CN214861431U - Float type truss mud scraper - Google Patents

Abstract

The utility model belongs to a mud scraper, in particular to a float type truss car mud scraper. The sewage submersible pump is driven by a power device and can reciprocate along the tank body, the inlet of a sewage main pipe is communicated with the outlet of the sewage submersible pump, the inlet of the sewage submersible pump is connected with the outlet of a sludge suction pipe, and the inlet of the sludge suction pipe acts on sludge at the bottom of the tank; the submersible sewage pump, the sewage discharge main pipe, the winch and the sludge suction pipe are assembled on a support fixed with the buoy, the power device comprises the winch fixed on the support, one end of the steel wire rope is connected with a positioning rod fixed on the side wall of the tank body, and the other end of the steel wire rope is connected with a counterweight through the winch. The utility model provides a structure that prior art exists complicated, the cost is high, the operation is unstable and inconvenient removal scheduling problem. Effectively simplified the structure of mud scraper, had structure safe and reliable, the installation is swift convenient, and the cost is low and operation advantage such as stable.

Description

Float type truss mud scraper

Technical Field

The utility model belongs to a mud scraper, in particular to a float type truss car mud scraper.

Background

The treatment process of the urban sewage treatment plant is characterized in that a biochemical method is adopted, most pollutants are removed through degradation of microorganisms, the microorganisms are accompanied with a large amount of byproducts, namely sludge, in the sewage treatment process, a process unit for sludge precipitation of the sewage plant mainly comprises a primary sedimentation tank and a secondary sedimentation tank, the primary sedimentation tank mainly precipitates inorganic substances in sewage, the secondary sedimentation tank precipitates activated sludge generated by the biological method, and the normal operation of the process of the sewage plant is ensured through periodic discharge of a sludge scraping and sucking sewage discharge device.

At present, a horizontal flow sedimentation tank used in domestic water plants adopts a fixed truss vehicle type mud scraper which is a mud discharging device arranged on a rectangular horizontal flow sedimentation tank. The adopted structure mainly comprises a working bridge, a transmission device, a mud scraping plate, a sludge lifting device and the like, a fixed platform crossing over the sedimentation tank is arranged, sediment in sewage is precipitated at the bottom of the tank, the mud scraper scrapes and collects the precipitated sludge into a central sludge collecting pit, and the sludge is discharged by the sludge lifting device. The truss-girder type mud scraper is characterized in that a four-point supporting walking girder spans on a horizontal flow type sedimentation tank, steel rails which are driven bilaterally and laid along two sides of the tank run to the other end of the tank from one end of the tank, mud is sucked while walking, and the return walking and return mud sucking are realized through a stroke controller, so that one working cycle is completed.

But the domestic sewage plant truss type mud scraper has more problems in the operation process. Firstly, the machine is fixed, namely a truss car track is laid on the pool wall of a reinforced concrete structure with enough strength, the structure is complex, the manufacturing and installation period is long, the manufacturing cost is high, the mode is fixed, and the machine cannot move; secondly, the problems of deviation, bridge frame distortion, derailing and gnawing rails often occur in the walking process, so that the mud scraper cannot work normally, and the operation of a sewage plant is influenced; and thirdly, reconstruction and maintenance of the sludge scraper in the existing mode of the sedimentation tank of the sewage plant are difficult to realize operation and maintenance with water under the condition of not stopping water.

The references retrieved by the applicant include:

aiming at the problem that a mud scraper is easy to deviate, the related documents mention that the PLC is used for controlling a driving device to realize automatic deviation correction of a travelling wheel (Chua and truss type mud suction machine is applied and improved in Shaoxing sewage treatment plants and China water supply and drainage 2016). Application number 201821295643.3 discloses a high-efficient sediment removal device of hydraulic engineering in the patent document, has designed a float formula sediment removal device to desilting such as pond river course, regards the body as the workstation, and the mud device is taken out to the lower setting row mud, but it does not have the unable directional removal of guiding mechanism, can only hoist and mount through the hoisting machine and remove, can't satisfy the operation requirement of evenly stabilizing row mud in sewage plant sedimentation tank. The patent document with the application number of 201710515373.6 discloses a three-dimensional mud scraping and sucking machine, which aims at the problem that the sludge amount is large and the sludge is difficult to clean, and provides a mud scraping and sucking machine with the adjustable mud scraping and sucking position, but the problem of derailment and rail gnawing in the operation process of a truss car cannot be avoided; patent document No. 201520712275.8 discloses a truss car type automatic coupling suction dredge, which is characterized in that a coupling device is installed on the basis of an original truss car aiming at the problem that a truss car overhaul submersible sewage pump needs to stop water, the method simplifies maintenance, but the cost is increased by installing the coupling device on the problem of limitation of the truss car.

The applicant does not detect any document related to the present application in the domestic patent literature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mud scraper is scraped to buoy formula purlin car has effectively simplified the structure of mud scraper, and the installation is swift convenient, and the cost is low, can take water work and maintenance and operation to be stable.

