Adjustable gate opening and closing device for hydraulic engineering

Abstract

The utility model relates to the technical field of hoist, and disclose a adjustable gate hoist device for water conservancy projects, including hoist main part and screw rod, the top of hoist main part is firmly connected with the thread ring, the outside of screw rod is equipped with the thread sleeve of thread ring screw connection, the thread sleeve is U type, both sides of thread sleeve all are connected with the movable plate of sliding, both sides of movable plate all are fixed with the clamping block, the thread sleeve is set up the clamping groove of matching with clamping block on. This kind of adjustable gate hoist device for water conservancy projects, in normal use process, the thread sleeve and movable plate will carry out the protection to screw rod, thereby avoid the impurity such as sand, leaf and so on to adhere on screw rod, make the wear and tear process of screw rod surface to accelerate, and then make the water gate can normal operation.

Description

Technical Field

[0001] This utility model relates to the field of gate hoisting technology, specifically to an adjustable gate opening and closing device for water conservancy projects. Background Technology

[0002] In water conservancy projects, the opening and closing of gates relies on opening and closing devices to complete the operations of opening, closing, and adjusting the opening degree. As the core equipment for controlling the gate, this device uses a mechanical or hydraulic system to drive the gate's movement, precisely controlling hydraulic factors such as water flow, water level, and sediment. Currently, screw-type gate hoists are widely used. Their working principle is to use an electric motor (or manual power) to drive the screw to rotate, which in turn drives the nut to move, ultimately achieving the up and down movement of the gate.

[0003] For example, patent CN114438975B discloses a manual screw-type gate opener with adjustable transmission efficiency, including a base, a housing fixed on the base, a cover fixed to the upper end of the housing, a threaded sleeve rotatably disposed inside the housing, a screw threadedly connected to the middle of the threaded sleeve, a rotating ring fixed to the outside of the threaded sleeve, several toothed rings fixed on the rotating ring, an installation cylinder connected to the side end of the housing, a crank mechanism inside the installation cylinder, a meshing mechanism at the front end of the crank mechanism, and a switching mechanism on the cover. This manual screw-type gate opener with adjustable transmission efficiency can adjust the appropriate transmission ratio according to different usage requirements, making the device more convenient to use; it ensures that the turntable will not get stuck between the two toothed rings, preventing the device from jamming; it ensures that the adjusted meshing bearing can mesh with its corresponding toothed ring, preventing tooth breakage, and increasing the smoothness of the device's operation and service life.

[0004] The aforementioned screw-type gate hoist still has certain drawbacks:

[0005] Although the aforementioned screw-type gate hoists can adjust the transmission ratio between the handle and the screw according to different operating environments and personnel, the screw lacks external protective structures. Currently, screw-type gate hoists are mostly used in outdoor sluice gate scenarios. The lubricating oil coated on the screw surface gives it strong adhesion, making it easy for impurities such as sand and leaves to adhere to it. Once these impurities penetrate the meshing surface between the screw and the nut, they accelerate the wear process on the screw surface, causing the mating clearance to gradually increase. Under long-term operation, the screw may deform, and the nut may crack or suffer structural damage, ultimately leading to failure of the opening and closing force and affecting the normal operation of the sluice gate. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides an adjustable gate opening and closing device for water conservancy projects. The screw is protected by a threaded sleeve and a movable plate, making it less likely for impurities to adhere to the screw surface.

[0007] To achieve the above objectives, this utility model provides the following technical solution: an adjustable gate opening and closing device for water conservancy projects, comprising a gate opening and closing machine body and a screw, wherein a threaded ring is fixedly connected to the top of the gate opening and closing machine body, and a threaded sleeve that is threadedly connected to the threaded ring is sleeved on the outside of the screw, the threaded sleeve is U-shaped, and movable plates are slidably connected to both sides of the threaded sleeve, and locking blocks are fixedly connected to both sides of the movable plates, and a locking groove that matches the locking block is opened on the threaded sleeve.

[0008] Furthermore, the top of the threaded sleeve is provided with a rotating groove, a rotating block is rotatably connected inside the rotating groove, and a top plate is fixedly connected to the top of the rotating block.

[0009] Furthermore, side plates are fixed to both ends of the top plate, and the side plates are matched with the movable plate.

[0010] Furthermore, a positioning block is fixedly connected to the lower end of the side plate, a storage groove matching the positioning block is opened in the middle position of the threaded sleeve, and a positioning groove matching the positioning block is opened in the middle position of the movable plate.

[0011] Furthermore, a magnetic block is fixed to the inner side of the positioning block.

[0012] Furthermore, the end of the positioning block is trapezoidal.

[0013] Furthermore, a gripping block is fixed to the side of the side plate away from the screw.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] In this type of adjustable gate opening and closing device used in water conservancy projects, the threaded sleeve and movable plate protect the screw rod during normal use, thereby preventing impurities such as sand and leaves from adhering to the screw rod and accelerating the wear process on the screw rod surface, thus enabling the sluice gate to operate normally. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a partial sectional view of the entire utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the threaded sleeve and movable plate of this utility model when unfolded;

[0019] Figure 4 This is a structural schematic diagram of the threaded sleeve and movable plate of this utility model when viewed from below.

