Inlet canal gate opening and closing device

Abstract

The utility model belongs to the technical field of water inlet channel gate opening and closing devices, and particularly relates to a water inlet channel gate opening and closing device which comprises a fixing base. An auxiliary device is mounted on the fixed seat; a lifting hole is formed in the end, close to the fixing base, of the top of the fixing block. The bottom of the lifting rod is fixedly connected with a floating plate; a moving block is mounted in the sliding cavity; a rotating roller is rotationally mounted in the rotating groove; a spring is arranged on the pressure sensor; the end part of the spring is connected to the moving block; a rolling groove is formed in the vertical face, close to the sliding cavity, of the lifting rod. A first structural groove is formed in the position, close to the middle of the rod body, of the inner wall face of the rolling groove. The structural acting end of the rotating speed detection mechanism extends out of the outside and is provided with a rotating rod; a rotating plate is mounted outside the section of the rotating rod; through the action of the auxiliary device, the effect of timely regulation and control is achieved, and unnecessary loss caused by hysteresis of operation of the opening and closing device is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of an opening and closing device for a water inlet channel gate, in particular to an opening and closing device for a water inlet channel gate. Background Art

[0002] In some farmlands, in order to ensure the smooth progress of irrigation operations, water inlet channels are used for coordinated operations, and gates are installed at the connection ports of the water inlet channels, and the flow of water is controlled by gate opening and closing devices;

[0003] A Chinese patent with the publication number CN214832468U discloses a gate opening and closing device for farmland water conservancy projects, which belongs to the field of gate technology. A gate opening and closing device for farmland water conservancy projects includes a gate body, a fixed plate is welded on the left wall of the gate body, a screw is threadedly connected to the top surface of the fixed plate, the lower end of the screw is rotatably connected to an equipment frame, an impeller is arranged inside the right side of the equipment frame, a rotating shaft is rotatably connected to the left side of the equipment frame, and a plurality of placement boxes are welded on the outer wall of the rotating shaft in an annular structure, a transmission rod is arranged in the placement box, a salvage plate is welded on the top surface of the placement box, and a collection box is arranged on the rear side of the left end of the equipment frame. By setting the salvage plate, garbage in the flowing water can be salvaged by using the salvage plate, and then by setting the push plate, the garbage on the salvage plate can be pushed to the collection box, so that the garbage in the canal can be salvaged and cleaned, and the dirt in the water flow can be effectively salvaged and cleaned, avoiding the situation where garbage affects the water quality and blockage occurs at the same time, making the device more functional and more practical;

[0004] When the above-mentioned gate opening and closing device is in use, the operator needs to pay attention to the water flow rate at all times and adjust the opening and closing device according to the water flow rate, which makes the operating effect of the opening and closing device have a lag; therefore, an inlet channel gate opening and closing device is proposed to address the above-mentioned problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve some existing problems of the water inlet channel gate opening and closing device, the utility model proposes a water inlet channel gate opening and closing device.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: the utility model discloses an opening and closing device for a water inlet gate, comprising a fixing seat; a support frame is fixedly connected to the top of the fixing seat; an opening and closing mechanism is installed on the support frame; a gate is installed at the bottom of the structural member of the opening and closing mechanism; an auxiliary device is installed on the fixing seat; the auxiliary device comprises a fixing block; a lifting hole is provided at one end of the top of the fixing block close to the fixing seat; the lifting hole passes through the body of the fixing block; a lifting rod is slidingly provided inside the lifting hole; a floating plate is fixedly connected to the bottom of the lifting rod; a structural cavity is provided at one end of the fixing block away from the lifting hole; a sliding cavity is provided on the inner wall surface of one side of the structural cavity close to the lifting hole; the sliding cavity is communicated with the lifting hole;

[0007] A moving block is installed inside the sliding cavity; a rotating groove is opened on the vertical surface of the moving block near the lifting hole; a rotating roller is rotatably installed inside the rotating groove; the diameter of the rotating roller is larger than the opening depth of the rotating groove; the smooth lifting and lowering of the floating plate is realized.

