Walking type mud scraping equipment for sewage treatment tank

Abstract

The utility model discloses walking type sludge scraping equipment for a sewage treatment tank. The walking type sludge scraping equipment comprises an equipment bracket, a walking component and a sludge scraping component, wherein the walking component and the sludge scraping component are arranged on the bracket; the walking assembly comprises a rotating shaft clamped below the equipment support, walking wheels arranged at the two ends of the rotating shaft in a sleeving mode and a driving motor providing power for the rotating shaft. The mud scraping assembly comprises a connecting frame connected with the equipment support, an adjusting vertical plate arranged at the bottom end of the connecting frame, a mud scraping plate clamped to the adjusting vertical plate and a hydraulic adjusting rod arranged between the adjusting vertical plate and the mud scraping plate. The self-propelled sludge scraping device is reasonable in structural design, and the walking assembly is used for driving the equipment bracket and the top end of the sludge scraping assembly to move, so that the self-propelled sludge scraping device can scrape sludge at the bottom of a sewage treatment tank in a reciprocating circulating manner; meanwhile, the mud scraping depth of the mud scraping plate can be adjusted through the hydraulic adjusting rod, the using effect of the mud scraping device is improved, and the mud scraping device has wide application prospects.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment equipment technical field, concretely relates to a walking type mud scraping equipment for sewage treatment tank. BACKGROUND

[0002] The sewage treatment tank is a facility for treating sewage, usually including different types of tanks such as sedimentation tank, adjusting tank, biochemical tank, secondary sedimentation tank and disinfection tank, each tank has its specific function, the sedimentation tank is a structure for removing suspended solids in water by sedimentation, which is widely used in sewage treatment. Its type is various, which can be divided into three types of horizontal flow type, vertical flow type and radial flow type according to the water flow direction in the tank, which is composed of inlet and outlet, water flow part and sludge hopper, the sludge hopper is used to accumulate the sludge deposited, which is usually set below the tank bottom in the front part of the tank, the bottom of the hopper has a sludge discharge pipe, and the sludge is discharged regularly. In order to prevent the deposited sludge from increasing the difficulty of subsequent sewage treatment, a mud scraper is generally used to collect the sludge at the bottom of the tank to the sludge discharge pipe.

[0003] At present, the mud scraping device suitable for sewage treatment plant, water plant horizontal flow sedimentation tank, etc. mainly includes center transmission mud scraper, peripheral transmission mud scraper, traveling crane walking type mud scraper, etc. Among them, the traveling crane type mud scraper is suitable for horizontal flow type sedimentation tank in sewage treatment engineering, which scrapes the sludge settled at the bottom of the tank to the sludge collecting tank, and skims the dregs on the tank surface to the dregs collecting tank. The dregs scraper can be set according to the user's requirements during use, and the existing traveling crane walking type mud scraper mainly scrapes the mud in the tank bottom through the reciprocating movement of the mud scraping mechanism. Since the distance between the mud scraping mechanism and the tank bottom remains constant, when the mud scraping mechanism is converted from the forward stroke to the return stroke, part of the scraped mud is often brought into the water by the mud scraping mechanism during the return stroke, which greatly reduces the mud scraping efficiency of the mud scraper and affects the treatment effect of the sewage in the tank. CONTENT OF THE UTILITY MODEL

[0004] In view of the above technical problems, the utility model provides a walking type mud scraping equipment for sewage treatment tank.

[0005] The technical scheme of the utility model is as follows: a walking type mud scraping equipment for sewage treatment tank, which comprises an equipment support, a walking assembly and a mud scraping assembly arranged on the support.

[0006] The walking assembly comprises a rotating shaft rotatably connected to the lower side of the equipment support through a support, walking wheels sleeved on both ends of the rotating shaft and located on the inner side of the support, and a driving motor arranged at the top end of the equipment support and providing power for the rotating shaft; the rotating shaft is provided with two connecting sprockets sleeved on the ends thereof; the driving motor is provided with output shafts at both ends, and driving sprockets are sleeved on the output shafts; the two driving sprockets are connected by a chain transmission between the two connecting sprockets at the corresponding positions.

[0007] The mud scraping assembly comprises a connecting frame connected with the equipment support and sleeved outside the rotating shaft, an adjusting vertical plate arranged at the bottom end of the connecting frame, a mud scraping plate slidingly connected on the outer side wall of the adjusting vertical plate, and a hydraulic adjusting rod arranged on the adjusting vertical plate and connected with the top end of the mud scraping plate.

[0008] Further, an adjusting horizontal groove is arranged through the equipment support, the connecting frame is slidingly connected on the adjusting horizontal groove, and an adjusting screw rod is rotationally connected on the equipment support and threadedly connected with the connecting frame.

[0009] Description: the connecting frame is driven to slide in the adjusting horizontal groove by the adjusting screw rod, so that the position of the mud scraping assembly on the equipment support is adjusted, thereby facilitating the cleaning of the sludge at each position in the sewage treatment tank.

