Prefabricated pump station grid cleaning device

Abstract

The application provides a prefabricated pump station grid decontamination device, and belongs to the technical field of water treatment. The prefabricated pump station grid decontamination device comprises a flow guide cover, which is arranged between the water inlet of a cylinder body and the water inlet end of a crushing grid, and is used for guiding wastewater to the crushing grid; a channel, which is arranged on a supporting plate and penetrates through the supporting plate, and is located directly below the water inlet end of the crushing grid; a grid plate, which is slidingly arranged on the supporting plate in the height direction and has a top end located in the channel, and the grid plate can move from the bottom to the top of the supporting plate through the channel and cover the water outlet end of the flow guide cover; upper insertion holes, which are arranged on the supporting plate and correspond to the top of both sides of the water outlet end of the flow guide cover; and upper insertion rods, which are arranged on both sides of the top of the grid plate, and are used for fixing the grid plate when the grid plate covers the water outlet end of the flow guide cover by being inserted into the corresponding upper insertion holes. The prefabricated pump station grid decontamination device has the advantages that the crushing grid can be maintained and repaired under the condition that the prefabricated pump station is in a normal state and runs, and the water treatment efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water treatment, in particular to a prefabricated pump station grid decontamination device. BACKGROUND

[0002] The prefabricated pump station is an integrated product integrating a submersible pump, a pump station equipment, a decontamination grid equipment, a control system and a remote monitoring system. The prefabricated pump station has the characteristics of being mobile and flexible, having a very short construction period of the pump station and being extremely simple to install. In the domestic municipal industry, the prefabricated pump station has become a new development trend of pump station construction.

[0003] The existing prefabricated pump station generally adopts a basket grid or a crushing grid for grid decontamination. However, when the grid decontamination device is overhauled or maintained and replaced, the outlet of the cylinder water inlet pipeline lacks a debris treatment or filtering device, and in order to prevent debris from being directly discharged into the cylinder and damaging the submersible pump or accumulating at the bottom of the cylinder, the operation of the prefabricated pump station needs to be stopped, thereby affecting the water treatment efficiency of the prefabricated pump station and increasing the maintenance cost of the grid decontamination device. Therefore, the overhauling and replacement of the grid decontamination device are relatively inconvenient. Therefore, the present application provides a prefabricated pump station grid decontamination device. SUMMARY

[0004] To solve the above technical problems, the present application provides a prefabricated pump station grid decontamination device.

[0005] The technical scheme of the present application is as follows:

[0006] A prefabricated pump station grid decontamination device, comprising a support plate fixedly installed on the inner wall of a cylinder, two guide rails vertically arranged on the support plate, and a crushing grid supported on the top of the support plate and slidingly arranged between the two guide rails in the height direction, further comprising:

[0007] A drainage cover is arranged between the water inlet of the cylinder and the water inlet end of the crushing grid, and is used for draining wastewater into the crushing grid;

[0008] A channel is formed in the support plate and penetrates through the support plate, and the channel is located directly below the water inlet end of the crushing grid;

[0009] A grid plate is slidingly arranged on the support plate in the height direction and the top end of the grid plate is located in the channel, and the grid plate can move from the bottom to the top of the support plate through the channel and cover the water outlet end of the drainage cover;

[0010] An upper insertion hole is arranged on the support plate and corresponds to the top of the two sides of the water outlet end of the drainage cover;

[0011] An upper insertion rod is arranged on both sides of the top of the grid plate, and the upper insertion rod is used to fix the grid plate when the grid plate covers the water outlet end of the drainage cover by being inserted into the corresponding upper insertion hole.

[0012] Further, the two sides of the channel are fixedly installed with guide rods, the water outlet end of the drainage cover is located between the two guide rods, the two sides of the water inlet end of the grid plate are fixedly installed with sliding plates that are in sliding cooperation with the guide rods, and the upper insertion hole is arranged at the top of the side face of the guide rod opposite to the grid plate.

[0013] Further, the guide rod is provided with a lower insertion hole below the upper insertion hole and staggered in the width direction with the upper insertion hole, the sliding plate is provided with a lower insertion rod that can be inserted into the lower insertion hole corresponding to the bottom of the grid plate, and the upper insertion rod and the lower insertion rod are fixedly connected with a connecting rod penetrating the support plate.

[0014] Further, the top and bottom of the sliding plate are provided with through grooves for the upper insertion rod and the lower insertion rod to penetrate and be respectively inserted into the upper insertion hole and the lower insertion hole, and the upper insertion rod and the lower insertion rod are provided with first springs corresponding to the through grooves to provide elastic force for the upper insertion rod and the lower insertion rod to be respectively inserted into the upper insertion hole and the lower insertion hole.

[0015] Further, the side of the water outlet end of the drainage cover comprises a top plate, a bottom plate and two side plates surrounding a square structure, wherein the side plate comprises an outer plate body and an inner plate body in sliding cooperation in the height direction, the inner plate body and the outer plate body are provided with lateral water outlets staggered in the height direction, and the top of the outer plate body is fixedly provided with an outer extension plate that is pushed by the sliding plate to drive the outer plate body to be upwardly displaced so that the lateral water outlets on the outer plate body and the inner plate body are aligned.

