CN215156735U - Conveying device - Google Patents

Abstract

The application discloses conveyor, through setting up box, accessory plate and rotating assembly, the case mouth has been seted up on the lateral wall of box, accessory plate swivelling joint is in the bottom of case mouth to realize opening and shutting of case mouth, rotating assembly's guide holder fixed mounting extends in the bottom of case mouth and towards the direction of keeping away from the box, sets up the spout that extends along the direction of box on the guide holder, and the slider setting slides in the spout and along the length direction of spout, and the first end swivelling joint of support frame is dorsad on the accessory plate one side of box, the second end and the slider of support frame rotate to be connected, and the drive division drives the slider and slides in the spout, sets up with the drive accessory plate is rotatory. Adopt the conveyor that this application provided, can make the accessory plate realize different rotation angles, place the operating equipment on the accessory plate in the box through the slope gradient of accessory plate gradually, increase the convenience of placing operating equipment, save the manual work and lift operating equipment and put the power in the box, reduce intensity of labour.

Description

Conveying device

Technical Field

The application relates to the technical field of electromechanical equipment transportation, in particular to a conveying device.

Background

When the underground construction of the coal mine is carried out, some small-sized operation equipment is required to be conveyed underground.

At present, because the underground construction space of a coal mine is small, when operation equipment is conveyed, the operation equipment is mostly directly placed on a trolley for conveying, and the inventor finds that the small operation equipment is easy to collide with other objects in the conveying process, so that the operation equipment is possibly damaged.

Chinese patent publication No. CN210310420U provides an adjustable conveying equipment for coal mine electromechanical devices, which can reduce the shaking and collision of electromechanical devices in the conveying process by controlling the extension of an electric hydraulic rod to drive a limiting pressure plate to extrude and position electromechanical devices downwards, but the adjustable conveying equipment for coal mine electromechanical devices needs to be manually lifted to be placed inside when electromechanical devices are placed, resulting in greater labor intensity for placing electromechanical devices.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present application provides a conveying device to solve the above technical problems.

The application provides a conveyor, includes: the device comprises a box body, an auxiliary plate and a rotating assembly;

a box opening is formed in the side wall of the box body;

the auxiliary plate is rotatably connected to the bottom of the box opening to realize the opening and closing of the box opening;

the rotating assembly comprises a driving part, a sliding block, a guide seat and a supporting frame;

the guide seat is fixedly installed at the bottom of the box opening and extends towards the direction far away from the box body, a sliding groove is formed in the guide seat, the sliding groove extends along the direction far away from the box body, and the sliding block is arranged in the sliding groove and slides along the length direction of the sliding groove; the first end of the support frame is rotatably connected to one side, back to the box body, of the auxiliary plate, and the second end of the support frame is opposite to the first end of the support frame and is rotatably connected with the sliding block;

the driving part drives the sliding block to slide in the sliding groove so as to drive the auxiliary plate to rotate.

Optionally, the rotating assembly further comprises a threaded rod;

the threaded rod sets up in the spout and follow the length direction of spout extends, set up threaded hole on the slider, threaded rod wears to establish the screw hole, the one end of threaded rod is worn out the spout and with the drive division drive is connected, the threaded rod is rotatory to be driven the slider is along the length direction of spout removes.

Optionally, the rotating assembly further comprises an insert plate;

be close to on the bottom plate of box the one end of accessory plate is opened has the groove of dodging, dodge and all seted up the draw-in groove on two cell walls that set up relatively on the groove, keep away from on the guide holder the one end of drive division is inlayed and is established dodge the groove, keep away from on the guide holder the mounting hole has still been seted up to the one end of drive division, the picture peg is followed one side of bottom plate is worn to establish in proper order into first the draw-in groove mounting hole and second the draw-in groove is in order to incite somebody to action the guide holder is installed on the bottom plate.

Optionally, the insertion plate is a rectangular plate, and the insertion plate is tightly inserted into the two clamping grooves and the mounting hole.

Optionally, the rotating assembly further comprises a connecting block;

the connecting block is attached to one side, back to the box opening, of the auxiliary plate, a rotating hole is further formed in the connecting block, a rotating shaft is arranged on the side face of the first end of the supporting frame, and the rotating shaft is rotatably arranged in the rotating hole.

