Layered canal head gate

Abstract

The utility model discloses a layered canal head gate which comprises a canal head gate body and is characterized in that a plurality of gate piers are arranged in the canal head gate body, the lower ends of the plurality of gate piers are fixedly connected to the upper surface of the bottom end of the canal head gate body, and an upper layer gate is connected between every two adjacent gate piers in a sliding mode. When riverbed water flow flows through the canal head gate body, the rotating blades located on the front side of the lower-layer gate rotate under the impact action of the water flow, after the rotating blades rotate, the rotating shaft in the middle of the rotating blades rotates along with the rotating ring, and at the moment, the upper end of the eccentric rod on the outer side of the rotating ring rotates around the rotating shaft; the transmission rod connected with the lower end of the eccentric rod and the sliding arm do reciprocating motion in the vertical direction, while the sliding arm reciprocates up and down, the inclined scraper located on the inner side of the sliding arm can scrape silt and impurities on the outer surface of the lower-layer gate, and it is prevented that water filtering holes in the surface of the lower-layer gate are covered by silt and other impurities, and water flow passing is affected.

Description

Technical Field

[0001] The utility model relates to a canal head gate, in particular to a layered canal head gate. Background Art

[0002] The head gate is an important part of water conservancy projects. It is usually located at the beginning of a channel or water system. Its main function is to control and regulate water flow to meet the needs of irrigation, water supply, power generation, shipping, etc. The head gate adjusts the water level by opening or closing to ensure that the water flow can be directed to the designated area as required.

[0003] The prior art, such as the application number: CN202320888601.5, discloses a layered head gate that is easy to operate, belonging to the field of head gate technology, which includes a dam body, the surface of which is respectively provided with a first-layer drain port, a second-layer drain port and a third-layer drain port, and movable grooves are provided on the relative inner walls of the first-layer drain port, the second-layer drain port and the third-layer drain port, and the interiors of the three movable grooves are respectively movably connected with a first gate, a second gate and a third gate. Its beneficial effect is that by setting a first motor, a second motor and a third motor, the threaded column with the first motor, the second motor or the third motor is rotated, the threaded column is movable inside the threaded hole, the first gate, the second gate or the third gate is movable on the surface of the threaded column, and the sliding rod is movable inside the sliding hole, so that the first drain port, the second drain port or the third drain port can be opened easily, and the water source with different sand content can be discharged in layers according to needs, and the structure is simple and the application is flexible;

[0004] Another existing technology is CN201120338488.0, a layered channel head gate

[0005] CN201620419883.4, A canal head gate suitable for rotation irrigation

[0006] CN201621260778.7, a self-opening lightweight gate device suitable for irrigation

[0007] However, the above typical and existing technologies still have certain problems when used:

[0008] In hydraulic engineering projects, the river channels usually contain impurities such as silt. Although some layered head gates are equipped with corresponding filtering structures to filter the water flowing through the head gates, as the number of filtration increases, some impurities such as silt will adhere to the gate surface, affecting the gate's filtering effect on the riverbed water flow. Utility Model Content

[0009] The purpose of the utility model is to provide a layered channel head gate to solve the problems raised in the above background technology.

[0010] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a layered channel head gate, including a channel head gate body, a plurality of gate piers are arranged inside the channel head gate body, the lower ends of the plurality of gate piers are fixedly connected to the upper surface of the bottom end of the channel head gate body, an upper gate is slidably connected between two adjacent gate piers, a lower gate is arranged on the front side of the plurality of gate piers, the lower gate is fixedly connected to the channel head gate body, a hydraulic cleaning mechanism is arranged on the front side of the lower gate, the hydraulic cleaning mechanism includes a rotating shaft, a rotating blade, a fixed plate, a rotating ring and a sliding arm, and the number of the sliding arms is set to two The two sliding arms are slidably connected to the head gate body, the inner sides of the two sliding arms are fixedly connected with oblique scrapers, and the ends of the oblique scrapers away from the sliding arms are fitted on the outer side of the lower gate, the front side of the sliding arm is fixedly connected to the inner side of the transmission rod, the inner side of the upper end of the transmission rod is rotatably connected with an eccentric rod, and the end of the eccentric rod away from the transmission rod is rotatably connected to the outer side of the rotating ring, the inner side of the rotating ring is fixedly connected with a rotating shaft, the rotating shaft passes through a plurality of fixed plates, the fixed plates are fixedly connected to the gate pier, and the outer surface of the rotating shaft is fixedly connected with a plurality of rotating blades;