The whole technical concept of the utility model is that:

the float type truss vehicle mud scraper comprises a submersible sewage pump which is driven by a power device and can reciprocate along a tank body, wherein the inlet of a main sewage discharge pipe is communicated with the outlet of the submersible sewage pump, the inlet of the submersible sewage pump is connected with the outlet of a mud suction pipe, and the inlet of the mud suction pipe acts on sludge at the bottom of the tank; the submersible sewage pump, the sewage discharge main pipe, the winch and the sludge suction pipe are assembled on a support fixed with the buoy, the power device comprises the winch fixed on the support, one end of the steel wire rope is connected with a positioning rod fixed on the side wall of the tank body, and the other end of the steel wire rope is connected with a counterweight through the winch.

The specific technical concept of the utility model includes:

the support of the float bowl is provided with a walkway plate.

The buoys are assembled into a whole by adjacent buoy units through quick-connecting components or connecting components. The fast union piece or connecting elements can adopt current card dress spare, locking part, riveting piece, cartridge mounting etc. all do not break away from the technical essence of the utility model.

In order to effectively remove the sludge at the bottom of the tank body, the preferable technical implementation means is that the sludge suction pipe comprises a vertical sludge suction pipe and a horizontal sludge suction pipe communicated with the vertical sludge suction pipe, and sludge suction holes are uniformly distributed in the horizontal sludge suction pipe.

In order to realize the deviation of the floating pontoon during running, the preferred technical implementation means is that the floating pontoon deviation control device further comprises a guide device, the guide device comprises running wheels which are assembled at two sides of the floating pontoon adjacent to the inner wall of the tank body, and the running wheels are elastically and abuttingly matched with the inner wall of the tank body.

The elastic jacking fit of the walking wheels and the inner wall of the pool body can be realized by adopting the following mode that the walking wheels are arranged on a wheel frame, and the wheel frame is elastically jacked and matched with the bracket through a return spring and a sleeve. The applicant is not further described herein as it pertains to the mature art.

The working principle of the utility model is as follows:

the positioning rods are respectively fixed on two sides of the tank body and embedded into the tank body. One end of the steel wire rope is fixed on the positioning rod, and then the steel wire rope bypasses a winch fixed on the bracket and is connected with the counterweight. After the assembly of the float type truss car mud scraper is finished, the float type truss car mud scraper is dragged by a winch to realize the back-and-forth movement on the water surface.

The deviation rectification of the float type truss car mud scraper is realized through walking wheels: the walking wheels comprise telescopic springs and guide wheels, the telescopic springs are installed on a float barrel fixing support of the float barrel type truss vehicle mud scraper, wheel carriers of the guide wheels are connected with the support through reset springs, the four guide wheels are respectively in close tangency with the inner wall of the tank body, when the support deflects, the guide wheels are unbalanced in stress, reverse thrust is formed through the reset springs, and correction is completed.

The length of the device can be assembled according to the sizes of a river channel, a pool, a reaction tank and the like. The basic single body comprises a floating barrel, a bracket, a submersible sewage pump, a sludge suction pipe, a sewage discharge pipe and a walkway plate. The two ends of the horizontal mud suction pipe are flange connectors, and the floating barrel support is spliced by the single U-shaped clamps. And after the single bodies are spliced according to the required length, the traction device, the steel wire rope, the positioning rod, the counterweight and the walking wheel are installed in a matched manner. During maintenance, people can directly work on the walkway plate, and the submersible sewage pump is lifted for equipment maintenance and maintenance, so that the operation is convenient and fast. The applicant needs to state that:

in the description of the present invention, the terms "upper", "longitudinal", "lower", "outer surface", "outside", "top", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of simplifying the description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

The technical progress of the utility model lies in:

1. the utility model discloses a mud scraper is scraped to pontoon formula purlin car, the flotation pontoon float in the surface of water and fix on the flotation pontoon support, replaces fixed guide rail through steel wire, draw gear and guider, simplifies mounting structure, reduces investment cost and installation cycle.

2. This device installation length can be adjusted according to the river course, the size of sedimentation tank etc. and every monomer module has the nimble characteristics of assembling, the utility model discloses use U type card connected mode at monomer module's flotation pontoon fixed bolster, horizontal suction pipe both ends design connected mode is flange joint, can realize assembling fast between two adjacent monomer modules. Meanwhile, the submersible sewage pump is arranged on the floating island fixing support, and the inlet is connected with the sludge suction pipe in a flange mode, so that the submersible sewage pump has the advantages of wide treatment capacity range, quickness in installation and simplicity and convenience in maintenance.

3. The utility model relates to a flotation pontoon guiding mechanism will four walk the line wheel and closely tangent with the pool wall through the spring, when the crane span structure appears deflecting, it is uneven to walk the line wheel atress, forms reverse thrust through compression spring, accomplishes the bridge frame and rectifies a deviation, has solved the derailment of traditional truss scraper and has gnaw the rail, walk inclined to one side the scheduling problem, has the advantage that the operation is stable.

