CN219973056U - Negative pressure box of pavement cleaning and dirt sucking equipment - Google Patents

Abstract

The utility model discloses a negative pressure box of pavement cleaning and sewage sucking equipment, which comprises a shell, wherein a recovery joint and an exhaust joint are connected to the shell, the middle part of one side wall of the shell is inwards sunken to form a concave part, a U-shaped cavity is formed between the middle part of one side wall of the shell and the other three side walls, the U-shaped cavity is formed by sequentially connecting a sewage inlet chamber, a sewage draining chamber and an exhaust chamber, the sewage inlet chamber and the exhaust chamber are respectively positioned at two sides of the concave part, the recovery joint is connected to the top end of the sewage inlet chamber, the exhaust joint is connected to the top end of the exhaust chamber, and a sewage discharge port is arranged in the middle of the bottom end of the sewage draining chamber. The utility model not only increases the distance between the recovery joint and the exhaust joint, but also improves the straight line channel between the recovery joint and the exhaust joint into a U-shaped channel, thereby effectively avoiding the situation that dirt is sucked into the negative pressure fan, ensuring the normal operation of the equipment and prolonging the service life of the equipment.

Description

Negative pressure box of pavement cleaning and dirt sucking equipment

Technical Field

The utility model belongs to the technical field of road marking cleaning and dirt sucking equipment, and particularly relates to a negative pressure box of road surface cleaning and dirt sucking equipment.

Background

The road marking is influenced by uncontrollable factors such as weather, man-made and the like for a long time, the condition of unclear blurring can occur, and the original marking needs to be cleared before re-marking. In order to improve the efficiency of cleaning the marking and reduce environmental pollution in the prior art, a high-pressure water jet cleaning method is adopted, the cleaning machine utilizes a pressurizing system to enable water to be ejected from a nozzle, the water jet has extremely strong impact force and cutting force, the water jet can directly penetrate into asphalt pores to clean the marking paint, the cleaning machine is provided with negative pressure dirt absorbing equipment, marking scraps and sewage can be absorbed into a negative pressure box to be recycled, and environmental pollution is reduced.

The utility model patent (the issued publication number is CN 212865724U) applied by the inventor and obtained by the inventor discloses a cargo box assembly of a road marking cleaning device, which can provide high-pressure water and hydraulic power for the road marking cleaning device and provide negative pressure for a discharging mechanism by utilizing a Roots blower, and the discharging mechanism can recycle waste water and waste residues after the road marking cleaning device is cleaned into a filter bag at the bottom of the discharging mechanism through a pipeline. The discharging mechanism is a negative pressure box, is arranged between a negative pressure fan and a cleaning mechanism and is used for collecting waste water and waste residues, and the specific structure of the discharging mechanism is shown as the attached drawing 1 of the patent specification, and comprises a shell 1, wherein a recovery joint 2 connected with the cleaning mechanism and an exhaust joint 3 connected with the negative pressure fan are connected to the shell 1, and the recovery joint 2 and the exhaust joint 3 are both communicated with the inside of the shell. The negative pressure box adopting the structure has certain functional defects in the use process, and when the negative pressure fan pumps air to the inside of the shell through the exhaust connector, dirt entering the inside of the shell through the recovery connector can enter the exhaust connector along with air, and is sucked back into the negative pressure fan, so that the normal work of the negative pressure fan is influenced. Therefore, the existing negative pressure box structure needs to be improved, the situation that waste residues and waste water generated by road surface cleaning or marking line cleaning are sucked into a negative pressure fan reversely is avoided, normal operation of equipment is ensured, and the service life of the equipment is prolonged.

Disclosure of Invention

Aiming at the defects in the background technology, the utility model provides the negative pressure box of the pavement cleaning and dirt absorbing equipment, which can avoid the situation that waste residues and waste water generated by pavement cleaning or marking line cleaning are reversely sucked into a negative pressure fan when being recycled, ensure the normal operation of the equipment and prolong the service life of the equipment.

In order to achieve the above purpose, the technical solution of the present utility model is as follows:

the utility model provides a road surface washs dirt absorbing equipment negative pressure case, includes the casing, is connected with the recovery joint that is used for adsorbing the filth and is used for the exhaust joint, its characterized in that on the casing: the utility model discloses a sewage disposal device, including casing, drain room, recovery joint, drain room, U type cavity, drain room and exhaust room are formed to inwards sunken formation depressed part in a lateral wall middle part of casing to constitute the U type cavity with other three lateral walls, the U type cavity is by advancing dirty room, drain room and exhaust room and connecting gradually and constituteing, advance dirty room and exhaust room to be located the both sides of depressed part respectively, recovery joint connects in the top of advancing dirty room, exhaust joint connects in the top of exhaust room, the bottom middle part of drain room is equipped with the filth discharge port.

