Sludge suction travelling crane provided with V-shaped scraper

Abstract

The utility model belongs to the technical field of water purification treatment equipment, and particularly relates to a sludge suction travelling crane provided with a V-shaped scraper blade, which comprises a travelling crane beam, two travelling crane driving devices and a siphon type sludge suction device, the crane beam is transversely arranged above the sedimentation tank, and the crane driving devices are mounted on the lower sides of the two ends of the crane beam; the travelling crane driving device is mounted on the guide rail; the siphoning type sludge suction device comprises a plurality of sludge suction branch pipes, a sludge suction main pipe, a self-sucking pump, a siphon pipe and an electromagnetic valve; each sludge suction branch pipe is provided with a V-shaped scraping plate and a scraping plate adjusting assembly; the scraper blade adjusting assembly controls the V-shaped scraper blade to swing back and forth within a certain angle.

Description

Technical Field

[0001] The utility model belongs to the technical field of water purification treatment equipment, and particularly refers to a sludge suction traveling crane configured with a V-shaped scraper. Background Art

[0002] The conventional water treatment process in a tap water purification plant mainly includes four technological processes: coagulation, sedimentation, filtration, and disinfection; through these four steps, insoluble impurities, soluble impurities, toxic substances, and pathogenic microorganisms in water are removed.

[0003] In the second sedimentation link, most of the flocs in the water body settle in the sedimentation tank by their own gravity, and the sludge in the sedimentation tank needs to be sucked out regularly. At present, the water plant uses a traveling sludge suction machine to scrape the sludge settled at the bottom of the tank to the pump suction nozzle, suck the sludge while walking through the pump, and then discharge the sludge outside the tank for centralized treatment. The traveling sludge suction machine in the prior art has the following disadvantages:

[0004] 1. The scraper at the bottom will be worn after being used for a long time, resulting in a weakened sludge scraping effect; it needs to be replaced manually, which is time-consuming and laborious;

[0005] 2. The scraper configured on the sludge suction traveling crane is a V-shaped scraper, and the suction nozzle is arranged in the middle of the V-shaped scraper; this V-shaped scraper can only scrape the sludge in one direction; during the process of the sludge suction traveling crane retreating and resetting, the V-shaped scraper not only cannot scrape the sludge, but will instead lift up some of the sludge that has not been scraped clean, which is not conducive to water purification. Summary of the Invention

[0006] The purpose of the utility model is to provide a sludge suction traveling crane configured with a V-shaped scraper, which can better clean the sludge at the bottom of the sedimentation tank and can greatly extend the service life of the scraper.

[0007] The purpose of the utility model is realized as follows:

[0008] A sludge suction traveling crane includes a traveling beam, two traveling driving devices, a sludge suction device, and a siphon device;

[0009] The traveling beam is horizontally arranged above the sedimentation tank, and the traveling driving devices are installed on the lower sides of both ends of the traveling beam; the traveling driving devices are installed on the guide rails and can move forward or backward along the guide rails;

[0010] The sludge suction device includes a sludge suction main pipe and a number of vertically downward sludge suction branch pipes. The number of sludge suction branch pipes are arranged horizontally on the lower side of the traveling beam, and the sludge suction branch pipes converge on the sludge suction main pipe;

[0011] Each sludge suction branch pipe is equipped with a V-shaped scraper. The V-shaped scraper is rotatably installed at the lower part of the sludge suction branch pipe. The rear side of the V-shaped scraper is hinged to the lower end of the scraper adjustment assembly. The opening direction of the V-shaped scraper is the same as the advancing direction of the sludge suction traveling crane. The sludge suction nozzle of the sludge suction branch pipe is arranged in the middle of the V-shaped scraper.

[0012] A number of scraper adjustment assemblies are arranged on the lower side of the traveling crane beam. The scraper adjustment assembly cooperates with the V-shaped scraper and controls the V-shaped scraper to swing back and forth within a certain angle.

