Water conservancy valve convenient to open and close

Abstract

The water conservancy valve convenient to open and close comprises a valve seat, a circulation area is arranged on the valve seat, and a valve plate is inserted in the circulation area from top to bottom in a sliding mode. A lifting mechanism is installed on the top of the valve seat, the lifting mechanism is connected with the valve plate, opening and closing actions of the valve plate are completed through the lifting mechanism, a balance weight mechanism is installed between the valve seat and the valve plate, and the balance weight mechanism and the valve plate are arranged in a matched mode. Under the assistance of the lifting mechanism, active lifting of the valve plate can be completed to achieve opening and closing actions, meanwhile, under the cooperation of the balance weight mechanism, balance weight of the valve plate is completed through the balance weight mechanism, the balance weight mechanism and the valve plate are subjected to balance weight on one side of the valve seat, and therefore the lifting difficulty of the lifting mechanism is reduced, and the service life of the valve plate is prolonged. And meanwhile, the action of the balance weight mechanism can be guided through the guide assembly, so that the balance weight mechanism and the lifting mechanism are more stable during operation.

Description

Technical Field

[0001] The utility model relates to the technical field related to water conservancy valves, in particular to a water conservancy valve that is easy to open and close. Background Art

[0002] Water conservancy projects are projects built to control and allocate natural surface water and groundwater to achieve the purpose of eliminating harm and promoting benefits. They are also called water projects.

[0003] Water conservancy projects require the construction of different types of hydraulic structures such as dams, dikes, spillways, sluices, water inlets, channels, ferries, rafts, fishways, etc. to achieve their goals. Gates are control facilities used to close and open discharge channels; an important component of hydraulic structures, they can be used to intercept water flow, control water levels, regulate flow, discharge sediment and floating objects, etc.

[0004] At present, most water conservancy valves use conventional lifting mechanisms to complete the lifting and closing of the valve plate, and no auxiliary counterweight operation is performed on the valve plate. Due to the heavy weight of the valve plate, the lifting mechanism is directly used to complete the lifting action, which increases the load of the lifting mechanism and reduces the service life of the valve. Utility Model Content

[0005] The utility model aims to provide a hydraulic valve which is easy to open and close, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic valve that is easy to open and close, including a valve seat, a flow area is opened on the valve seat, a valve plate is slidably inserted from top to bottom in the flow area, a lifting mechanism is installed on the top of the valve seat, the lifting mechanism is connected to the valve plate, the opening and closing action of the valve plate is completed by the lifting mechanism, and a counterweight mechanism is installed between the valve seat and the valve plate, the counterweight mechanism is arranged in cooperation with the valve plate, the active counterweight action of the valve plate is completed by the counterweight mechanism, and the counterweight mechanism and the valve plate are linked to assist its lifting.

[0007] As a further preferred embodiment of the present technical solution, the lifting mechanism includes two assembly frames symmetrically installed on both sides of the top of the valve seat, a winding shaft is rotatably installed between the tops of the two assembly frames, and a reduction motor is installed on one side of one of the assembly frames through a bracket, the output end of the reduction motor is transmission-connected to the winding shaft, and two winding wheels are symmetrically fixed on both sides of the outside of the winding shaft, and a winding steel rope is coiled on the two winding wheels, and the bottom of the winding steel rope is detachably fixedly connected to the top of the valve plate.

[0008] As a further preferred embodiment of the present technical solution, the counterweight mechanism includes slideways symmetrically opened on both sides of the back of the valve seat, and a counterweight block is slidably engaged on the two slideways. The counterweight block slides in cooperation with the valve seat, and two pulleys are symmetrically rotated on the winding shaft, and two pulling ropes are symmetrically and detachably installed on both sides of the upper surface of the counterweight block, and the front ends of the two pulling ropes are correspondingly passed around the pulleys and are detachably fixedly connected to the top of the valve plate.

[0009] As a further preferred embodiment of the present technical solution, the connection between the counterweight block and the valve plate is completed by two pulling ropes, and the counterweight block completes the active counterweight action on the valve plate.

