Hydraulic hoist for lifting type gate

Abstract

The utility model relates to the technical field of hoists, and discloses a hydraulic hoist for a lifting gate, which comprises a dam body, a gate structure, a lifting structure and a cleaning structure are mounted on the dam body, and the lifting structure is connected with the gate structure. The first motor controls the threaded block to move through the lead screw, the threaded block drives the scraper to move through the second rotating shaft, the second motor drives the scraper to rotate through the second rotating shaft, and the scraper makes contact with the gate, so that the flexibility of the scraper is improved, dirt and sundries attached to the surface of the gate can be more efficiently removed, cleaning is conducted in multiple directions, and therefore cleaning dead corners are avoided; the device is simple in structure and suitable for treating different types of dirt (such as silt accumulation or weeds), the contact force of the scraper blade to the gate can be controlled within a reasonable range, damage to the surface of the gate is avoided, the risk and workload of manual operation are reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technology field of hoist, especially relates to a hydraulic hoist for lifting gate. BACKGROUND

[0002] Lifting gate is widely used in water conservancy, drainage and flood control fields, and is used for controlling water flow or preventing water body from flowing backward. In these applications, the opening and closing of the gate need to be realized by reliable mechanical or hydraulic devices. The hydraulic hoist gradually becomes the mainstream choice for the opening and closing of lifting gate because it can provide strong and stable driving force.

[0003] The applicant found that a hydraulic hoist for lifting gate has been disclosed in Chinese patent with publication (announcement) number CN218373703U. In this patent, the hydraulic cylinder is connected to the gate through a connecting member, a mounting rack and a damping assembly. A movable pulley is arranged in the connecting member. The load of the hydraulic cylinder is reduced by using the principle of labor saving of the movable pulley. However, in this device, a large amount of debris and dirt will stick to the underwater part of the gate after long-term use, which will affect the smoothness of the opening and closing process, the normal operation of the system, and even cause the equipment to be stuck or damaged, thereby affecting the lifting efficiency of the gate. Manual cleaning is required, which increases the workload and cost of manual maintenance. Therefore, we propose a hydraulic hoist for lifting gate. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a hydraulic hoist for lifting gate to solve the problem that a large amount of debris and dirt will stick to the underwater part of the gate after long-term use, which will affect the smoothness of the opening and closing process, the normal operation of the system, and even cause the equipment to be stuck or damaged, thereby affecting the lifting efficiency of the gate. Manual cleaning is required, which increases the workload and cost of manual maintenance.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a hydraulic hoist for lifting gate, comprising a dam body, a gate structure, a lifting structure and a cleaning structure are installed on the dam body, the lifting structure is connected with the gate structure, the cleaning structure comprises a mounting slot, a third sliding groove and a first motor, a sliding rail is fixedly installed on the inner wall of the third sliding groove, the first motor is installed through a screw rod and a threaded block, the threaded block is in sliding connection with the mounting slot, a sliding block is slidingly installed on the sliding rail in the third sliding groove, the sliding block is installed through a second motor and a second rotating shaft, the second rotating shaft is in rotational connection with the threaded block, and a scraper is fixedly installed on the second rotating shaft.

[0006] As a preferred scheme, the gate structure comprises a first sliding groove, a gate and a first rack, the first sliding groove is arranged at the middle of the two ends of the dam body, the gate is slidingly arranged in the first sliding groove, and the first rack is fixedly arranged at the two ends of the gate and slidingly connected with the first sliding groove.

[0007] As a preferred scheme, the lifting structure comprises a second sliding groove and a hydraulic oil cylinder, the second sliding groove is arranged at the two sides of the top end of the dam body, the hydraulic oil cylinder is fixedly arranged at the top end of the dam body, the telescopic rod of the hydraulic oil cylinder is fixedly connected with a connecting rod, the second rack is slidingly arranged in the second sliding groove, and one end of the second rack is fixedly connected with the connecting rod.

[0008] As a preferred scheme, the top end of the dam body is fixedly arranged with a bearing seat, the first rotating shaft is rotatably arranged between the bearing seats, the first rotating shaft is fixedly arranged with a first gear at the two ends, the first gear is meshed with the second rack, and the first rotating shaft is fixedly arranged with a second gear at the middle position, and the second gear is meshed with the first rack.

[0009] As a preferred scheme, the mounting groove and the third sliding groove are arranged at the two sides of the dam body and the two sides of the first sliding groove respectively, the lead screw is rotatably arranged in the mounting groove, the first motor is fixedly arranged at the top end of the dam body, the motor shaft of the first motor is fixedly connected with the top end of the lead screw, the threaded block is threadedly arranged on the lead screw, and the threaded block is slidingly connected with the mounting groove.

[0010] As a preferred scheme, the second rotating shaft is rotatably arranged between the sliding block and the threaded block, the second motor is fixedly arranged at the other end of the sliding block, and the motor shaft of the second motor is fixedly connected with the second rotating shaft.

