Water surface garbage blocking device for water conservancy project

Abstract

The utility model discloses a water conservancy project water surface garbage blocking device which comprises vertical bases, the vertical bases on the two sides are provided with dismounting and mounting combination assemblies in a combined mode, and a garbage blocking assembly is detachably arranged between the vertical bases on the two sides through the dismounting and mounting combination assemblies. The garbage blocking assembly has the advantages that the garbage blocking assembly can be detachably combined between the vertical seats on the two sides in the mode that the sliding seats are in vertical sliding fit with the sliding grooves and the limiting rods are in transverse sliding fit with the limiting holes, and meanwhile the sliding seats can slide upwards along the sliding grooves to be separated from the top ends only by pulling the limiting rods outwards to be separated from the limiting holes; therefore, the garbage blocking assembly is detached between the vertical bases on the two sides, the combination and detachment mode of the garbage blocking assembly between the vertical bases on the two sides is simple and easy to achieve, and the garbage blocking assembly can be conveniently and rapidly combined between the vertical bases on the two sides to block garbage on the water surface; and meanwhile, subsequent overhaul and maintenance can be conveniently carried out after the garbage blocking assembly is detached.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of water conservancy auxiliary assembly, concretely relates to a water conservancy water surface garbage blocking device. BACKGROUND

[0002] In the practical application of water conservancy, the water surface garbage blocking device is a device used for water conservancy and water body management, and its main purpose is to prevent and collect garbage, waste and floating objects floating on the surface of the water body. These devices can help maintain the cleanliness and ecological balance of the water body, prevent pollution and protect the living environment of aquatic organisms.

[0003] However, the current water surface garbage blocking device is usually only a simple garbage blocking filter screen in the specific design. In use, the filter screen is placed across the water flow, and then the floating garbage is blocked by filtering water through the filter screen. This way can achieve the effect of blocking and cleaning the water surface garbage. However, since the height of the blocking filter screen is usually fixed, the blocking filter screen cannot achieve the use effect of garbage blocking when the water level rises or falls. SUMMARY

[0004] The purpose of the utility model is to solve the above problems and provide a water conservancy water surface garbage blocking device. The garbage blocking assembly is detachably connected to the stand on both sides through the disassembly and assembly assembly. Then, through the vertical sliding cooperation of the sliding seat and the sliding groove and the horizontal sliding cooperation of the limiting rod and the limiting hole, the garbage blocking assembly can be detachably combined between the stands on both sides. At the same time, after pulling out the limiting rod from the limiting hole, the sliding seat can slide up along the sliding groove and come out from the top. In this way, the garbage blocking assembly is detached between the stands on both sides. The combination and disassembly of the garbage blocking assembly between the stands on both sides are simple and easy to implement, as described below.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of water conservancy water surface garbage blocking device, including stand, the quantity of the stand is two and is respectively erected in two sides position, the stand on both sides is combined to be detachably connected with garbage blocking assembly for intercepting and blocking water surface garbage between the stand on both sides by disassembly and assembly assembly, and the garbage blocking assembly is combined in front of the garbage blocking assembly.

[0007] Garbage cleaning assembly is combined in front of the garbage blocking assembly, to push the water surface garbage blocked in front of the garbage blocking assembly to the side position of the garbage blocking assembly by the garbage cleaning assembly.

[0008] As preferred, the garbage blocking assembly comprises an intercepting screen and a pad seat, the intercepting screen is vertically arranged between the stand in two side positions along the transverse direction, the top of the intercepting screen is fixedly combined with a U-shaped clamping plate I in transverse direction, and the top surface of the U-shaped clamping plate I is vertically fixed with the pad seat on both sides, the outer end surface of the pad seat away from each other in two side positions is fixed with a connecting rod along the transverse direction, and the outer end of the connecting rod in two side positions is detachably connected with the corresponding stand through the disassembly and assembly assembly, and the front part of the pad seat in two side positions is combined with the garbage cleaning assembly.