[0008] Preferably, a pressure sensor is installed inside the structural cavity; a spring is provided on the pressure sensor; the end of the spring is connected to the moving block; and the function of detecting the depth of the water flow is achieved.

[0009] Preferably, a rolling groove is provided on the vertical surface of the lifting rod close to the sliding cavity; the rotating roller rolls along the inner wall surface of the rolling groove, and the spring is in a compressed state at this time; so that the rotating roller can operate smoothly.

[0010] Preferably, a first structural groove is opened on the inner wall surface of the rolling groove near the middle of the rod body; a second structural groove is opened on the inner wall surface of the rolling groove near the bottom of the rod body; the horizontal opening depth of the first structural groove is smaller than the horizontal opening depth of the second structural groove; so that the structural groove can operate smoothly.

[0011] Preferably, a fixed box is fixedly connected to the bottom of the floating plate; an installation cavity is opened inside the fixed box; a rotation speed detection mechanism is installed inside the installation cavity; the action end of the rotation speed detection mechanism structure extends outward and is installed with a rotating rod; a rotating plate is installed outside the cross section of the rotating rod; the detection function of the water flow velocity is realized.

[0012] Preferably, the rotation track of the rotating plate does not contact the floating plate and the gate; when the lifting rod rises to the highest position, the top end surface of the floating plate contacts the bottom end surface of the fixed block; thus, the smooth operation of the rotating plate is ensured.

[0013] The utility model is beneficial in that:

[0014] The utility model adopts the structural design of the auxiliary device. The floating plate is affected by the buoyancy and moves with the height of the water surface, so that the lifting rod moves along the lifting hole. In this process, the rotating roller inside the rotating groove moves along the inner wall surface of the rolling groove. When the water surface rises to a certain height, the rotating roller enters the opening range of the first structural groove along the sliding cavity along the rolling groove. Under the reaction force of the contracted spring, the moving block pushes the rotating roller to enter the interior of the first structural groove. With the change of pressure, the pressure sensor operates, and the pressure sensor transmits the data signal to the data receiving device of the opening and closing mechanism, so that the opening and closing mechanism operates, realizing the closing effect of the automatic control gate. With the assistance of the second structural groove, the effect of timely regulation is achieved, avoiding unnecessary losses caused by the lag of the operation of the opening and closing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is an isometric structural diagram;

[0017] Figure 2 It is a structural schematic diagram of the lifting rod;

[0018] Figure 3 It is a structural schematic diagram of a fixed block;

[0019] Figure 4 for Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0020] In the figure: 1. fixed seat; 2. support frame; 3. opening and closing mechanism; 401. fixed block; 402. lifting hole; 403. lifting rod; 404. floating plate; 405. structural cavity; 406. sliding cavity; 407. pressure sensor; 408. moving block; 409. spring; 410. rotating groove; 411. rotating roller; 412. rolling groove; 413. first structural groove; 414. second structural groove; 415. fixed box; 416. installation cavity; 417. speed detection mechanism; 418. rotating rod; 419. rotating plate; 420. gate. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4As shown, a water inlet gate opening and closing device comprises a fixing seat 1; a support frame 2 is fixedly connected to the top of the fixing seat 1; an opening and closing mechanism 3 is installed on the support frame 2; a gate 420 is installed at the bottom of the structural member of the opening and closing mechanism 3; an auxiliary device is installed on the fixing seat 1; the auxiliary device comprises a fixing block 401; a lifting hole 402 is opened at one end of the top of the fixing block 401 close to the fixing seat 1; the lifting hole 402 penetrates the body of the fixing block 401; a lifting rod 403 is slidably arranged inside the lifting hole 402; a floating plate 404 is fixedly connected to the bottom of the lifting rod 403; a structural cavity 405 is opened at one end of the fixing block 401 away from the lifting hole 402; a sliding cavity 406 is opened on the inner wall surface of the structural cavity 405 close to the lifting hole 402; the sliding cavity 406 is communicated with the lifting hole 402;