[0020] In the diagram: 1. Gate hoist body; 2. Screw; 3. Threaded ring; 4. Threaded sleeve; 5. Slot; 6. Rotating slot; 7. Storage slot; 8. Movable plate; 9. Locking block; 10. Positioning slot; 11. Rotating block; 12. Top plate; 13. Side plate; 14. Gripping block; 15. Positioning block; 16. Magnetic block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Please see Figure 1-4 An adjustable gate opening and closing device for water conservancy projects includes a gate opening and closing machine body 1 and a screw 2. A threaded ring 3 is fixedly connected to the top of the gate opening and closing machine body 1. A threaded sleeve 4, which is threadedly connected to the threaded ring 3, is sleeved on the outside of the screw 2. The threaded sleeve 4 is U-shaped. Movable plates 8 are slidably connected to both sides of the threaded sleeve 4. Locking blocks 9 are fixedly connected to both sides of the movable plates 8. The threaded sleeve 4 has a locking groove 5 that matches the locking blocks 9.

[0023] In this utility model, the adjustable gate opening and closing device for water conservancy projects protects the screw rod 2 during normal use through the threaded sleeve 4 and the movable plate 8. This prevents impurities such as sand and leaves from adhering to the screw rod 2, thus avoiding accelerated wear and increased clearance on its surface and ensuring the normal operation of the sluice gate. Furthermore, when disassembling the threaded sleeve 4, simply push the movable plate 8 upwards until the top of the locking block 9 abuts against the top of the locking groove 5, and then move the movable plate 8 away from the threaded sleeve 4. The movable plate 8 is disengaged from the threaded sleeve 4, and then the threaded sleeve 4 is rotated to disengage from the threaded ring 3. Since the threaded sleeve 4 is U-shaped, it is not necessary to pull the threaded sleeve 4 out from the upper end of the screw 2. The threaded sleeve 4 can be directly removed from one side of the screw 2. In addition, the structure of the gate hoist body 1 in this utility model is similar to the prior art, which discloses a manual screw gate hoist structure with adjustable transmission efficiency in the patent authorized announcement number CN114438975B. Therefore, it will not be described in detail here.

[0024] like Figures 1 to 4 As shown, the top of the threaded sleeve 4 is provided with a rotating groove 6, and a rotating block 11 is rotatably connected inside the rotating groove 6. A top plate 12 is fixedly connected to the top of the rotating block 11.

[0025] Specifically, when the hoist body 1 is working normally, the top plate 12 can rotate to overlap with the movable plate 8, thereby restricting the movable plate 8 and preventing it from moving upward and causing it to detach from the threaded sleeve 4.

[0026] like Figure 1 , Figure 3 and Figure 4 As shown, both ends of the top plate 12 are fixedly connected to side plates 13, and the side plates 13 are matched with the movable plate 8.

[0027] Specifically, the movable plate 8 is restricted by the side plate 13, which provides a better restriction effect.

[0028] like Figure 3 and Figure 4 As shown, a positioning block 15 is fixedly connected to the lower end of the side plate 13, a storage groove 7 matching the positioning block 15 is opened in the middle position of the threaded sleeve 4, and a positioning groove 10 matching the positioning block 15 is opened in the middle position of the movable plate 8.

[0029] Specifically, during the process of rotating the top plate 12 to make the top plate 12 and the movable plate 8 overlap, the positioning block 15 will be inserted into the positioning groove 10, making the connection between the movable plate 8 and the threaded sleeve 4 more stable.

[0030] like Figure 4 As shown, a magnetic block 16 is fixed to the inner side of the positioning block 15. The positioning block 15 will be attracted to the movable plate 8 by the magnetic block 16, thereby improving the fixing effect.

[0031] like Figure 4 As shown, the end of the positioning block 15 is trapezoidal. The trapezoidal positioning block 15 has a better restraining and fixing effect.

[0032] like Figure 3 and Figure 4 As shown, a gripping block 14 is fixed to the side of the side plate 13 away from the screw 2.

[0033] Specifically, moving the side plate 13 by gripping the block 14 is more effortless and convenient.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. An adjustable gate opening and closing device for water conservancy projects, comprising a gate opening and closing machine body (1) and a screw (2), characterized in that, The top of the hoist body (1) is fixedly connected to a threaded ring (3), and the outside of the screw (2) is fitted with a threaded sleeve (4) that is threadedly connected to the threaded ring (3). The threaded sleeve (4) is U-shaped, and movable plates (8) are slidably connected to both sides of the threaded sleeve (4). A locking block (9) is fixedly connected to both sides of the movable plate (8). A locking groove (5) matching the locking block (9) is opened on the threaded sleeve (4).

2. The adjustable gate opening and closing device for water conservancy projects according to claim 1, characterized in that, The top of the threaded sleeve (4) is provided with a rotating groove (6), and a rotating block (11) is rotatably connected inside the rotating groove (6). A top plate (12) is fixedly connected to the top of the rotating block (11).

3. The adjustable gate opening and closing device for water conservancy projects according to claim 2, characterized in that, Both ends of the top plate (12) are fixedly connected to side plates (13), which are matched with the movable plate (8).

4. The adjustable gate opening and closing device for water conservancy projects according to claim 3, characterized in that, The lower end of the side plate (13) is fixedly connected to a positioning block (15), the middle position of the threaded sleeve (4) is provided with a storage groove (7) that matches the positioning block (15), and the middle position of the movable plate (8) is provided with a positioning groove (10) that matches the positioning block (15).

5. The adjustable gate opening and closing device for water conservancy projects according to claim 4, characterized in that, A magnetic block (16) is fixed to the inner side of the positioning block (15).

6. The adjustable gate opening and closing device for water conservancy projects according to claim 4, characterized in that, The end of the positioning block (15) is trapezoidal.

7. The adjustable gate opening and closing device for water conservancy projects according to claim 3, characterized in that, A gripping block (14) is fixed to the side of the side plate (13) away from the screw (2).

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