[0016] Further, the bottom plate comprises an upper plate body and a lower plate body distributed in the up-down direction, and the upper plate body is arranged to be able to swing in the vertical direction with one end close to the water outlet end of the drainage cover as the axis and the other end away from the water outlet end of the drainage cover, the upper plate body and the lower plate body are provided with bottom water outlets staggered in the width direction, and the opposite sides of the upper plate body and the lower plate body are fixedly provided with plug blocks for blocking the opposite bottom water outlets.

[0017] Further, the inner plate body is provided with a through hole, the inner surface of the outer plate body is fixedly provided with a supporting block in sliding cooperation with the through hole, and the side surface of the upper plate body is fixedly provided with a supporting rod inserted into the supporting block from the outer side end, the supporting rod is used to drive the upper plate body to be upwardly rotated so that the plug block is separated from the bottom water outlet into which it is inserted.

[0018] Further, when the upper plate body is in a horizontal state, the top of the plug block on the lower plate body and the top of the upper plate body are located on the same plane.

[0019] Further, the upper insertion rod comprises a rod-shaped part for being inserted into the upper insertion hole and a block-shaped part fixedly connected with the sliding plate and in sliding cooperation with the sliding plate at the end of the rod-shaped part opposite to the sliding plate.

[0020] The bottom of both sides of the water inlet end of the crushing grid is fixedly provided with a support plate, a support column is slidably arranged on the support plate, and a second spring is arranged between the support column and the support plate;

[0021] The block part is provided with a first passing groove, which comprises an inclined part and a vertical part from bottom to top, and when the upper inserting rod is inserted into the upper inserting hole, the support column moves from the bottom notch of the inclined part to the inside thereof;

[0022] The block part is provided with a second passing groove in an inclined state, and when the support column passes the first passing groove from bottom to top, it is displaced to the top notch of the second passing groove, and when the support column passes the second passing groove from top to bottom, the upper inserting rod is pushed out of the upper inserting hole.

[0023] Further, a stabilizing plate is fixedly arranged between the bottom ends of the two guide rods, and when the grid plate is located at the bottom of the support plate, the bottom end thereof is supported on the stabilizing plate.

[0024] The present application has the following beneficial effects:

[0025] 1. When the prefabricated pump station grid cleaning device needs to be repaired or replaced due to failure of the crushing grid, the grid plate can be used as a temporary cleaning device to replace the crushing grid to block the impurities in the water in the drainage cover and accumulate them, and after the crushing grid is reinstalled, the accumulated impurities are crushed after passing through the crushing grid. Therefore, after the prefabricated pump station grid cleaning device is applied, the prefabricated pump station can be kept normal operation during the process of repairing the crushing grid, so that the prefabricated pump station has higher efficiency and stronger functionality.

[0026] 2. During the process of hoisting the crushing grid, the prefabricated pump station can simultaneously drag the drainage cover out of the water end and block it, and when the crushing grid is lowered, the grid plate can be reset downward to realize effective replacement and connection between the crushing grid and the grid plate. In the actual operation process, the crushing grid can be directly hoisted upward or lowered, which is convenient to operate and has outstanding effect. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a schematic view of the prefabricated pump station grid cleaning device of the present application on the cylinder;

[0028] Figure 2 is an enlarged view of A in the prefabricated pump station grid cleaning device of the present application; Figure 1

[0029] Figure 3 is an enlarged view of B in the prefabricated pump station grid cleaning device of the present application; Figure 1

[0030] Figure 4 ​​This invention relates to a prefabricated pump station bar screen cleaning device. Figure 1 Enlarged view of point C in the image;

[0031] Figure 5 This is a schematic diagram of the prefabricated pump station bar screen cleaning device of the present invention;

[0032] Figure 6 This invention relates to a prefabricated pump station bar screen cleaning device. Figure 5 Enlarged view of point D in the image;

[0033] Figure 7 This invention relates to a prefabricated pump station bar screen cleaning device. Figure 5 Enlarged view of point E in the image;

[0034] Figure 8 This invention relates to a prefabricated pump station bar screen cleaning device. Figure 5 Enlarged view of point F in the image;

[0035] Figure 9 This is a schematic diagram of the support plate and guide rod of the prefabricated pump station bar screen cleaning device of the present invention;

[0036] Figure 10 This invention relates to a prefabricated pump station bar screen cleaning device. Figure 9 Enlarged view of point G in the image;

[0037] Figure 11 This is a schematic diagram of the flow guide cover of the prefabricated pump station bar screen cleaning device of the present invention;

[0038] Figure 12 This is a schematic diagram of the grating plate and guide rod of the prefabricated pump station grating cleaning device of the present invention;

[0039] Figure 13 This is an enlarged view of section H of the prefabricated pump station bar screen cleaning device of the present invention;

[0040] Figure 14 This invention relates to a prefabricated pump station bar screen cleaning device. Figure 12 A partial sectional view in the document;

[0041] Figure 15 This invention relates to a prefabricated pump station bar screen cleaning device. Figure 14 Enlarged view of point I in the image;

[0042] Figure 16 This is a schematic diagram of the support plate of the prefabricated pump station bar screen cleaning device of the present invention;