Preferably, a first partition plate is vertically arranged between the sewage inlet chamber and the sewage draining chamber, and a sewage inlet channel is arranged between the lower part of the first partition plate and the bottom wall of the shell.

Preferably, the bottom of the first partition board is connected with a deflector which is obliquely arranged, the deflector is positioned above the sewage inlet channel, the height of one side of the deflector, which is close to the sewage draining chamber, is lower than that of the other side, and the lower part of the side wall of the shell, which is opposite to the first partition board, of the sewage inlet chamber is in an oblique shape parallel to the deflector.

Preferably, an access hole is formed in the middle of the side wall of the middle of the shell, which is recessed inwards, and an access cover plate is installed on the access hole.

Preferably, a second partition plate in an L shape is arranged between the exhaust chamber and the sewage disposal chamber, the exhaust chamber is positioned on the upper portion of the second partition plate, an exhaust port is formed in the second partition plate, and an oil mist filter screen is movably mounted on the exhaust port.

Preferably, the oil mist filter screen is in sliding connection with the inserting groove arranged at the lower end of the second partition board, and the shape and the size of the oil mist filter screen are matched with those of the exhaust port.

Preferably, the second baffle is equipped with the separation blade that is used for fixed oil mist filter screen in the notch department of jack groove, separation blade one end and oil mist filter screen butt, be connected with locking screw between the other end and the second baffle.

Preferably, the bottom wall of the shell comprises two inclined and symmetrically arranged bottom plates, the sewage discharge opening is arranged between the two bottom plates, and the height of each bottom plate close to one side of the sewage discharge opening is lower than that of the other side.

Preferably, the shell is provided with two mounting holes for connecting the liquid level meter, and the two mounting holes are respectively communicated with the sewage draining chamber and the exhaust chamber.

Preferably, one side of the shell is connected with a pressure gauge and a liquid level sensor, and the pressure gauge and the liquid level sensor are communicated with the sewage disposal chamber.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The side wall at one side of the shell is inwards recessed to form a U-shaped cavity in the shell, and the dirt inlet chamber connected with the recovery joint and the exhaust chamber connected with the exhaust joint are respectively positioned at two sides of the recessed part, so that the distance between the dirt inlet chamber and the exhaust chamber is increased, a straight line channel between the dirt inlet chamber and the exhaust chamber is improved to be a U-shaped channel, the condition that dirt is sucked into the negative pressure fan backwards can be effectively avoided, normal operation of equipment is ensured, and the service life of the equipment is prolonged;

(2) The second partition plate is arranged between the sewage draining chamber and the exhaust chamber, and the oil mist filter screen is arranged at the exhaust port, so that part of water mist or oil mist mixed in the air can be effectively intercepted, and the oil mist filter screen can be freely disassembled and assembled, thereby being convenient for later protection and maintenance.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings.

FIG. 1 is a schematic diagram of a negative pressure tank in the prior art;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic view showing a bottom perspective structure of the present utility model;

FIG. 4 is a schematic view of the internal structure of the housing of the present utility model;

FIG. 5 is a schematic view of a second separator according to the present utility model;

FIG. 6 is a schematic top view of the present utility model;

FIG. 7 is a schematic view of the cross-sectional structure of the A-A of FIG. 6 in accordance with the present utility model;

FIG. 8 is a schematic view of the B-B cross-sectional structure of FIG. 6 according to the present utility model;

FIG. 9 is a schematic view of the usage status structure of the present utility model;