Optionally, the device further comprises a lifting assembly, wherein the lifting assembly comprises a placing belt for conveying the device and a plurality of first supporting rollers arranged in parallel;

the first carrier rollers are sequentially arranged in a direction far away from the box opening, and two ends of any one of the first carrier rollers are rotatably connected to two side walls oppositely arranged in the box body;

the placing belt is connected end to end in a closed loop mode and sleeved on the outer sides of the plurality of first carrier rollers, and the inner surface of the placing belt is abutted to the outer surfaces of the plurality of first carrier rollers.

Optionally, the lifting device further comprises a plurality of second supporting rollers arranged in parallel and used for supporting the lifting assembly;

the plurality of second carrier rollers are sequentially arranged on the inner side of the bottom plate along the direction far away from the box opening, two ends of any second carrier roller are rotatably connected to two opposite side walls in the box body, and the upper surfaces of the plurality of second carrier rollers are abutted to the lower surface of the placement belt.

Optionally, the device further comprises a pressing part;

the pressing portion comprises a pressing plate and an extensible part, the pressing plate is arranged inside the box body and is parallel to a top plate of the box body, the extensible part is installed on the outer side of the top plate, and an extensible end of the extensible part penetrates through the top plate to be arranged in the box body and is connected with the pressing plate to drive the pressing plate to move towards a direction close to or far away from the bottom plate.

Optionally, the device further comprises a connecting plate;

the connecting plate is connected with one end, close to the box opening, of the top plate, and a first through hole is formed in the connecting plate;

and a second through hole is formed in one end, far away from the bottom plate of the box body, of the auxiliary plate, when the auxiliary plate is rotated to be buckled on the box opening, the first through hole and the second through hole are arranged in an aligned mode, and the first through hole and the second through hole are fixedly connected through a fastener.

Optionally, the conveying device further comprises a rubber pad, and the rubber pad is paved on the inner wall of the box body.

The application provides a conveyor, through the bottom of accessory plate swivelling joint at the case mouth of box, in order to realize opening and shutting of case mouth, guide holder fixed mounting is in the bottom of case mouth and towards the direction extension of keeping away from the box, the spout has been seted up on the guide holder, the slider setting slides the setting in the spout and along the length direction of spout, the first end swivelling joint of support frame is in the one side of box on the accessory plate dorsad, the second end and the slider of support frame rotate to be connected, the drive division drives the slider and slides in the spout, with the rotatory setting of drive accessory plate, make the accessory plate realize different rotation angles, can place the box with the operation equipment on the accessory plate in the slope of accessory plate gradually, increase the convenience of placing operation equipment, save the artifical power of lifting and putting operation equipment, reduce intensity of labour.

Drawings

FIG. 1 is a schematic diagram of a conveyor according to an embodiment of the present application;

FIG. 2 is a schematic view of the bottom of the transporter in accordance with an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a rotating assembly according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a lift assembly according to an embodiment of the present application.

Detailed Description

The technical solutions of the present application are described in detail below with reference to the accompanying drawings and specific embodiments. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Fig. 1 is a schematic structural diagram of a conveying device according to an embodiment of the present application, fig. 2 is a schematic structural diagram of a bottom portion of the conveying device according to the embodiment of the present application, and fig. 3 is a schematic structural diagram of a rotating assembly according to the embodiment of the present application. As shown in fig. 1, 2 and 3, the present application provides a conveyance device including: a case 11, an auxiliary plate 21, and a rotating assembly.

Wherein, a box opening 12 is opened on the side wall of the box body 11.

The auxiliary plate 21 is rotatably connected to the bottom of the box opening 12 to realize the opening and closing of the box opening 12.

In an alternative embodiment of the present application, the auxiliary plates 21 may be rotatably mounted on the sidewalls of both sides of the tank opening 12 by a rotating shaft.

As shown in fig. 3, the rotating assembly includes a driving part 31, a slider 32, a guide holder 33, and a support bracket 34.