[0009] As preferred, the garbage cleaning assembly comprises a wing seat I, a wing seat II and a cleaning screen, the front of the pad seat in two side positions is fixedly combined with the wing seat I and the wing seat II along the longitudinal direction respectively, the wing seat I is inserted with a screw rod in a transverse sliding fit manner, the end of the screw rod close to the wing seat II is rotatably connected with the wing seat II through a bearing seat, the other end of the screw rod penetrates out of the outer side of the wing seat I and is coaxially detachably installed with a rocker arm, the periphery of the part of the screw rod between the wing seat I and the wing seat II is engaged with a nut seat, and the bottom surface of the nut seat is fixedly combined with an installation plate in a horizontal extension manner, the cleaning screen is vertically arranged in front of the intercepting screen, the top of the cleaning screen is fixedly combined with a U-shaped clamping plate II, and the top of the U-shaped clamping plate II is fixedly connected with the installation plate.

[0010] As preferred, the intercepting screen and the cleaning screen are both stainless steel metal screen plates, and the included angle between the cleaning screen and the intercepting screen is an acute angle.

[0011] As preferred, the outer end of the screw rod away from the wing seat I is coaxially detachably installed with a rocker arm.

[0012] As preferred, a guide rod is transversely fixed between the wing seat I and the wing seat II behind the screw rod, a guide seat is vertically fixed on the top surface of the installation plate behind the nut seat, and the guide rod penetrates through the guide seat in a transverse sliding fit manner.

[0013] As a preferred, the disassembling and assembling combination assembly comprises sliding grooves and sliding seats, the end faces of the vertical seats in two positions are vertically provided with the sliding grooves, the top of the sliding groove is open, the inner end faces of the sliding grooves in two positions are transversely provided with a plurality of limiting holes, the limiting holes in the same sliding groove are different in position height and located in the same vertical, the sliding seat corresponds to the sliding groove and is vertically slidably connected, the outer ends of the connecting rods in two positions are fixed to the lower parts of the outer end faces of the corresponding sliding seats, the upper parts of the end faces of the sliding seats in two positions are transversely provided with mounting holes, the mounting holes are through holes, the limiting rods are coaxially inserted into the mounting holes in a transversely slidably connected manner, and the outer ends of the limiting rods in two positions are coaxially and slidably connected with the limiting holes in the same side.

[0014] As a preferred, the inner ends of the limiting rods in two positions are coaxially fixed with handles, the parts of the limiting rods between the handles and the outer end faces of the sliding seats are coaxially and gap-connected with springs, and the two ends of the spring are fixedly connected with the corresponding handle and the outer end face of the sliding seat.

[0015] As a preferred, the sliding groove is one of a dovetail groove or an I-shaped groove.

[0016] As a preferred, the sliding groove is a blind groove in the vertical direction, and when the limiting rods are transversely and coaxially connected with the limiting holes in the lowest position, the bottom end of the sliding seat is in contact with the bottom end of the corresponding sliding groove, and the top ends of the intercepting filter screen and the cleaning filter screen are not lower than the bottom end of the vertical seat.

[0017] The water surface garbage blocking device is used for blocking water surface garbage in water conservancy projects, and the garbage blocking assembly is detachably combined between the vertical seats at two positions through the disassembly and assembly assembly, and then is detachably combined between the vertical seats at two positions through vertical sliding cooperation of the sliding seat and the sliding groove and transverse sliding cooperation of the limiting rod and the limiting hole, so that the sliding seat can slide up along the sliding groove and be detached from the top end, so as to detach the garbage blocking assembly between the vertical seats at two positions, the combination and disassembly of the garbage blocking assembly between the vertical seats at two positions are simple and easy to realize, the garbage blocking assembly can be quickly combined between the vertical seats at two positions, water surface garbage can be blocked, and the garbage blocking assembly can be easily disassembled for maintenance.

[0018] The garbage blocking assembly is detachably combined between the vertical seats at two positions through the disassembly and assembly assembly, and then is detachably combined between the vertical seats at two positions through vertical sliding cooperation of the sliding seat and the sliding groove and transverse sliding cooperation of the limiting rod and the limiting hole, so that the sliding seat can slide up along the sliding groove and be detached from the top end, so as to detach the garbage blocking assembly between the vertical seats at two positions, the combination and disassembly of the garbage blocking assembly between the vertical seats at two positions are simple and easy to realize, the garbage blocking assembly can be quickly combined between the vertical seats at two positions, water surface garbage can be blocked, and the garbage blocking assembly can be easily disassembled for maintenance.

