connecting pipe, with the outer end of the sewage pipe bent downwards.

[0010] Furthermore, the end of the connecting pipe away from the sewage pipe is provided with a solid end, and the solid end has an inlet chamber inside, and one end of the inlet chamber is provided with a one-way valve, and the inlet pipe is connected to the upper end of the inlet chamber.

[0011] Furthermore, the scraping assembly includes a connecting plate and a first reinforcing rib, and one end of the connecting plate and the first reinforcing rib is welded and fixed to the fixing pipe.

[0012] Furthermore, the outer end of the connecting plate is connected to a scraper, and the upper end of the scraper is connected to a second reinforcing rib, and the scraper is symmetrically arranged on the outside of the suction head.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. Utilizing the gantry crane's own drive structure and rollers, the gantry crane drives the moving plate to move back and forth. During the movement, the second motor is started to drive the screw rod to rotate in the fixed pipe, which in turn drives the internal structure of the suction head to clean the sludge at the bottom of the sedimentation tank. The sludge is then pumped to the connecting pipe and discharged through the sewage pipe. When suctioning sludge at other locations at the bottom of the sedimentation tank, the first motor, drive shaft, and synchronous belt drive the double threaded screw to rotate. The moving plate then adjusts the distance between the two sets of suction heads, allowing it to perform suction operations at different locations at the bottom of the sedimentation tank. This avoids the need to install multiple sets of suction equipment when suctioning sludge from large-volume sedimentation tanks, reducing equipment operating costs and related auxiliary facility costs.

[0015] 2. By utilizing the scraper blades included in the scraper assembly, the sludge on the forward path can be gathered inwards as the suction head moves back and forth, thus increasing the amount of sludge fed into the suction head and improving the efficiency of sludge suction. Attached Figure Description

[0016] Figure 1 This is a front view structural diagram of an embodiment of the present utility model.

[0017] Figure 2 This is an embodiment of the present utility model. Figure 1 Schematic diagram of the structure at point A in the middle.

[0018] Figure 3 This is a top view of the scraping assembly according to an embodiment of the present invention.

[0019] Figure 4 This is a cross-sectional view of the lower end structure of the movable plate according to an embodiment of the present utility model.

[0020] In the diagram: 1. Gantry crane; 11. Roller; 12. First motor; 13. Drive shaft; 14. Synchronous belt; 15. Double threaded screw; 16. Shaft plate; 2. Moving plate; 21. Guide block; 22. Connecting pipe; 221. Water inlet chamber; 222. Check valve; 223. Water inlet pipe; 23. Fixed pipe; 231. Spiral rod; 232. Second motor; 24. Scraper assembly; 241. Connecting plate; 242. First reinforcing rib; 243. Sludge scraper; 244. Second reinforcing rib; 25. Sludge suction head; 26. Sewage discharge pipe. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Reference Figures 1 to 4 As shown, this utility model provides a gantry-type sludge suction machine, including: a gantry 1, the lower end of which is rotatably connected to the upper edge of a sedimentation tank via rollers 11, and a movable plate 2 connected to the lower end of the gantry 1. A double-threaded screw 15 is screwed through the interior of the movable plate 2, and one end of the double-threaded screw 15 is connected to a first motor 12 via a synchronous belt 14. A guide block 21 is connected to the upper end of the movable plate 2, and a connecting pipe 22 is connected to the lower end of the movable plate 2. A fixed pipe 23 is connected, and a sludge suction head 25 is connected to the lower end of the fixed pipe 23. One end of the connecting pipe 22 is connected to a sewage discharge pipe 26, and the upper side of the other end of the connecting pipe 22 is connected to a water inlet pipe 223. A spiral rod 231 is provided inside the fixed pipe 23, and a second motor 232 is connected to the upper end of the spiral rod 231. The second motor 232 is fixed inside the moving plate 2. A scraping assembly 24 is connected to the outer side of the sludge suction head 25, and the scraping assembly 24 is connected to the outer wall of the fixed pipe 23.

[0023] In this embodiment, the gantry 1, the movable plate 2, and the components connected to the outside of the movable plate 2 constitute the main structure of the gantry-type sludge suction machine involved in this application.

[0024] The driving method of the gantry crane 1 at the top of the sedimentation tank is a known technical solution.

[0025] The internal structure of the suction head 25 and the connection method of the spiral rod 231 and the fixed tube 23 are consistent with the component structure and principle involved in the prior art comparison document, and the suction head 25 is provided with two sets.

[0026] like Figure 1 and Figure 2 In the process, the first motor 12 is mounted on the top of the gantry 1, and the output shaft of the first motor 12 is connected to the drive shaft 13. The outer side of the drive shaft 13 is connected to a pulley. The two ends of the double threaded screw 15 are rotatably connected to the shaft plate 16, and the shaft plate 16 is fixed to the lower end of the gantry 1. The shaft of one end of the double threaded screw 15 is connected to a pulley. At the same time, the synchronous belt 14 passes through the top of the gantry 1 and is connected to the upper and lower pulleys.

[0027] Specifically, the first motor 12 and the double-threaded screw 15 only adjust the spacing of the sludge suction head 25. After adjustment, the sludge suction head 25 is still driven back and forth by the gantry crane 1 to achieve the sludge suction effect, thus making it suitable for sedimentation tanks of different sizes.

