Water conservancy lifting type valve

Abstract

The utility model relates to the technical field of water conservancy projects, and particularly discloses a water conservancy lifting type valve. A filtering groove with a downward opening is formed between the left wall and the right wall of a door beam, the left side, the right side and the bottom side of the filtering groove abut against the left side and the right side of the door beam and the top side of a bottom plate respectively, a plurality of filtering holes are formed in the periphery of the filtering groove, and first through holes allowing a gate to penetrate through are formed in the left side and the right side of the filtering groove respectively. The first through hole is communicated with a groove opening of the sliding groove, a second through hole allowing the gate to penetrate through is formed in the upper side of the filtering groove, and a mud blocking assembly is arranged on the clamping groove to seal the clamping groove opening. When the gate ascends, the filtering groove filters impurities and garbage in water passing through the gate, the possibility that the impurities in the water enter the sliding groove is reduced, the elastic piece jacks up the telescopic cover to seal the clamping groove, and the phenomenon that sludge and impurities enter the clamping groove is reduced; and when the gate descends, the telescopic cover shrinks, the gate and the telescopic cover enter the clamping groove, and the sealing performance of the valve is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy projects, in particular to a water conservancy lifting valve. Background Art

[0002] Hydraulic valves are gates installed in hydropower stations to control the accumulation and discharge of water.

[0003] For example, the Chinese utility model patent with the publication (announcement) number CN213017792U discloses a lifting hydraulic valve for water conservancy projects. The gate is raised or closed by cooperating with the hydraulic rod in the gate structure through the lifting structure. Sliders are arranged on the left and right sides of the gate, and a slide groove for the vertical sliding of the slide is provided on the gate beam. A clamping block is arranged at the bottom of the gate, and a clamping groove matched with the clamping block is provided at the bottom of the gate beam to play a sealing role. When the gate is opened to discharge water, debris in the water flow will enter the groove and the clamping groove, and more silt is easily entered at the bottom of the clamping groove, affecting the sealing of the valve. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model aims to provide a hydraulic lifting valve to improve the sealing performance of the valve.

[0005] The technical solution adopted by the utility model is:

[0006] A hydraulic lifting valve comprises a bottom plate, a door beam mounted on the upper side of the bottom plate, a gate mounted on the inner wall of the door beam, and a lifting structure for driving the gate to lift and lower, wherein the left and right walls of the door beam are provided with slide grooves, the left and right sides of the gate are provided with sliders adapted to the slide grooves, the top side of the bottom plate is provided with a clamping groove, the bottom side of the door beam is provided with a clamping block adapted to the clamping groove, a filter groove with an opening downward is provided between the left and right walls of the door beam, and the left and right sides and the bottom side of the filter groove are respectively connected to the left and right sides of the door beam. The filter tank is abutted against the top side of the bottom plate, a plurality of filter holes are provided on the outer periphery of the filter tank, first through holes for the gate to pass through are respectively provided on the left and right sides of the filter tank, the first through holes are communicated with the slot of the slide slot, a second through hole for the gate to pass through is provided on the upper side of the filter tank, the slot of the filter tank is abutted against the bottom plate and communicated with the clamping slot, the gate is abutted against the hole walls of the first through hole and the second through hole, a mud guard assembly is provided on the clamping slot, and when the gate rises, the mud guard assembly closes the clamping slot.

[0007] Optionally, the mud guard assembly includes a telescopic cover and an elastic member, the telescopic cover is arranged on the top surface of the base plate, the telescopic cover is arranged at the notch of the snap-in groove, an elastic member is arranged between the telescopic cover and the bottom of the snap-in groove, and the telescopic cover is contracted or expanded in the vertical direction through the elastic member.

[0008] Optionally, the elastic member includes a vertically arranged telescopic rod and a telescopic spring, one end of the telescopic rod is connected to the bottom of the clamping groove, the other end of the telescopic rod is abutted against the telescopic cover, the telescopic spring is sleeved on the outer periphery of the telescopic rod, one end of the telescopic spring is connected to the clamping groove, and the other end of the telescopic spring is connected to the telescopic rod.

