CN113737744A - Anti-backflow weir gate with horizontally-arranged oil cylinders - Google Patents

Abstract

The invention relates to a backflow preventing weir gate with a horizontally-arranged oil cylinder, which comprises a weir gate support body, a weir gate main body and an oil cylinder, wherein one end of the weir gate main body is rotationally connected with the bottom of the weir gate support body, the oil cylinder is used for driving the weir gate main body to rotate, the weir gate is characterized by further comprising a guide rod and an oil cylinder support, the output end of the oil cylinder is connected to the other end of the weir gate main body through the guide rod, the oil cylinder support is horizontally arranged on the upper inner wall of an installation position, and the guide rod is rotationally connected with the oil cylinder and the weir gate main body. Compared with the prior art, the weir gate is horizontally installed through the guide rod, so that the height requirement on the installation space is reduced, and the installation working condition adaptability of the weir gate is improved.

Description

Anti-backflow weir gate with horizontally-arranged oil cylinders

Technical Field

The invention relates to drainage engineering, in particular to a backflow preventing weir gate with a horizontally-arranged oil cylinder.

Background

At present, hydraulic rotary weir gates produced at home and abroad generally adopt a whole solid plate as a door body, and channel steel is welded on the back of the door body for strengthening support;

for example, chinese patent CN104131537A discloses a hydraulic rotary weir gate, which comprises a door plate, and further comprises an oil cylinder, wherein the fixed end of the oil cylinder is fixed on the flow channel substrate, and the driving end is hinged with the end face of the door plate; the runner base body is provided with a mounting seat, and the mounting seat is provided with a rotating shaft; the bottom of the door panel is rotationally connected with the rotating shaft; the two sides of the door plate are in contact sealing with the side wall of the flow channel matrix. Then the weir gate oil cylinder is installed obliquely to drive the circumferential motion of the weir gate, so that a larger installation space is needed; in addition, the hydraulic rotary weir gate adopts a wall-attachment installation mode, so that high requirements are imposed on the flatness and the strength of an installation surface.

Disclosure of Invention

The invention aims to provide a backflow preventing weir gate with a horizontally-arranged oil cylinder, which is horizontally installed through a guide rod, so that the height requirement on an installation space is reduced.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a prevent flowing backward weir gate that hydro-cylinder level was placed, rotates the weir gate main part of being connected including weir gate supporter, one end and weir gate supporter bottom to and be used for driving weir gate main part pivoted hydro-cylinder, a serial communication port, the weir gate still includes guide arm and hydro-cylinder support, the output of hydro-cylinder is connected to the other end of weir gate main part through the guide arm to through hydro-cylinder support horizontal installation upper inner wall in installation department, the guide arm is connected with the rotation with hydro-cylinder and weir gate main part.

The height difference between the height of the oil cylinder and the highest point of the weir gate support body is not more than 500mm according to the horizontal position.

The oil cylinders and the guide rods are both provided with two oil cylinders, and the two oil cylinders are connected to the weir gate main body through the two guide rods respectively.

The weir gate main part includes that the one end of meeting water shrouding and back of the body water shrouding and two side seal boards are connected with the both ends of a side seal board respectively, and the other end is connected with the both ends of another side seal board respectively and forms a body, still be equipped with the axis of rotation in the door body, this axis of rotation is articulated with the weir gate supporter.

The bottom of the weir gate main body is an acute angle.

The weir gate still includes two weir gate curb plates, two weir gate curb plates with set up respectively in the both sides of weir gate supporter, and the both ends of weir gate main part laminate respectively on two weir gate curb plates.

And a first limiting unit for limiting the lifting height of the weir gate main body is arranged on the weir gate side plate.

The weir gate main part sets up towards the lee side.

The weir gate supporting body is embedded and installed at the installation position.

The weir gate side plate is fan-shaped, and angle steel for improving strength is arranged on the weir gate side plate.

Compared with the prior art, the invention has the following beneficial effects:

1) through the guide rod to realize horizontal installation, thereby reduce the altitude requirement to installation space, improved the installation operating mode adaptability of weir door.

