CN218952114U

CN218952114U - Closed river sluice

Info

Publication number: CN218952114U
Application number: CN202223233857.7U
Authority: CN
Inventors: 毛生龙; 耿扬; 李辉辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-05-02
Anticipated expiration: 2032-12-01

Abstract

The utility model provides a closed river sluice, which comprises a door frame, wherein a U-shaped chute is arranged at the lower part of the inner side of the door frame; the opening part of the middle part of the upper part of the door frame is connected with a direct-connection screw hoist through bolts, and the internal thread of the direct-connection screw hoist is connected with a lifting screw, wherein the lower end of the lifting screw is integrally connected with a first U-shaped mounting seat, and the friction-free lifting gate structure is characterized in that the inner side of a U-shaped chute is slidably arranged. According to the lifting gate, the second U-shaped mounting seat, the connecting plate, the idler wheels, the fixed guide plate, the first arc-shaped groove and the second arc-shaped groove are arranged, so that the hydraulic sealing effect is realized, and the sealing performance of the water gate can be effectively improved.

Description

Closed river sluice

Technical Field

The utility model belongs to the technical field of sluice gates, and particularly relates to a closed river sluice gate.

Background

The sluice is a low-head hydraulic building which is built on river channels and utilizes the sluice to control flow and regulate water level. The gate can be closed to block flood, damp or raise the upstream water level so as to meet the requirements of irrigation, power generation, shipping, aquatic products, environmental protection, industrial and domestic water and the like; the gate is opened, so that flood, waterlogging, water disposal or waste water can be released, and water can be supplied to downstream river channels or channels. In hydraulic engineering, the sluice is as manger plate, sluicing or the building of water intaking, and the application is extensive, and publication number CN 215948110U's a hydraulic engineering high leakproofness sluice, including the bottom plate, the vertical welding of both ends symmetry has the curb plate about the bottom plate upper surface, and bottom plate upper surface intermediate position is equipped with the mounting groove, and two curb plate relative facial symmetries are equipped with spacing spout, and two curb plate top joint horizontal welding has the roof, be equipped with drive mechanism on the roof, the drive mechanism bottom is equipped with the gate, and this sluice still has some problems in the in-process of using, like: when the gate is closed, river water may flow through the gap between the slide plate and the side plate, and the sealing performance is poor.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a closed river sluice, which can realize the effect of hydraulic sealing.

The technical scheme is as follows: the closed river sluice comprises a door frame, wherein a U-shaped chute is arranged at the lower part of the inner side of the door frame; the opening part of the middle part of the upper part of the door frame is connected with a direct-connection screw hoist through bolts, and the internal thread of the direct-connection screw hoist is connected with a lifting screw, wherein the lower end of the lifting screw is integrally connected with a first U-shaped mounting seat, and the friction-free lifting gate structure is characterized in that the inner side of a U-shaped chute is slidably arranged.

Preferably, the friction-free lifting gate structure comprises a lifting gate, and the lifting gate is slidably arranged in the U-shaped chute; the middle part of the upper part of the lifting gate is connected with a second U-shaped mounting seat through bolts; the four corners of the front part of the lifting gate are respectively connected with idler wheels through bolts; the left side and the right side of the front side inside the door frame are respectively and longitudinally connected with a fixed guide plate through bolts, and the fixed guide plates are positioned at the front side of the U-shaped chute; the outer sides of the rear lower parts of the fixed guide plates are respectively provided with a first arc-shaped groove; the inner sides of the rear lower parts of the fixed guide plates are respectively provided with a second arc-shaped groove; the rollers on the upper side are all arranged on the inner side of the first arc-shaped groove; the rollers at the lower side are all arranged at the inner side of the second arc-shaped groove.

Preferably, a connecting plate is arranged on the inner side of the second U-shaped mounting seat, one end of the connecting plate is connected with the middle upper side in the second U-shaped mounting seat in a shaft way, and the other end of the connecting plate is connected with the middle lower side in the first U-shaped mounting seat in a shaft way; the first U-shaped mounting seat is positioned at the front side of the second U-shaped mounting seat.

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

1. according to the utility model, the lifting gate, the second U-shaped mounting seat, the connecting plate, the idler wheels, the fixed guide plate, the first arc-shaped groove and the second arc-shaped groove are arranged, so that the hydraulic sealing effect is realized, and the tightness of the sluice can be effectively improved.