[0043] Figure 17 This is a schematic diagram of the hanging rod of the prefabricated pump station bar screen cleaning device of the present invention;

[0044] Figure 18 This is a schematic diagram of the upper plate of the prefabricated pump station bar screen cleaning device of the present invention when it is tilted upwards;

[0045] Figure 19 is a prefabricated pump station grid cleaning device of the present application Figure 17 is an enlarged view of J in DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0047] Referring to Figures 1 to 19 The prefabricated pump station grid cleaning device provided by the present application mainly comprises a support plate 2 installed on the inner wall of a cylinder 1, two guide rails 3 vertically arranged on the support plate 2, and a crushing grid 4 supported on the top of the support plate 2 and slidingly arranged between the two guide rails 3 in the height direction.

[0048] Specifically, the crushing grid 4 is installed on the support frame by means of hoisting in the prior art, and the support plate 2 is fixedly installed on the inner wall of the cylinder 1 through the support frame at the bottom thereof. When the crushing grid 4 fails or needs to be overhauled, the crushing grid 4 is directly hoisted upward by a crane to a platform for maintenance or inspection.

[0049] The prefabricated pump station grid cleaning device further comprises a flow guide cover 5, a grid plate 7, an upper insertion hole 8, and an upper insertion rod 9.

[0050] The flow guide cover 5 is arranged between the water inlet of the cylinder 1 and the water inlet end of the crushing grid 4, and the water outlet end of the flow guide cover 5 directly contacts the end face of the water inlet end of the crushing grid 4, which is used to guide the wastewater into the crushing grid 4. At this time, the impurities contained in the wastewater will be crushed by the crushing grid 4 and then discharged into the cylinder 1, so as to prevent the submersible pump from being blocked or the impurities from accumulating at the bottom of the cylinder 1.

[0051] The grid plate 7 is slidingly arranged on the support plate 2 in the height direction, and a channel 6 penetrating through the support plate 2 is formed in the support plate 2 directly below the water inlet end of the crushing grid 4. The top end of the grid plate 7 is located in the channel 6, and the grid plate 7 can move from the bottom to the top of the support plate 2 through the channel 6 and cover the water outlet end of the flow guide cover 5.

[0052] Specifically, in the embodiment of the present application, the grid plate 7 has a lowest position and a highest position by displacement in the height direction, and when the grid plate 7 is located at the lowest position, the top end thereof is located in the channel 6, and when the grid plate 7 is located at the highest position, the bottom end thereof is located at the top of the support plate 2 and the grid plate 7 covers the water outlet end of the flow guide cover 5.

[0053] At this time, when the crushing grid 4 is in failure or maintenance, the grid plate 7 is moved to the highest position to cover the water outlet end of the flow guide cover 5 when the crushing grid 4 is lifted away from the water outlet end of the flow guide cover 5. The grid plate 7 can be used as a temporary measure to block the impurities in the water flow in the flow guide cover 5 to prevent the impurities from being discharged into the cylinder 1. Therefore, when the crushing grid 4 is maintained, the prefabricated pump station can be kept in normal operation.

[0054] The upper insertion hole 8 is arranged on the support plate 2 and corresponds to the two sides of the top of the water outlet end of the flow guide cover 5. The upper insertion rod 9 is arranged on both sides of the top of the grid plate 7. When the grid plate 7 covers the water outlet end of the flow guide cover 5, the upper insertion rod 9 is inserted into the corresponding upper insertion hole 8 to fix the grid plate 7.

[0055] After the scheme provided by the above embodiment of the present application is applied, when the crushing grid 4 is maintained and lifted away from the support plate 2, the grid plate 7 is moved upward through the channel 6 to cover the water outlet end of the flow guide cover 5. At this time, the grid plate 7 can block the impurities in the wastewater in the flow guide cover 5, which has the effect of preventing the impurities from entering the cylinder 1. Therefore, when the crushing grid 4 is maintained, the prefabricated pump station does not need to be stopped, and the prefabricated pump station can be kept in normal operation. At the same time, when the crushing grid 4 is reinstalled in the prefabricated pump station, the grid plate 7 is simply moved downward to leave the water outlet end of the flow guide cover 5 and return to the initial position.

[0056] The two sides of the channel 6 are fixedly provided with guide rods 10, and the water outlet end of the flow guide cover 5 is located between the two guide rods 10. At this time, the top end of the guide rod 10 extends above the support plate 2, and the bottom end of the guide rod 10 extends below the support plate 2. The two guide rods 10 are fixedly provided with a stable plate 22 between the bottom ends. When the grid plate 7 is located at the bottom of the support plate 2, the bottom end of the grid plate 7 is supported on the stable plate 22. The two sides of the water inlet end of the grid plate 7 are fixedly provided with sliding plates 11 which are in sliding cooperation with the guide rods 10. When the grid plate 7 is located at the lowest position, it is supported by the guide rods 10 through the sliding plates 11, and the cooperation between the sliding plates 11 and the guide rods 10 provides guidance for the displacement of the grid plate 7.

