Pump station gate lifting water inlet buffer device
The gate lifting device driven by the hydraulic cylinder is combined with the buffer assembly, and the use of structures such as buffer plates, fixed rods and bellows solves the problem of water flow impacting the pump station pipeline, achieving the effect of reducing impact damage and protecting the buffer spring.
Patent Information
- Application Number
- CN202423035408.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-09
AI Technical Summary
While existing water inlet buffer devices can mitigate the impact of the water hammer effect, they cannot completely eliminate the impact of water flow on the pump station pipeline, causing damage.
The gate lifting device is driven by a hydraulic cylinder, combined with a buffer assembly, buffer spring and bellows. The buffer plate and fixed rod are used to reduce the impact force of the water flow, and the bellows and exhaust pipe are used to protect the buffer spring to prevent rust and gas accumulation.
It effectively reduces the impact of water flow on the pump station pipeline, prevents equipment damage, extends the service life of the equipment, and prevents the buffer spring from rusting and gas accumulation.
Smart Images
Figure CN223458769U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of water conservancy, in particular to a pump station gate lifting water inlet buffer device. BACKGROUND
[0002] With the increasing demand for water resource management and environmental protection, pump stations play an increasingly important role in urban water supply, agricultural irrigation, sewage treatment and other fields. However, in the daily operation of the pump station, especially during the start-up and shutdown stages, the water hammer effect caused by the rapid opening and closing of the valve not only can damage the pipeline and equipment, but also can affect the stability and safety of the entire system. Therefore, how to effectively alleviate this phenomenon has become one of the focuses of research in this field.
[0003] The existing water inlet buffer device generally increases the diameter of the pipeline to reduce the flow rate in order to reduce the possibility of water hammer effect on the pump station, but in actual application, the water hammer phenomenon cannot be completely eliminated. At the moment when the gate is opened, the water flow will still impact the pipeline of the pump station, resulting in damage. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at solving or at least alleviating the problem that the existing water inlet buffer device generally increases the diameter of the pipeline to reduce the flow rate in order to reduce the possibility of water hammer effect on the pump station, but in actual application, the water hammer phenomenon cannot be completely eliminated. At the moment when the gate is opened, the water flow will still impact the pipeline of the pump station, resulting in damage.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A pump station gate lifting water inlet buffer device, comprising a door frame, a hydraulic cylinder is installed at the top end of the door frame, a gate body for closing the door frame is fixedly connected to the output end of the hydraulic cylinder, a buffer assembly for reducing the impact force of water flow is arranged on the door frame, the buffer assembly comprises a fixed plate arranged on one side of the door frame, a plurality of fixed rods are fixedly connected between the fixed plate and the door frame, a plurality of buffer springs are fixedly connected to the side wall of one side of the fixed plate, a buffer plate is fixedly connected to the end of the buffer spring away from the fixed plate, and the buffer plate is sleeved on the fixed rod and is slidably arranged.
[0007] By adopting the above technical scheme, when in use, the hydraulic cylinder is started to drive the gate body to move, so that the water flow contacts the buffer plate through the door frame, when the buffer plate is impacted, the fixed rod can slide, the buffer plate can extrude the buffer spring, the impact force of the water flow on the buffer plate is reduced by the buffer spring, and then the water flow flows out from the four sides of the buffer plate, so that the problem that the water flow causes impact on the pipeline of the pump station in an instant when the gate is opened, thereby causing damage, is avoided.
[0008] Optionally, the buffer spring is sleeved with a bellows, and the two ends of the bellows are fixedly connected with the buffer plate and the fixed plate, and the bellows are connected in communication through a pipeline, and one side wall of the bellows is fixedly connected with an exhaust pipe.
[0009] By adopting the above technical scheme, the buffer spring can be protected by the bellows, so that the buffer spring is prevented from being in contact with the water flow and being soaked in water for a long time, so that rusting and damage of the buffer spring are avoided, and the gas in the bellows can be discharged through the exhaust pipe, so that the buffer plate is prevented from extruding the buffer spring, and the gas cannot be discharged when the bellows contracts.
[0010] Optionally, the exhaust pipe is fixedly connected with two support rods at an end away from the bellows, and a waterproof sleeve is sleeved on one end of the exhaust pipe, and the ends of the support rods away from the exhaust pipe are fixedly connected with the inner top end of the waterproof sleeve.
[0011] By adopting the above technical scheme, rainwater can be prevented from entering the bellows through the exhaust pipe and contacting the buffer spring through the waterproof sleeve.
[0012] Optionally, the inner diameter of the waterproof sleeve is greater than the diameter of the exhaust pipe.
[0013] By adopting the above technical scheme, the exhaust pipe is prevented from being blocked after the waterproof sleeve is sleeved on the exhaust pipe.