[0010] Further, a plurality of walking wheels are arranged, and each walking wheel is equidistantly distributed on the rotating shaft.

[0011] Description: the plurality of walking wheels are arranged, so that the utility model can be applied to sewage treatment tanks of different sizes, and the application range of the utility model is improved.

[0012] Further, a plurality of mud scraping teeth are arranged at the bottom end of the mud scraping plate.

[0013] Description: the plurality of mud scraping teeth are arranged at the bottom end of the mud scraping plate, so that the hard deposits at the bottom of the sewage treatment tank can be scraped, and the effect of the mud scraping plate is improved.

[0014] Further, a limiting sleeve is arranged at the bottom end of the connecting frame, a rotating chuck is rotationally connected with the limiting sleeve at the top end of the adjusting vertical plate, and a first bevel gear is arranged on the upper end surface of the rotating chuck; an operating rod is rotationally connected on the limiting sleeve, and a second bevel gear is arranged on the operating rod and engaged with the first bevel gear.

[0015] Description: the rotating chuck drives the adjusting vertical plate to rotate in the limiting sleeve at the bottom end of the connecting frame by rotating the operating rod and utilizing the meshing effect of the first bevel gear and the second bevel gear, so that the scraping angle of the mud scraping plate is adjusted.

[0016] Further, a retaining seat is arranged on the upper end surface of the equipment support and sleeved outside the output shaft.

[0017] Description: the retaining seat is arranged, so as to improve the stability of the output shaft during rotation.

[0018] The working principle of the utility model is as follows:

[0019] In use, the equipment support is placed at the top opening of the sewage treatment tank, the hydraulic adjusting rod is used to push the mud scraping plate to slide downwards along the adjusting vertical plate until the mud scraping plate is removed from the bottom of the sewage treatment tank, then the output shaft is rotated by the driving motor, the driving sprocket and the connecting sprocket are connected to make the rotating shaft rotate the walking wheel, at this time, the equipment support drives the mud scraping assembly to move at the top of the sewage treatment tank, the mud scraping plate is used to scrape the sludge at the bottom of the sewage treatment tank to the sludge discharge pipe position at the bottom of the sewage treatment tank, meanwhile, the connecting frame is driven by the adjusting screw to slide in the adjusting horizontal groove, the position of the mud scraping assembly on the equipment support is adjusted, and the sludge at each position of the bottom of the sewage treatment tank is scraped.

[0020] Compared with the prior art, the beneficial effects of the utility model are embodied in the following points:

[0021] Firstly, the utility model has reasonable structure design, the walking assembly is used to drive the equipment support and the top end of the mud scraping assembly to move, so that the utility model can scrape the sludge at the bottom of the sewage treatment tank in a reciprocating cycle through the self-walking mode, meanwhile, the mud scraping plate of the utility model can adjust the mud scraping depth through the hydraulic adjusting rod, and the use effect of the utility model is improved.

[0022] Secondly, the mud scraping assembly is slidably connected to the equipment support, the adjusting screw is used to adjust the position of the mud scraping assembly on the equipment support, so that the utility model can clean and scrape the sludge at each position of the bottom of the sewage treatment tank, and the working efficiency of the utility model is improved.

[0023] Thirdly, the mud scraping plate is rotatably connected to the bottom of the connecting frame, the working angle of the mud scraping plate is adjusted through the gear meshing, so that the mud scraping plate can scrape the sludge at the bottom of the sewage treatment tank at different angles, the sludge cleaning difficulty is reduced, and the working load of the driving motor is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is the longitudinal sectional view of the utility model;

[0025] Figure 2 is the front view of the utility model;

[0026] Figure 3 is the left view of the utility model;

[0027] Figure 4 is the connection schematic view of the rotating chuck and the limiting sleeve of the utility model;

[0028] Among them, 1-equipment bracket, 10-adjusting cross groove, 2-walking assembly, 20-rotating shaft, 200-support, 201-connecting sprocket, 21-walking wheel, 22-drive motor, 220-output shaft, 221-drive sprocket, 222-holding seat, 23-chain, 3-scraper assembly, 30-connecting frame, 31-adjusting vertical plate, 32-scraper blade, 320-scraper tooth row, 33-hydraulic adjusting rod, 34-adjusting screw, 35-limit sleeve, 36-rotary chuck, 360-first bevel gear, 37-operating lever, 370-second bevel gear. Detailed Implementation

[0029] Example 1

[0030] like Figure 1 The illustrated mobile sludge scraper for a wastewater treatment tank includes a support frame 1, a mobile component 2 and a sludge scraping component 3 mounted on the support frame 1.