[0023] A moving block 408 is installed inside the sliding cavity 406; a rotating groove 410 is opened on the vertical surface of the moving block 408 near the lifting hole 402; a rotating roller 411 is rotatably installed inside the rotating groove 410; the diameter of the rotating roller 411 is greater than the opening depth of the rotating groove 410; a pressure sensor 407 is installed inside the structural cavity 405; a spring 409 is arranged on the pressure sensor 407; the end of the spring 409 is connected to the moving block 408; a rolling groove 412 is opened on the vertical surface of the lifting rod 403 near the sliding cavity 406; the rotating roller 411 rolls along the inner wall surface of the rolling groove 412, and the spring 409 is in a compressed state at this time; a first structural groove 413 is opened on the inner wall surface of the rolling groove 412 near the middle of the rod body; a second structural groove 414 is opened on the inner wall surface of the rolling groove 412 near the bottom of the rod body; the horizontal opening depth of the first structural groove 413 is less than the horizontal opening depth of the second structural groove 414;

[0024] During operation, in some farmlands, in order to ensure the smooth progress of irrigation operations, the water inlet channel will be used for coordinated operations, and a gate will be installed at the connection port of the water inlet channel, and the flow of water will be controlled by the gate opening and closing device; when the above-mentioned gate opening and closing device is in use, the operator needs to pay attention to the flow of water at all times, and adjust the opening and closing device according to the water flow, so that the operation effect of the opening and closing device has a lag. The present application works through an auxiliary device. Once the water flow inside the water channel changes, the floating plate 404 is affected by the buoyancy and moves with the height of the water surface, so that the lifting rod 403 moves along the lifting hole 402. In this process, the rotating roller 411 inside the rotating groove 410 moves along the rolling The inner wall of the groove 412 moves. When the water level rises to a certain height, the rotating roller 411 enters the opening range of the first structural groove 413 along the rolling groove 412 and the sliding cavity 406. Under the reaction force of the contracted spring 409, the moving block 408 pushes the rotating roller 411 to enter the interior of the first structural groove 413. As the pressure changes, the pressure sensor 407 operates, and the pressure sensor 407 transmits the data signal to the data receiving device of the opening and closing mechanism 3, so that the opening and closing mechanism 3 operates, realizing the automatic control of the closing effect of the gate 420. With the assistance of the second structural groove 414, the effect of timely regulation is achieved, avoiding unnecessary losses caused by the lag of the operation of the opening and closing device.

[0025] A fixed box 415 is fixedly connected to the bottom of the floating plate 404; a mounting cavity 416 is provided inside the fixed box 415; a rotation speed detection mechanism 417 is installed inside the mounting cavity 416; the action end of the rotation speed detection mechanism 417 extends outward and is installed with a rotating rod 418; a rotating plate 419 is installed outside the cross section of the rotating rod 418; the rotating track of the rotating plate 419 does not contact the floating plate 404 and the gate 420; when the lifting rod 403 rises to the highest position, the top end surface of the floating plate 404 contacts the bottom end surface of the fixed block 401;

[0026] During operation, in the process of water flow, the rotating plate 419 rotates, and the rotating rod 418 rotates accordingly. Under the action of the rotation speed detection mechanism 417 inside the fixed box 415, the water flow velocity is monitored.