[0019] 2、The inside of the chute is provided with a plurality of limiting holes with different vertical position heights, and then the garbage blocking assembly can be adjusted and locked to different position heights through the transverse cooperation of the limiting rods and the limiting holes with different position heights, so that the intercepting screen of the garbage blocking assembly can be adjusted to the position height meeting the use needs according to the actual situation of the water level, the use adaptability of the garbage blocking assembly is improved, and the garbage blocking assembly can play the expected use effect;

[0020] 3、The garbage cleaning assembly is arranged in front of the garbage blocking assembly, and the cleaning screen of the garbage cleaning assembly is vertically arranged in front of the intercepting screen and is arranged at a certain angle with the intercepting screen, so that the cleaning screen can be driven to move transversely in front of the intercepting screen through the rotation of the screw rod of the garbage cleaning assembly, and then the water surface garbage blocked in front of the intercepting screen can be pushed and concentrated to one side of the intercepting screen through the transverse movement of the cleaning screen, so that the personnel can conveniently collect and clean the water surface garbage after being pushed and concentrated. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description only show some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0022] Figure 1 is the overall isometric view of the present application;

[0023] Figure 2 is the overall isometric view of the present application Figure 1 ; Figure 1 ;

[0024] Figure 3 is the overall isometric view of the present application Figure 2 ;

[0025] Figure 4 is the overall isometric view of the present application Figure 1 ; Figure 2 ;

[0026] Figure 5 is the overall isometric view of the present application Figure 1 ;

[0027] Figure 6 is the overall isometric view of the present application Figure 1 ;

[0028] Figure 7 is the overall isometric view of the present application Figure 1 ;

[0029] The reference signs are explained as follows:

[0030] 1, pedestal; 2, garbage blocking assembly; 201, connecting rod; 202, pad; 203, U-shaped clamping plate 1; 204, intercepting filter screen; 3, garbage cleaning assembly; 301, screw rod; 302, rocker arm; 303, cleaning filter screen; 304, U-shaped clamping plate 2; 305, wing seat 1; 306, guide rod; 307, guide seat; 308, nut seat; 309, mounting plate; 3010, wing seat 2; 3011, bearing seat; 4, disassembly and assembly assembly; 401, sliding groove; 402, limiting hole; 403, sliding seat; 404, spring; 405, handle; 406, mounting hole; 407, limiting rod. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme of the present application will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0032] Reference is made to Figures 1-7The utility model provides a water conservancy project water surface rubbish blocking device, including standing seat 1, the quantity of standing seat 1 is two and is respectively erected in both sides position, and the standing seat 1 of both sides position is combined to be provided with dismounting combination subassembly 4, and dismounting combination subassembly 4 all includes sliding slot 401 and sliding seat 403, and the end face of standing seat 1 of both sides position is all vertically provided with sliding slot 401, and the top of sliding slot 401 is all open, and the inner side end face of sliding slot 401 of both sides position is all provided with a plurality of limit hole 402 along the transverse, and the limit hole 402 position height of same sliding slot 401 is all different and is located same vertical, and sliding seat 403 and sliding slot 401 one to one correspondence and vertically slide and cooperate, and the outer end of connecting rod 201 of both sides position is all fixed in the lower part of the corresponding sliding seat 403 outer end face, and the end face upper portion of sliding seat 403 of both sides position is all provided with mounting hole 406 along the transverse, and mounting hole 406 is all through -hole, and mounting hole 406 all coaxially insert limit rod 407 with the transverse slide and cooperate, and the outer end of limit rod 407 of both sides position is all with the coaxial slide and cooperate of same side one of limit hole 402, and the inner end of limit rod 407 of both sides position is all coaxially fixed with handle 405, and the part of limit rod 407 between corresponding handle 405 and sliding seat 403 outer end face is all coaxially gap and is cooperated with spring 404, and the both ends of spring 404 are fixedly connected with corresponding handle 405 and sliding seat 403 outer end face, and the purpose of this arrangement is that the rubbish blocking subassembly 2 can be detachably combined between the standing seat 1 of both sides position through the vertical slide and cooperate of sliding seat 403 and sliding slot 401 and the transverse slide and cooperate of limit rod 407 and limit hole 402, and only need to pull out limit rod 407 from limit hole 402 to make sliding seat 403 slide on sliding slot 401 and come out from the top, to this rubbish blocking subassembly 2 is separated between the standing seat 1 of both sides position, and the combination and split mode of rubbish blocking subassembly 2 between the standing seat 1 of both sides position is simple to realize.