[0013] The scraper adjustment assembly includes:

[0014] A fixed seat, which is fixedly installed under the traveling crane beam and located at the rear side of the corresponding sludge suction branch pipe;

[0015] A horizontal transmission shaft, which is rotatably installed in the fixed seat and used to receive external power;

[0016] A vertical transmission shaft, which is rotatably installed in the fixed seat and used to receive the power transmitted by the horizontal transmission shaft;

[0017] A bevel gear assembly, which is arranged between the horizontal transmission shaft and the vertical transmission shaft and used to transmit power;

[0018] A telescopic sleeve assembly, which is arranged at the lower part of the vertical transmission shaft and used to swing the V-shaped scraper;

[0019] The telescopic sleeve assembly includes a nut component and a bolt component;

[0020] The upper side of the nut component is combined with the vertical transmission shaft and rotates synchronously;

[0021] The lower side of the bolt component is installed with an extension rod, and the lower end of the extension rod is hinged to the rear side of the V-shaped scraper;

[0022] The nut component and the bolt component are in threaded cooperation. When the nut component and the bolt component rotate relative to each other, the telescopic sleeve assembly extends or contracts.

[0023] Preferably, several of the scraper adjustment assemblies share one adjustment motor; the horizontal transmission shafts of adjacent two scraper adjustment assemblies are connected and driven through a coupling sleeve.

[0024] Preferably, a support diagonal rod is arranged on the front side of the sludge suction branch pipe; one end of the support diagonal rod is fixed on the sludge suction branch pipe, and the other end is fixed on the lower side of the traveling crane beam.

[0025] The prominent and beneficial technical effects of the present utility model compared with the prior art are:

[0026] The scraper of the present utility model is a V-shaped scraper, which can be rotatably installed on the sludge suction branch pipe, and the V-shaped scraper can be controlled to swing within a certain angle through a scraper adjustment assembly; when the operator detects that the sludge scraping effect becomes weak, it means that the lower part of the scraper has been worn. At this time, only by controlling the adjustment motor to swing the scraper downward by a certain angle, compensation can be achieved; in addition, during the process of the sludge suction traveling crane sucking up the sludge and retreating, the scraper can also be controlled to swing upward by a certain angle, so that the scraper is separated from the bottom of the sedimentation tank, thereby avoiding raising the sludge during the backward movement of the sludge suction traveling crane and facilitating the purification of the water body. Description of the Drawings

[0027] Figure 1 It is a schematic diagram of the sludge suction traveling crane installed in the sedimentation tank.

[0028] Figure 2 It is a schematic diagram of the siphon sludge suction device of the sludge suction traveling crane.

[0029] Figure 3 It is a partial schematic diagram of the sludge suction traveling crane from an obliquely upward perspective.

[0030] Figure 4 External contour schematic diagram of the scraper adjustment assembly.

[0031] Figure 5 It is a schematic diagram of the internal transmission of the scraper adjustment assembly.

[0032] Figure 6 It is a schematic diagram of the installation of the V-shaped scraper. Detailed Embodiment

[0033] The present utility model will be further described below with specific embodiments in conjunction with the drawings.

[0034] See Figures 1 - 6 , a sludge suction traveling crane for installing in a sedimentation tank 100 to treat sludge. The sedimentation tank 100 is used to hold water, and the water is flowing, flowing in from one end of the sedimentation tank and flowing out from the other end; during the process of water flow, the suspended solids and particulate matters inside it will gather and deposit at the bottom 101 of the sedimentation tank; Figure 1 Only a part of the length of the sedimentation tank is intercepted and shown in

[0035] The sludge suction traveling crane 400 of this technical solution is installed on the guide rail 300 and can move forward or backward along the guide rail 300. Specifically, the sludge suction traveling crane 400 includes a traveling crane beam 401, two traveling crane driving devices 402, and a siphon-type sludge suction device 403; the traveling crane beam 401 is horizontally arranged above the sedimentation tank 100, and the traveling crane driving devices 402 are installed on the lower sides of both ends of the traveling crane beam; the traveling crane driving devices are installed on the guide rail and can move forward or backward along the guide rail;