[0010] As a further preferred embodiment of the present technical solution, two guide assemblies are symmetrically installed on the upper surface of the valve plate, and the two guide assemblies each include two guide frames symmetrically arranged through brackets, and the tops and bottoms of the two guide frames are both through-arranged, and a No. 1 wheel is rotatably installed on one side of the two guide frames through the brackets, and a No. 2 wheel is rotatably installed on the side of the two guide frames away from the valve plate through the brackets, and the No. 2 wheel is slidably connected to the inner wall of the guide frame, and the No. 2 wheel is parallel to the No. 1 wheel and is distributed at intervals, and an adjusting screw is threadedly inserted through the end of the two guide frames away from the valve plate, and the front end of the adjusting screw is rotatably connected to the back of the No. 2 wheel, and the position of the No. 2 wheel is adjusted by the adjusting screw.

[0011] As a further preferred embodiment of the present technical solution, adjustment areas are provided through both side walls of the guide frame, and adjustment blocks are slidably installed in the adjustment areas. The adjustment blocks are fixedly connected to the No. 2 wheel, and the pulling rope is guided by the cooperation of the No. 1 wheel and the No. 2 wheel.

[0012] The utility model provides a hydraulic valve that is easy to open and close, and has the following beneficial effects:

[0013] (1) The utility model is provided with a lifting mechanism to start the reduction motor, drive the winding shaft to rotate, complete the winding and releasing of the winding steel rope through two winding wheels, and then complete the opening and closing of the valve plate, so that the valve plate can move up and down under the guidance of the valve seat, which is convenient for freely adjusting the opening and closing degree of the flow area.

[0014] (2) The utility model is provided with a counterweight mechanism, and a counterweight block is slidably mounted on the slideway on the back of the valve seat. The counterweight block is connected to the valve plate via a pulling rope to complete the counterweight, and the pulling rope is actively guided via a pulley. When the valve plate is subsequently lifted, the counterweight block moves downward to complete the synchronous counterweight action, thereby reducing the load of the reduction motor and extending the life of the reduction motor. The pulling rope can be actively limited and guided by the first and second wheels to avoid the problem of breakage caused by friction between the pulling rope and the rest of the valve plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the separation of the valve plate and the valve seat of the utility model;

[0017] Figure 3 This is a schematic diagram of the distribution of the lifting mechanism and the counterweight mechanism of the utility model;

[0018] Figure 4 It is a schematic diagram of the lifting mechanism of the utility model;

[0019] Figure 5 This is a schematic diagram of the counterweight mechanism of the utility model;

[0020] Figure 6 This is a schematic diagram of the guide assembly structure of the utility model.

[0021] In the figure: 1. valve seat; 2. flow area; 3. valve plate; 4. assembly frame; 5. take-up shaft; 6. reduction motor; 7. take-up wheel; 8. take-up rope; 9. slideway; 10. counterweight; 11. pulley; 12. pulling rope; 13. guide frame; 14. wheel number one; 15. wheel number two; 16. adjusting screw; 17. adjustment area; 18. adjusting block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] The utility model provides a technical solution: Figure 1 , Figure 2 and Figure 3 As shown, in the present embodiment, a hydraulic valve which is easy to open and close comprises a valve seat 1, a flow area 2 is provided on the valve seat 1, a valve plate 3 is slidably inserted from top to bottom in the flow area 2, a lifting mechanism is installed on the top of the valve seat 1, the lifting mechanism is connected to the valve plate 3, the opening and closing action of the valve plate 3 is completed by the lifting mechanism, and a counterweight mechanism is installed between the valve seat 1 and the valve plate 3, the counterweight mechanism is arranged in cooperation with the valve plate 3, the active counterweight action of the valve plate 3 is completed by the counterweight mechanism, and the counterweight mechanism is linked with the valve plate 3 to assist its lifting.

[0024] like Figure 4 As shown, the lifting mechanism includes two assembly frames 4 symmetrically installed on both sides of the top of the valve seat 1, a winding shaft 5 is rotatably installed between the tops of the two assembly frames 4, and a reduction motor 6 is installed on one side of one of the assembly frames 4 through a bracket, the output end of the reduction motor 6 is connected to the winding shaft 5 by transmission, and two winding wheels 7 are symmetrically fixedly sleeved on both sides of the outside of the winding shaft 5, and a winding steel rope 8 is coiled on the two winding wheels 7, and the bottom of the winding steel rope 8 is detachably fixedly connected to the top of the valve plate 3;

[0025] It is worth mentioning that when lifting: a lifting mechanism is provided to start the reduction motor 6, drive the winding shaft 5 to rotate, and complete the winding and releasing of the winding steel rope 8 through the two winding wheels 7, and then complete the opening and closing of the valve plate 3, so that the valve plate 3 can move up and down under the guidance of the valve seat 1, so as to facilitate the free regulation of the opening and closing degree of the flow area 2.