in the figure: 1. the device comprises a shell, 101, a bottom plate, 2, a recovery joint, 3, an exhaust joint, 4, a concave part, 5, a U-shaped cavity, 501, a pollution inlet chamber, 502, a pollution discharge chamber, 503, an exhaust chamber, 6, a pollution discharge port, 7, a first partition plate, 8, a guide plate, 9, an overhaul cover plate, 10, a second partition plate, 11, an oil mist filter screen, 12, an inserting groove, 13, a baffle plate, 14, a locking screw, 15, a mounting hole, 16, a pressure gauge, 17 and an exhaust port.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "middle," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected or detachably connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 2, fig. 3 and fig. 9, a negative pressure tank of a pavement cleaning and dirt sucking device comprises a shell 1, a recovery joint 2 for adsorbing dirt and an exhaust joint 3 for exhausting are connected to the shell, the middle of one side wall of the shell is inwards sunken to form a concave part 4, a U-shaped cavity 5 is formed between the concave part and the other three side walls, the U-shaped cavity is formed by sequentially connecting a dirt inlet chamber 501, a dirt discharging chamber 502 and an exhaust chamber 503, the dirt inlet chamber and the exhaust chamber are respectively positioned at two sides of the concave part, the recovery joint is connected to the top end of the dirt inlet chamber, the exhaust joint is connected to the top end of the exhaust chamber, a dirt discharge port 6 is arranged at the middle of the bottom end of the dirt discharging chamber, the distance between the recovery joint and the exhaust joint is increased, a non-linear channel is formed between the recovery joint and the exhaust joint, the exhaust joint is connected with an external negative pressure fan, under the action of the negative pressure fan, waste residues, waste water and waste water generated by a cleaning mechanism are sucked into the negative pressure tank by the recovery joint, and the waste water is discharged by the dirt discharge port under the action of gravity effect of the negative pressure fan, so that the subsequent separation treatment is facilitated. The middle part of the side wall of the inwards concave part of the shell is provided with an access hole, and an access cover plate 9 is arranged on the access hole, so that the maintenance and the replacement of the oil mist filter screen and other parts are facilitated. The diapire of casing includes two slopes and the bottom plate 101 that the symmetry set up, and the filth discharge port is located between two bottom plates, and the height that every bottom plate is close to filth discharge port one side is less than the height of opposite side, avoids the condition at the indoor dead angle that exists of blowdown.

As shown in fig. 4, a first partition 7 is vertically arranged between the sewage inlet chamber and the sewage draining chamber, a sewage inlet channel is arranged between the lower part of the first partition and the bottom wall of the shell, the distance between the water inlet joint and the exhaust joint and the channel length of sewage are further prolonged, the sewage entering the shell is prevented from directly entering the exhaust chamber through the sewage draining chamber, the bottom end of the first partition is connected with a deflector 8 which is obliquely arranged, the deflector is positioned above the sewage inlet channel, the height of the deflector close to one side of the sewage draining chamber is lower than that of the other side, and the lower part of the side wall of the shell opposite to the first partition is oblique parallel to the deflector, so that the sewage can smoothly flow into the sewage draining chamber from the sewage inlet chamber.

As shown in fig. 4 and 5, a second partition board 10 in an L shape is arranged between the exhaust chamber and the blowdown chamber, the second partition board separates the exhaust chamber from the blowdown chamber, the exhaust chamber is positioned at the upper part of the second partition board, namely the upper part of the U-shaped cavity, dirt is positioned in the blowdown chamber under the action of gravity and is prevented from entering the exhaust chamber, an exhaust port 17 is formed in the second partition board, an oil mist filter screen 11 is movably mounted on the exhaust port, part of water mist or oil mist flows from the blowdown chamber to the exhaust chamber along with the exhaust gas under the action of an external negative pressure fan, and when meeting the screen of the oil mist filter screen, the water mist or oil mist can be attached to the surface of the exhaust chamber, gradually gathers into water drops or oil drops along with the increase of the amount of the water mist filter screen, and drops into the blowdown chamber under the action of gravity. In order to be convenient for dismouting and the periodic replacement of oil mist filter screen, oil mist filter screen and establish the spliced groove 12 sliding connection at the second baffle lower extreme, the shape size of oil mist filter screen and the shape size phase-match of gas vent, the second baffle is equipped with the separation blade 13 that is used for fixed oil mist filter screen in the notch department of spliced groove, separation blade one end and oil mist filter screen butt, is connected with locking screw 14 between the other end and the second baffle, is convenient for effectively fix the oil mist filter screen.

As shown in fig. 3 and 8, the shell is provided with two mounting holes 15 for connecting the liquid level meter, the two mounting holes are respectively communicated with the pollution discharge chamber and the exhaust chamber, and when in actual use, the magnetic flap liquid level meter can be connected between the two mounting holes, so that the equipment failure is avoided, the blockage and backlog of dirt in the shell are caused, and the dirt enters the exhaust chamber to influence the normal operation and the service life of the negative pressure fan. One side of the shell is connected with a pressure gauge 16 and a liquid level sensor 17, and the pressure gauge and the liquid level sensor are communicated with the sewage disposal chamber, so that the pressure and the liquid level inside the shell can be conveniently detected.