[0011] The technical effects and advantages of the utility model are as follows:

[0012] 1. In the cleaning structure, the first motor controls the movement of the threaded block through the lead screw, the threaded block drives the scraper to move through the second rotating shaft, the second motor drives the scraper to rotate through the second rotating shaft, the scraper contacts the gate, increases the flexibility of the scraper, can more efficiently remove dirt and debris attached to the surface of the gate, and cleans in multiple directions, thereby avoiding cleaning dead angles, suitable for treating different types of dirt (such as mud accumulation or weeds), the contact force of the scraper on the gate can be controlled within a reasonable range, avoiding damage to the surface of the gate, reducing the risk and workload of manual operation, and improving work efficiency.

[0013] 2、The hydraulic oil cylinder is arranged, the first gear is driven to rotate through the second rack, the second gear is driven to rotate through the first rotating shaft, the gate is lifted through the first rack, the lifting speed of the gate is controlled accurately, the fast or uneven movement is avoided, the stable operation of the system is ensured, each component in the system can share the load evenly, the abrasion of single component is reduced, the overall life is improved, the equipment failure caused by the slipping or damage of the first gear and the second gear is avoided, and longer reliability is provided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a dam body sectional view schematic view of the utility model;

[0016] Figure 3 It is a gate schematic view of the utility model;

[0017] Figure 4 It is a lifting structure schematic view of the utility model;

[0018] Figure 5 It is a cleaning structure schematic view of the utility model.

[0019] In the drawing: 1, dam body; 2, gate structure; 21, first sliding groove; 22, gate; 23, first rack; 3, lifting structure; 31, second sliding groove; 32, hydraulic oil cylinder; 33, connecting rod; 34, second rack; 35, bearing seat; 36, first rotating shaft; 37, first gear; 38, second gear; 4, cleaning structure; 41, mounting groove; 42, third sliding groove; 43, screw rod; 44, first motor; 45, threaded block; 46, sliding block; 47, second rotating shaft; 48, scraper; 49, second motor. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely in connection with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Embodiment one:

[0022] Please refer to the drawings of the utility model Figure 1 - the drawings of the utility model Figure 4The utility model provides a hydraulic hoist for lifting gate, including dam body 1, dam body 1 is installed gate structure 2, lifting structure 3 and cleaning structure 4, lifting structure 3 is connected with gate structure 2, gate structure 2 includes first chute 21, gate 22 and first rack 23, first chute 21 is set up in the middle position of both ends of dam body 1, gate 22 is slidably installed in first chute 21, and first rack 23 is fixedly installed in both ends of gate 22, and the side wall of first rack 23 is slidably connected with first chute 21, lifting structure 3 includes second chute 31 and hydraulic oil cylinder 32, second chute 31 is set up in the top end of both sides of dam body 1, and hydraulic oil cylinder 32 is fixedly installed in the top end of dam body 1, and the telescopic rod end of hydraulic oil cylinder 32 is fixedly installed connecting rod 33, second rack 34 is slidably installed in second chute 31, and second rack 34 one end is fixedly connected with connecting rod 33, and the top end of dam body 1 is fixedly installed bearing seat 35, and first rotating shaft 36 is rotatably installed between bearing seat 35, and first rotating shaft 36 both ends are fixedly installed first gear 37, and first gear 37 is meshed with second rack 34, and second gear 38 is fixedly installed in the middle position of first rotating shaft 36, and second gear 38 is meshed with first rack 23.

[0023] Specifically, hydraulic oil cylinder 32 drives first gear 37 to rotate through second rack 34, in turn drives second gear 38, controls gate 22 to lift, the system precisely controls lifting speed, ensures smooth operation, avoids too fast or uneven movement, and first gear 37 and second gear 38 transmission make load evenly distributed, reduce wear and tear, improve system reliability and service life, avoid skidding or damage to cause equipment failure.

[0024] Example two:

[0025] Please refer to the attached Figure 1 、 Figure 2 and attached Figure 5 , cleaning structure 4 includes installation groove 41 and third chute 42, and installation groove 41 and third chute 42 are set up in both sides of dam body 1 respectively, and are in both sides of first chute 21, the inner wall of third chute 42 is fixedly installed slide rail, the inside rotation of installation groove 41 is installed screw rod 43, the top end of dam body 1 is fixedly installed first motor 44, and the motor shaft of first motor 44 is fixedly connected with the top end of screw rod 43, and screw rod 43 is screwedly installed threaded block 45, and threaded block 45 is slidably connected with installation groove 41, and the slide rail in third chute 42 is slidably installed sliding block 46, and second rotating shaft 47 is rotatably installed between sliding block 46 and threaded block 45, and scraper 48 is fixedly installed on second rotating shaft 47, and the other end of sliding block 46 is fixedly installed second motor 49, and the motor shaft of second motor 49 is fixedly connected with second rotating shaft 47.