4. The utility model discloses to the suction dredge setting to "T" type, evenly set up a plurality of suction dredge mouths, can guarantee to carry out even suction to bottom of the pool mud at the mud in-process of taking out, it is little to have solved traditional suction dredge area, and the cell body bottom forms the suction blind area cell body and causes the unable exhaust problem of sludge accumulation.

Drawings

The attached drawings of the utility model are as follows:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of fig. 1.

FIG. 3 is a schematic view of the combination of a pontoon with traveling wheels and the inner wall of a tank body.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

The reference numbers in the drawings are as follows:

1. a tank body; 2. a main sewer; 3. a walkway plate; 4. a winch; 5. a float bowl; 6. a submersible sewage pump; 7. A support; 8. a mud suction pipe; 9. a counterweight; 10. positioning a rod; 11. a wire rope; 12. a running wheel; 13. A return spring.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings, but the present invention is not limited thereto. The protection scope of the present invention is subject to the content described in the claims, and any replacement by equivalent technical means made according to the specification does not depart from the protection scope of the present invention.

Examples

The integral structure of the embodiment is shown in the figure, the float type truss car mud scraper comprises a submersible sewage pump 6 which is driven by a power device and can reciprocate along a pool body 1, the inlet of a sewage main pipe 2 is communicated with the outlet of the submersible sewage pump 6, the inlet of the submersible sewage pump 6 is connected with the outlet of a mud suction pipe 8, and the inlet of the mud suction pipe 8 acts on sludge at the bottom of the pool; the submersible sewage pump 6, the sewage main pipe 2, the winch 4 and the sludge suction pipe 8 are assembled on a support 7 fixed with the buoy 5, the power device comprises the winch 4 fixed on the support 7, one end of a steel wire rope 11 is connected with a positioning rod 10 fixed on the side wall of the tank body 1, and the other end of the steel wire rope 11 is connected with a counterweight 9 through the winch 4.

And a walkway plate 3 is fixed on a bracket 7 of the buoy 5.

The buoys 5 are assembled into a whole by adjacent buoy units through U-shaped clamps.

The mud suction pipe 8 comprises a vertical mud suction pipe and a transverse mud suction pipe communicated with the vertical mud suction pipe, and mud suction holes are uniformly distributed in the transverse mud suction pipe.

The device also comprises a guiding device, the guiding device comprises walking wheels 12 which are assembled at two sides of the buoy 5 adjacent to the inner wall of the tank body 1, and the walking wheels 12 are elastically and jacking matched with the inner wall of the tank body 1. The walking wheels 12 are arranged on a wheel carrier, and the wheel carrier is elastically pressed and matched with the bracket 7 through a return spring 13 and a sleeve.

The remainder being as described above.

Claims (6)

1. The float type truss car mud scraper comprises a submersible sewage pump (6) which is driven by a power device and can reciprocate along a pool body (1), wherein the inlet of a sewage main pipe (2) is communicated with the outlet of the submersible sewage pump (6), the inlet of the submersible sewage pump (6) is connected with the outlet of a mud suction pipe (8), and the inlet of the mud suction pipe (8) acts on sludge at the bottom of the pool; the sewage submersible pump is characterized in that the sewage submersible pump (6), the sewage discharging main pipe (2), the winch (4) and the sludge suction pipe (8) are assembled on a support (7) fixed with the buoy (5), the power device comprises the winch (4) fixed on the support (7), one end of the steel wire rope (11) is connected with a positioning rod (10) fixed on the side wall of the tank body (1), and the other end of the steel wire rope (11) is connected with a counterweight (9) through the winch (4).

2. The buoy type truss car mud scraper as claimed in claim 1, wherein the bracket (7) of the buoy (5) is provided with a walkway plate (3).

3. The pontoon type truss car dredge scraper of claim 1, wherein the pontoons (5) are assembled as a unit from adjacent pontoon units by quick-coupling members or coupling members.

4. The buoy type truss car mud scraper as claimed in claim 1, wherein the mud suction pipe (8) comprises a vertical mud suction pipe and a horizontal mud suction pipe communicated with the vertical mud suction pipe, and mud suction holes are uniformly distributed on the horizontal mud suction pipe.

5. The float-type truss vehicle mud scraper as claimed in claim 1, further comprising a guiding device, wherein the guiding device comprises running wheels (12) mounted on both sides of the float (5) adjacent to the inner wall of the tank body (1), and the running wheels (12) are elastically and pressingly engaged with the inner wall of the tank body (1).

6. The buoy type truss car mud scraper as claimed in claim 5, wherein the traveling wheels (12) are arranged on a wheel carrier, and the wheel carrier is elastically and pressingly matched with the bracket (7) through a return spring (13) and a sleeve.

Images