[0033] Referring to Figures 1-4As shown, the two side position stand 1 between through disassembly combination assembly 4 can be detachable provided with the garbage blocking assembly 2 used to intercept the water surface garbage, specifically, the garbage blocking assembly 2 includes intercepting filter screen 204 and pad seat 202, intercepting filter screen 204 is arranged between the two side position stand 1 along the transverse vertical, the top of the intercepting filter screen 204 is combined and fixed with U type card board one 203, and the top surface of the U type card board one 203 is vertically fixed with pad seat 202 on both sides, the outer side end surface of the pad seat 202 on both sides is fixed with connecting rod 201 along the transverse, and the outer end of the connecting rod 201 on both sides is detachably connected with the corresponding stand 1 through disassembly combination assembly 4, the pad seat 202 on both sides is combined and arranged between the front part of the garbage cleaning assembly 3, the advantage of this arrangement is that the water surface garbage floating can be intercepted by the water filtering mode of intercepting filter screen 204, so as to achieve the use effect of blocking the water surface garbage.

[0034] Referring to Figures 1-4 As shown, the garbage blocking assembly 2 is combined and arranged in front of the garbage cleaning assembly 3, so as to push the water surface garbage blocked in front of the garbage blocking assembly 2 to one side position of the garbage blocking assembly 2 through the garbage cleaning assembly 3, specifically, the garbage cleaning assembly 3 includes wing seat one 305, wing seat two 3010 and cleaning filter screen 303, the wing seat one 305 and the wing seat two 3010 are respectively fixed on the front of the pad seat 202 on both sides along the longitudinal direction, the screw rod 301 is inserted into the wing seat one 305 in a transverse sliding manner, the end of the screw rod 301 close to the wing seat two 3010 is rotatably connected with the wing seat two 3010 through the bearing seat 3011, the other end of the screw rod 301 penetrates out of the outer side of the wing seat one 305 and is detachably installed with the rocker arm 302 in a coaxial manner, the nut seat 308 is engaged with the outer periphery of the screw rod 301 between the wing seat one 305 and the wing seat two 3010, the mounting plate 309 is fixed and extended on the bottom surface of the nut seat 308, the cleaning filter screen 303 is erected in front of the intercepting filter screen 204, the U type card board two 304 is fixed and combined on the top of the cleaning filter screen 303, and the top of the U type card board two 304 is fixedly connected with the mounting plate 309, the reason for this arrangement is that the cleaning filter screen 303 can be moved transversely in front of the intercepting filter screen 204 by rotating the screw rod 301 of the garbage cleaning assembly 3, so that the water surface garbage blocked in front of the intercepting filter screen 204 can be pushed and concentrated to one side position of the intercepting filter screen 204 by moving the cleaning filter screen 303.

[0035] Referring to Figures 1-7As shown, the garbage blocking assembly 2, the garbage cleaning assembly 3 and the disassembly and assembly assembly 4 are respectively optimized as follows. Specifically to the garbage blocking assembly 2 and the garbage cleaning assembly 3, the interception filter screen 204 and the cleaning filter screen 303 are both stainless steel mesh plates, and the included angle between the cleaning filter screen 303 and the interception filter screen 204 is an acute angle. In this way, firstly, the interception filter screen 204 and the cleaning filter screen 303 both have good use effect, and at the same time, the cleaning filter screen 303 has good use effect when pushing the concentrated garbage. At the same time, the outer end of the screw rod 301 away from the wing seat one 305 is coaxially detachably installed with a rocker arm 302, so as to drive the screw rod 301 to rotate by means of the rocker arm 302. Further, the guide rod 306 is transversely fixed between the wing seat one 305 and the wing seat two 3010 at the position behind the screw rod 301, and the guide seat 307 is vertically fixed on the top surface of the mounting plate 309 at the position behind the nut seat 308, and the guide rod 306 passes through the guide seat 307 in a transversely sliding manner. In this way, in the process of moving the interception filter screen 204 along the screw rod 301 with the nut seat 308, the transverse movement of the interception filter screen 204 can be guided and corrected by the guide seat 307 sliding along the guide rod 306. Specifically to the disassembly and assembly assembly 4, the sliding groove 401 is a dovetail type groove or a kind of I-shaped groove, so as to have good positioning and guiding design when the sliding seat 403 vertically slides along the sliding groove 401. At the same time, the sliding groove 401 is a blind groove in the vertical direction, and when the limiting rod 407 is transversely coaxially matched with the limiting hole 402 at the lowest position, the bottom end of the sliding seat 403 is in contact with the bottom end of the corresponding sliding groove 401, and the top end of the interception filter screen 204 and the cleaning filter screen 303 is not lower than the bottom end of the stand 1. In this way, when the sliding seat 403, the interception filter screen 204 and the cleaning filter screen 303 are at the lowest position, the bottom end of the sliding seat 403 is in contact with the bottom end of the corresponding sliding groove 401, which can be obviously prompted.