2) The double oil cylinders can ensure that the use requirement of the weir gate can be still met under the condition that the single side of the weir gate is stressed.

3) The bottom of the weir gate main body is an acute angle, so that the lowest stroke of the weir gate is limited, and the supporting force during backflow prevention is improved.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic structural view of a weir gate base in an embodiment of the invention;

fig. 3 is an enlarged schematic view of the junction of the weir crest and the weir crest body;

fig. 4 is a structural schematic diagram of a weir gate side plate.

Fig. 5 is a schematic structural view of a weir gate body in an embodiment of the invention;

FIG. 6 is a side view schematic illustration of the weir gate body;

FIG. 7 is a schematic top view of the weir gate body;

wherein: 1. the weir gate comprises a weir gate base, 2, a weir gate main body, 3, a guide rod, 4, an oil cylinder, 5, a weir gate outer frame, 6, a weir gate side plate, 7, an oil cylinder support, 21, a water-facing seal plate, 22 and a water-backing seal plate.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

A backflow-preventing weir gate with a horizontally-arranged oil cylinder is mainly suitable for being used for adjusting water level and water quantity and preventing backflow in drainage engineering. The weir crest is driven to lift in a mode of rotating along the axis of the bottom of the weir gate by a horizontally arranged hydraulic cylinder, so that the purposes of adjusting the water level and the water quantity are achieved. As shown in fig. 1, the weir gate comprises a weir gate support body, a weir gate main body 2 with one end rotatably connected with the bottom of the weir gate support body, and an oil cylinder 4 for driving the weir gate main body 2 to rotate, and is characterized in that the weir gate further comprises a guide rod 3 and an oil cylinder support 7, the output end of the oil cylinder 4 is connected to the other end of the weir gate main body 2 through the guide rod 3, and is horizontally arranged on the upper inner wall of the installation part through the oil cylinder support 7, and the guide rod 3 is rotatably connected with the oil cylinder 4 and the weir gate main body 2. The oil cylinder 4 is used to drive the weir gate main body 2 to rotate from a fully opened state into a hollow body which is provided in the weir gate support to reduce the opening degree, or to drive the weir gate main body 2 to rotate from a reverse direction to increase the opening degree. The guide rod 3 is connected with the oil cylinder 4 through a bronze alloy bolt.

Through guide arm 3 to realize horizontal installation, thereby reduce the high requirement to installation space, improved the installation operating mode adaptability of the rotatory weir door that surges.

2 bottoms of weir gate main part are the acute angle, thereby the weir gate has the biggest aperture, avoid leading to preventing flowing backward the functional failure because of the weir gate aperture is too big, weir gate main part 2 sets up towards the side of being against the water, set up and control upstream water level and play water flow on the overflow weir, because 2 whole orientation drainage one side of weir gate main part, combine weir gate main part 2 bottoms to be the acute angle structure, the water of drainage one side is if need flow to intake one side, need overcome gravity moment and frictional force moment and other support moment simultaneously, consequently, good effect of preventing flowing backward has.

In this embodiment, the height of hydro-cylinder 4 and the difference in height that is no longer than according to horizontal position and weir gate supporter peak are no longer than 500mm, and in addition, hydro-cylinder 4 and guide arm 3 all are equipped with two, and two hydro-cylinders 4 are connected to weir gate main part 2 through two guide arms 3 respectively, and double oil cylinder 4 can guarantee still can satisfy the operation requirement of weir gate under the condition of weir gate unilateral atress.

The weir gate support body comprises a weir gate base 1 and a weir gate outer frame 5, the weir gate main body 2 is rotatably connected with the weir gate base 1, and the weir gate outer frame 5 is embedded to be installed. The structure of weir gate base 1 is as shown in fig. 2, its junction with weir gate main part 2 is as shown in fig. 3, as shown in fig. 5 ~ 7, weir gate main part 2 includes water-facing shrouding 21, back water shrouding 22 and two side shroudings, the one end of water-facing shrouding 21 and back water shrouding 22 is connected with the both ends of a side shrouding respectively, the other end is connected with the both ends of another side shrouding respectively and is formed a body, still be equipped with the axis of rotation in the door body, this axis of rotation is articulated with weir gate base 1. Weld fixture between water-facing shrouding 21, water-backing shrouding 22 and two side shroudings, be equipped with the fabrication hole that is used for carminative during the welding on the side shrouding, this fabrication hole is by the shutoff unit shutoff after the welding is accomplished, and the mode of bolt cooperation waterstop can be adopted to the shutoff unit. In addition, the weir gate main body 2 is provided with ribs for improving strength. The weir gate main body 2 further comprises a rib plate, the welding face of the rib plate is provided with a clamping portion, the water-facing seal plate 21 is provided with a groove body matched with the shape of the clamping portion, and the clamping portion is welded in the groove body so as to connect the rib plate with the water-facing seal plate 21.