The working principle of the utility model is as follows:

as shown in fig. 9, the utility model is installed on a frame of pavement cleaning and sewage sucking equipment when in use, the exhaust connector 3 is connected with an external negative pressure fan, the recovery connector 2 is connected with a cleaning mechanism, when the negative pressure fan works, air in the shell 1 is discharged, waste water, waste residue and waste gas generated in the cleaning process are adsorbed, the waste water, waste residue and waste gas enter the sewage inlet chamber 501 of the shell 1 from the recovery connector 2, flow into the sewage discharging chamber 502 from the sewage inlet channel, under the action of gravity, waste residue and waste water flow out from the sewage discharging port 6 to be subjected to uniform separation treatment, part of water mist or oil mist with lighter mass is doped in the waste gas, then flows to the exhaust chamber 503, and is adhered to the surface of the waste water mist or the oil mist when meeting the blocking of the oil mist filter screen 11, gradually gathers into water drops or oil drops along with the increasing of the quantity, and drops into the sewage discharging chamber 502 under the action of gravity, thereby effectively avoiding the condition of reversely sucking the negative pressure fan, ensuring the normal operation of the equipment and prolonging the service life of the equipment. While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (10)

1. The utility model provides a road surface washs dirt absorbing equipment negative pressure case, includes the casing, is connected with the recovery joint that is used for adsorbing the filth and is used for the exhaust joint, its characterized in that on the casing: the utility model discloses a sewage disposal device, including casing, drain room, recovery joint, drain room, U type cavity, drain room and exhaust room are formed to inwards sunken formation depressed part in a lateral wall middle part of casing to constitute the U type cavity with other three lateral walls, the U type cavity is by advancing dirty room, drain room and exhaust room and connecting gradually and constituteing, advance dirty room and exhaust room to be located the both sides of depressed part respectively, recovery joint connects in the top of advancing dirty room, exhaust joint connects in the top of exhaust room, the bottom middle part of drain room is equipped with the filth discharge port.

2. A pavement cleaning and soil pick-up apparatus negative pressure tank as claimed in claim 1, wherein: a first partition plate is vertically arranged between the sewage inlet chamber and the sewage draining chamber, and a sewage inlet channel is arranged between the lower part of the first partition plate and the bottom wall of the shell.

3. A pavement cleaning and soil pick-up apparatus negative pressure tank as claimed in claim 2, wherein: the bottom of the first baffle is connected with a baffle which is obliquely arranged, the baffle is positioned above the sewage inlet channel, the height of one side of the baffle, which is close to the sewage draining chamber, is lower than that of the other side, and the lower part of the side wall of the shell, which is opposite to the first baffle, of the sewage inlet chamber is in an oblique shape parallel to the baffle.

4. A pavement cleaning and soil pick-up apparatus negative pressure tank as claimed in claim 1, wherein: the middle part of the side wall of the inwards concave part of the shell is provided with an access hole, and the access hole is provided with an access cover plate.

5. A pavement cleaning and soil pick-up apparatus negative pressure tank as claimed in claim 1, wherein: the oil mist filter is characterized in that a second partition plate in an L shape is arranged between the exhaust chamber and the sewage disposal chamber, the exhaust chamber is positioned on the upper portion of the second partition plate, an exhaust port is formed in the second partition plate, and an oil mist filter screen is movably mounted on the exhaust port.

6. A pavement cleaning and soil pick-up apparatus suction box as claimed in claim 5, wherein: the oil mist filter screen is in sliding connection with the inserting groove arranged at the lower end of the second partition board, and the shape and the size of the oil mist filter screen are matched with those of the exhaust port.

7. A pavement cleaning and soil pick-up apparatus negative pressure tank as set forth in claim 6, wherein: the second baffle is equipped with the separation blade that is used for fixed oil mist filter screen in the notch department of jack groove, separation blade one end and oil mist filter screen butt, be connected with locking screw between the other end and the second baffle.

8. A pavement cleaning and soil pick-up apparatus negative pressure tank as claimed in claim 1, wherein: the bottom wall of the shell comprises two inclined and symmetrically arranged bottom plates, the sewage discharge opening is positioned between the two bottom plates, and the height of each bottom plate, which is close to one side of the sewage discharge opening, is lower than that of the other side.

9. A pavement cleaning and soil pick-up apparatus negative pressure tank as claimed in claim 1, wherein: the shell is provided with two mounting holes for connecting the liquid level meter, and the two mounting holes are respectively communicated with the sewage draining chamber and the exhaust chamber.

10. A pavement cleaning and soil pick-up apparatus negative pressure tank as claimed in claim 1, wherein: one side of the shell is connected with a pressure gauge and a liquid level sensor, and the pressure gauge and the liquid level sensor are communicated with the sewage disposal chamber.