[0036] With the above structure, in the water conservancy engineering, the garbage blocking assembly 2 is detachably combined between the two vertical seats 1 through the disassembling and assembling assembly 4, and then the sliding seat 403 is slidably matched with the sliding groove 401 in the vertical direction and the limiting rod 407 is slidably matched with the limiting hole 402 in the horizontal direction, and after the limiting rod 407 is pulled out of the limiting hole 402, the sliding seat 403 is slid upward along the sliding groove 401 and then is pulled out from the top end, so as to detach the garbage blocking assembly 2 from between the two vertical seats 1, and the combination and detachment of the garbage blocking assembly 2 between the two vertical seats 1 is simple and easy to realize, which is convenient for quickly combining the garbage blocking assembly 2 between the two vertical seats 1 and then blocking the water surface garbage, and is also convenient for subsequent maintenance after the garbage blocking assembly 2 is detached, and since the limiting holes 402 with different vertical position heights are arranged in the sliding groove 401, and then the limiting rod 407 is horizontally matched with the limiting holes 402 with different position heights, the garbage blocking assembly 2 can be adjusted and locked to different position heights, which is convenient for adjusting the intercepting screen 204 of the garbage blocking assembly 2 to the position height required by use according to the actual situation of the water level, improves the use adaptability of the garbage blocking assembly 2, and is beneficial to the garbage blocking assembly 2 to play the desired use effect, and since the garbage cleaning assembly 3 is combined and arranged in front of the garbage blocking assembly 2, and the cleaning screen 303 of the garbage cleaning assembly 3 is vertically arranged in front of the intercepting screen 204 and is arranged at a certain angle with the intercepting screen 204, and then the cleaning screen 303 is horizontally moved in front of the intercepting screen 204 by rotating the screw rod 301 of the garbage cleaning assembly 3, so that the water surface garbage blocked in front of the intercepting screen 204 is pushed and concentrated to one side of the intercepting screen 204 by the horizontal movement of the cleaning screen 303, and personnel can conveniently collect and clean the water surface garbage pushed and concentrated.

[0037] The above merely illustrates the specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A hydraulic engineering water surface garbage blocking device, comprising a vertical seat (1), characterized in that: The number of the stand (1) is two and is erected in two side positions respectively, the stand (1) in the two side positions is provided with a disassembling and assembling assembly (4) in combination, and the stand (1) between the two side positions is provided with a garbage blocking assembly (2) for intercepting and blocking water surface garbage through the disassembling and assembling assembly (4) in a detachable manner. The front of the garbage blocking assembly (2) is provided with a garbage cleaning assembly (3) in combination, so as to push and concentrate the water surface garbage blocked in front of the garbage blocking assembly (2) to one side position of the garbage blocking assembly (2) through the garbage cleaning assembly (3).

2. The water surface trash holding device according to claim 1, characterized in that: The garbage blocking assembly (2) comprises an intercepting filter screen (204) and a pad seat (202), the intercepting filter screen (204) is vertically arranged between the stands (1) in the two side positions in a transverse manner, the top of the intercepting filter screen (204) is fixedly provided with a U-shaped clamping plate I (203) in combination, the top surface of the U-shaped clamping plate I (203) is vertically fixed with the pad seat (202) on both sides, the outer side end surfaces of the pad seats (202) in the two side positions are fixed with connecting rods (201) in a transverse manner, the outer ends of the connecting rods (201) in the two side positions are detachably connected with the corresponding stands (1) through the disassembling and assembling assembly (4), and the front portions of the pad seats (202) in the two side positions are provided with the garbage cleaning assembly (3) in combination.

