Water gate lifting device for water conservancy project
By introducing protective folding covers and limiting components into the sluice gate lifting device, the problem of screw corrosion was solved, ensuring the normal rotation of the screw and the smooth lifting of the gate.
Patent Information
- Application Number
- CN202520411874.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-11
AI Technical Summary
In existing sluice gate lifting devices, the screw rods corrode due to moisture evaporation, affecting the smooth raising and lowering of the gate.
The design incorporates a protective folding cover over the outside of the screw, along with restraints, to prevent moisture from contacting the screw and thus avoid corrosion.
It effectively prevents screw corrosion, ensures the normal use of the elevator and smooth screw rotation, and guarantees the smooth lifting and lowering of the gate.
Smart Images

Figure CN223853282U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the sluice field, especially in a kind of water conservancy project sluice lifting device. BACKGROUND
[0002] In water conservancy project, water source is transported using water channel, and the control of water source of water channel is carried out by controlling the opening and closing of sluice to limit water flow.
[0003] The vertical movement of gate is driven by screw rod of screw lifting machine in the prior art, and the part of screw rod close to gate will be attached to the outer wall of screw rod due to the evaporation of water in water channel, thereby rusting the screw thread of screw rod over a long period of time, and finally affecting the smooth lifting of gate when screw lifting machine is used. SUMMARY
[0004] The utility model aims at providing a kind of water conservancy project sluice lifting device to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of water conservancy project sluice lifting device, comprising:
[0006] Lifting machine body;
[0007] Screw rod, the screw rod is arranged in the middle part of lifting machine body;
[0008] Gate body, the gate body is arranged at the bottom end of screw rod;
[0009] Protective folding cover, the protective folding cover is arranged outside screw rod, and the protective folding cover is used to avoid rusting of screw rod by water;
[0010] Limiting piece, the limiting piece is arranged at one side of protective folding cover, and the limiting piece is used to guide the movement of protective folding cover.
[0011] Preferably, the screw rod is sleeved in the inside of lifting machine body, and the bottom end of lifting machine body is fixedly connected with gate frame for guiding the movement of gate body.
[0012] Preferably, the top end of protective folding cover is fixedly connected with the bottom end of lifting machine body, the bottom end of protective folding cover is fixedly connected with fixed plate, the top end of fixed plate is provided with round hole, and the inside of round hole is provided with fixing piece for fixedly connecting fixed plate and gate body.
[0013] Preferably, the fixing piece comprises fixing bolt, the top end of gate body is provided with threaded groove, and the fixing bolt is threadedly connected with threaded groove.
[0014] Preferably, the bottom end of the fixed plate is fixedly connected with a sealing ring for sealing the gap between the fixed plate and the door body.
[0015] Preferably, the limiting member comprises:
[0016] A limiting rod, a bottom end of the limiting rod being fixedly connected with a top end of the door body;
[0017] A circular ring, the circular ring being sleeved on an outer wall of the limiting rod;
[0018] A connecting rod, two ends of the connecting rod being fixedly connected with the circular ring and a side opposite to the protective folding cover, respectively.
[0019] Preferably, a bottom of the screw rod is provided with a connecting seat for connecting with the door body.
[0020] The technical effects and advantages of the utility model are as follows:
[0021] The utility model discloses a design of the protective folding cover and the limiting member, the protective folding cover is sleeved on the outer portion of the screw rod near one end of the door body, so that the evaporation moisture of the water channel is blocked by the protective folding cover in the long-term use process, and the contact with the wire tooth of the door body is avoided, thereby preventing the rust of the door body, ensuring that the screw rod can rotate smoothly when the elevator body works, thereby being favorable for the normal use of the lifting device. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;
[0023] Figure 2 It is the front view sectional structure schematic diagram of the utility model;
[0024] Figure 3 It is the utility model Figure 2 A enlarged structure schematic diagram;
[0025] Figure 4 It is the utility model Figure 2 B enlarged structure schematic diagram.