[0036] The siphon-type sludge suction device 403 includes sludge suction branch pipes 406, a sludge suction main pipe 407, a self-priming pump 408, a siphon pipe 409, and a water seal box 412;

[0037] The sludge suction branch pipes 406 are vertically arranged, installed on the traveling crane beam 401 and located on the lower side of the traveling crane beam; the lower ends of the sludge suction branch pipes are the suction ends, and suction nozzles 4061 are arranged at the suction ends. The shape of the suction nozzles 4061 is flat triangular; the suction nozzles are arranged in the sedimentation tank and close to the bottom of the tank; several sludge suction branch pipes 406 are arranged horizontally on the lower side of the traveling crane beam, and the sludge suction branch pipes converge on the sludge suction main pipe 407;

[0038] The output end of the sludge suction main pipe 407 extends outward into the sludge discharge channel 200;

[0039] The self-priming pump 407 is installed on the traveling crane beam 401; the suction pipe 411 of the self-priming pump extends into the sedimentation tank, and the discharge pipe 410 of the self-priming pump extends into the sludge discharge channel; the discharge pipe 410 of the self-priming pump is connected to the sludge suction main pipe 407 through the siphon pipe 409; when the self-priming pump conveys water flow to the discharge pipe, the air in the sludge suction main pipe 407 is introduced into the discharge pipe, and negative pressure is formed inside the sludge suction main pipe 407 and the sludge suction branch pipes 406. The sludge and water at the suction nozzle 4061 enter the sludge suction branch pipes under the action of atmospheric pressure to form a sludge suction phenomenon;

[0040] An air inlet branch is arranged on the siphon pipe 409, and a solenoid valve 414 is arranged on the air inlet branch; the solenoid valve 414 controls the air inlet branch to be communicated with or closed to the atmospheric pressure in the external environment; when the sludge suction work is completed, the solenoid valve 414 is opened to allow the gas in the external environment to enter the air inlet branch, and the negative pressure in the sludge suction main pipe 407 is destroyed, and the sludge suction phenomenon stops.

[0041] The output end of the sludge suction main pipe 407 extends into the water seal box 412;

[0042] The water seal box 412 is lower than the bottom 101 of the sedimentation tank; an overflow trough 413 is arranged on the side of the water seal box 412, and the water flow and sludge are discharged from the overflow trough 413 and enter the sludge discharge channel. The water seal box 412 can greatly reduce the noise during sludge discharge.

[0043] Each sludge suction branch pipe is equipped with a V-shaped scraper 601 and a scraper adjustment component 602; the V-shaped scraper is rotatably installed at the lower part of the sludge suction branch pipe, the rear side of the V-shaped scraper 601 is hinged to the lower end of the scraper adjustment component, and the opening direction of the V-shaped scraper is consistent with the advancing direction of the sludge suction traveling crane; the sludge suction nozzle 4061 of the sludge suction branch pipe is arranged in the middle of the V-shaped scraper; when the sludge suction traveling crane advances, the sludge is gathered by the V-shaped scraper and gathered towards the position of the sludge suction nozzle; a support platform 6059 is arranged at the lower part of the sludge suction branch pipe 406, a support shaft 6058 is installed on the support platform 6059, and the support shaft 6058 is rotationally matched with the V-shaped scraper 601; there is no need for precise rotation between the support shaft 6058 and the V-shaped scraper 601. In the case of realizing rotation, a slightly larger hole position can be set on the V-shaped scraper 601 to form a certain margin, so as to avoid the sludge from hindering the rotation.