[0026] Specifically, the cleaning structure 4 controls the threaded block 45 to move through the first motor 44 controlling the lead screw 43, the threaded block 45 drives the scraper 48 to clean the surface of the gate 22 in multiple directions, the second motor 49 rotates the scraper 48, improves the cleaning efficiency, is suitable for dirt such as silt or weeds, the contact force of the scraper 48 with the gate 22 is controllable, avoids surface damage, reduces manual operation, reduces risks, and improves work efficiency.

[0027] The utility model discloses a hydraulic hoist for lifting gate, starts hydraulic oil cylinder 32, and the telescopic rod of hydraulic oil cylinder 32 drives second rack 34 to move through connecting rod 33, because the meshing relationship of second rack 34 and first gear 37, so second rack 34 drives first gear 37 to rotate, and first gear 37 drives second gear 38 to rotate through first rotating shaft 36, because the meshing relationship of second gear 38 and first rack 23, so second gear 38 drives first rack 23 to move, and first rack 23 drives gate 22 to move in dam body 1, thereby opening gate 22, when gate 22 rises, starts second motor 49, and the motor shaft of second motor 49 drives second rotating shaft 47 to rotate, and second rotating shaft 47 drives scraper 48 to rotate, and scraper 48 contacts the surface of gate 22, and the sundries adhered to gate 22 in water are scraped through scraper 48, when only relying on gate 22 to rise realizes the surface cleaning of gate 22, and the cleaning of scraper 48 is limited, and first motor 44 is started at the time, and the motor shaft of first motor 44 drives lead screw 43 to rotate, and lead screw 43 drives threaded block 45 to slide in mounting groove 41, and threaded block 45 drives sliding block 46 through second rotating shaft 47, thereby realizing the lifting of scraper 48, and the lifting of scraper 48 is cleaned to gate 22.

[0028] Finally, it should be noted that: the above only for preferred embodiment of the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A hydraulic hoist for a lifting gate, comprising a dam body (1), characterized in that: The dam body (1) is equipped with a gate structure (2), a lifting structure (3) and a cleaning structure (4). The lifting structure (3) is connected to the gate structure (2). The cleaning structure (4) includes an installation groove (41), a third slide groove (42) and a first motor (44). A slide rail is fixedly installed on the inner wall of the third slide groove (42). The first motor (44) is equipped with a threaded block (45) through a lead screw (43). The threaded block (45) is slidably connected to the installation groove (41). A slider (46) is slidably installed on the slide rail in the third slide groove (42). The slider (46) is equipped with a second rotating shaft (47) through a second motor (49). The second rotating shaft (47) is rotatably connected to the threaded block (45). A scraper (48) is fixedly installed on the second rotating shaft (47).

2. The hydraulic gate opener according to claim 1, characterized in that: The gate structure (2) includes a first slide groove (21), a gate (22) and a first rack (23). The first slide groove (21) is located at the middle position of both ends of the dam body (1). The gate (22) is slidably installed inside the first slide groove (21). The first rack (23) is fixedly installed at both ends of the gate (22), and the side wall of the first rack (23) is slidably connected to the first slide groove (21).

3. The hydraulic gate opener / closer according to claim 2, characterized in that: The lifting structure (3) includes a second slide groove (31) and a hydraulic cylinder (32). The second slide groove (31) is opened on both sides of the top of the dam body (1). The hydraulic cylinder (32) is fixedly installed on the top of the dam body (1). A connecting rod (33) is fixedly installed at the end of the telescopic rod of the hydraulic cylinder (32). A second rack (34) is slidably installed in the second slide groove (31). One end of the second rack (34) is fixedly connected to the connecting rod (33).

4. The hydraulic gate opener / closer according to claim 3, characterized in that: A bearing seat (35) is fixedly installed at the top of the dam body (1). A first rotating shaft (36) is rotatably installed between the bearing seats (35). A first gear (37) is fixedly installed at both ends of the first rotating shaft (36). The first gear (37) meshes with the second rack (34). A second gear (38) is fixedly installed at the middle position of the first rotating shaft (36). The second gear (38) meshes with the first rack (23).

5. The hydraulic gate opener for a lifting gate according to claim 1, characterized in that: The mounting groove (41) and the third sliding groove (42) are respectively opened on both sides of the dam body (1), and on both sides of the first sliding groove (21), the lead screw (43) is rotatably installed inside the mounting groove (41), the first motor (44) is fixedly installed at the top of the dam body (1), the motor shaft of the first motor (44) is fixedly connected to the top of the lead screw (43), the threaded block (45) is threaded on the lead screw (43), and the threaded block (45) is slidably connected to the mounting groove (41).

6. The hydraulic gate opener according to claim 5, characterized in that: The second rotating shaft (47) is rotatably mounted between the slider (46) and the threaded block (45), and the second motor (49) is fixedly mounted on the other end of the slider (46). The motor shaft of the second motor (49) is fixedly connected to the second rotating shaft (47).

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