[0057] Specifically, in the embodiment, the guide rod 10 is provided in a square rod structure, the sliding plate 11 is provided in an "L" shape structure, and the grid plate 7 is provided to extend outward relative to the water outlet end of the flow guide cover 5 in the width direction to form a surplus part. One end of the sliding plate 11 is fixed vertically on the surplus part. At this time, a "U"-shaped accommodation area is formed between the sliding plate 11 and the surplus part. The sizes of the sliding plate 11 and the guide rod 10 are set such that the size of the "U"-shaped accommodation area is matched with the guide rod 10, and the guide rod 10 is arranged in the "U"-shaped accommodation area.

[0058] Further, by setting the width of the water outlet end of the flow guide cover 5 and the distance between the two guide rods 10, the opposite side surfaces of the two guide rods 10 are in contact with the two side surfaces of the water outlet end of the flow guide cover 5, and by setting the size of the sliding plate 11, the opposite ends of the two sliding plates 11 are also in contact with the side surfaces of the water outlet end of the flow guide cover 5. At this time, the guide rod 10, the sliding plate 11 and the flow guide cover 5 are effectively matched, and the overall stability is strong.

[0059] Wherein, the upper insertion hole 8 is arranged at the top of the side surface of the guide rod 10 opposite to the grating plate 7, and the upper insertion rod 9 is slidingly arranged at the top of the side surface of the sliding plate 11 opposite to the grating plate 7. At this time, when the grating plate 7 moves from the lowest position to the highest position, the upper insertion rod 9 is in alignment with the upper insertion hole 8 in the height direction, so that the upper insertion rod 9 can be inserted into the upper insertion hole 8 to realize the suspension of the grating plate 7 on the guide rod 10 in the height direction.

[0060] Further, in the embodiment, by setting the length of the grating plate 7 and the sliding plate 11, when the grating plate 7 is located at the highest position, the bottom end thereof is located in the channel 6. At this time, when the upper insertion rod 9 is inserted into the upper insertion hole 8 to fix the top end of the grating plate 7, the channel 6 limits the bottom end of the grating plate 7 to achieve the effect of stabilizing the bottom end of the grating plate 7, which can improve the stability of the grating plate 7 and better resist the impact of water flow.

[0061] Further, in the embodiment, the guide rod 10 is provided with a lower insertion hole 12 below the upper insertion hole 8 and staggered in the width direction, the sliding plate 11 is provided with a lower insertion rod 13 corresponding to the bottom of the grating plate 7 and capable of being inserted into the lower insertion hole 12, and the upper insertion rod 9 and the lower insertion rod 13 are fixed with a connecting rod 14 penetrating the support plate 2.

[0062] Specifically, by setting the length of the sliding plate 11, when the grating plate 7 is located at the highest position, the bottom end of the sliding plate 11 extends below the support plate 2 after penetrating the channel 6, and the lower insertion rod 13 is arranged on the part of the sliding plate 11 below the support plate 2. At this time, when the grating plate 7 moves to the highest position to cover the water outlet end of the flow guide cover 5, the lower insertion rod 13 is inserted into the lower insertion hole 12 by the connecting rod 14 when the upper insertion rod 9 is inserted into the upper insertion hole 8. At this time, the top end, the bottom end and the part between the top end and the bottom end of the grating plate 7 are all stable, which greatly improves the stability of the grating plate 7.

[0063] Further, in the embodiment, the top and bottom of the sliding plate 11 are both provided with a through slot 15 for the upper insertion rod 9 and the lower insertion rod 13 to penetrate to be respectively inserted into the upper insertion hole 8 and the lower insertion hole 12, and the upper insertion rod 9 and the lower insertion rod 13 are provided with a first spring 16 corresponding to the through slot 15 to provide elastic force for the upper insertion rod 9 and the lower insertion rod 13 to be respectively inserted into the upper insertion hole 8 and the lower insertion hole 12.

[0064] At this time, when the grid plate 7 is located at the lowest position and before being displaced to the highest position, the upper and lower insertion rods 9 and 13 are in contact with the surface of the guide rod 10, and the first spring 16 is in a compressed state. When the grid plate 7 moves to the highest position, the upper and lower insertion rods 9 and 13 are inserted into the upper and lower insertion holes 8 and 12, respectively, under the elastic action of the first spring 16, so as to fix the grid plate 7.

[0065] In the embodiment of the present application, the water outlet side of the drainage cover 5 is provided with a top plate, a bottom plate and two side plates forming a square structure, wherein the side plates include an outer plate body 5.1 and an inner plate body 5.2 which are in sliding fit in the height direction, the inner plate body 5.2 and the outer plate body 5.1 are provided with lateral water outlets 5.3 staggered in the height direction, and the outer plate body 5.1 is fixedly provided with an outer extension plate 5.4 which is pushed up by the sliding plate 11 to drive the outer plate body 5.1 to displace upward so that the lateral water outlets 5.3 on the outer plate body 5.1 and the inner plate body 5.2 are aligned.