[0044] The scraper adjustment component 602 includes:

[0045] A fixed seat 6021, which is fixedly installed below the traveling crane beam 401 and behind the corresponding sludge suction branch pipe 406;

[0046] A horizontal transmission shaft 6024, which is rotatably installed in the fixed seat and is used to receive external power;

[0047] A vertical transmission shaft 6025, which is rotatably installed in the fixed seat and is used to receive the power transmitted by the horizontal transmission shaft;

[0048] A bevel gear assembly 6026, which is arranged between the horizontal transmission shaft and the vertical transmission shaft and is used to transmit power;

[0049] A telescopic sleeve assembly 6050 is arranged at the lower part of the vertical transmission shaft and is used to swing the V-shaped scraper 601;

[0050] The telescopic sleeve assembly 6050 includes a nut component 6029 and a bolt component 6030;

[0051] The upper side of the nut component 6029 is combined with the vertical transmission shaft 6025 and rotates synchronously;

[0052] The lower side of the bolt component 6030 is installed with an extension rod 6023, and the lower end of the extension rod is hinged to the rear side of the V-shaped scraper 601, and this hinge point 6055 protrudes from the V-shaped scraper; during the advancing process of the sludge suction traveling crane, the sludge enters towards the opening of the V-shaped scraper. Setting the hinge point at the rear side of the V-shaped scraper 601 can better support the V-shaped scraper 601 and ensure the stability during the sludge scraping process. The V-shaped scraper in this embodiment, compared with the diamond-shaped scraper in Embodiment 1, must return to its original position after completing the sludge suction to perform the next sludge suction operation.

[0053] The nut component 6029 and the bolt component 6030 are in threaded fit. When the nut component and the bolt component rotate relative to each other, the telescopic sleeve assembly 6050 extends or contracts. When the telescopic sleeve assembly 6050 extends, the opening part of the V-shaped scraper 601 swings upward; when the telescopic sleeve assembly 6050 contracts, the opening part of the telescopic sleeve assembly 6050 swings downward. Side rubber strips 6056 are arranged on both sides of the opening of the V-shaped scraper 601, and a bottom rubber strip 6057 is also arranged at the bottom of the V-shaped scraper 601; the bottom rubber strip 6057 is prone to wear. In the traditional structure, as long as the wear amount is within a certain range, it will continue to be used until the wear exceeds a certain value, and then personnel are arranged to dive underwater for replacement or the water flow is emptied for replacement, and the replacement cost is relatively high; in this embodiment, after it is found that the bottom rubber strip 6057 is worn, only the telescopic sleeve assembly 6050 needs to be extended, so that the V-shaped scraper 601 swings downward by a certain angle to achieve compensation for the wear amount, and the service life is extended. Based on the compensation for the wear of the bottom rubber strip 6057, the adjustment motor 603 controls the V-shaped scraper 601 to swing downward permanently by a certain angle. In addition, during the backward movement of the sludge suction traveling crane, the V-shaped scraper 601 will lift the sludge that has not been sucked clean. In this embodiment, the V-shaped scraper 601 can be lifted by the telescopic sleeve assembly 6050, which can alleviate the phenomenon of sludge lifting during the backward movement of the sludge suction traveling crane, facilitate water purification, and the upward swing of the V-shaped scraper 601 during the backward movement of the sludge suction traveling crane is temporary and will return after returning to the original position.

[0054] Preferably, several of the scraper adjustment assemblies 602 share one adjustment motor 603; the transverse drive shafts of two adjacent scraper adjustment assemblies are connected and driven through a coupling sleeve 604; as Figure 5 shown, the end of the transverse drive shaft 6024 is provided with a tooth surface, and the two ends of the coupling sleeve 604 are also provided with meshing tooth surfaces, so as to form the transmission of force. Sharing one adjustment motor 603 can realize the combined adjustment of several scraper adjustment assemblies 602.

[0055] Preferably, a support diagonal rod 701 is arranged on the front side of the sludge suction branch pipe; one end of the support diagonal rod is fixed on the sludge suction branch pipe 406, and the other end is fixed on the lower side of the traveling crane beam 401. The support diagonal rod 701 and the telescopic sleeve assembly 6050 directly or indirectly support the sludge suction branch pipe in the front and rear directions, ensuring that the sludge suction branch pipe will not tilt.

[0056] Preferably, a protective cylinder 6022 is sleeved outside the upper part of the telescopic sleeve assembly 6050; the upper end of the protective cylinder is fixedly installed on the fixed seat 6021, and an oil seal component 6031 is arranged between the lower end of the protective cylinder and the outer wall of the extension rod 6023. The protective cylinder can prevent rainwater from entering and extend the service life. It should be noted that the actual telescopic stroke required for the telescopic sleeve assembly 6050 is not long and it will not be immersed in the water flow, so the sealing requirement of this oil seal component is not high.