[0009] Optionally, a plurality of elastic members are provided, and the plurality of elastic members are evenly spaced apart along the length direction of the clamping groove.

[0010] Optionally, the aperture of the first through hole is larger than the width of the sliding groove.

[0011] Optionally, the length of the first through hole is greater than the length of the sliding groove.

[0012] The beneficial effects of the utility model are as follows: when the gate rises, the filter tank filters impurities and garbage in the water passing through the gate, reducing the possibility of impurities in the water entering the slide slot; the elastic member lifts the telescopic cover, the telescopic cover expands, and the clamping groove is closed, reducing the occurrence of silt and impurities entering the clamping groove; when the gate descends, the bottom of the gate presses the elastic member to shrink the telescopic cover, and the gate and the telescopic cover enter the clamping groove, improving the sealing of the valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the filter tank of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the utility model after the filter tank is hidden;

[0016] Figure 4 It is a cross-sectional view of the bottom plate of the utility model.

[0017] The numbers and names in the figure correspond to each other as follows: 11, bottom plate; 12, door beam; 13, gate; 14, lifting structure; 15, slide groove; 16, slider; 17, snap-in groove; 18, snap-in block; 2, filter groove; 21, filter hole; 22, first through hole; 23, second through hole; 4, telescopic cover; 5, elastic member; 51, telescopic rod; 52, telescopic spring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 , the utility model provides a technical solution:

[0020] A hydraulic lifting valve comprises a bottom plate 11, a door beam 12 installed on the upper side of the bottom plate 11, a gate 13 installed on the inner wall of the door beam 12, and a lifting structure 14 for driving the gate 13 to lift and lower. The left and right walls of the door beam 12 are provided with slide grooves 15 extending in the vertical direction, and the notches of the two slide grooves 15 are arranged oppositely. The left and right sides of the gate 13 are fixedly connected with sliders 16 adapted to the slide grooves 15. The top side of the bottom plate 11 is provided with a clamping groove 17 opening upward, and the bottom side of the door beam 12 is fixedly connected with a clamping block 18 adapted to the clamping groove 17. A filter tank 2 opening downward is provided between the left and right walls of the door beam 12, and the left and right sides of the filter tank 2 and the bottom The sides are respectively abutted with the left and right sides of the door beam 12 and the top side of the bottom plate 11 and are detachably connected by bolts. A plurality of filter holes 21 are evenly spaced on the outer periphery of the filter tank 2. First through holes 22 for the gate 13 to pass through are respectively provided on the left and right sides of the filter tank 2. The first through holes 22 are connected to the notch of the slide 15. A second through hole 23 for the gate 13 to pass through is provided on the upper side of the filter tank 2. A third through hole for the clamping block 18 to pass through is provided on the lower side of the filter tank 2. The gate 13 abuts against the hole walls of the first through hole 22 and the second through hole 23. The aperture of the first through hole 22 is larger than the width of the notch of the slide 15, and the length of the first through hole 22 is larger than the length of the slide 15.

[0021] A mud guard assembly is provided on the clamping groove 17. When the gate 13 rises, the mud guard assembly closes the opening of the clamping groove 17. The mud guard assembly includes a telescopic cover 4 and an elastic member 5. The telescopic cover 4 is provided at the opening of the clamping groove 17. The telescopic cover 4 is fixedly connected to the top surface of the bottom plate 11. An elastic member 5 is provided between the telescopic cover 4 and the bottom of the clamping groove 17. The telescopic cover 4 is contracted or expanded in the vertical direction through the elastic member 5.

[0022] The elastic member 5 includes a vertically arranged telescopic rod 51 and a telescopic spring 52, one end of the telescopic rod 51 is fixedly connected to the middle part of the bottom width direction of the clamping groove 17, the other end of the telescopic rod 51 abuts against the telescopic cover 4, the telescopic spring 52 is sleeved on the outer periphery of the telescopic rod 51, one end of the telescopic spring 52 is fixedly connected to the bottom of the clamping groove 17, the other end of the telescopic spring 52 is fixedly connected to the outer periphery of the telescopic rod 51, and a plurality of elastic members 5 are provided, and the plurality of elastic members 5 are evenly spaced along the length direction of the clamping groove 17.