[0011] A gate lifting mechanism is arranged above the upper gate, and the gate lifting mechanism includes a support plate, a transmission shaft, a fixed retaining ring, a lifting steel cable and a breast wall. The breast wall is fixedly connected to the upper surface of the head gate body, and support plates are fixedly connected to the left and right sides of the upper surface of the breast wall. A transmission shaft is rotatably connected between the left and right support plates, and a plurality of fixed retaining rings are fixedly connected to the outer surface of the transmission shaft. A lifting rope is arranged between two adjacent fixed retaining rings, and the lifting steel cable is wound around the outer surface of the transmission shaft, and the lower end of the lifting steel cable is fixedly connected to the upper surface of the upper gate.

[0012] As a preferred technical solution of the utility model, a motor is arranged on the outer side of the support plate, and the output end of the motor is drivingly connected to the transmission shaft.

[0013] As a preferred technical solution of the utility model, the oblique scraper is made of stainless steel.

[0014] As a preferred technical solution of the utility model, a water level switch is provided on the inner surface of the head gate body.

[0015] As a preferred technical solution of the present utility model, the water level switch is electrically connected to the motor.

[0016] As a preferred technical solution of the utility model, a plurality of water filtering holes are provided inside the lower gate.

[0017] As a preferred technical solution of the utility model, a through groove is provided on the upper surface of the breast wall.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The utility model is provided with a hydraulic cleaning mechanism. When the riverbed water flows through the head gate body, the rotating blades located in front of the lower gate generate a rotating motion under the impact of the water flow. After the rotating blades rotate, the rotating shaft in the middle of the rotating blades rotates together with the rotating ring. At this time, the upper end of the eccentric rod on the outer side of the rotating ring rotates around it, and the transmission rod connected to the lower end of the eccentric rod reciprocates in the vertical direction together with the sliding arm. While the sliding arm reciprocates up and down, the oblique scraper located on the inner side of the sliding arm can scrape off the silt and impurities on the outer surface of the lower gate, so as to prevent the water filter holes on the surface of the lower gate from being covered by silt and other impurities and affecting the water flow;

[0020] 2. The utility model is provided with a gate lifting mechanism. When adjusting the height of the upper valve to control the flow of riverbed water, the transmission shaft can be controlled by a motor to rotate clockwise. After the transmission shaft rotates clockwise, the lifting cable can be wound around the transmission surface, so that multiple upper gates in the head gate body can be moved up synchronously, thereby increasing the water inflow through the head gate. Conversely, the transmission shaft can be controlled by the motor to rotate counterclockwise, so that multiple upper gates can be moved down to close the water inlet position of the head gate and prevent riverbed water from passing through the head gate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the right side structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the left structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the utility model from an oblique downward perspective;

[0024] Figure 4 For this utility model Figure 3 A is an enlarged view of the middle image.

[0025] In the figure: 1. head gate body; 2. gate pier; 3. upper gate; 4. lower gate; 5. water filter hole; 6. gate lifting mechanism; 601. support plate; 602. transmission shaft; 603. fixed retaining ring; 604. lifting cable; 605. motor; 606. water level switch; 607. breast wall; 7. hydraulic cleaning mechanism; 701. rotating shaft; 702. rotating blade; 703. fixed plate; 704. rotating ring; 705. eccentric rod; 706. transmission rod; 707. sliding arm; 708. oblique scraper. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-4 The utility model provides a technical solution for a layered channel head gate:

[0028] Embodiment 1:

[0029] according to Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a layered channel head gate comprises a channel head gate body 1, a plurality of gate piers 2 are arranged inside the channel head gate body 1, the lower ends of the plurality of gate piers 2 are fixedly connected to the upper surface of the bottom end of the channel head gate body 1, an upper gate 3 is slidably connected between two adjacent gate piers 2, a lower gate 4 is arranged on the front side of the plurality of gate piers 2, the lower gate 4 is fixedly connected to the channel head gate body 1, a hydraulic cleaning mechanism 7 is arranged on the front side of the lower gate 4, the hydraulic cleaning mechanism 7 comprises a rotating shaft 701, a rotating blade 702, a fixed plate 703, a rotating ring 704 and a sliding arm 707, the number of the sliding arms 707 is set to two, and the two sliding arms 707 are slidably connected to the channel head gate body 1, the inner sides of the two sliding arms 707 are fixedly connected with oblique scrapers 708, the rear ends of the oblique scrapers 708 are obliquely downward, and the oblique scrapers 708 are inclined downward. The end of the scraper 708 away from the sliding arm 707 is fitted and arranged on the outside of the lower gate 4, the front side of the sliding arm 707 is fixedly connected to the inside of the transmission rod 706, the inner side of the upper end of the transmission rod 706 is rotatably connected with an eccentric rod 705, the end of the eccentric rod 705 away from the transmission rod 706 is rotatably connected to the outside of the rotating ring 704, the inner side of the rotating ring 704 is fixedly connected with a rotating shaft 701, the rotating shaft 701 passes through a plurality of fixed plates 703, the fixed plates 703 are fixedly connected to the gate pier 2, and a plurality of rotating blades 702 are fixedly connected to the outer surface of the rotating shaft 701. The oblique scraper 708 is made of stainless steel, and a plurality of water filtering holes 5 are opened inside the lower gate 4. The water flow in the lower layer of the riverbed is filtered through the lower gate 4 and flows through the water inlet position between the upper gate 3 and the head gate body 1.

[0030] During specific use, the utility model provides a layered head gate. When the riverbed water flows through the head gate body 1, the rotating blade 702 located on the front side of the lower gate 4 generates a rotational motion under the impact of the water flow. After the rotating blade 702 rotates, the rotating shaft 701 in the middle of the rotating blade 702 rotates together with the rotating ring 704. At this time, the upper end of the eccentric rod 705 on the outer side of the rotating ring 704 rotates around it, and the transmission rod 706 connected to the lower end of the eccentric rod 705 reciprocates in the vertical direction together with the sliding arm 707. While the sliding arm 707 reciprocates up and down, the oblique scraper 708 located on the inner side of the sliding arm 707 can scrape off the silt and impurities on the outer surface of the lower gate 4 to prevent the water filter holes 5 on the surface of the lower gate 4 from being covered by silt and other impurities that affect the flow of water.

[0031] Embodiment 2:

[0032] On the basis of the first embodiment, Figure 1 and Figure 2 As shown, a gate lifting mechanism 6 is arranged above the upper gate 3, and the gate lifting mechanism 6 includes a support plate 601, a transmission shaft 602, a fixed retaining ring 603, a lifting cable 604 and a breast wall 607. The breast wall 607 is fixedly connected to the upper surface of the head gate body 1, and the left and right sides of the upper surface of the breast wall 607 are fixedly connected to the support plate 601, and the transmission shaft 602 is rotatably connected between the left and right support plates 601. A plurality of fixed retaining rings 603 are fixedly connected to the outer surface of the transmission shaft 602, and a lifting rope is arranged between two adjacent fixed retaining rings 603. The lifting cable 604 is wound around the transmission shaft 601. The outer surface of the shaft 602, and the lower end of the lifting cable 604 is fixedly connected to the upper surface of the upper gate 3, a motor 605 is arranged on the outer side of the support plate 601, and the output end of the motor 605 is transmission-connected to the transmission shaft 602, and a water level switch 606 is arranged on the inner surface of the head gate body 1, and the water level switch 606 is electrically connected to the motor 605. When the water level of the riverbed exceeds the water level switch 606, the water level switch 606 can trigger the motor 605 to work, so that the transmission shaft 602 rotates clockwise, so that multiple upper gates 3 move up, which is used to realize automatic increase of riverbed water inflow, and a through groove is opened on the upper surface of the breast wall 607.