[0026] In the drawing: 1, elevator body; 2, screw rod; 3, protective folding cover; 4, fixed plate; 5, limiting member; 51, limiting rod; 52, circular ring; 53, connecting rod; 6, door body; 7, door frame; 8, connecting seat; 9, fixed bolt; 10, sealing ring. DETAILED DESCRIPTION
[0027] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0028] The utility model provides a water conservancy project water gate lifting device as Figures 1-4 The utility model discloses a water conservancy project water gate lifting device, which comprises:
[0029] Lift body 1;
[0030] Screw rod 2 is arranged in the middle part of the lift body 1;
[0031] Door body 6 is arranged at the bottom end of the screw rod 2;
[0032] Protective folding cover 3 is arranged outside the screw rod 2, and the protective folding cover 3 is used for avoiding rust of the screw rod 2 by water;
[0033] Limiting part 5 is arranged at one side of the protective folding cover 3, and the limiting part 5 is used for guiding movement of the protective folding cover 3.
[0034] The screw rod 2 is sleeved in the inside of the lift body 1, and the bottom end of the lift body 1 is fixedly connected with a door frame 7 used for guiding movement of the door body 6.
[0035] The bottom of the screw rod 2 is provided with a connecting seat 8 used for being connected with the door body 6.
[0036] Further, the lift body 1 and the screw rod 2 constitute an existing screw rod elevator, the bottom of the screw rod 2 is connected with the door body 6 through the connecting seat 8, belongs to the existing connecting technology of the existing water gate, the connecting seat 8 is the combination of a concave-shaped iron block and a bolt, the bolt is simultaneously inserted into the top of the iron block and the bottom of the screw rod 2, forming the fixed connection of the screw rod 2 and the iron block, the side, opposite to the door body 6, of the iron block is fixedly connected through the bolt, so that the door body 6 moves up and down along with the vertical movement of the screw rod 2 by driving the connecting seat 8, the door frame 7 is used for limiting the door body 6 from deviating when moving, and the door body 6 and the door frame 7 are the existing technology in the existing water gate.
[0037] The top end of the protective folding cover 3 is fixedly connected with the bottom end of the lift body 1, the bottom end of the protective folding cover 3 is fixedly connected with a fixed plate 4, the top end of the fixed plate 4 is provided with a round hole, and the inside of the round hole is provided with a fixing part used for fixedly connecting the fixed plate 4 and the door body 6.
[0038] The fixing part comprises a fixed bolt 9, the top end of the door body 6 is provided with a threaded groove, and the fixed bolt 9 is threadedly and insertingly connected with the threaded groove.
[0039] The bottom end of the fixed plate 4 is fixedly connected with a sealing ring 10 for sealing the gap between the fixed plate 4 and the door body 6.
[0040] Further, the protective folding cover 3 is composed of multiple metal rings and water-blocking plastic cloth, and has a structure similar to the existing circular folding fishing cage. The top end of the protective folding cover 3 is adhesively fixed to the bottom end of the lifter body 1, and the bottom end of the protective folding cover 3 is adhesively fixed to the top end of the fixed plate 4. The top end of the fixed plate 4 is provided with a circular groove, and the diameter of the circular groove is 1.1 times the size of the connecting seat 8. The inner diameter of the protective folding cover 3 corresponds to the circular groove. Circular holes are symmetrically provided on both sides of the top end of the fixed plate 4. The threads on the inner wall of the threaded groove are engaged with the threads on the outer wall of the fixing bolt 9. The fixing bolt 9 is inserted into the circular holes and the threaded grooves to fixedly connect the fixed plate 4 and the door body 6. The sealing ring 10 is made of rubber and is adhesively fixed to the bottom end of the fixed plate 4. When the fixed plate 4 and the door body 6 are fixedly connected, the sealing ring 10 is extruded, so that the sealing ring 10 is deformed by extrusion, the gap between the fixed plate 4 and the door body 6 is filled, and the end of the screw rod 2 close to the door body 6 is prevented from being eroded by water for a long time, so that the screw rod 2 is not rusted. This ensures smooth vertical movement of the screw rod 2 during use of the lifter body 1. In addition, the protective folding cover 3 can be arranged on the top end of the lifter body 1 to protect the part of the screw rod 2 exposed from the lifter body 1.