[0027] Working principle: In some farmlands, in order to ensure the smooth progress of irrigation operations, water inlet channels are used for coordinated operations, and gates are installed at the connection ports of the water inlet channels, and the flow of water is controlled by gate opening and closing devices. When the above-mentioned gate opening and closing devices are in use, the operator needs to pay attention to the flow of water at all times, and adjust the opening and closing devices according to the water flow, so that the operation effect of the opening and closing devices has a lag. The present application works through auxiliary devices. Once the water flow inside the water channel changes, the floating plate 404 moves with the height of the water surface under the action of buoyancy, so that the lifting rod 403 moves along the lifting hole 402. During this process, the rotating roller 411 inside the rotating groove 410 moves along the inner wall surface of the rolling groove 412. When the water surface rises to a certain height, the rotating roller 411 moves along the rolling groove 412 along the sliding cavity 406. Into the opening range of the first structural groove 413, under the reaction force of the contracted spring 409, the moving block 408 pushes the rotating roller 411 to enter the interior of the first structural groove 413, with the change of pressure, the pressure sensor 407 operates, the model of the pressure sensor 407 is: PT124G-210, the pressure sensor 407 transmits the data signal to the data receiving device of the opening and closing mechanism 3, so that the opening and closing mechanism 3 operates, and realizes the closing effect of the automatic control gate 420, with the assistance of the second structural groove 414, the effect of timely regulation is achieved, avoiding unnecessary losses caused by the lag of the operation of the opening and closing device, and in the process of water flow, the rotating plate 419 rotates, and the rotating rod 418 rotates accordingly, under the action of the speed detection mechanism 417 inside the fixed box 415, the water flow velocity is monitored.

[0028] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A water inlet gate opening and closing device, comprising a fixing seat (1); a support frame (2) is fixedly connected to the top of the fixing seat (1); an opening and closing mechanism (3) is installed on the support frame (2); a gate (420) is installed at the bottom of the structural member of the opening and closing mechanism (3); an auxiliary device is installed on the fixing seat (1); characterized in that: The auxiliary device comprises a fixed block (401); a lifting hole (402) is provided at one end of the top of the fixed block (401) close to the fixed seat (1); the lifting hole (402) penetrates the body of the fixed block (401); a lifting rod (403) is slidably provided inside the lifting hole (402); a floating plate (404) is fixedly connected to the bottom of the lifting rod (403); a structural cavity (405) is provided at one end of the fixed block (401) away from the lifting hole (402); a sliding cavity (406) is provided on the inner wall surface of one side of the structural cavity (405) close to the lifting hole (402); the sliding cavity (406) is communicated with the lifting hole (402); A moving block (408) is installed inside the sliding cavity (406); a rotating groove (410) is opened on a vertical surface of the moving block (408) close to the lifting hole (402); a rotating roller (411) is rotatably installed inside the rotating groove (410); the diameter of the rotating roller (411) is greater than the opening depth of the rotating groove (410).

2. The water inlet channel gate opening and closing device according to claim 1, characterized in that: A pressure sensor (407) is installed inside the structural cavity (405); a spring (409) is arranged on the pressure sensor (407); and the end of the spring (409) is connected to the moving block (408).

3. The water inlet channel gate opening and closing device according to claim 2, characterized in that: A rolling groove (412) is provided on the vertical surface of the lifting rod (403) close to the sliding cavity (406); the rotating roller (411) rolls along the inner wall surface of the rolling groove (412), and the spring (409) is in a compressed state at this time.

4. The water inlet channel gate opening and closing device according to claim 3, characterized in that: A first structural groove (413) is provided on the inner wall surface of the rolling groove (412) at a position close to the middle of the shaft; a second structural groove (414) is provided on the inner wall surface of the rolling groove (412) at a position close to the bottom of the shaft; and the horizontal opening depth of the first structural groove (413) is less than the horizontal opening depth of the second structural groove (414).

5. The water inlet channel gate opening and closing device according to claim 4, characterized in that: A fixing box (415) is fixedly connected to the bottom of the floating plate (404); a mounting cavity (416) is provided inside the fixing box (415); a rotation speed detection mechanism (417) is installed inside the mounting cavity (416); the rotation speed detection mechanism (417) has an action end extending outward and is installed with a rotating rod (418); a rotating plate (419) is installed outside the cross section of the rotating rod (418).

6. The water inlet channel gate opening and closing device according to claim 5, characterized in that: The rotation track of the rotating plate (419) does not contact the floating plate (404) and the gate (420); when the lifting rod (403) rises to the highest position, the top end surface of the floating plate (404) contacts the bottom end surface of the fixed block (401).

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