[0014] Optionally, a filter ring is sleeved on an end of the exhaust pipe away from the bellows, the filter ring is fixedly connected with the exhaust pipe, the filter ring is located in the waterproof sleeve, and the side wall of the filter ring is fixedly connected with the waterproof sleeve.
[0015] By adopting the above technical scheme, dust and insects can be prevented from entering the bellows through the gap between the waterproof sleeve and the exhaust pipe through the filter ring.
[0016] Optionally, a fixed block is fixedly connected with the top end of the fixed plate, a sleeve pipe is fixedly connected with one side wall of the fixed block, and the sleeve pipe is sleeved on the exhaust pipe and is fixedly connected.
[0017] By adopting the above technical scheme, the exhaust pipe can be fixed through the fixed block and the sleeve pipe, so that the exhaust pipe is prevented from shaking.
[0018] Optionally, the portal is provided with a containing groove below the gate body, the bottom end of the gate body is inserted into the containing groove, and a plurality of damping shock absorbers are fixedly connected in the containing groove.
[0019] By adopting the above technical scheme, when the gate body is closed, the bottom end of the gate body can be inserted into the containing groove and contacted with the damping shock absorbers, so that the impact and vibration when the gate body is closed can be reduced, and the service life of the equipment is prolonged.
[0020] Optionally, the top end of the portal is fixedly connected with a protection box, the hydraulic cylinder is located in the protection box, and a sealing door is hingedly connected to one side wall of the protection box.
[0021] By adopting the above technical scheme, the hydraulic cylinder can be protected by the protection box, so that rainwater and dust are prevented from contacting the hydraulic cylinder, and the hydraulic cylinder is maintained through the sealing door.
[0022] To sum up, the application has the following beneficial effects:
[0023] 1. By cooperation of the structures such as the fixing rod, the buffer spring and the buffer plate, when in use, the gate body is driven to move by starting the hydraulic cylinder, so that the water flow contacts the buffer plate through the portal, when the buffer plate is impacted, the fixing rod can slide, the buffer plate can extrude the buffer spring, the impact force of the water flow on the buffer plate is reduced by the buffer spring, then the water flow flows out from the four sides of the buffer plate, and the problem that the water flow impacts the pipeline of the pump station at the moment when the gate is opened, so that damage occurs, is avoided as much as possible;
[0024] 2. The buffer spring is protected by the bellows, so that the buffer spring is prevented from being in contact with the water flow and soaked in the water for a long time, so that rusting and damage of the buffer spring are avoided, and the gas in the bellows is discharged through the exhaust pipe, so that the buffer plate is prevented from extruding the buffer spring and the gas cannot be discharged when the bellows contracts. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is a whole structure schematic view of the utility model;
[0026] Figure 2 It is an explosion structure schematic view of the utility model;
[0027] Figure 3 It is a Figure 1 It is an A area enlarged structure schematic view of the utility model;
[0028] Figure 4 It is an exhaust pipe and waterproof sleeve connection structure explosion schematic view of the utility model.
[0029] Explanation of reference signs: 1, gantry; 2, hydraulic cylinder; 3, gate body; 4, fixed plate; 5, fixed rod; 6, buffer spring; 7, buffer plate; 8, corrugated pipe; 9, exhaust pipe; 10, support rod; 11, waterproof sleeve; 12, filter ring; 13, fixed block; 14, sleeve; 15, containing groove; 16, damping shock absorber; 17, protective box; 18, sealing door. DETAILED DESCRIPTION
[0030] The following will be described in detail in combination with the accompanying drawings Figures 1-4 The present application is further described in detail.
[0031] Please refer to Figures 1-3 A pump station gate lifting water inlet buffering device, comprising a gantry 1, a hydraulic cylinder 2 is installed at the top end of the gantry 1, and a gate body 3 for closing the gantry 1 is fixedly connected to the output end of the hydraulic cylinder 2, and a buffer assembly for reducing the impact force of water flow is arranged on the gantry 1, and the buffer assembly comprises a fixed plate 4, a fixed rod 5, a buffer spring 6 and a buffer plate 7;
[0032] The fixed plate 4 is arranged on one side of the gantry 1, the fixed plate 4 and the gantry 1 are fixedly connected through a plurality of fixed rods 5, the buffer spring 6 is arranged with a plurality of fixed connections on the side wall of the fixed plate 4 close to the gantry 1, the buffer plate 7 is arranged between the gantry 1 and the fixed plate 4, and one end of the buffer spring 6 away from the fixed plate 4 is fixedly connected to the side wall of the buffer plate 7, the buffer plate 7 is sleeved on the fixed rod 5 on both sides and is slidably arranged, so that the buffer plate 7 can stably move and prevent the buffer plate 7 from shaking when it is impacted by water flow, thereby preventing the buffer spring 6 from being twisted and damaged, a displacement sensor is installed at the output end of the hydraulic cylinder 2 for real-time detection of the height information of the gate, and a pressure sensor is installed on the buffer plate 7 for monitoring the pressure on the buffer plate 7 when water flow enters, a small amount of water flow is allowed to enter by slowly opening the gate body 3 to a certain angle, and then the opening degree is gradually increased until it is fully opened, during which the movement speed of the hydraulic cylinder 2 is fine-tuned according to the data of the displacement sensor and the pressure sensor, and a stable flow input is always maintained, on the contrary, the opening degree of the gate body 3 is gradually reduced before shutdown until it is completely closed, so as to prevent the speed of opening and closing the gate body 3 from being too fast, thereby preventing the strong impact force of water flow.
