Electric screw hoist

Abstract

The utility model discloses an electric screw hoist which comprises a driving box, a base is fixedly installed at the bottom of the driving box, the base is fixed to the surface of a bearing platform in a threaded connection mode, meanwhile, a driving motor is fixed to the surface of the outer side wall of the driving box in a threaded connection mode, a threaded connection rod is inserted into the driving box in a penetrating mode, and the bottom of the threaded connection rod is fixed to a connecting base in a welded mode. A mounting piece is mounted in the connecting base, meanwhile, the connecting base and the mounting piece are movably connected through a pin shaft, an opening and closing valve plate is fixedly welded to the bottom of the mounting piece, and the opening and closing valve plate is mounted in the valve frame. According to the electric screw hoist, the sealing groove matched with the opening and closing valve plate in size is formed in the valve frame, so that when the outer side of the valve plate is impacted by water flow, supporting work is conducted through the side wall of the sealing groove, meanwhile, the #-shaped reinforcing ribs are arranged on the outer side of the valve plate, and the strength of the valve plate can be reinforced; and deformation during stress is avoided.

Description

Technical Field

[0001] The utility model relates to the field of gate hoists, in particular to an electric screw-type gate hoist. Background Art

[0002] The gate is a control facility used to close and open the discharge (release) channel. It is an important part of hydraulic structures and can be used to intercept water flow, control water level, regulate flow, discharge sediment and floating objects, etc.

[0003] The opening and closing of the gate usually requires an opening and closing device. At present, the opening and closing device is mainly installed by installing a screw-type gate opener, which drives the screw up and down through the screw-type gate opener to realize the opening and closing of the gate. At present, the screw-type gate opener is usually manual and electric. In the event of power outages, damage to the electric opening and closing device, a manual opening and closing device is required. The current manual mode of the screw-type gate opener mainly relies on extending the transmission shaft of the screw-type gate opener, and the operation of the screw-type gate opener is realized by hand cranking;

[0004] The valve plate on the screw-type gate hoist is clamped inside the valve frame fixed in the river channel. When it is impacted by water flow for a long time, it is easy to deform, which reduces the use effect of the screw-type gate hoist. Utility Model Content

[0005] The purpose of the utility model is to provide an electric screw-type door opener to solve the defects mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, an electric screw-type gate opening and closing machine is provided, including a drive box, a base is fixedly installed at the bottom of the drive box, and the base is screwed and fixed to the surface of the pedestal, and the outer wall surface of the drive box is screwed and fixed to the drive motor, and a screw rod is inserted into the interior of the drive box, and the bottom of the screw rod is welded and fixed to the connecting seat, and a mounting plate is installed inside the connecting seat, and the connecting seat and the mounting plate are movably connected by a pin shaft, and an opening and closing valve plate is welded and fixed to the bottom of the mounting plate, and the opening and closing valve plate is installed inside the valve frame, and a fixing plate is welded to the outside of the valve frame, and a through hole is opened inside the fixing plate.

[0007] Preferably, a receiving hole matching the size of the screw rod is provided at the bottom of the driving box, and the screw rod is inserted into the receiving hole, and the screw rod is vertically raised and lowered inside the driving box.

[0008] Preferably, a threaded sleeve is movably mounted inside the drive box through a bearing seat, and the threaded sleeve is adapted to the size of the threaded rod, while the threaded rod is threaded inside the threaded sleeve, and a worm gear is mounted outside the threaded sleeve.

[0009] Preferably, a worm is installed on the outer side of the worm wheel, and the size of the worm is matched with that of the worm wheel. The worm is meshed with the worm wheel, and the end of the worm is fixed to the output shaft of the driving motor.

[0010] Preferably, the valve frame is a "U"-shaped structure made of metal material, and a sealing groove is opened inside the valve frame. At the same time, the sealing groove is adapted to the size of the opening and closing valve plate, and the opening and closing valve plate is movably inserted into the sealing groove.

[0011] Preferably, the opening and closing valve plate is a circular structure made of stainless steel, and reinforcing ribs are fixedly provided on both side surfaces of the opening and closing valve plate, and the reinforcing ribs are arranged in a "well" shape.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The output shaft of the driving motor drives the worm to rotate, and the worm drives the screw rod to move up and down through the worm gear, so that the opening and closing valve plate moves up and down inside the valve frame to complete the opening and closing of the river channel;

[0014] A sealing groove matched with the size of the opening and closing valve plate is opened inside the valve frame, so that the outer side of the valve plate can be supported by the side wall of the sealing groove when impacted by water flow. At the same time, "well"-shaped reinforcing ribs are arranged on the outer side of the valve plate to reinforce the strength of the valve plate and avoid deformation when subjected to force. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;

[0016] Figure 2 The utility model structure Figure 1 Schematic diagram of the internal structure;

[0017] Figure 3 This is a schematic diagram of the internal structure of the drive box of the utility model;

[0018] Figure 4 The utility model structure Figure 3 Top view of the .

[0019] Numbers in the figure: 1. Drive box; 2. Drive motor; 21. Worm; 3. Base; 4. Screw rod; 5. Screw sleeve; 6. Worm gear; 7. Connecting seat; 8. Mounting plate; 9. Opening and closing valve plate; 10. Reinforcing rib; 11. Perforation; 12. Accommodating hole; 13. Valve frame; 14. Sealing groove; 15. Fixing plate; 16. Base. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides an electric screw-type gate opening and closing machine, including a driving box 1, a base 3 is fixedly installed at the bottom of the driving box 1, and the base 3 is screwed and fixed to the surface of the base 16, and the outer wall surface of the driving box 1 is screwed and fixed to the driving motor 2, and the inside of the driving box 1 is inserted with a screw rod 4, the bottom of the screw rod 4 is welded and fixed to the connecting seat 7, and a mounting plate 8 is installed inside the connecting seat 7, and the connecting seat 7 and the mounting plate 8 are movably connected through a pin shaft, and an opening and closing valve plate 9 is welded and fixed to the bottom of the mounting plate 8, the opening and closing valve plate 9 is installed inside the valve frame 13, and a fixing plate 15 is welded to the outside of the valve frame 13, and a through hole 11 is opened inside the fixing plate 15.