[0031] like Figure 1 , 3 As shown, the walking assembly 2 includes a rotating shaft 20 rotatably engaged with the equipment bracket 1 via a support 200, walking wheels 21 sleeved at both ends of the rotating shaft 20 and located inside the support 200, and a drive motor 22 located at the top of the equipment bracket 1 and providing power to the rotating shaft 20; there are two rotating shafts 20, each with a connecting sprocket 201 sleeved at its end; each end of the drive motor 22 has an output shaft 220, and each output shaft 220 has a drive sprocket 221 sleeved on it, and the two drive sprockets 221 are respectively connected to the two connecting sprockets 201 at corresponding positions via a chain 23; a retaining seat 222 sleeved on the upper surface of the equipment bracket 1 is provided outside the output shaft 22;

[0032] like Figure 1 , 2 As shown, the sludge scraping assembly 3 includes a connecting frame 30 connected to the equipment support 1 and sleeved outside the rotating shaft 20, an adjusting plate 31 disposed at the bottom of the connecting frame 30, a sludge scraping plate 32 slidably engaged with the outer wall of the adjusting plate 31, and a hydraulic adjusting rod 33 disposed on the adjusting plate 31 and connected to the top of the sludge scraping plate 32.

[0033] Example 2

[0034] The difference between this embodiment and Embodiment 1 is that:

[0035] like Figure 1 As shown, an adjustment slot 10 is provided through the equipment bracket 1, the connecting frame 30 is slidably engaged with the adjustment slot 10, and an adjustment screw 34 is rotatably engaged with the connecting frame 30.

[0036] Example 3

[0037] The difference between the embodiment and the embodiment 2 is that:

[0038] As shown in the figure, the walking wheels 21 are provided with 6, each walking wheel 21 is equidistantly distributed on the rotating shaft 20. Figure 1

[0039] Embodiment 4

[0040] The difference between the embodiment and the embodiment 3 is that:

[0041] As shown in the figure, the mud scraping plate 32 is provided with a row of mud scraping teeth 320 at the bottom end. Figure 2

[0042] Embodiment 5

[0043] The difference between the embodiment and the embodiment 4 is that:

[0044] As shown in the figure, Figure 1 , 4 The connecting frame 30 is provided with a limiting sleeve 35 at the bottom end, the adjusting vertical plate 31 is provided with a rotating chuck 36 rotatably connected with the limiting sleeve 35 at the top end, and the upper end surface of the rotating chuck 36 is provided with a first bevel gear 360; the limiting sleeve 35 is rotatably connected with an operating rod 37, and the operating rod 37 is provided with a second bevel gear 370 meshingly connected with the first bevel gear 360;

[0045] It should be noted that the driving motor 22 and the hydraulic adjusting rod 33 used in the utility model are all existing technologies, which are not specially limited here, and the corresponding products can be selected according to actual needs.​​

Claims

1. A mobile sludge scraper for a wastewater treatment pond, characterized in that, It includes an equipment bracket (1), a walking assembly (2) mounted on the equipment bracket (1), and a mud scraping assembly (3); The walking assembly (2) includes a rotating shaft (20) rotatably connected to the equipment bracket (1) via a support (200), walking wheels (21) sleeved at both ends of the rotating shaft (20) and located inside the support (200), and a drive motor (22) located at the top of the equipment bracket (1) and providing power to the rotating shaft (20); both ends of the drive motor (22) are provided with output shafts (220); The sludge scraping assembly (3) includes a connecting frame (30) connected to the equipment bracket (1) and sleeved outside the rotating shaft (20), an adjusting plate (31) disposed at the bottom end of the connecting frame (30), a sludge scraping plate (32) slidably snapped onto the outer wall of the adjusting plate (31), and a hydraulic adjusting rod (33) disposed on the adjusting plate (31) and connected to the top end of the sludge scraping plate (32); An adjustment slot (10) is provided through the equipment bracket (1), the connecting frame (30) is slidably engaged in the adjustment slot (10), and an adjustment screw (34) is rotatably engaged in the equipment bracket (1) and threadedly connected to the connecting frame (30).

2. The mobile sludge scraper for a wastewater treatment tank according to claim 1, characterized in that, The walking wheels (21) are provided in several units, and each walking wheel (21) is equidistantly distributed on the rotating shaft (20).

3. The mobile sludge scraper for a wastewater treatment pond according to claim 1, characterized in that, The bottom end of the scraper blade (32) is provided with a scraper tooth row (320).

4. The mobile sludge scraper for a wastewater treatment tank according to claim 1, characterized in that, The bottom end of the connecting frame (30) is provided with a limiting sleeve (35), and the top end of the adjusting plate (31) is provided with a rotating chuck (36) that is rotatably engaged with the limiting sleeve (35). The upper end face of the rotating chuck (36) is provided with a first bevel gear (360). The limiting sleeve (35) is rotatably engaged with an operating rod (37), and the operating rod (37) is provided with a second bevel gear (370) that meshes with the first bevel gear (360).

5. A mobile sludge scraper for a wastewater treatment pond according to claim 1, characterized in that, The upper end face of the equipment bracket (1) is provided with a retaining seat (222) sleeved on the outside of the output shaft (220).

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