[0033] In use, the hydraulic cylinder 2 is started to drive the gate body 3 to move, so that the water flow contacts the buffer plate 7 through the gantry 1, when the buffer plate 7 is impacted, the fixed rod 5 can slide to allow the buffer plate 7 to press the buffer spring 6, so as to reduce the impact force of the water flow on the buffer plate 7, and then the water flow flows out from the four sides of the buffer plate 7, thereby avoiding the problem that the water flow causes damage to the pipeline of the pump station at the moment when the gate is opened.
[0034] Refer to Figure 1 , Figure 2 andFigure 3 A corrugated pipe 8 is sleeved on the buffer spring 6, and the two ends of the corrugated pipe 8 are fixedly connected with the buffer plate 7 and the fixed plate 4 respectively. The corrugated pipes 8 are connected in communication through pipes. One side wall of one of the corrugated pipes 8 is fixedly connected with an exhaust pipe 9. The buffer spring 6 can be protected through the corrugated pipe 8, so that the buffer spring 6 is prevented from being in contact with water flow and being soaked in water for a long time, so that the buffer spring 6 is prevented from being rusted and damaged. The gas in the corrugated pipe 8 can be discharged through the exhaust pipe 9, so that the buffer plate 7 is prevented from extruding the buffer spring 6, and the gas cannot be discharged when the corrugated pipe 8 is contracted.
[0035] With reference to Figure 3 and Figure 4 The end, away from the corrugated pipe 8, of the exhaust pipe 9 is fixedly connected with two support rods 10. The end of the exhaust pipe 9 is sleeved with a waterproof sleeve 11, and the end, away from the exhaust pipe 9, of the support rod 10 is fixedly connected with the inner top end of the waterproof sleeve 11. The waterproof sleeve 11 can prevent rainwater from entering the corrugated pipe 8 through the exhaust pipe 9 and contacting the buffer spring 6.
[0036] With reference to Figure 4 The inner diameter of the waterproof sleeve 11 is greater than the diameter of the exhaust pipe 9, so that the exhaust pipe 9 is prevented from being blocked after the waterproof sleeve 11 is sleeved on the exhaust pipe 9.
[0037] With reference to Figure 3 and Figure 4 The end, away from the corrugated pipe 8, of the exhaust pipe 9 is sleeved with a filter ring 12. The filter ring 12 is fixedly connected with the exhaust pipe 9. The filter ring 12 is located in the waterproof sleeve 11 and the side wall thereof is fixedly connected with the waterproof sleeve 11. The filter ring 12 can prevent dust, insects and the like from entering the corrugated pipe 8 through the gap between the waterproof sleeve 11 and the exhaust pipe 9.
[0038] With reference to Figure 3 The fixed plate 4 is fixedly connected with a fixed block 13 at the top end thereof. The side wall of one side of the fixed block 13 is fixedly connected with a sleeve pipe 14. The sleeve pipe 14 is sleeved on the exhaust pipe 9 and is fixedly connected therewith. The fixed block 13 and the sleeve pipe 14 can fix the exhaust pipe 9 and prevent the exhaust pipe 9 from shaking. The exhaust pipe 9 is connected with the corrugated pipe 8 through a hose, so that the exhaust pipe 9 is prevented from being pulled when the corrugated pipe 8 is stretched or contracted.
[0039] With reference to Figure 2 The gantry 1 is provided with a containing groove 15 below the gate body 3. The bottom end of the gate body 3 is inserted into the containing groove 15. A plurality of damping shock absorbers 16 are fixedly connected in the containing groove 15. When the gate body 3 is closed, the bottom end of the gate body 3 can be inserted into the containing groove 15 and be in contact with the damping shock absorbers 16, so that the impact and vibration of the gate body 3 when it is closed can be reduced, and the service life of the equipment can be prolonged.