The guide seat 33 is fixedly installed at the bottom of the box opening 12 and extends in a direction away from the box body 11, a sliding groove 331 is formed in the guide seat 33, the sliding groove 331 extends in a direction away from the box body 11, and the sliding block 32 is arranged in the sliding groove 331 and slidably arranged in a length direction of the sliding groove 331; a first end of the support frame 34 is rotatably connected to a side of the auxiliary plate 21 facing away from the box body 11, and a second end of the support frame 34 is opposite to the first end of the support frame 34 and is rotatably connected to the slider 32.

The driving portion 31 drives the sliding block 32 to slide in the sliding slot 331 so as to drive the auxiliary plate 21 to rotate.

In an alternative embodiment of the present application, the driving portion 31 is fixedly installed at an end of the guide seat 33 away from the box 11, and the driving portion 31 can be a servo motor of LCMT-005L-40M00130 type.

The supporting frame 34 is rotatably connected to the auxiliary plate 21 and the slider 32 at both ends thereof, so that the force for moving the slider 32 in the horizontal direction is converted into a force for rotating the auxiliary plate 21, and the auxiliary plate 21 is driven to close the box opening 12 from the nearly horizontal state shown in fig. 1, whereby the working equipment placed on the auxiliary plate 21 can be pushed into the box body 11 by a mechanical force.

As an implementation process of the operation of the conveying device provided in the embodiment of the present application, the driving portion 31 is first started, the driving portion 31 drives the sliding block 32 to slide in the sliding slot 331 toward the direction close to the driving portion 21, and the supporting frame 34 drives the auxiliary plate 21 to rotate downward to open the box opening 12; when the height of one end of the auxiliary plate 21, which is far away from the box opening 12, is lower than the height of the joint of the auxiliary plate 21 and the box body 11, a worker can push the operation equipment onto the auxiliary plate 21, the slope of the auxiliary plate 21 facilitates the pushing of the operation equipment, when the operation equipment is completely positioned on the auxiliary plate 21, the driving part 31 is started, the output end of the driving part 31 works in the opposite direction, so that the sliding block 32 slides in the sliding groove 331 in the direction far away from the driving part 21, the auxiliary plate 21 is driven to rotate upwards, the operation equipment is gradually pushed into the box body 11, the force for manually lifting the operation equipment into the box body 11 is saved, and the labor intensity is reduced.

The application provides a conveying device, which is rotatably connected to the bottom of a box opening 12 of a box body 11 through an auxiliary plate 21 to realize the opening and closing of the box opening 12, wherein a guide seat 33 is fixedly installed at the bottom of the box opening 12 and extends towards the direction far away from the box body 11, a sliding groove 331 is formed in the guide seat 33, a sliding block 32 is arranged in the sliding groove 331 and is arranged in a sliding manner along the length direction of the sliding groove 331, a first end of a support frame 34 is rotatably connected to one side, back to the box body 11, of the auxiliary plate 21, a second end of the support frame 34 is rotatably connected with the sliding block 32, a driving part 31 drives the sliding block 32 to slide in the sliding groove 331 so as to drive the auxiliary plate 21 to rotate, so that the auxiliary plate 21 can realize different rotation angles, and operating equipment on the auxiliary plate 21 can be gradually placed in the box body 11 through the inclined gradient of the auxiliary plate 21, the convenience of placing the operation equipment is improved, the force for manually lifting the operation equipment into the box body 11 is saved, and the labor intensity is reduced.

Optionally, the rotating assembly further comprises a threaded rod 35.

The threaded rod 35 is disposed in the sliding slot 331 and extends along the length direction of the sliding slot 331, a threaded hole is formed in the slider 32, the threaded rod 35 penetrates through the threaded hole, one end of the threaded rod 35 penetrates through the sliding slot 331 and is connected with the driving portion 31 in a driving manner, the threaded rod 35 rotates to drive the slider 32 to move along the length direction of the sliding slot 331, the slider 32 moves stably in the sliding slot 331, and the stability of rotation of the auxiliary plate 21 is improved.

As shown in fig. 3, in an alternative embodiment of the present application, the sliding block 32 may be a quadrangular prism block, the sliding groove 331 is a strip-shaped groove, a groove width of the strip-shaped groove is smaller than a length of a diagonal line of a cross section of the quadrangular prism, or two side surfaces of the quadrangular prism, which are oppositely disposed, respectively leave a smaller gap with two groove walls of the strip-shaped groove, which can ensure relative sliding between the sliding block 32 and the sliding groove 331, and can prevent the sliding block 32 from rotating in the sliding groove 331. The screw rod 35 is rotated forward to move the slider 32 in a direction away from the driving portion 21, and the auxiliary plate 21 is lifted, and the screw rod 35 is rotated backward to move the slider 32 in a direction closer to the driving portion 21, and the auxiliary plate 21 is lowered.