Drawings

Fig. 1 is a schematic front view of the present utility model.

Fig. 2 is a rear cross-sectional view of the present utility model.

Fig. 3 is a schematic structural view of the friction-free lifting gate structure of the present utility model.

In the figure:

1. a door frame; 2. a U-shaped chute; 3. a direct-connection screw hoist; 4. lifting screw rods; 5. the first U-shaped mounting seat; 6. a sealing layer; 7. a friction-free lifting gate structure; 71. a lifting gate; 72. the second U-shaped mounting seat; 73. a connecting plate; 74. a roller; 75. fixing the guide plate; 76. a first arcuate recess; 77. and a second arc-shaped groove.

Detailed Description

The utility model is specifically described below with reference to the accompanying drawings, as shown in fig. 1, a closed river sluice comprises a door frame 1, wherein a U-shaped chute 2 is arranged at the lower part of the inner side of the door frame 1; the upper middle part of the door frame 1 is connected with a direct screw hoist 3 through bolts, and the internal thread of the direct screw hoist 3 is connected with a lifting screw 4, wherein the lower end of the lifting screw 4 is integrally connected with a first U-shaped mounting seat 5.

The airtight river sluice further comprises a friction-free lifting gate structure 7, and the friction-free lifting gate structure 7 is slidably arranged on the inner side of the U-shaped chute 2, so that the hydraulic sealing function is realized.

In this embodiment, as shown in fig. 2, a sealing layer 6 is glued to the inner rear portion of the U-shaped chute 2.

In this embodiment, referring to fig. 3, the friction-free lifting gate structure 7 includes a lifting gate 71, where the lifting gate 71 is slidably disposed inside the U-shaped chute 2; the middle part of the upper part of the lifting gate 71 is connected with a second U-shaped mounting seat 72 through bolts; the four corners of the front part of the lifting gate 71 are respectively connected with idler wheels 74 by bolts; the left side and the right side of the front side inside the door frame 1 are respectively and longitudinally connected with a fixed guide plate 75 through bolts, and the fixed guide plates 75 are positioned at the front side of the U-shaped chute 2; the outer sides of the rear lower parts of the fixed guide plates 75 are respectively provided with a first arc-shaped groove 76; the inner sides of the rear lower parts of the fixed guide plates 75 are respectively provided with a second arc-shaped groove 77; the rollers 74 are all arranged on the inner side of the first arc-shaped groove 76; the rollers 74 are disposed on the underside of the second arcuate recess 77.

In this embodiment, specifically, a connecting plate 73 is disposed inside the second U-shaped mounting seat 72, and one end of the connecting plate 73 is pivotally connected to the middle upper side inside the second U-shaped mounting seat 72, and the other end is pivotally connected to the middle lower side inside the first U-shaped mounting seat 5; when the lifting gate 71 needs to be closed, an operator can control the direct screw headstock gear 3 to start through an external control panel, so that the direct screw headstock gear 3 drives the first U-shaped mounting seat 5 to move downwards through the lifting screw 4, the lifting gate 71 moves downwards under the action of dead weight, the roller 74 rolls on the rear part of the fixed guide plate 75 in the process of moving the lifting gate 71 downwards, when the roller 74 enters the first arc-shaped groove 76 and the second arc-shaped groove 77 respectively, the distance between the lifting gate 71 and the fixed guide plate 75 is shortened, the lifting gate 71 is also contacted with the sealing layer 6, the lifting gate 71 is subjected to forward thrust due to the action of water pressure, the lifting gate 71 is closely attached to the sealing layer 6 at the moment, and water flow is cut off due to the fact that the lifting gate 71 and the U-shaped sliding groove 2 are sealed through the sealing layer 6, so that the problem of water gate leakage phenomenon can be effectively avoided.

In this embodiment, the rollers 74 are specifically oriented stainless steel rollers.

In this embodiment, specifically, two stainless steel plates with rectangular longitudinal sections are used as the fixing guide plate 75.

In this embodiment, specifically, the sealing layer 6 is a rubber layer, which serves to seal the gap between the lifting gate 71 and the U-shaped chute 2.