[0057] Preferably, the upper part of the vertical transmission shaft 6025 passes through the supporting sleeve 6028 and then the bevel gear assembly 6026 is installed; the bevel gear assembly 6026 and the horizontal transmission shaft 6024 are in spline transmission; the bevel gear assembly 6026 and the vertical transmission shaft 6025 are in spline transmission; the inside of the bevel gear assembly 6026 is in meshing transmission; the supporting sleeve 6028 is threadedly fixed to the vertical transmission shaft 6025, a first plain bearing 6027 is arranged between the supporting sleeve and the fixed seat, and a second plain bearing 6032 is sleeved on the part of the vertical transmission shaft located below the fixed seat. Through the first plain bearing 6027 and the second plain bearing 6032, the movement of the telescopic sleeve assembly 6050 is made more stable.

[0058] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A sludge suction traveling crane configured with V-shaped scrapers, comprising a traveling crane beam (401), a main sludge suction pipe and a number of vertically downward sludge suction branch pipes (406). The number of sludge suction branch pipes (406) are arranged horizontally on the lower side of the traveling crane beam (401), and the sludge suction branch pipes (406) converge on the main sludge suction pipe; and it is characterized in that each sludge suction branch pipe is configured with a V-shaped scraper (601). The V-shaped scraper is rotatably installed at the lower part of the sludge suction branch pipe. The rear side of the V-shaped scraper (601) is hinged to the lower end of the scraper adjustment assembly (602). The opening direction of the V-shaped scraper is the same as the advancing direction of the sludge suction traveling crane; the sludge suction nozzle (4061) of the sludge suction branch pipe is arranged in the middle of the V-shaped scraper; a number of the scraper adjustment assemblies (602) are arranged on the lower side of the traveling crane beam (401); the scraper adjustment assembly (602) cooperates with the V-shaped scraper (601) and controls the V-shaped scraper (601) to swing back and forth within a certain angle.

2. The sludge suction traveling crane configured with a V-shaped scraper according to claim 1, characterized in that, The scraper adjustment assembly (602) includes: a fixed seat (6021), which is fixedly installed below the traveling crane beam (401) and located at the rear side of the corresponding sludge suction branch pipe (406); a horizontal transmission shaft (6024), which is rotatably installed in the fixed seat and is used to receive external power; a vertical transmission shaft (6025), which is rotatably installed in the fixed seat and is used to receive the power transmitted by the horizontal transmission shaft; a bevel gear assembly (6026), which is arranged between the horizontal transmission shaft and the vertical transmission shaft and is used to transmit power; a telescopic sleeve assembly (6050), which is arranged at the lower part of the vertical transmission shaft and is used to swing the V-shaped scraper (601); the telescopic sleeve assembly (6050) includes a nut component (6029) and a bolt component (6030); the upper side of the nut component (6029) is combined with the vertical transmission shaft (6025) and rotates synchronously; the lower side of the bolt component (6030) is installed with an extension rod (6023). The lower end of the extension rod is hinged to the rear side of the V-shaped scraper (601); the nut component (6029) and the bolt component (6030) are in threaded cooperation. When the nut component and the bolt component rotate relative to each other, the telescopic sleeve assembly (6050) elongates or shortens.

3. The sludge suction traveling crane configured with a V-shaped scraper according to claim 2, characterized in that, A number of the scraper adjustment assemblies (602) share one adjustment motor (603); the horizontal transmission shafts of adjacent two scraper adjustment assemblies are connected and driven through a coupling sleeve (604).

4. The sludge suction traveling crane configured with a V-shaped scraper according to claim 3, characterized in that, A support inclined rod (701) is arranged on the front side of the sludge suction branch pipe; one end of the support inclined rod is fixed on the sludge suction branch pipe (406), and the other end is fixed on the lower side of the traveling crane beam (401).

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