[0033] During specific use, the utility model provides a layered head gate. When adjusting the height of the upper valve to control the flow rate of riverbed water, the transmission shaft 602 can be controlled by the motor 605 to rotate clockwise. After the transmission shaft 602 rotates clockwise, the lifting cable 604 can be wound around the transmission surface, so that the multiple upper gates 3 in the head gate body 1 can be moved up synchronously, thereby increasing the water flow rate through the head gate. Conversely, the transmission shaft 602 can be controlled by the motor 605 to rotate counterclockwise, so that the multiple upper gates 3 can be moved down, which is used to close the water inlet position of the head gate and prevent riverbed water from passing through the head gate.

[0034] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0035] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0036] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] In the present utility model, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description of reference terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more schemes or examples.

Claims

1. A layered channel head gate, comprising a channel head gate body (1), characterized in that: A plurality of gate piers (2) are arranged inside the head gate body (1), the lower ends of the plurality of gate piers (2) are fixedly connected to the upper surface of the bottom end of the head gate body (1), an upper gate (3) is slidably connected between two adjacent gate piers (2), a lower gate (4) is arranged on the front side of the plurality of gate piers (2), the lower gate (4) is fixedly connected to the head gate body (1), a hydraulic cleaning mechanism (7) is arranged on the front side of the lower gate (4), the hydraulic cleaning mechanism (7) comprises a rotating shaft (701), a rotating blade (702), a fixed plate (703), a rotating ring (704) and a sliding arm (707), the number of the sliding arms (707) is set to two, and the two sliding arms (707) are slidably connected to the head gate body (1), and the two sliding arms The inner side of each of the sliding arms (707) is fixedly connected with an inclined scraper (708), and one end of the inclined scraper (708) away from the sliding arm (707) is arranged on the outer side of the lower gate (4). The front side of the sliding arm (707) is fixedly connected to the inner side of the transmission rod (706). The inner side of the upper end of the transmission rod (706) is rotatably connected with an eccentric rod (705). One end of the eccentric rod (705) away from the transmission rod (706) is rotatably connected to the outer side of the rotating ring (704). The inner side of the rotating ring (704) is fixedly connected with a rotating shaft (701), and the rotating shaft (701) passes through a plurality of fixed plates (703). The fixed plates (703) are fixedly connected to the gate pier (2). The outer surface of the rotating shaft (701) is fixedly connected with a plurality of rotating blades (702); A gate lifting mechanism (6) is arranged above the upper gate (3), and the gate lifting mechanism (6) comprises a support plate (601), a transmission shaft (602), a fixed retaining ring (603), a lifting steel cable (604) and a breast wall (607). The breast wall (607) is fixedly connected to the upper surface of the head gate body (1). The upper surface of the breast wall (607) is fixedly connected to support plates (601) on both left and right sides. A transmission shaft (602) is rotatably connected between the left and right support plates (601). A plurality of fixed retaining rings (603) are fixedly connected to the outer surface of the transmission shaft (602). A lifting rope is arranged between two adjacent fixed retaining rings (603). The lifting steel cable (604) is wound around the outer surface of the transmission shaft (602), and the lower end of the lifting steel cable (604) is fixedly connected to the upper surface of the upper gate (3).

2. A layered channel head gate according to claim 1, characterized in that: A motor (605) is disposed outside the support plate (601), and an output end of the motor (605) is drivingly connected to a transmission shaft (602).

3. A layered channel head gate according to claim 1, characterized in that: The oblique scraper (708) is made of stainless steel.

4. A layered channel head gate according to claim 1, characterized in that: A water level switch (606) is provided on the inner surface of the head gate body (1).

5. A layered channel head gate according to claim 4, characterized in that: The water level switch (606) is electrically connected to the motor (605).

6. A layered channel head gate according to claim 1, characterized in that: A plurality of water filtering holes (5) are provided inside the lower gate (4).

7. A layered channel head gate according to claim 1, characterized in that: A through groove is formed on the upper surface of the breast wall (607).

Images