[0040] With reference to Figure 1The top end of the portal frame 1 is fixedly connected with a protection box 17, the hydraulic cylinder 2 is located in the protection box 17, a sealing door 18 is hinged to the side wall of the protection box 17, the hydraulic cylinder 2 can be protected through the protection box 17, and rainwater and dust are prevented from contacting the hydraulic cylinder 2; meanwhile, the hydraulic cylinder 2 is convenient to maintain through the sealing door 18.
[0041] The implementation principle of the present application is that: in use, the user first drives the gate body 3 to move through the starting of the hydraulic cylinder 2, so that the water flow contacts the buffer plate 7 through the portal frame 1; when the buffer plate 7 is impacted, the buffer plate 7 can slide through the fixed rod 5, so that the buffer plate 7 extrudes the buffer spring 6, so that the buffer spring 6 reduces the impact degree of the water flow on the buffer plate 7; then the water flow flows out from the four sides of the buffer plate 7, so as to avoid that the water flow impacts the pipeline of the pump station in an instant when the gate is opened, and damage is caused; the buffer spring 6 can be protected through the corrugated pipe 8, so as to prevent the water flow from contacting the buffer spring 6, so that the buffer spring 6 is continuously soaked in water, and the buffer spring 6 is rusted and damaged; meanwhile, the gas in the corrugated pipe 8 can be discharged through the exhaust pipe 9, so as to prevent the buffer plate 7 from extruding the buffer spring 6; when the corrugated pipe 8 is contracted, the gas cannot be discharged, so that the corrugated pipe 8 is damaged; when the portal frame 1 is closed, the bottom end of the gate body 3 is inserted into the containing groove 15, so that the gate body 3 contacts the damping shock absorber 16, the impact and vibration of the gate body 3 when being closed are reduced, and the service life of the equipment is prolonged.
[0042] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A pump station gate lifting water inlet buffer device, comprising a gate frame (1), a hydraulic cylinder (2) is installed at the top end of the gate frame (1), a gate body (3) for closing the gate frame (1) is fixedly connected to the output end of the hydraulic cylinder (2), and a buffer assembly for reducing water flow impact force is arranged on the gate frame (1), characterized in that: The buffer assembly comprises a fixed plate (4) arranged on one side of the portal (1), a plurality of fixed rods (5) fixedly connected between the fixed plate (4) and the portal (1), a plurality of buffer springs (6) fixedly connected to the side wall of the fixed plate (4), a buffer plate (7) fixedly connected to the end of the buffer spring (6) away from the fixed plate (4), and the buffer plate (7) is sleeved on the fixed rod (5) and is arranged in sliding mode.
2. The gate-lifting water-inflow buffering device for a pump station according to claim 1, characterized in that: The buffer spring (6) is sleeved with a bellows (8), and the two ends of the bellows (8) are fixedly connected with the buffer plate (7) and the fixed plate (4), respectively, the bellows (8) are connected in communication through a pipeline, and one side wall of one of the bellows (8) is fixedly connected with an exhaust pipe (9).
3. The gate-lifting water-inflow buffering device for a pump station according to claim 2, characterized in that: The exhaust pipe (9) is fixedly connected with two support rods (10) at the end away from the bellows (8), the exhaust pipe (9) is sleeved with a waterproof sleeve (11) at one end, and the end of the support rod (10) away from the exhaust pipe (9) is fixedly connected with the inner top end of the waterproof sleeve (11).
4. The gate-lifting water-inflow buffering device for a pump station according to claim 3, characterized in that: The inner diameter of the waterproof sleeve (11) is greater than the diameter of the exhaust pipe (9).
5. The gate-lifting water-inlet buffering device of a pump station according to claim 4, characterized in that: The exhaust pipe (9) is sleeved with a filter ring (12) at the end away from the bellows (8), the filter ring (12) is fixedly connected with the exhaust pipe (9), the filter ring (12) is located in the waterproof sleeve (11) and the side wall is fixedly connected with the waterproof sleeve (11).
6. A gate-lifting water-inlet cushioning device for a pump station according to claim 5, characterized in that: The fixed plate (4) is fixedly connected with a fixed block (13) at the top end, the fixed block (13) is fixedly connected with a sleeve pipe (14) on one side wall, the sleeve pipe (14) is sleeved on the exhaust pipe (9) and is fixedly connected.
7. A pump station gate hoist water intake buffer apparatus as claimed in claim 6, wherein: The portal (1) is located below the gate body (3) and is provided with a containing groove (15), the bottom end of the gate body (3) is inserted into the containing groove (15), and a plurality of damping shock absorbers (16) are fixedly connected in the containing groove (15).
8. The gate-lifting water-inlet buffering device of a pump station according to claim 7, characterized in that: The portal (1) is fixedly connected with a protection box (17) at the top end, the hydraulic cylinder (2) is located in the protection box (17), and a sealing door (18) is hinged to the side wall of the protection box (17).