[0028] like Figure 1 , Figure 3 and Figure 4 In the sedimentation tank, the sewage pipe 26 is longitudinally slidably connected to the upper wall of the sedimentation tank, and the sewage pipe 26 is transversely connected to the connecting pipe 22. The outer end of the sewage pipe 26 is bent downward. The end of the connecting pipe 22 away from the sewage pipe 26 is provided with a solid end, and the solid end is provided with an inlet chamber 221. One-way valve 222 is provided at one end of the inlet chamber 221, and the inlet pipe 223 is connected to the upper end of the inlet chamber 221. The scraping assembly 24 includes a connecting plate 241 and a first reinforcing rib 242. One end of the connecting plate 241 and the first reinforcing rib 242 is welded and fixed to the fixed pipe 23. The outer end of the connecting plate 241 is connected to a sludge scraper 243, and the upper end of the sludge scraper 243 is connected to a second reinforcing rib 244. The sludge scraper 243 is symmetrically arranged on the outside of the suction head 25.

[0029] Specifically, the sedimentation tank has a rectangular groove in the front-to-back direction at the height of the sewage pipe 26, and the sewage pipe 26 slides in the rectangular groove. The inner wall of the rectangular groove is provided with a smooth metal lining to reduce friction and wear on the sewage pipe 26.

[0030] As another preferred implementation, by setting up an inlet pipe 223, an inlet chamber 221, and a one-way valve 222, the remaining sludge inside the connecting pipe 22 and the fixed pipe 23 can be flushed after the sludge suction operation is completed. Specifically, the outer end of the inlet pipe 223 is connected to an inlet hose and a water supply device (water pump, etc.) so that the inlet chamber 221 can flush the inside of the connecting pipe 22, the drain pipe 26, and the fixed pipe 23.

[0031] In operation, the gantry crane's own drive structure and rollers enable it to move the movable plate back and forth. During this movement, a second motor drives a screw rod to rotate within a fixed pipe, which in turn drives the internal structure of the suction head to clean the sludge at the bottom of the sedimentation tank. The sludge is then pumped to a connecting pipe and discharged through a drain pipe. When suctioning sludge at other locations at the bottom of the sedimentation tank, a first motor, drive shaft, and synchronous belt drive a double-threaded screw to rotate. The movable plate then adjusts the distance between the two sets of suction heads, allowing for suction operations at different locations at the bottom of the sedimentation tank. This avoids the need to install multiple suction devices when suctioning large-volume sedimentation tanks, reducing equipment operating costs and related auxiliary facility costs. The scraper blades included in the scraping assembly allow the sludge on the forward path of the suction head to be gathered inwards, thus increasing the amount of sludge that can be fed into the suction head and improving suction efficiency.

[0032] The gantry-type sludge suction machine of this utility model can effectively solve the problems mentioned in the background technology. Based on the existing gantry-type sludge suction machine technology, it has the advantages of being able to adjust the position of the sludge suction head according to the volume of the sedimentation tank, improving sludge suction efficiency and facilitating the cleaning of sludge in the pipeline.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A gantry crane-type sludge suction machine, comprising: The gantry (1) is characterized in that: the lower end of the gantry (1) is connected to the upper edge of the sedimentation tank by a roller (11), and the lower end of the gantry (1) is connected to a moving plate (2). A double threaded screw (15) is threaded through the interior of the moving plate (2), and one end of the double threaded screw (15) is connected to a first motor (12) by a synchronous belt (14). A guide block (21) is connected to the upper end of the moving plate (2), and a connecting pipe (22) is connected to the lower end of the moving plate (2). A fixing pipe (23) is connected to the lower end of the connecting pipe (22). The lower end of the fixed pipe (23) is connected to a sludge suction head (25), one end of the connecting pipe (22) is connected to a sewage pipe (26), and the upper side of the other end of the connecting pipe (22) is connected to a water inlet pipe (223). The fixed pipe (23) is provided with a spiral rod (231), and the upper end of the spiral rod (231) is connected to a second motor (232). The second motor (232) is fixed inside the moving plate (2). The outer side of the sludge suction head (25) is connected to a scraping assembly (24), and the scraping assembly (24) is connected to the outer wall of the fixed pipe (23).

2. The gantry-type sludge suction machine according to claim 1, characterized in that, The first motor (12) is mounted on the top of the gantry (1), and the output shaft of the first motor (12) is connected to the drive shaft (13), and a pulley is connected to the outside of the drive shaft (13).

3. A gantry-type sludge suction machine according to claim 1, characterized in that, The two ends of the double threaded screw (15) are rotatably connected to the shaft plate (16), and the shaft plate (16) is fixed at the lower end of the gantry (1). A pulley is connected to the shaft at one end of the double threaded screw (15), and the synchronous belt (14) passes through the top of the gantry (1) and is connected to the upper and lower pulleys.

4. A gantry-type sludge suction machine according to claim 1, characterized in that, The sewage pipe (26) is longitudinally slidably connected to the upper side wall of the sedimentation tank, and the sewage pipe (26) is transversely connected to the connecting pipe (22), and the outer end of the sewage pipe (26) is bent downward.

5. A gantry-type sludge suction machine according to claim 1, characterized in that, The connecting pipe (22) has a solid end at the end away from the drain pipe (26), and an inlet chamber (221) is opened inside the solid end. A one-way valve (222) is provided at one end of the inlet chamber (221), and the inlet pipe (223) is connected to the upper end of the inlet chamber (221).

6. A gantry-type sludge suction machine according to claim 1, characterized in that, The scraping assembly (24) includes a connecting plate (241) and a first reinforcing rib (242), and one end of the connecting plate (241) and the first reinforcing rib (242) is welded and fixed to the fixing tube (23).

7. A gantry-type sludge suction machine according to claim 6, characterized in that, The outer end of the connecting plate (241) is connected to a scraper (243), and the upper end of the scraper (243) is connected to a second reinforcing rib (244). The scraper (243) is symmetrically arranged on the outside of the suction head (25).