[0026] like Figure 5 and Figure 6 As shown, the counterweight mechanism includes slideways 9 symmetrically opened on both sides of the back of the valve seat 1, and a counterweight block 10 is slidably engaged on the two slideways 9. The counterweight block 10 slides with the valve seat 1, and two pulleys 11 are symmetrically rotatably sleeved on the reel 5. Two pulling ropes 12 are symmetrically and detachably installed on both sides of the upper surface of the counterweight block 10. The front ends of the two pulling ropes 12 are correspondingly bypassed by the pulleys 11 and are detachably and fixedly connected to the top of the valve plate 3. The connection between the counterweight block 10 and the valve plate 3 is completed by the two pulling ropes 12. The counterweight block 10 completes the active counterweight action of the valve plate 3, and the weight of the counterweight block 10 can be freely increased or decreased.

[0027] It is worth noting that: when counterweighting is performed: a counterweight mechanism is provided, and a counterweight block 10 is slidably engaged and installed on the slideway 9 on the back of the valve seat 1. The counterweight block 10 is connected to the valve plate 3 via a pulling rope 12 to complete the counterweight, and the pulling rope 12 is actively guided via the pulley 11. When the valve plate 3 is subsequently lifted, the counterweight block 10 follows and moves downward to complete the synchronous counterweight action, so that the load of the reduction motor 6 is reduced, the service life of the reduction motor 6 is extended, and the overall lifting work is safer and more stable. In order to guide the pulling rope 12, a pulley 11 is installed on the valve plate 3. A guide assembly is installed. First, the pulling rope 12 passes through the guide frame 13, and the rotation of the pulling rope 12 is guided by the first wheel 14. Then, the adjusting screw 16 is rotated accordingly to drive the second wheel 15 to slide in the guide frame 13, so that the distance between the first wheel 14 and the second wheel 15 can be fine-tuned. The pulling rope 12 can be actively restricted and guided by the first wheel 14 and the second wheel 15, so that the movement of the pulling rope 12 is more stable, and the problem of the pulling rope 12 breaking due to friction with other positions of the valve plate 3 is avoided, thereby ensuring the safety of the lifting work;

[0028] Among them, two guide components are symmetrically installed on the upper surface of the valve plate 3, and the two guide components each include two guide frames 13 symmetrically arranged through a bracket, the two guide frames 13 are arranged in a direction away from the valve plate 3, and the tops and bottoms of the two guide frames 13 are through-arranged, a first wheel 14 is rotatably installed on one side of the two guide frames 13 through the bracket, and a second wheel 15 is rotatably installed on the side of the two guide frames 13 away from the valve plate 3 through the bracket, and the second wheel 15 is slidably connected to the inner wall of the guide frame 13, and the second wheel 14 is rotatably installed on the one side of the two guide frames 13 away from the valve plate 3 through the bracket. 5 is arranged in parallel with the No. 1 wheel 14 and at intervals, an adjusting screw 16 is screwed through the ends of the two guide frames 13 away from the valve plate 3, and the front end of the adjusting screw 16 is rotatably connected to the back of the No. 2 wheel 15, and the position of the No. 2 wheel 15 is adjusted by the adjusting screw 16, and the two side walls of the guide frame 13 are penetrated by adjusting areas 17, and adjusting blocks 18 are slidably installed in the adjusting areas 17, and the adjusting blocks 18 are fixedly connected to the No. 2 wheel 15, and the pulling rope 12 is guided by the cooperation of the No. 1 wheel 14 and the No. 2 wheel 15.