Optionally, the rotating assembly further comprises an insert plate 36.

Be close to on the bottom plate 13 of box 11 the one end of accessory plate 21 is opened and is dodged groove 131, dodge and all seted up the draw-in groove on two cell walls of relative setting on the groove 131, keep away from on the guide holder 33 the one end of drive portion 31 is inlayed and is established dodge groove 131, keep away from on the guide holder 33 mounting hole 332 has still been seted up to the one end of drive portion 31, picture peg 36 follows one side of bottom plate 13 wears to establish in proper order first the draw-in groove mounting hole 332 and second the draw-in groove, with will guide holder 33 installs on the bottom plate 13, prevent that slider 32 from in the slip process, driving guide holder 33 and remove in the front and back direction, fixed guide holder 33 increases slider 32 and removes ground stability, increases accessory plate 21 stability on the rotating ground.

As shown in fig. 2 and 3, in an alternative embodiment of the present application, a through hole is formed on one side of the bottom plate 13, the through hole is communicated with the first slot, and the inserting plate 36 is inserted into the first slot from the through hole on the side surface of the bottom plate 13, so as to facilitate the installation and the removal of the inserting plate 36.

Optionally, the inserting plate 36 is a rectangular plate, both the two inserting grooves are rectangular grooves matched with the rectangular plate, and the inserting plate 36 is tightly inserted into the two inserting grooves and the mounting hole 332 to prevent the guide seat 33 from rotating, so that the stability of the sliding block 32 in moving is further improved.

In an optional embodiment of the present application, the mounting hole 332 is a rectangular hole, which is convenient for being clamped with the inserting plate 36, and the shaking of the guide seat 33 during the moving process of the sliding block 32 is reduced.

Optionally, the rotating assembly further comprises a connecting block 37.

The connecting block 37 is attached to one side of the auxiliary plate 21, which is opposite to the tank opening 12, a rotating hole is further formed in the connecting block 37, a rotating shaft 341 is arranged on the side surface of the first end of the supporting frame 34, the rotating shaft 341 is rotatably arranged in the rotating hole, and the connecting block 37 increases the stress area of the auxiliary plate 21, so that the auxiliary plate 21 is uniformly stressed and stably moves.

In an alternative embodiment of the present application, as shown in fig. 3, the end surfaces of the first end and the second end of the supporting frame 34 are both arc surfaces, so as to prevent the supporting frame 34 from wearing the auxiliary plate 21 and the sliding groove 331 during the rotation process.

The second end of the support frame 34 is rotatably connected with the slide block 32 through a pin shaft, and the axial direction of the pin shaft is perpendicular to the axial direction of the threaded rod 35.

Optionally, the conveyor further comprises a lift assembly comprising a placing belt 41 for the conveyor device and a plurality of first idlers 42 arranged in parallel.

A plurality of first bearing rollers 42 arrange in proper order along the direction of keeping away from case mouth 12 and arbitrary the equal swivelling joint in both ends of first bearing roller 42 on two lateral walls of relative setting in box 11.

Place area 41 head and the tail closed loop and connect and establish a plurality of first bearing roller 42's the outside, place the internal surface of area 41 and a plurality of first bearing roller 42's surface butt forms the conveyer belt, increases the smoothness nature that the operation equipment removed in box 11, saves the thrust that the operation equipment removed in box 11, makes things convenient for putting into and taking out of operation equipment.

As shown in fig. 4, in an alternative embodiment of the present application, two ends of the first idler 42 are rotatably mounted on the side walls of the two sides of the tank opening 12 through rotating shafts, the first idler 42 is disposed at one end close to the bottom plate 13, the number of the first idler 42 is six, and the six first idlers 42 are sequentially and uniformly distributed in the direction close to the tank opening 12.

The upper surface of the placing belt 41 above the first carrier roller 42 is coplanar with the upper surface of the auxiliary plate 21 when the auxiliary plate rotates to the horizontal position, so that the placing and taking-out of the working equipment are facilitated.