As shown in fig. 4, the weir gate further comprises two weir gate side plates 6, the weir gate side plates 6 are connected with the weir gate base 1 and the weir gate outer frame 5 by two fan-shaped weir gate side plates 6, and are respectively arranged at two ends of the weir gate main body 2, and two ends of the weir gate main body 2 are respectively attached to the two weir gate side plates 6. When the outlet was closed, vertical sealing strip and transverse sealing strip tightly pasted on the limiting plate on weir door curb plate 6, and 6 foraminiferous fan-shaped curb plates to with the angle steel welding, increase structural strength.

Claims (10)

1. The utility model provides a prevent flowing backward weir gate that hydro-cylinder level was placed, rotates weir gate main part (2) of being connected including weir gate supporter, one end and weir gate supporter bottom to and be used for driving weir gate main part (2) pivoted hydro-cylinder (4), its characterized in that, the weir gate still includes guide arm (3) and hydro-cylinder support (7), the output of hydro-cylinder (4) is connected to the other end of weir gate main part (2) through guide arm (3) to inner wall on the installation department through hydro-cylinder support (7) horizontal installation, guide arm (3) are the rotation with hydro-cylinder (4) and weir gate main part (2) and are connected.

2. The anti-backflow weir gate with the horizontally-arranged oil cylinder is characterized in that the height difference between the height of the oil cylinder (4) and the highest point of the weir gate support body according to the horizontal position is not more than 500 mm.

3. The anti-backflow weir gate with the horizontally-arranged oil cylinders is characterized in that two oil cylinders (4) and two guide rods (3) are arranged, and the two oil cylinders (4) are connected to the weir gate main body (2) through the two guide rods (3) respectively.

4. The anti-backflow weir gate with the horizontally-placed oil cylinder is characterized in that the weir gate main body (2) comprises a water-facing sealing plate (21), a back water sealing plate (22) and two side sealing plates, one end of the water-facing sealing plate (21) and one end of the back water sealing plate (22) are respectively connected with two ends of one side sealing plate, the other end of the water-facing sealing plate and one end of the back water sealing plate are respectively connected with two ends of the other side sealing plate to form a gate body, and a rotating shaft is further arranged in the gate body and hinged to the weir gate supporting body.

5. The horizontally-placed anti-backflow weir gate of the oil cylinder as claimed in claim 4, wherein the bottom of the weir gate main body (2) is acute-angled.

6. The anti-backflow weir gate with the horizontally-placed oil cylinder is characterized in that the weir gate further comprises two weir gate side plates (6), the two weir gate side plates (6) are respectively arranged on two sides of the weir gate support body, and two ends of the weir gate main body (2) are respectively attached to the two weir gate side plates (6).

7. The weir gate with the horizontally placed oil cylinder preventing backflow as claimed in claim 6, wherein the weir gate side plate (6) is provided with a first limiting unit for limiting the lifting height of the weir gate main body (2).

8. The horizontally-placed backflow-preventing weir gate of the oil cylinder as claimed in claim 1, wherein the weir gate main body (2) is arranged towards the backwater side.

9. The horizontally-placed backflow-preventing weir gate of the oil cylinder as claimed in claim 1, wherein the weir gate support is installed at the installation position in an embedded manner.

10. The weir gate with the horizontally placed oil cylinder preventing backflow as claimed in claim 6, wherein the weir gate side plate (6) is fan-shaped, and angle steel for improving strength is arranged on the weir gate side plate.

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