[0029] The utility model provides a water conservancy valve which is convenient for opening and closing, and the specific working principle is as follows: firstly, the valve seat 1 is fixed in the working area, and the active blocking of the flow area 2 is completed by the valve plate 3, so that the flow area 2 can be opened and closed, and the circulation of the water source is ensured; at the same time, with the assistance of the lifting mechanism, it can complete the active lifting of the valve plate 3 to realize the opening and closing action; at the same time, with the cooperation of the counterweight mechanism, the counterweight mechanism is used to complete the counterweight of the valve plate 3, so that the counterweight mechanism completes the counterweight with the valve plate 3 on one side of the valve seat 1, thereby reducing the lifting difficulty of the lifting mechanism and extending the service life of the valve; and the weight of the counterweight mechanism can be freely increased or decreased, which is convenient for the staff to freely adjust and control; at the same time, the action of the counterweight mechanism can be guided by the guide component, so that the counterweight mechanism and the lifting mechanism are more stable during operation.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic valve that is easy to open and close, comprising a valve seat (1), a flow area (2) is provided on the valve seat (1), a valve plate (3) is inserted into the flow area (2) in a sliding manner from top to bottom, and is characterized in that: A lifting mechanism is installed on the top of the valve seat (1), the lifting mechanism is connected to the valve plate (3), and the opening and closing actions of the valve plate (3) are completed through the lifting mechanism. A counterweight mechanism is installed between the valve seat (1) and the valve plate (3), and the counterweight mechanism is arranged in coordination with the valve plate (3). The active counterweight action of the valve plate (3) is completed through the counterweight mechanism, and the counterweight mechanism and the valve plate (3) are linked to assist in its lifting.

2. A hydraulic valve that is easy to open and close according to claim 1, characterized in that: The lifting mechanism comprises two assembly frames (4) symmetrically mounted on both sides of the top of the valve seat (1), a winding shaft (5) is rotatably mounted between the tops of the two assembly frames (4), and a reduction motor (6) is mounted on one side of one of the assembly frames (4) through a bracket, the output end of the reduction motor (6) is transmission-connected to the winding shaft (5), two winding wheels (7) are symmetrically fixedly sleeved on both sides of the outside of the winding shaft (5), a winding steel rope (8) is wound on both winding wheels (7), and the bottom of the winding steel rope (8) is detachably fixedly connected to the top of the valve plate (3).

3. A hydraulic valve that is easy to open and close according to claim 1, characterized in that: The counterweight mechanism comprises slideways (9) symmetrically arranged on both sides of the back of the valve seat (1), a counterweight block (10) is slidably engaged on the two slideways (9), the counterweight block (10) slides in cooperation with the valve seat (1), two pulleys (11) are symmetrically rotatably sleeved on the winding shaft (5), and two pulling ropes (12) are symmetrically and detachably installed on both sides of the upper surface of the counterweight block (10), and the front ends of the two pulling ropes (12) are correspondingly passed around the pulleys (11) and are detachably and fixedly connected to the top of the valve plate (3).

4. A hydraulic valve that is easy to open and close according to claim 3, characterized in that: The connection between the counterweight block (10) and the valve plate (3) is completed by two pulling ropes (12), and the counterweight block (10) completes the active counterweight action on the valve plate (3).

5. A hydraulic valve that is easy to open and close according to claim 4, characterized in that: Two guide assemblies are symmetrically mounted on the upper surface of the valve plate (3). The two guide assemblies each include two guide frames (13) symmetrically arranged through brackets, and the tops and bottoms of the two guide frames (13) are both through-arranged. A first wheel (14) is rotatably mounted on one side of the two guide frames (13) through the brackets. A second wheel (15) is rotatably mounted on the side of the two guide frames (13) away from the valve plate (3) through the brackets. The second wheel (15) is slidably connected to the inner wall of the guide frame (13). The second wheel (15) and the first wheel (14) are spaced apart and arranged in parallel. An adjusting screw (16) is screwed through the end of the two guide frames (13) away from the valve plate (3) through a threaded engagement. The front end of the adjusting screw (16) is rotatably connected to the back of the second wheel (15). The position of the second wheel (15) is adjusted by the adjusting screw (16).

6. A hydraulic valve that is easy to open and close according to claim 5, characterized in that: Adjustment areas (17) are provided through both side walls of the guide frame (13), and adjustment blocks (18) are slidably installed in the adjustment areas (17). The adjustment blocks (18) are fixedly connected to the No. 2 wheel (15), and guide the pulling rope (12) through the cooperation of the No. 1 wheel (14) and the No. 2 wheel (15).

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