[0066] Specifically, the inner plate body 5.2 is fixedly arranged, and the outer plate body 5.1 is slidingly arranged on the outer surface of the inner plate body 5.2. In the initial state, the outer plate body 5.1 is located at the lowest position and supported on the support plate 2. The lateral water outlets 5.3 on the outer plate body 5.1 and the inner plate body 5.2 are staggered in the height direction, the inner side of the lateral water outlets 5.3 on the outer plate body 5.1 is blocked by the inner plate body 5.2, and the outer side of the lateral water outlets 5.3 on the inner plate body 5.2 is blocked by the outer plate body 5.1, so that the entire side plate is in a closed state.

[0067] In the process of moving the grid plate 7 upward to the highest position, the sliding plate 11 pushes up the outer extension plate 5.4, at this time, the outer extension plate 5.4 drives the outer plate body 5.1 to displace upward, when the grid plate 7 moves to the highest position, the outer plate body 5.1 is aligned with the lateral water outlets 5.3 on the inner plate body 5.2, so that the side plate is in communication with the cylinder 1 through the lateral water outlets 5.3.

[0068] Therefore, when the crushing grid 4 is in normal operation, the side plate is in a closed state, so that the sewage carrying impurities entering the drainage cover 5 can be more efficiently treated in the crushing grid 4. When the crushing grid 4 is maintained, after the crushing grid 4 is lifted away, the grid plate 7 covers the water outlet end of the drainage cover 5, at this time, the sewage can be discharged from the drainage cover 5 through the lateral water outlets 5.3 on the side plate, improving the drainage effect of the drainage cover 5, reducing the impact of the water flow on the grid plate 7, and improving the stability.

[0069] Further, in the embodiment, the bottom plate is arranged to include an upper plate body 5.5 and a lower plate body 5.6, and the upper plate body 5.5 is arranged to be able to swing in the vertical direction with its end close to the water outlet end of the flow guide cover 5 as the axis and its end away from the water outlet end of the flow guide cover 5. The upper plate body 5.5 and the lower plate body 5.6 are both provided with bottom water outlets 5.7 staggered in the width direction, and the opposite sides of the upper plate body 5.5 and the lower plate body 5.6 are both fixedly provided with plug blocks 5.8 for plugging the opposite bottom water outlets 5.7.

[0070] Specifically, the lower plate body 5.6 is fixedly connected with the support, the lower plate body 5.6 is fixed with the inner plate body 5.2, and the inner plate body 5.2 is fixed with the top plate. The two sides of the end of the upper plate body 5.5 away from the water outlet end of the flow guide cover 5 are both fixedly provided with rotating shafts, and the rotating shafts are in rotating cooperation with the inner plate body 5.2. At this time, the upper plate body 5.5 is rotated upward, so that the plug blocks 5.8 on the lower plate body 5.6 are separated from the bottom water outlets 5.7 on the upper plate body 5.5, and at the same time, the plug blocks 5.8 on the upper plate body 5.5 are separated from the bottom water outlets 5.7 on the lower plate body 5.6, and the plug blocks 5.8 on the lower plate body 5.6 are separated from the bottom water outlets 5.7 on the upper plate body 5.5, so that the water flow can pass through the gap between the upper plate body 5.5 and the lower plate body 5.6 from the bottom water outlets 5.7 on the upper plate body 5.5, and then be discharged from the bottom water outlets 5.7 on the lower plate body 5.6. This further improves the water discharge capacity of the flow guide cover 5, reduces the impact force on the grid plate 7, and improves the stability.

[0071] More specifically, in the embodiment, the size of the plug block 5.8 is arranged so that when the upper plate body 5.5 is in the horizontal state, the top of the plug block 5.8 on the lower plate body 5.6 is on the same plane as the top of the upper plate body 5.5. At this time, it is mainly used to make the upper surface of the bottom plate a relatively flat surface when the crushing grid 4 is normally running, so as to improve the entry of sewage and sundries into the crushing grid 4.

[0072] In addition, when the grid plate 7 covers the water outlet end of the flow guide cover 5, the upper plate body 5.5 is in a state of being upwarping at the end close to the water outlet end of the flow guide cover 5, and when the grid plate 7 blocks the sundries in the wastewater in the flow guide cover 5, the upper plate body 5.5 makes the bottom of the flow guide cover 5 close to the water outlet end be in a slope state, which is more conducive to the sundries blocked by the grid plate 7 to gather to the side of the bottom of the flow guide cover 5 away from the water outlet end, on the one hand, preventing too many sundries from blocking the water discharge port on the grid plate 7 to affect its water discharge effect, and at the same time, reducing the impact of the water flow combined with the sundries on the grid plate 7, further improving the stability.

[0073] In the embodiment, the upper inserting rod 9 is arranged to include a rod-shaped part 9.1 for inserting into the upper inserting hole 8, and a block-shaped part 9.2 fixed at the end of the rod-shaped part 9.1 opposite to the sliding plate 11 and in sliding cooperation with the sliding plate 11;

[0074] Correspondingly, the bottom of both sides of the water inlet end of the crushing grid 4 is fixedly installed with a support plate 17, and the two support plates 17 are arranged in a one-to-one corresponding state with the two upper insertion rods 9, a support column 18 is slidably arranged on the support plate 17, and a second spring 19 is arranged between the support column 18 and the support plate 17;

[0075] Correspondingly, the block part 9.2 is provided with a first through groove 20, the first through groove 20 includes an inclined part 20.1 and a vertical part 20.2 from bottom to top, and when the upper insertion rod 9 is inserted into the upper insertion hole 8, the support column 18 moves from the bottom notch of the inclined part 20.1 to the inside thereof.