Optionally, the conveyor further comprises a plurality of second idlers 43 arranged in parallel for supporting the lift assembly.

The plurality of second carrier rollers 43 are sequentially arranged on the inner side of the bottom plate 13 along the direction far away from the box opening 12, two ends of any second carrier roller 43 are rotatably connected to two side walls which are oppositely arranged in the box body 11, the upper surfaces of the plurality of second carrier rollers 43 are abutted to the lower surface of the placement belt 41, the lower side of the placement belt 41 is prevented from sagging, and the stability of transmission connection between the placement belt 41 and the first carrier roller 42 is improved.

In an alternative embodiment of the present application, a plurality of second idlers 43 are located between the first idlers 42 and the bottom plate 13, the number of the second idlers 43 is six, the six second idlers 43 are uniformly distributed in a direction approaching the tank opening 12, a distance between adjacent second idlers 43 is the same as a distance between adjacent first idlers 42, as shown in fig. 4, an upper surface of the second idlers 43 refers to a surface of the second idlers 43 that rotates to an upper side, and a lower surface of the placing belt 41 refers to an outer surface of the placing belt 41 that rotates to a lower side.

Optionally, the transport device further comprises a compacting section.

The pressing portion comprises a pressing plate 51 and an extensible member 52, the pressing plate 51 is arranged inside the box body 11 and is parallel to the top plate 14 of the box body 11, the extensible member 52 is arranged on the outer side of the top plate 14, the extensible end of the extensible member 52 penetrates through the top plate 14 into the box body 11 and is connected with the pressing plate 51 so as to drive the pressing plate 51 to move towards the direction close to or far away from the bottom plate 13 to press the operating equipment in the box body 11, and the operating equipment is prevented from shaking and colliding with the box body 11 in the conveying process.

In an alternative embodiment of the present application, as shown in fig. 1 and 4, telescoping member 52 may be implemented using a hydraulic cylinder, a pneumatic cylinder, or the like. The cylinder body of the telescopic piece 52 is welded or screwed on the top plate 14, the telescopic end is positioned on a telescopic rod which is in driving connection with the cylinder body of the telescopic piece 52, the telescopic end penetrates through the top plate 14 and then extends into the box body 11 and is connected with the pressure plate 51, and the height of the pressure plate 51 in the box body 11 is adjusted.

The anti-slip pad is attached to the surface, away from the telescopic piece 52, of the pressing plate 51, abrasion of the pressing plate 51 due to hard contact with the operation equipment is prevented, friction force is increased through the anti-slip pad, and the operation equipment is further prevented from shaking.

Optionally, the transport device further comprises a connection plate 61.

The connecting plate 61 is connected to one end of the top plate 14 close to the box opening 12, and a first through hole 62 is formed in the connecting plate 61.

The end of the auxiliary plate 21 away from the bottom plate 13 of the box body 11 is provided with a second through hole 211, when the auxiliary plate 21 is rotated to be fastened on the box opening 12, the first through hole 62 is aligned with the second through hole 211, and the first through hole 62 is fixedly connected with the second through hole 211 through a fastener, so that the fastening stability of the auxiliary plate 21 is improved, and the auxiliary plate 21 is prevented from shaking in the conveying process.

In an alternative embodiment of the present application, the fastening member may be a locking pin, and the locking pin is simultaneously inserted into the first through hole 62 and the second through hole 211 to achieve the technical effect that the auxiliary plate 21 is stably fastened on the box opening 12, thereby facilitating the installation and the removal.

Optionally, the conveying device further comprises a rubber pad, and the rubber pad is laid on the inner wall of the box body 11, so that the rubber pad can buffer the collision of the operating equipment and the box body 11, and damage to the operating equipment is reduced.

In an alternative embodiment of the present application, the rubber pad may be an elastic rubber pad, and the rubber pad is adhered to the inner wall of the box 11 to prevent the work equipment from being in hard contact with the box 11.

The technical solutions of the present application are described in detail with reference to specific embodiments, which are used to help understand the ideas of the present application. The derivation and modification made by the person skilled in the art on the basis of the specific embodiment of the present application also belong to the protection scope of the present application.