[0041] The limiting member 5 comprises:
[0042] A limiting rod 51, the bottom end of the limiting rod 51 is fixedly connected with the top end of the door body 6;
[0043] A circular ring 52, the circular ring 52 is sleeved on the outer wall of the limiting rod 51;
[0044] A connecting rod 53, the two ends of the connecting rod 53 are fixedly connected with the opposite side of the circular ring 52 and the protective folding cover 3.
[0045] Further, the limiting member 5 is used to prevent the plastic cloth of the protective folding cover 3 from interfering with the threads of the screw rod 2 when the protective folding cover 3 is folded. The bottom end of the limiting rod 51 is fixedly connected with the top end of the door body 6 by welding. Multiple circular rings 52 are provided, and the multiple circular rings 52 are sleeved on the outer wall of the limiting rod 51. The number of connecting rods 53 corresponds to the number of circular rings 52. The two ends of the connecting rod 53 are fixedly connected with the outer wall of the circular ring of the protective folding cover 3 and the circular ring 52 by welding, so that the protective folding cover 3 does not interfere with the screw rod 2 when it is folded.
[0046] It should be explained finally: the above described is only the preferred embodiment of the utility model, and is not used for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiment, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement is carried out to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model screw sleeve 12, and the screw.
Claims
1. A hydraulic engineering water gate lifting device, characterized by, Include: Lift body (1); Screw rod (2), the screw rod (2) is arranged in the middle part of the lift body (1); Door body (6), the door body (6) is arranged at the bottom end of the screw rod (2); Protective folding cover (3), the protective folding cover (3) is arranged outside the screw rod (2), and the protective folding cover (3) is used for avoiding the screw rod (2) being rusted by water; Limiting piece (5), the limiting piece (5) is arranged on one side of the protective folding cover (3), and the limiting piece (5) is used for guiding the movement of the protective folding cover (3).
2. The hydraulic engineering sluice lifting device according to claim 1, characterized in that, The screw rod (2) is sleeved in the inside of the lift body (1), and the bottom end of the lift body (1) is fixedly connected with a door frame (7) for guiding the movement of the door body (6).
3. The hydraulic engineering sluice lifting device according to claim 1, characterized in that, The top end of the protective folding cover (3) is fixedly connected with the bottom end of the lift body (1), the bottom end of the protective folding cover (3) is fixedly connected with a fixed plate (4), the top end of the fixed plate (4) is provided with a circular hole, and the inside of the circular hole is provided with a fixing piece for fixedly connecting the fixed plate (4) and the door body (6).
4. The hydraulic engineering sluice lifting device according to claim 3, characterized in that, The fixing piece includes a fixing bolt (9), the top end of the door body (6) is provided with a threaded groove, and the fixing bolt (9) is threadedly connected with the threaded groove.
5. The hydraulic engineering sluice lifting device according to claim 3, characterized in that, The bottom end of the fixed plate (4) is fixedly connected with a sealing ring (10) for sealing the gap between the fixed plate (4) and the door body (6).
6. The hydraulic engineering sluice lifting device according to claim 1, characterized in that, The limiting piece (5) includes: Limiting rod (51), the bottom end of the limiting rod (51) is fixedly connected with the top end of the door body (6); The circular ring (52) is sleeved on the outer wall of the limiting rod (51); The connecting rod (53) is fixedly connected with the opposite side of the circular ring (52) and the protective folding cover (3) at both ends.
7. The hydraulic engineering sluice lifting device according to claim 1, characterized in that, The bottom of the screw rod (2) is provided with a connecting seat (8) for connecting with the door body (6).