[0076] Correspondingly, the block part 9.2 is provided with a second through groove 21 in an inclined state, when the support column 18 passes through the first through groove 20 from bottom to top, the support column 18 is displaced to be directly above the top notch of the second through groove 21, and when the support column 18 passes through the second through groove 21 from top to bottom, the support column 18 pushes the upper insertion rod 9 out of the upper insertion hole 8.

[0077] Specifically, in the embodiment, the support plate 17 is arranged in an "L" shape structure, and the support column 18 is arranged on the inner surface of the vertical face thereof. When the grid plate 7 is located at the lowest position and the crushing grid 4 is on the support plate 2, the horizontal part of the support plate 17 is tightly attached to the top of the block part 9.2, the vertical face thereof is tightly attached to the outer lateral face of the support plate 17, and the support column 18 is supported at the position between the first through groove 20 and the second through groove 21 at the bottom of the block part 9.2.

[0078] Next, the above embodiment is further described based on the direction of the water flow in and out of the drainage cover 5:

[0079] The inclined part 20.1 is arranged in a state that the top end is inclined upstream, so that when the upper insertion rod 9 is inserted into the upper insertion hole 8, the displacement of the block part 9.2 causes the inclined part 20.1 to move in the displacement direction of the block part 9.2 to be above the support column 18, so that the support column 18 enters the inside of the inclined part 20.1 under the lifting action of the crushing grid 4.

[0080] The inner surface of the vertical part 20.2 of the support plate 17 is provided with a limiting groove 23 parallel to the displacement direction of the block part 9.2, the second spring 19 is arranged in the limiting groove 23, a limiting sliding block 24 is arranged in the limiting groove 23, and the support column 18 is rotatably installed on the limiting sliding block 24. The second spring 19 is located between the downstream end of the support column 18 and the inner wall surface of the downstream end of the limiting groove 23, and in the embodiment, the two ends of the second spring 19 are respectively fixed between the downstream end of the limiting sliding block 24 and the downstream end surface of the limiting sliding groove.

[0081] Before the upper insertion rod 9 is inserted into the upper insertion hole 8, the downstream end of the limiting sliding block 24 contacts the inner wall surface of the downstream end of the limiting sliding groove. Such arrangement can prevent the support column 18 from moving downstream on the support plate 17, especially when the upper insertion rod 9 is inserted into the upper insertion hole 8 by moving downstream, the support column 18 can be kept stable at the bottom of the block part 9.2 to ensure that the support column 18 can effectively enter the bottom notch of the inclined part 20.1, thereby ensuring that the scheme of the above embodiment can be stably implemented.

[0082] When the support column 18 moves upward in the inclined part 20.1, it will move upward on the support plate 17 relative to the support plate 17 and stretch the second spring 19. After passing through the top notch of the inclined part 20.1 and entering the vertical part 20.2, and leaving the vertical part 20.2 to disengage the first through slot 20, the support column 18 will return to the initial position on the support plate 17 under the action of the second spring 19. At this time, the length direction of the support column 18 on the support plate 17 is just above the top notch of the second through slot 21.

[0083] In the above embodiment, when the lifting crushing grid 4 is lifted to move away from the support plate 2, the support plate 17 can support the block part 9.2 from the bottom through the support column 18, so that the grid plate 7 can be pulled up synchronously. During the upward movement of the grid plate 7, the first spring 16 is in a compressed state, and the downstream end of the upper insertion rod 9 contacts and moves on the upstream end surface of the guide rod 10.

[0084] When the upper insertion rod 9 moves to be aligned with the upper insertion hole 8, the upper insertion rod 9 is automatically inserted into the upper insertion hole 8 under the elastic action of the first spring 16. At this time, the block part 9.2 is in a downstream translation process on the sliding plate 11 relative to the sliding plate 11. After the translation of the block part 9.2, the bottom notch of the inclined part 20.1 of the first through slot 20 moves above the support column 18. Under the action of the support column 18 following the upward movement of the crushing grid 4, the support column 18 enters the inside of the inclined part 20.1 from the bottom notch of the inclined part 20.1.

[0085] When the support column 18 moves from bottom to top in the inclined part 20.1, it will move upstream and stretch the second spring 19 under the guidance of the inclined part 20.1. Then, the support column 18 enters the vertical part 20.2 of the first through slot 20, and finally passes through the first through slot 20 from the vertical part 20.2.

[0086] After the support column 18 leaves the first through slot 20 from the top notch of the vertical part 20.2, it returns to the initial position in the length direction of the support plate 17 under the action of the second spring 19. At this time, the support plate 17 is just above the top notch of the second through slot 21 on the block part 9.2 corresponding to the upper insertion rod 9 that has been inserted into the upper insertion hole 8.

[0087] After the crushing grid 4 is lowered to the support column 18 passing the block part 9.2 from top to bottom, the support column 18 directly enters the second through slot 21 from the top end slot of the second through slot 21.