Claims (10)

1. A conveyor apparatus, comprising: the device comprises a box body, an auxiliary plate and a rotating assembly;

a box opening is formed in the side wall of the box body;

the auxiliary plate is rotatably connected to the bottom of the box opening to realize the opening and closing of the box opening;

the rotating assembly comprises a driving part, a sliding block, a guide seat and a supporting frame;

the guide seat is fixedly installed at the bottom of the box opening and extends towards the direction far away from the box body, a sliding groove is formed in the guide seat, the sliding groove extends along the direction far away from the box body, and the sliding block is arranged in the sliding groove and slides along the length direction of the sliding groove; the first end of the support frame is rotatably connected to one side, back to the box body, of the auxiliary plate, and the second end of the support frame is opposite to the first end of the support frame and is rotatably connected with the sliding block;

the driving part drives the sliding block to slide in the sliding groove so as to drive the auxiliary plate to rotate.

2. The transporter according to claim 1 wherein the rotating assembly further comprises a threaded rod;

the threaded rod sets up in the spout and follow the length direction of spout extends, set up threaded hole on the slider, threaded rod wears to establish the screw hole, the one end of threaded rod is worn out the spout and with the drive division drive is connected, the threaded rod is rotatory to be driven the slider is along the length direction of spout removes.

3. The transporter according to claim 2 wherein the rotating assembly further comprises an insert plate;

be close to on the bottom plate of box the one end of accessory plate is opened has the groove of dodging, dodge and all seted up the draw-in groove on two cell walls that set up relatively on the groove, keep away from on the guide holder the one end of drive division is inlayed and is established dodge the groove, keep away from on the guide holder the mounting hole has still been seted up to the one end of drive division, the picture peg is followed one side of bottom plate is worn to establish in proper order into first the draw-in groove mounting hole and second the draw-in groove is in order to incite somebody to action the guide holder is installed on the bottom plate.

4. The transporter according to claim 3 wherein the insert is a rectangular plate that fits snugly into both of the slots and the mounting holes.

5. The transporter according to claim 4 wherein the rotating assembly further comprises a connecting block;

the connecting block is attached to one side, back to the box opening, of the auxiliary plate, a rotating hole is further formed in the connecting block, a rotating shaft is arranged on the side face of the first end of the supporting frame, and the rotating shaft is rotatably arranged in the rotating hole.

6. The transporter according to claim 5 further comprising a lift assembly including a lay-on belt for the transport apparatus and a plurality of first idlers arranged in parallel;

the first carrier rollers are sequentially arranged in a direction far away from the box opening, and two ends of any one of the first carrier rollers are rotatably connected to two side walls oppositely arranged in the box body;

the placing belt is connected end to end in a closed loop mode and sleeved on the outer sides of the plurality of first carrier rollers, and the inner surface of the placing belt is abutted to the outer surfaces of the plurality of first carrier rollers.

7. The transporter according to claim 6 further comprising a plurality of second idlers arranged in parallel for supporting the lift assembly;

the plurality of second carrier rollers are sequentially arranged on the inner side of the bottom plate along the direction far away from the box opening, two ends of any second carrier roller are rotatably connected to two opposite side walls in the box body, and the upper surfaces of the plurality of second carrier rollers are abutted to the lower surface of the placement belt.

8. The transporter according to claim 7 further comprising a compacting section;

the pressing portion comprises a pressing plate and an extensible part, the pressing plate is arranged inside the box body and is parallel to a top plate of the box body, the extensible part is installed on the outer side of the top plate, and an extensible end of the extensible part penetrates through the top plate to be arranged in the box body and is connected with the pressing plate to drive the pressing plate to move towards a direction close to or far away from the bottom plate.

9. The transporter according to claim 8 further comprising a web;

the connecting plate is connected with one end, close to the box opening, of the top plate, and a first through hole is formed in the connecting plate;

and a second through hole is formed in one end, far away from the bottom plate of the box body, of the auxiliary plate, when the auxiliary plate is rotated to be buckled on the box opening, the first through hole and the second through hole are arranged in an aligned mode, and the first through hole and the second through hole are fixedly connected through a fastener.

10. The transporter according to any one of claims 1 to 9 further comprising a rubber mat that lays against an inner wall of the tank.

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