[0023] When the gate 13 rises, the telescopic spring 52 changes from a compressed state to a free state, the telescopic spring 52 drives the telescopic rod 51 to extend, the telescopic rod 51 lifts the telescopic cover 4 to extend the telescopic cover 4, and reduces the occurrence of silt in the water entering the clamping groove 17; when the gate 13 descends, the gate 13 compresses the telescopic rod 51, the telescopic rod 51 shortens, the telescopic spring 52 changes from a free state to a compressed state, the telescopic rod 51 drives the telescopic cover 4 to enter the clamping groove 17, and improves the sealing performance of the valve.

[0024] Finally, it should be noted that the above are only preferred examples of the utility model and are not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A hydraulic lifting valve, comprising a bottom plate (11), a door beam (12) mounted on the upper side of the bottom plate (11), a gate (13) mounted on the inner wall of the door beam (12), and a lifting structure (14) for driving the gate (13) to lift and lower, wherein the left and right walls of the door beam (12) are provided with sliding grooves (15), the left and right side surfaces of the gate (13) are provided with sliders (16) adapted to the sliding grooves (15), the top side of the bottom plate (11) is provided with a clamping groove (17), the bottom side of the door beam (12) is provided with a clamping block (18) adapted to the clamping groove (17), and the characteristic is that: A filter groove (2) opening downward is arranged between the left and right walls of the door beam (12); the left and right sides and the bottom side of the filter groove (2) are respectively in contact with the left and right sides of the door beam (12) and the top side of the bottom plate (11); a plurality of filter holes (21) are arranged on the outer periphery of the filter groove (2); the left and right sides of the filter groove (2) are respectively provided with first through holes (22) for the gate (13) to pass through; the first through holes (22) and the notch of the slide groove (15) are respectively connected to each other. The filter tank (2) is provided with a second through hole (23) on the upper side thereof for the gate (13) to pass through; the notch of the filter tank (2) abuts against the bottom plate (11) and is connected to the clamping groove (17); the gate (13) abuts against the hole walls of the first through hole (22) and the second through hole (23); a mud guard assembly is provided on the clamping groove (17); when the gate (13) rises, the mud guard assembly closes the opening of the clamping groove (17).

2. A hydraulic lift valve according to claim 1, characterized in that: The mud guard assembly comprises a telescopic cover (4) and an elastic member (5); the telescopic cover (4) is arranged on the top surface of the bottom plate (11); the telescopic cover (4) is arranged at the notch of the clamping groove (17); an elastic member (5) is arranged between the telescopic cover (4) and the bottom of the clamping groove (17); the telescopic cover (4) is contracted or expanded in the vertical direction by the elastic member (5).

3. A hydraulic lift valve according to claim 2, characterized in that: The elastic member (5) comprises a telescopic rod (51) and a telescopic spring (52) arranged vertically, one end of the telescopic rod (51) is connected to the bottom of the clamping groove (17), the other end of the telescopic rod (51) is in contact with the telescopic cover (4), the telescopic spring (52) is sleeved on the outer periphery of the telescopic rod (51), one end of the telescopic spring (52) is connected to the clamping groove (17), and the other end of the telescopic spring (52) is connected to the telescopic rod (51).

4. A hydraulic lift valve according to claim 2, characterized in that: A plurality of elastic members (5) are provided, and the plurality of elastic members (5) are evenly spaced along the length direction of the clamping groove (17).

5. A hydraulic lift valve according to claim 1, characterized in that: The diameter of the first through hole (22) is greater than the width of the slot of the slide groove (15).

6. A hydraulic lift valve according to claim 1, characterized in that: The length of the first through hole (22) is greater than the length of the sliding groove (15).

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