[0088] And the second through slot 21 is arranged in a state that the top end is inclined upstream relative to the bottom end, so that when the support column 18 enters the second through slot 21 and moves from top to bottom, the downstream end face of the limiting sliding block 24 is in contact with the inner wall face of the downstream end of the limiting sliding slot, so that the support column 18 cannot be displaced upstream on the support plate 17. Further, when the support column 18 is displaced from top to bottom in the second through slot 21, the support column 18 contacts the upstream end inner wall face of the second through slot 21, so that the block part 9.2 is displaced upstream, and the rod-shaped part 9.1 is extracted from the upper insertion hole 8. After the process of continuously lowering the crushing grid 4, the grid plate 7 will be displaced downward and restored to the initial position.

[0089] Further, in the embodiment of the present application, the upstream end of the support plate 17 is provided with a hanging rod 25 in the shape of "L", the top end of the vertical section of the hanging rod 25 is rotatably installed on the upstream end of the support plate 17, and a torsion spring is arranged between the top end of the vertical section of the hanging rod 25 and the support plate 17, which is used to keep the hanging rod 25 in a vertical state. When the hanging rod 25 is in a vertical state, the distance between the top face of the horizontal section of the hanging rod 25 and the bottom of the support plate 17 is greater than the width of the block part 9.2 in the height direction.

[0090] When the grid plate 7 is in the lowest position and before it moves to the highest position, the bottom of the upstream end of the block part 9.2 is supported by the horizontal section of the hanging rod 25.

[0091] When the upper insertion rod 9 is inserted into the upper insertion hole 8, the upstream end of the block part 9.2 is separated from the hanging rod 25.

[0092] When the support plate 17 is displaced downward and the support column 18 is displaced downward in the second through slot 21, the upstream end of the upper insertion rod 9 is displaced upstream, at this time, the upstream end of the block part 9.2 pushes the hanging rod 25 outward and makes the torsion spring deform, and the hanging rod 25 is in an inclined state.

[0093] By setting the length of the vertical section of the hanging rod 25, the horizontal section of the hanging rod 25 has moved to the bottom of the upstream end of the block part 9.2 before the support column 18 completely passes through the second through slot 21 from top to bottom, and before the rod-shaped part 9.1 is completely extracted from the upper insertion hole 8.

[0094] When the rod-shaped part 9.1 is completely extracted from the upper insertion hole 8, the grid plate 7 will be hung by the hanging rod 25 after falling, so that in the subsequent process, the grid plate 7 is hung by the support plate 17 and follows the crushing grid 4 to descend synchronously.

[0095] It should be noted that in the present embodiment, the distance between the upper and lower ends of the second through groove 21 is set to be greater than the distance of the insertion of the rod-shaped portion 9.1 into the upper insertion hole 8, and the distance of the displacement of the support column 18 driving the block-shaped portion 9.2 to move upstream during the subsequent downward displacement of the support column 18 in the second through groove 21 is less than the distance between the upstream end face of the block-shaped portion 9.2 and the vertical segment of the hanging rod after the rod-shaped portion 9.1 is separated from the upper insertion hole 8.

[0096] At this time, after the upper insertion rod 9 is inserted into the upper insertion hole 8, the hanging rod 25 is located outside the upstream end of the block-shaped portion 9.2 and can directly pass the upper insertion rod 9 from bottom to top. When the support column 18 is displaced from top to bottom in the second through groove 21, the upstream end of the block-shaped portion 9.2 pushes the hanging rod 25 upstream to make it inclined when the rod-shaped portion 9.1 is separated from the upper insertion hole.

[0097] When the rod-shaped portion 9.1 is separated from the upper insertion hole 8, the horizontal segment of the hanging rod 25 is in a horizontal state, and the vertical segment of the hanging rod 25 is in a vertical state. During the subsequent downward displacement of the support column 18 in the second through groove 21, the block-shaped portion 9.2 continues to move upstream, and the hanging rod 25 remains in a vertical state. At this time, if the grating plate 7 falls, the hanging rod 25 can catch the grating plate 7 to hang it below the crushing grating 4 and follow the crushing grating 4 to descend synchronously.