3. The water surface trash holding device of claim 2, wherein: The garbage cleaning assembly (3) comprises a wing seat I (305), a wing seat II (3010) and a cleaning filter screen (303), the front of the pad seat (202) in the two side positions is fixed with the wing seat I (305) and the wing seat II (3010) in a longitudinal extending manner respectively, the wing seat I (305) is inserted with a screw rod (301) in a transverse sliding fit manner, the end of the screw rod (301) close to the wing seat II (3010) is rotatably connected with the wing seat II (3010) through a bearing seat (3011), the other end of the screw rod (301) penetrates out of the outer side of the wing seat I (305) and is detachably installed with a rocker arm (302) in a coaxial manner, the periphery of the portion of the screw rod (301) between the wing seat I (305) and the wing seat II (3010) is engaged with a nut seat (308), the bottom surface of the nut seat (308) is fixedly provided with an installation plate (309) in a horizontal extending manner, the cleaning filter screen (303) is vertically erected in front of the intercepting filter screen (204), the top of the cleaning filter screen (303) is fixedly provided with a U-shaped clamping plate II (304) in combination, and the top of the U-shaped clamping plate II (304) is fixedly connected with the installation plate (309).

4. The water surface trash holding device of claim 3, wherein: The intercepting filter screen (204) and the cleaning filter screen (303) are both stainless steel mesh plates, and the included angle between the cleaning filter screen (303) and the intercepting filter screen (204) is an acute angle.

5. The hydraulic engineering water surface garbage blocking device according to claim 4, characterized in that: The outer end of the screw rod (301) away from the wing seat I (305) is coaxially detachably installed with a rocker arm (302).

6. The hydraulic engineering water surface litter blocking device according to claim 5, characterized in that: A guide rod (306) is horizontally fixed behind the screw rod (301) between the wing seat one (305) and the wing seat two (3010), and a guide seat (307) is vertically fixed on the top surface of the mounting plate (309) behind the nut seat (308), and the guide rod (306) passes through the guide seat (307) in a transversely sliding fit.

7. The water surface garbage blocking device for hydraulic engineering according to any one of claims 3-6, characterized in that: The disassembling and assembling assembly (4) comprises a sliding groove (401) and a sliding seat (403), the end surface of the vertical seat (1) at both sides is vertically provided with the sliding groove (401), the top of the sliding groove (401) is open, the inner side end surface of the sliding groove (401) at both sides is transversely provided with a plurality of limiting holes (402), the limiting holes (402) of the same sliding groove (401) are different in position height and located on the same vertical, the sliding seat (403) corresponds to the sliding groove (401) and is vertically slidingly fitted, the outer end of the connecting rod (201) at both sides is fixed to the lower part of the outer end surface of the corresponding sliding seat (403), the upper part of the end surface of the sliding seat (403) at both sides is transversely provided with a mounting hole (406), the mounting hole (406) is a through hole, the mounting hole (406) is coaxially inserted with a limiting rod (407) in a transversely sliding fit, and the outer end of the limiting rod (407) at both sides is coaxially slidingly fitted with the limiting hole (402) at the same side.

8. The hydraulic engineering water surface litter blocking device according to claim 7, characterized in that: The inner end of the limiting rod (407) at both sides is coaxially fixed with a handle (405), the part of the limiting rod (407) between the handle (405) and the outer end surface of the sliding seat (403) is coaxially gap-fitted with a spring (404), and the two ends of the spring (404) are fixedly connected with the handle (405) and the outer end surface of the sliding seat (403) respectively.

9. The hydraulic engineering water surface litter blocking device according to claim 8, characterized in that: The sliding groove (401) is one of a dovetail groove or an I-shaped groove.

10. The water surface trash holding device according to claim 8 or 9, characterized in that: The sliding groove (401) is a blind groove in the vertical direction, and when the limiting rod (407) is transversely coaxially fitted with the limiting hole (402) at the lowest position, the bottom end of the sliding seat (403) is in contact with the bottom end of the corresponding sliding groove (401), and the top end of the intercepting filter screen (204) and the cleaning filter screen (303) is not lower than the bottom end of the vertical seat (1).

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