In this embodiment, specifically, the direct-connection screw hoist 3 is a QLZ-5T direct-connection screw hoist, and the direct-connection screw hoist 3 is electrically connected with an external control panel, when the direct-connection screw hoist 3 is started, the direct-connection screw hoist 3 drives the lifting screw 4 to move up or down, and the lifting screw 4 drives the lifting gate 71 to lift through the first U-shaped mounting seat 5, the connecting plate 73 and the second U-shaped mounting seat 72.

In this embodiment, as shown in fig. 1 and 3, when installing the door frame 1 in the river, the operator needs to make the rear side of the lifting gate 71 face upstream and the front side of the lifting gate 71 face downstream, and when the roller 74 is located inside the first arc-shaped groove 76 and the second arc-shaped groove 77, the lifting gate 71 will be tightly attached to the sealing layer 6 due to the action of the water pressure, and the water flow on the upstream of the river cannot flow downstream, and the water gate will not leak, so that the sealing performance of the water gate can be effectively improved; when lifting the lifting gate 71 upwards, the rollers 74 move out from the inner sides of the first arc-shaped grooves 76 and the second arc-shaped grooves 77 and roll on the fixed guide plate 75, at this time, the distance between the lifting gate 71 and the fixed guide plate 75 is increased, and the lifting gate 71 is separated from the sealing layer 6 and kept at a certain distance, so that the friction problem between the sealing layer 6 and the lifting gate 71 can be effectively avoided, and the service life of the sluice can be effectively prolonged.

Principle of operation

In the utility model, when the lifting gate 71 needs to be closed, an operator can control the direct-connection screw hoist 3 to start through an external control panel, so that the direct-connection screw hoist 3 drives the first U-shaped mounting seat 5 to move downwards through the lifting screw 4, the lifting gate 71 moves downwards under the action of dead weight, the roller 74 rolls at the rear part of the fixed guide plate 75 in the downward moving process of the lifting gate 71, when the roller 74 respectively enters the first arc-shaped groove 76 and the second arc-shaped groove 77, the distance between the lifting gate 71 and the fixed guide plate 75 is shortened, the lifting gate 71 is also contacted with the sealing layer 6, the lifting gate 71 is pushed forward under the action of water pressure, the lifting gate 71 is clung to the sealing layer 6 at the moment, and water flow is cut off, and the lifting gate 71 and the U-shaped sliding groove 2 are sealed through the sealing layer 6, so that the problem of water gate leakage can be effectively avoided.

By using the technical scheme of the utility model or under the inspired by the technical scheme of the utility model, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical effects fall into the protection scope of the utility model.

Claims

1. The closed river sluice comprises a door frame (1), wherein a U-shaped chute (2) is arranged at the lower part of the inner side of the door frame (1); the novel lifting gate is characterized in that a friction-free lifting gate structure (7) is slidably arranged on the inner side of the U-shaped chute (2).

2. The closed river sluice according to claim 1, characterized in that the inner rear part of the U-shaped chute (2) is glued with a sealing layer (6).

3. The airtight type river course sluice according to claim 1, wherein the said friction-free lift gate structure (7) includes the lift gate (71), the lift gate (71) is slipped and set up in the inside of the U-shaped chute (2); the middle part of the upper part of the lifting gate (71) is connected with a second U-shaped mounting seat (72) through bolts; the four corners of the front part of the lifting gate (71) are respectively connected with idler wheels (74) through bolts; the left side and the right side of the front side inside the door frame (1) are respectively and longitudinally connected with a fixed guide plate (75) through bolts, and the fixed guide plates (75) are positioned at the front side of the U-shaped chute (2); the outer sides of the rear lower parts of the fixed guide plates (75) are respectively provided with a first arc-shaped groove (76); the inner sides of the rear lower parts of the fixed guide plates (75) are respectively provided with a second arc-shaped groove (77); the rollers (74) on the upper side are all arranged on the inner side of the first arc-shaped groove (76); the rollers (74) at the lower side are arranged at the inner sides of the second arc-shaped grooves (77).

4. A closed river sluice according to claim 3, characterised in that the second U-shaped mounting seat (72) is provided with a connecting plate (73) on the inner side, one end of the connecting plate (73) is connected with the middle upper side of the second U-shaped mounting seat (72) in a shaft way, and the other end is connected with the middle lower side of the first U-shaped mounting seat (5) in a shaft way; the first U-shaped mounting seat (5) is positioned at the front side of the second U-shaped mounting seat (72).