[0098] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A prefabricated pump station grid decontamination device, comprising a support plate (2) fixedly installed on the inner wall of a cylinder (1), two guide rails (3) vertically arranged on the support plate (2), and a crushing grid (4) supported on the top of the support plate (2) and slidingly arranged between the two guide rails (3) in the height direction, characterized in that, Also include: Drain cover (5), which is arranged between the water inlet of the barrel (1) and the water inlet end of the crushing grid (4), for draining wastewater into the crushing grid (4); Channel (6) is opened in the support plate (2) and penetrates the support plate (2), and the channel (6) is located directly below the water inlet end of the crushing grid (4); The grid plate (7) is slidingly arranged on the support plate (2) in the height direction and the top end is located in the channel (6), the grid plate (7) can move from the bottom to the top of the support plate (2) through the channel (6) and cover the water outlet end of the drain cover (5); The upper insertion hole (8) is arranged on the support plate (2), and the top of both sides of the water outlet end of the drain cover (5) is arranged correspondingly; The upper insertion rod (9) is arranged on both sides of the top of the grid plate (7), and the upper insertion rod (9) is used to insert the corresponding upper insertion hole (8) when the grid plate (7) covers the water outlet end of the drain cover (5) to fix the grid plate (7); Both sides of the channel (6) are fixedly installed with guide rod (10), the water outlet end of the drain cover (5) is located between the two guide rods (10), both sides of the water inlet end of the grid plate (7) are fixedly installed with sliding plate (11) slidingly matched with the guide rod (10), and the upper insertion hole (8) is opened at the top of the side face of the guide rod (10) away from the grid plate (7), and the upper insertion rod (9) is slidingly arranged at the top of the side face of the sliding plate (11) away from the grid plate (7); The upper insertion rod (9) includes a rod-shaped part (9.1) for inserting into the upper insertion hole (8) and a block-shaped part (9.2) fixed at one end of the rod-shaped part (9.1) away from the sliding plate (11) and slidingly matched with the sliding plate (11); The bottom of both sides of the water inlet end of the crushing grid (4) is fixedly installed with support plate (17), and the support column (18) is slidingly arranged on the support plate (17); The block-shaped part (9.2) is provided with a first through slot (20), and the first through slot (20) includes an inclined part (20.1) and a vertical part (20.2) from bottom to top, and when the upper insertion rod (9) is inserted into the upper insertion hole (8), the support column (18) moves from the bottom slot of the inclined part (20.1) to the inside thereof; The block-shaped part (9.2) is provided with a second through slot (21) in an inclined state, and when the support column (18) passes the first through slot (20) from bottom to top, it is displaced to the top slot of the second through slot (21) directly above, and when the support column (18) passes the second through slot (21) from top to bottom, it pushes the upper insertion rod (9) out of the upper insertion hole (8).

2. A precast pump station grille cleaning device according to claim 1, wherein, The guide rod (10) is provided with a lower insertion hole (12) below the upper insertion hole (8) and staggered in the width direction with the upper insertion hole (8), and the sliding plate (11) is provided with a lower insertion rod (13) which can be inserted into the lower insertion hole (12) corresponding to the bottom of the grid plate (7), and the upper insertion rod (9) and the lower insertion rod (13) are fixedly connected with the connecting rod (14) penetrating the support plate (2).

3. A precast pump station grille trap according to claim 2, wherein, The top and bottom of the sliding plate (11) are provided with through grooves (15) for the upper and lower insertion rods (9) and (13) to pass through and be inserted into the upper and lower insertion holes (8) and (12) respectively, and a first spring (16) is arranged between the upper and lower insertion rods (9) and (13) and the corresponding through grooves (15) to provide elastic force for the insertion of the upper and lower insertion rods (9) and (13) into the upper and lower insertion holes (8) and (12) respectively.

4. A precast pump station grid screen cleaning device according to any one of claims 1 to 3, characterised in that, The water outlet side of the drainage cover (5) comprises a top plate, a bottom plate and two side plates forming a square structure, wherein the side plates comprise an outer plate body (5.1) and an inner plate body (5.2) which are in sliding fit in the height direction, the inner plate body (5.2) and the outer plate body (5.1) are provided with lateral water outlets (5.3) staggered in the height direction, and the outer plate body (5.1) is fixedly provided with an outer extension plate (5.4) on the top which is pushed up by the sliding plate (11) to drive the outer plate body (5.1) to displace upward so that the lateral water outlets (5.3) on the outer plate body (5.1) and the inner plate body (5.2) are aligned.

5. A precast pump station grille trap according to claim 4, wherein, The bottom plate comprises an upper plate body (5.5) and a lower plate body (5.6) arranged in a vertical direction, and the upper plate body (5.5) is arranged to be able to swing in the vertical direction with one end close to the water outlet end of the drainage cover (5) as the axis and the other end away from the water outlet end of the drainage cover (5), the upper plate body (5.5) and the lower plate body (5.6) are provided with bottom water outlets (5.7) staggered in the width direction, and the opposite sides of the upper plate body (5.5) and the lower plate body (5.6) are fixedly provided with plug blocks (5.8) for blocking the opposite bottom water outlets (5.7).

6. A precast pump station grille trap according to claim 5, wherein, The inner plate body (5.2) is provided with a through hole (5.9), the inner surface of the outer plate body (5.1) is fixedly provided with a supporting block (5.10) in sliding fit with the through hole (5.9), and the side surface of the upper plate body (5.5) is fixedly provided with a supporting rod (5.11) inserted into the supporting block (5.10), the supporting rod (5.11) is used to drive the upper plate body (5.5) to rotate upward so that the plug block (5.8) separates from the bottom water outlet (5.7) into which it is inserted.

7. A precast pump station grille trap according to claim 6, wherein, When the upper plate body (5.5) is in a horizontal state, the top of the plug block (5.8) on the lower plate body (5.6) is located on the same plane as the top of the upper plate body (5.5).

8. A precast pump station grille cleaning device according to claim 1, wherein, The bottom ends of the two guide rods (10) are fixedly provided with a stabilizing plate (22), and when the grid plate (7) is located at the bottom of the support plate (2), the bottom end is supported on the stabilizing plate (22).

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