[0022] Working principle: When in use, start the external switch of the drive motor 2, the output shaft of the drive motor 2 drives the worm 21 to rotate, and the worm 21 drives the screw rod 4 to move up and down through the worm gear 6, so that the opening and closing valve plate 9 is lifted and lowered inside the valve frame 13 to complete the opening and closing of the river channel.

[0023] As a preferred embodiment, a receiving hole 12 matching the size of the screw rod 4 is opened at the bottom of the driving box 1, and the screw rod 4 is inserted into the receiving hole 12, and the screw rod 4 is vertically raised and lowered inside the driving box 1.

[0024] The screw rod 4 is screwed inside the screw sleeve 5, and the screw sleeve 5 is limited by two sets of bearing seats, so that the screw rod 4 will not tilt when it is lifted or lowered under force.

[0025] As a preferred embodiment, a threaded sleeve 5 is movably installed inside the drive box 1 through a bearing seat, and the threaded sleeve 5 is adapted to the size of the threaded rod 4. At the same time, the threaded rod 4 is threaded inside the threaded sleeve 5, and a worm gear 6 is installed on the outside of the threaded sleeve 5.

[0026] A sealing groove 14 matching the size of the opening and closing valve plate 9 is provided inside the valve frame 13, so that when the outer side of the valve plate 9 is impacted by the water flow, it is supported by the side wall of the sealing groove 14. At the same time, a "well"-shaped reinforcing rib 10 is provided on the outer side of the valve plate 9 to reinforce the strength of the valve plate 9 and avoid deformation when subjected to force.

[0027] As a preferred embodiment, a worm 21 is installed on the outer side of the worm wheel 6 , and the size of the worm 21 matches that of the worm wheel 6 . The worm 21 is meshed with the worm wheel 6 , and the end of the worm 21 is fixed to the output shaft of the drive motor 2 .

[0028] The valve frame 13 is a "U"-shaped structure made of metal material, and a sealing groove 14 is opened inside the valve frame 13 . The sealing groove 14 is adapted to the size of the opening and closing valve plate 9 , and the opening and closing valve plate 9 is movably inserted into the sealing groove 14 .

[0029] The worm 21 is meshedly connected with the worm wheel 6, and there is a self-locking property between the worm 21 and the worm wheel 6, which can ensure the stability of the opening and closing valve plate 9 when it is stationary and will not loosen.

[0030] The opening and closing valve plate 9 is a circular structure made of stainless steel, and reinforcing ribs 10 are fixedly arranged on both side surfaces of the opening and closing valve plate 9, and the reinforcing ribs 10 are arranged in a "well" shape.

[0031] 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. An electric screw hoist, comprising a drive box (1), characterized in that: The bottom of the drive box (1) is fixedly mounted with a base (3), and the base (3) is screwed and fixed to the surface of the support platform (16). At the same time, the outer wall surface of the drive box (1) is screwed and fixed to the drive motor (2), and a screw rod (4) is inserted into the interior of the drive box (1). The bottom of the screw rod (4) is welded and fixed to the connecting seat (7), and a mounting plate (8) is installed inside the connecting seat (7). At the same time, the connecting seat (7) and the mounting plate (8) are movably connected through a pin shaft, and an opening and closing valve plate (9) is welded and fixed to the bottom of the mounting plate (8), and the opening and closing valve plate (9) is installed inside the valve frame (13). A fixing plate (15) is welded to the outside of the valve frame (13), and a through hole (11) is opened inside the fixing plate (15).

2. The electric screw hoist according to claim 1, characterized in that: The bottom of the driving box (1) is provided with a receiving hole (12) that matches the size of the screw rod (4), and the screw rod (4) is inserted into the receiving hole (12), and the screw rod (4) is vertically lifted and lowered inside the driving box (1).

3. The electric screw hoist according to claim 1, characterized in that: A threaded sleeve (5) is movably mounted inside the drive box (1) via a bearing seat, and the threaded sleeve (5) is matched to the size of the threaded rod (4). The threaded rod (4) is threaded inside the threaded sleeve (5), and a worm gear (6) is mounted outside the threaded sleeve (5).

4. The electric screw hoist according to claim 3, characterized in that: A worm (21) is mounted on the outer side of the worm wheel (6), and the size of the worm (21) matches that of the worm wheel (6). The worm (21) is meshedly connected to the worm wheel (6), and the end of the worm (21) is fixed to the output shaft of the drive motor (2).

5. The electric screw hoist according to claim 1, characterized in that: The valve frame (13) is a "U"-shaped structure made of metal material, and a sealing groove (14) is provided inside the valve frame (13). The sealing groove (14) is matched to the size of the opening and closing valve plate (9), and the opening and closing valve plate (9) is movably inserted into the sealing groove (14).

6. The electric screw hoist according to claim 1, characterized in that: The opening and closing valve plate (9) is a circular structure made of stainless steel, and reinforcing ribs (10) are fixedly arranged on both side surfaces of the opening and closing valve plate (9), and the reinforcing ribs (10) are arranged in a "well" shape.

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